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WHITE MOUNTAINS REPORTS SECOND QUARTER RESULTS

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White Mountains Insurance Group (NYSE: WTM) reported strong Q2 2025 results with a 3% increase in book value per share to $1,804. The company posted comprehensive income of $124 million for Q2 2025, compared to a loss of $55 million in Q2 2024.

Key highlights include Ark's 85% combined ratio and $815 million in gross written premiums (up 17% YoY), HG Global's record Q2 with $19 million in gross written premiums, and MediaAlpha's 19% share price increase. The investment portfolio, excluding MediaAlpha, grew by 2.3%. The company announced strategic acquisitions of Distinguished Programs and completed the BroadStreet Partners transaction, leaving approximately $300 million in undeployed capital.

White Mountains Insurance Group (NYSE: WTM) ha riportato risultati solidi per il secondo trimestre 2025 con un aumento del 3% del valore contabile per azione, raggiungendo $1.804. La società ha registrato un reddito complessivo di $124 milioni nel Q2 2025, rispetto a una perdita di $55 milioni nel Q2 2024.

I punti salienti includono il rapporto combinato dell'85% di Ark e $815 milioni di premi lordi sottoscritti (in crescita del 17% su base annua), il record di HG Global nel Q2 con $19 milioni di premi lordi sottoscritti e l'incremento del 19% del prezzo delle azioni di MediaAlpha. Il portafoglio investimenti, esclusa MediaAlpha, è cresciuto del 2,3%. La società ha annunciato acquisizioni strategiche di Distinguished Programs e ha completato la transazione con BroadStreet Partners, mantenendo circa $300 milioni di capitale non impiegato.

White Mountains Insurance Group (NYSE: WTM) reportó sólidos resultados en el segundo trimestre de 2025 con un aumento del 3% en el valor contable por acción hasta $1,804. La compañía registró un ingreso integral de $124 millones en el Q2 2025, en comparación con una pérdida de $55 millones en el Q2 2024.

Los aspectos clave incluyen el índice combinado del 85% de Ark y $815 millones en primas brutas emitidas (un aumento del 17% interanual), el récord del Q2 de HG Global con $19 millones en primas brutas emitidas, y el aumento del 19% en el precio de las acciones de MediaAlpha. La cartera de inversiones, excluyendo MediaAlpha, creció un 2,3%. La compañía anunció adquisiciones estratégicas de Distinguished Programs y completó la transacción con BroadStreet Partners, dejando aproximadamente $300 millones en capital no desplegado.

White Mountains Insurance Group (NYSE: WTM)� 2025� 2분기� 주당 장부가치가 3% 증가하여 $1,804� 기록하며 강력� 실적� 발표했습니다. 회사� 2025� 2분기� 1� 2,400� 달러� 포괄손익� 기록했으�, 이는 2024� 2분기 5,500� 달러 손실� 비교됩니�.

주요 내용으로� Ark� 85% 결합비율8� 1,500� 달러� � 보험�(전년 대� 17% 증가), HG Global� 2분기 신기록인 1,900� 달러 � 보험�, MediaAlpha� 주가 19% 상승� 포함됩니�. MediaAlpha� 제외� 투자 포트폴리오는 2.3% 성장했습니다. 회사� Distinguished Programs� 전략� 인수� 발표하고 BroadStreet Partners 거래� 완료했으�, � 3� 달러� 미투� 자본� 보유하고 있습니다.

White Mountains Insurance Group (NYSE : WTM) a publié de solides résultats pour le deuxième trimestre 2025 avec une augmentation de 3 % de la valeur comptable par action, atteignant 1 804 $. La société a enregistré un résultat global de 124 millions de dollars au T2 2025, contre une perte de 55 millions de dollars au T2 2024.

Les points clés incluent le ratio combiné de 85 % d’Ark et 815 millions de dollars de primes brutes émises (en hausse de 17 % en glissement annuel), le record du T2 de HG Global avec 19 millions de dollars de primes brutes émises, ainsi que la hausse de 19 % du cours de l’action de MediaAlpha. Le portefeuille d’investissements, hors MediaAlpha, a progressé de 2,3 %. La société a annoncé des acquisitions stratégiques de Distinguished Programs et a finalisé la transaction avec BroadStreet Partners, laissant environ 300 millions de dollars de capital non déployé.

White Mountains Insurance Group (NYSE: WTM) meldete starke Ergebnisse für das zweite Quartal 2025 mit einem 3%igen Anstieg des Buchwerts je Aktie auf $1.804. Das Unternehmen erzielte im Q2 2025 ein umfassendes Einkommen von $124 Millionen, verglichen mit einem Verlust von $55 Millionen im Q2 2024.

Zu den wichtigsten Highlights zählen die 85% Combined Ratio von Ark und $815 Millionen an Bruttobeiträgen (ein Anstieg von 17% im Jahresvergleich), HG Globals Rekord-Q2 mit $19 Millionen an Bruttobeiträgen sowie ein 19%iger Anstieg des Aktienkurses von MediaAlpha. Das Anlageportfolio, ohne MediaAlpha, wuchs um 2,3%. Das Unternehmen kündigte strategische Übernahmen von Distinguished Programs an und schloss die Transaktion mit BroadStreet Partners ab, wobei etwa $300 Millionen an nicht eingesetztem Kapital verbleiben.

Positive
  • Ark's combined ratio improved to 85% in Q2 2025 from 89% in Q2 2024
  • Gross written premiums at Ark increased 17% YoY to $815 million
  • HG Global achieved record Q2 premiums of $19 million, up 66% YoY
  • MediaAlpha's share price increased 19%, generating $31 million mark-to-market gain
  • Bamboo's managed premiums grew 59% YoY to $191 million
  • Investment portfolio excluding MediaAlpha up 2.3% in Q2
Negative
  • 13 points of catastrophe losses in H1 2025 from California wildfires
  • Six points of unfavorable development related to Ukraine aviation losses
  • Kudu's return on equity declined to 8% from 13% in previous quarter
  • Bamboo programs faced approximately $160 million in losses from January 2025 California wildfires

Insights

White Mountains reports solid Q2 with 3% BVPS growth, strong Ark combined ratio of 85%, and strategic acquisitions deploying capital.

White Mountains Insurance Group (WTM) delivered a 3% increase in book value per share for both Q2 and the first half of 2025, reaching $1,804 per share. This performance was driven by solid results across operating companies and strong investment returns.

Ark Insurance, their flagship operation, posted an impressive 85% combined ratio in Q2, improving from 87% in the same period last year. Ark generated $815 million in gross written premiums, representing 17% year-over-year growth, primarily from property and specialty lines. Notably, Ark's results included five points of net favorable prior year development, demonstrating strong underwriting discipline despite some aviation losses from the Ukraine conflict.

HG Global showed exceptional premium growth with $19 million in gross written premiums, up 66% year-over-year. Both policy volume and pricing contributed to this growth, with total par value increasing 18% and pricing jumping 39%.

Bamboo delivered record quarterly results with managed premiums reaching $191 million (59% increase) and MGA adjusted EBITDA of $26 million (more than doubling year-over-year). Their trailing 12-month EBITDA has tripled compared to last year.

Kudu's performance was more subdued with relatively flat portfolio fair value under volatile market conditions, though adjusted EBITDA increased slightly.

The company's investment in MediaAlpha benefited from a 19% share price increase during the quarter, generating a $31 million mark-to-market gain.

Strategic capital deployment continued with the announced acquisition of Distinguished Programs and the closing of the BroadStreet Partners transaction, leaving approximately $300 million in undeployed capital. This balanced approach of operational improvements and strategic acquisitions demonstrates management's focus on long-term value creation.

HAMILTON, Bermuda, Aug. 7, 2025 /PRNewswire/ --White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $1,804 as of June 30, 2025, an increase of 3% for both the second quarter of 2025 and the first six months of 2025, including dividends.

Manning Rountree, CEO, commented, "BVPS was up 3% in the quarter. We had sound results at our operating companies and good investment returns. Ark produced an 85% combined ratio and $815 million of gross written premiums in the quarter, up 17% year-over-year. HG Global generated $19 million of gross written premiums, a record second quarter, and grew book value by 2%. Kudu managed flattish results under volatile market conditions. Bamboo had a record quarter, with significant growth in managed premiums and adjusted EBITDA. MediaAlpha's share price increased 19% in the quarter, producing a $31 million mark-to-market gain. Excluding MediaAlpha, our investment portfolio was up 2.3%. In July, we announced our acquisition of Distinguished Programs and closed our transaction with BroadStreet Partners. Including these deployments, undeployed capital now stands at roughly $300 million."

Comprehensive income (loss) attributable to common shareholders was $124 million and $159 million in the second quarter and first six months of 2025 compared to $(55) million and $182 million in the second quarter and first six months of 2024. Results in the second quarter and first six months of 2025 included $31 million and $(6) million of unrealized investment gains (losses) from White Mountains's investment in MediaAlpha compared to $(139) million and $72 million of net realized and unrealized investment gains (losses) in the second quarter and first six months of 2024.

Ark/WM Outrigger

The Ark/WM Outrigger segment's combined ratio was 84% and 90% in the second quarter and first six months of 2025 compared to 87% and 89% in the second quarter and first six months of 2024. Ark/WM Outrigger reported gross written premiums of $815 million and $1,923 million, net written premiums of $579 million and $1,306 million and net earned premiums of $364 million and $722 million in the second quarter and first six months of 2025 compared to gross written premiums of $697 million and $1,569 million, net written premiums of $503 million and $1,101 million and net earned premiums of $318 million and $621 million in the second quarter and first six months of 2024.

Ark's combined ratio was 85% and 90% in the second quarter and first six months of 2025 compared to 89% and 91% in the second quarter and first six months of 2024. Ark's combined ratio in the first six months of 2025 included 13 points of catastrophe losses, driven by losses related to the January 2025 California wildfires. Ark's combined ratio included five points and nine points of net favorable prior year development in the second quarter and first six months of 2025, driven by the property, marine & energy and specialty lines of business, which more than offset six points of unfavorable development in the second quarter related to aviation losses from the conflict in Ukraine. This compares to two points and one point of net favorable prior year development in the second quarter and first six months of 2024, driven primarily by the property line of business.

Ark reported gross written premiums of $815 million and $1,923 million, net written premiums of $536 million and $1,226 million and net earned premiums of $357 million and $703 million in the second quarter and first six months of 2025 compared to gross written premiums of $697 million and $1,569 million, net written premiums of $464 million and $1,028 million and net earned premiums of $311 million and $603 million in the second quarter and first six months of 2024. Premium growth in the second quarter and first six months of 2025 was driven primarily by the property and specialty lines of business.

Ark reported pre-tax income of $91 million and $144 million in the second quarter and first six months of 2025 compared to $50 million and $83 million in the second quarter and first six months of 2024. Ark's results included net realized and unrealized investment gains of $51 million and $81 million in the second quarter and first six months of 2025 compared to $20 million and $31 million in the second quarter and first six months of 2024.

Ian Beaton, CEO of Ark, said, "We enjoyed good results for the first half of 2025. Ark's combined ratio was 85% for the second quarter and 90% year to date, both better than prior year. Gross written premiums in the quarter were up 17% year-over-year, aided by the addition of new underwriting teams and classes of business."

WM Outrigger Re's combined ratio was 44% and 120% in the second quarter and first six months of 2025 compared to 27% and 30% in the second quarter and first six months of 2024. Catastrophe losses in the first six months of 2025 included $19 million of losses related to the California wildfires (net of reinstatement premiums). WM Outrigger Re reported gross and net written premiums of $43 million and $80 million and net earned premiums of $7 million and $19 million in the second quarter and first six months of 2025 compared to gross and net written premiums of $39 million and $73 million and net earned premiums of $8 million and $18 million in the second quarter and first six months of 2024. The increase in gross and net written premiums was driven by White Mountains's larger capital commitment to WM Outrigger Re for the 2025 underwriting year.

WM Outrigger Re reported pre-tax income of $6 million in the second quarter of 2025. Results in the second quarter of 2025 included pre-tax income (loss) of $7 million for the 2025 underwriting year and $(1) million for the 2024 underwriting year. WM Outrigger Re reported pre-tax income of $8 million in the second quarter of 2024. Results in the second quarter of 2024 included pre-tax income of $7 million for the 2024 underwriting year and $1 million for the 2023 underwriting year. WM Outrigger Re reported pre-tax income of $0.3 million in the first six months of 2025. Results in the first six months of 2025 included pre-tax income (loss) of $10 million for the 2025 underwriting year and $(10) million for the 2024 underwriting year. WM Outrigger Re reported pre-tax income of $18 million in the first six months of 2024. Results in the first six months of 2024 included pre-tax income of $14 million for the 2024 underwriting year and $4 million for the 2023 underwriting year.

Through June 30, 2025, WM Outrigger Re generated pre-tax income of $10 million from the 2025 underwriting year, $28 million from the 2024 underwriting year and $76 million from the 2023 underwriting year.

HG Global

HG Global reported gross written premiums of $19 million and $26 million and earned premiums of $7 million and $15 million in the second quarter and first six months of 2025 compared to gross written premiums of $12 million and $21 million and earned premiums of $8 million and $14 million in the second quarter and first six months of 2024. HG Global's total par value of policies assumed was $931 million and $1,358 million in the second quarter and first six months of 2025 compared to $786 million and $1,324 million in the second quarter and first six months of 2024. HG Global's total gross pricing was 206 and 191 basis points in the second quarter and first six months of 2025 compared to 148 and 155 basis points in the second quarter and first six months of 2024.

HG Global reported pre-tax income of $17 million and $42 million in the second quarter and first six months of 2025 compared to $11 million and $17 million in the second quarter and first six months of 2024. HG Global's results included net realized and unrealized investment gains (losses) of $3 million and $13 million in the second quarter and first six months of 2025 compared to $(2) million and $(9) million in the second quarter and first six months of 2024, driven by the movement of interest rates. The fair value of the BAM surplus notes increased to $397 million as of June 30, 2025 compared to $389 million as of March31, 2025, resulting fromapproximately $8 million of accrued interest.

Kevin Pearson, President of HG Global, said, "HG Global had a strong second quarter. Gross written premiums increased 66% year-over-year. Par value assumed increased 18% year-over-year, driven by higher issuance of municipal bonds, and total gross pricing increased 39% year-over-year, reflecting higher primary market pricing."

We encourage you to read BAM's second quarter statutory financial statements and operating supplement, which will be available on BAM's website at .

Kudu

Kudu reported total revenues of $20 million, pre-tax income of $11 million and adjusted EBITDA of $16 million in the second quarter of 2025 compared to total revenues of $70 million, pre-tax income of $61 million and adjusted EBITDA of $12 million in the second quarter of 2024. Total revenues, pre-tax income and adjusted EBITDA included $19 million of net investment income in the second quarter of 2025 compared to $16 million in the second quarter of 2024. Total revenues and pre-tax income also included $1 million of net realized and unrealized investment gains in the second quarter of 2025 compared to $55 million in the second quarter of 2024. On a trailing 12 months basis, return on equity was 8% as of June 30, 2025, down from 13% as of March 31, 2025 due to lower net realized and unrealized investment gains.

Kudu reported total revenues of $84 million, pre-tax income of $64 million and adjusted EBITDA of $32 million in the first six months of 2025 compared to total revenues of $81 million, pre-tax income of $63 million and adjusted EBITDA of $26 million in the first six months of 2024. Total revenues, pre-tax income and adjusted EBITDA included $39 million of net investment income in the first six months of 2025 compared to $33 million in the first six months of 2024. Total revenues and pre-tax income also included $45 million of net realized and unrealized investment gains in the first six months of 2025 compared to $48 million in the first six months of 2024.

Rob Jakacki, CEO of Kudu, said, "Kudu had an okay quarter. GAAP ROE dipped to 8%, reflecting lower realized and unrealized gains, while annualized adjusted EBITDA increased 1%, reflecting continued underlying growth. The fair value of our portfolio was flat, holding up well under volatile market conditions. Our pipeline remains active, and we anticipate continued capital deployment through the rest of 2025."

Bamboo

Bamboo reported commission and fee revenues of $59 million and pre-tax income of $16 million in the second quarter of 2025 compared to commission and fee revenues of $33 million and pre-tax income of $6 million in the second quarter of 2024. Bamboo reported MGA pre-tax income of $15 million and MGA adjusted EBITDA of $26 million in the second quarter of 2025 compared to MGA pre-tax income of $6 million and MGA adjusted EBITDA of $12 million in the second quarter of 2024. Managed premiums, which represent the total premiums placed by Bamboo, were $191 million in the second quarter of 2025 compared to $120 million in the second quarter of 2024. The increase in managed premiums was driven by growth in the renewal book as well as new business volume.

Bamboo reported commission and fee revenues of $103 million and pre-tax income of $22 million in the first six months of 2025 compared to commission and fee revenues of $55 million and pre-tax income of $7 million in the first six months of 2024. Bamboo reported MGA pre-tax income of $25 million and MGA adjusted EBITDA of $46 million in the first six months of 2025 compared to MGA pre-tax income of $7 million and MGA adjusted EBITDA of $18 million in the first six months of 2024. Managed premiums were $338 million in the first six months of 2025 compared to $209 million in the first six months of 2024. The increase in managed premiums was driven by growth in the renewal book as well as new business volume.

Bamboo's estimates for losses to its programs from the January 2025 California wildfires remain unchanged at approximately $160 million as of June 30, 2025.

John Chu, CEO of Bamboo, said, "Bamboo had an excellent quarter. We once again achieved record financial performance across our key financial metrics. Trailing 12 months managed premiums increased to $613 million, up 72% year-over-year, while trailing 12 months MGA adjusted EBITDA increased to $80 million, up 3x year-over-year. Looking ahead, we see continuing opportunities to drive robust, profitable growth in the second half of 2025 and beyond."

MediaAlpha

As of June 30, 2025, White Mountains owned 17.9 million shares of MediaAlpha, representing a 26% basic ownership interest (24% on a fully-diluted/fully-converted basis). As of June 30, 2025, MediaAlpha's share price was $10.95 per share, which increased from $9.24 per share as of March31, 2025. The carrying value of White Mountains's investment in MediaAlpha was $196 million as of June 30, 2025 compared to $165 million as of March31, 2025. At our current level of ownership, each $1.00 per share increase or decrease in the share price of MediaAlpha will result in an approximate $7.00 per share increase or decrease in White Mountains's book value per share.

We encourage you to read MediaAlpha's second quarter earnings release and related shareholder letter, which is available on MediaAlpha's investor relations website at .

Other Operations

White Mountains's Other Operations reported pre-tax income (loss) of $36 million and $(23) million in the second quarter and first six months of 2025 compared to $(153) million and $49 million in the second quarter and first six months of 2024. Unrealized investment gains (losses) from White Mountains's investment in MediaAlpha were $31 million and $(6) million in the second quarter and first six months of 2025 compared to net realized and unrealized investment gains (losses) of $(139) million and $72 million in the second quarter and first six months of 2024. Excluding MediaAlpha, net realized and unrealized investment gains were $32 million and $35 million in the second quarter and first six months of 2025 compared to $9 million and $31 million in the second quarter and first six months of 2024. Net investment income was $9 million and $18 million in the second quarter and first six months of 2025 compared to $8 million and $18 million in the second quarter and first six months of 2024.

White Mountains's Other Operations reported other revenues of $57 million and $70 million in the second quarter and first six months of 2025 compared to $15 million and $29 million in the second quarter and first six months of 2024. White Mountains's Other Operations reported cost of sales of $42 million and $50 million in the second quarter and first six months of 2025 compared to $7 million and $15 million in the second quarter and first six months of 2024. The increases in other revenues and cost of sales were driven primarily by the acquisition of Enterprise Solutions by WTM Partners in the second quarter of 2025.

White Mountains's Other Operations reported general and administrative expenses of $54 million and $89 million in the second quarter and first six months of 2025 compared to $43 million and $94 million in the second quarter and first six months of 2024. The increase in general and administrative expenses in the second quarter of 2025 compared to the second quarter of 2024 was driven primarily by parent company transaction costs as well as the acquisition of Enterprise Solutions.

In the second quarter and first six months of 2025, White Mountains's Other Operations reported pre-tax income (loss) of $1 million and $(7) million related to the Bamboo CRV. The results of the Bamboo CRV for the first six months of 2025 included $12 million of losses related to the January 2025 California wildfires. In both the second quarter and first six months of 2024, White Mountains's Other Operations reported pre-tax income of $2 million related to the Bamboo CRV.

Investments

The total consolidated portfolio return was 2.7% in the second quarter of 2025. Excluding MediaAlpha, the total consolidated portfolio return was 2.3% in the second quarter of 2025. The total consolidated portfolio return was -0.1% in the second quarter of 2024. Excluding MediaAlpha, the total consolidated portfolio return was 2.2% in the second quarter of 2024.

The total consolidated portfolio return was 4.5% in the first six months of 2025. Excluding MediaAlpha, the total consolidated portfolio return was 4.7% in the first six months of 2025. The total consolidated portfolio return was 4.5% in the first six months of 2024. Excluding MediaAlpha, the total consolidated portfolio return was 3.5% in the first six months of 2024.

Mark Plourde, President of White Mountains Advisors, said, "Excluding MediaAlpha, the total portfolio was up 2.3% in the quarter, a solid absolute result but mixed versus benchmarks. Our fixed income portfolio returned 1.5%, in-line with the Bloomberg Intermediate Aggregate Index return. The equity portfolio, excluding MediaAlpha, returned 3.4%, behind the S&P 500 Index return of 10.9% in a strong up quarter for common stocks. Equity results were driven by lower relative returns from our market neutral positions and other long-term investments."

Additional Information

White Mountains is a Bermuda-domiciled financial services holding company traded on the New York Stock Exchange under the symbol WTM and the Bermuda Stock Exchange under the symbol WTM.BH. Additional financial information and other items of interest are available at the Company's website located at . White Mountains expects to file its Form 10-Q today with the Securities and Exchange Commission and urges shareholders to refer to that document for more complete information concerning its financial results.

CONTACT: Rob Seelig
(603) 640-2212

WHITE MOUNTAINS INSURANCE GROUP,LTD.

CONDENSED CONSOLIDATED BALANCE SHEETS

(millions)

(Unaudited)




June 30, 2025


December 31, 2024


June 30, 2024

Assets







P&C Insurance and Reinsurance (Ark/WM Outrigger)







Fixed maturity investments


$ 1,755.8


$ 1,565.1


$ 1,005.5

Common equity securities


435.0


425.4


422.3

Short-term investments


611.4


601.4


904.5

Other long-term investments


609.1


547.8


491.3

Total investments


3,411.3


3,139.7


2,823.6

Cash (restricted $4.6, $14.1, $3.6)


162.7


141.2


156.3

Reinsurance recoverables


1,044.1


589.0


863.8

Insurance premiums receivable


1,451.4


768.6


1,175.4

Deferred acquisition costs


344.8


165.2


245.3

Goodwill and other intangible assets


292.5


292.5


292.5

Other assets


198.7


202.8


147.0

Total P&C Insurance and Reinsurance assets


6,905.5


5,299.0


5,703.9

Financial Guarantee (HG Global)







Fixed maturity investments


670.8


612.1


1,039.4

Short-term investments


42.9


55.5


51.3

Total investments


713.7


667.6


1,090.7

Cash


9.2


11.5


5.0

BAM surplus notes, at fair value


396.7


381.7


Insurance premiums receivable


8.0


4.4


6.4

Deferred acquisition costs


90.4


86.6


41.7

Other assets


26.5


27.6


36.3

Total Financial Guarantee assets


1,244.5


1,179.4


1,180.1

Asset Management (Kudu)







Short-term investments


42.3


27.9


37.6

Other long-term investments


1,127.2


1,014.0


907.1

Total investments


1,169.5


1,041.9


944.7

Cash


5.7


.6


1.1

Accrued investment income


24.1


18.0


15.1

Goodwill and other intangible assets


7.8


8.0


8.1

Other assets


23.6


39.9


35.4

Total Asset Management assets


1,230.7


1,108.4


1,004.4

P&C Insurance Distribution (Bamboo)







Fixed maturity investments


39.3


40.7


33.2

Short-term investments


26.6


17.3


19.8

Total investments


65.9


58.0


53.0

Cash (restricted $94.9, $59.5, $60.5)


117.6


74.5


68.9

Premiums, commissions and fees receivable


54.4


70.0


58.0

Goodwill and other intangible assets


347.0


355.0


363.0

Other assets


34.6


27.1


18.8

Total P&C Insurance Distribution assets


619.5


584.6


561.7

Other Operations







Fixed maturity investments


170.0


293.7


266.7

Common equity securities



224.6


208.5

Investment in MediaAlpha


195.5


201.6


235.2

Short-term investments


501.9


262.1


192.3

Other long-term investments


570.8


588.4


624.0

Total investments


1,438.2


1,570.4


1,526.7

Cash


42.6


38.6


23.9

Goodwill and other intangible assets


158.1


64.8


67.4

Other assets


183.8


80.4


98.8

Total Other Operations assets


1,822.7


1,754.2


1,716.8

Total assets


$ 11,822.9


$ 9,925.6


$ 10,166.9

WHITE MOUNTAINS INSURANCE GROUP,LTD.

CONDENSED CONSOLIDATED BALANCE SHEETS (CONTINUED)

(millions)

(Unaudited)




June 30, 2025


December 31, 2024


June 30, 2024

Liabilities







P&C Insurance and Reinsurance (Ark/WM Outrigger)







Loss and loss adjustment expense reserves


$ 2,288.5


$ 2,127.5


$ 1,890.1

Unearned insurance premiums


1,847.3


853.3


1,526.1

Debt


158.9


154.5


155.0

Reinsurance payable


463.8


149.5


367.3

Contingent consideration


193.4


155.3


107.3

Other liabilities


221.6


224.7


157.2

Total P&C Insurance and Reinsurance liabilities


5,173.5


3,664.8


4,203.0

Financial Guarantee (HG Global)







Unearned insurance premiums


307.9


297.3


333.2

Debt


147.6


147.4


147.2

Other liabilities


32.8


19.4


52.1

Total Financial Guarantee liabilities


488.3


464.1


532.5

Asset Management (Kudu)







Debt


246.8


238.6


203.3

Other liabilities


82.4


78.1


67.9

Total Asset Management liabilities


329.2


316.7


271.2

P&C Insurance Distribution (Bamboo)







Loss and loss adjustment expense reserves


28.8


17.8


16.6

Unearned insurance premiums


12.9


31.5


23.6

Premiums and commissions payable


93.9


88.1


78.8

Debt


104.6



Other liabilities


41.0


30.3


28.2

Total P&C Insurance Distribution liabilities


281.2


167.7


147.2

Other Operations







Loss and loss adjustment expense reserves


14.2


12.1


3.9

Unearned insurance premiums


9.4


29.0


22.6

Debt


36.7


22.0


24.7

Accrued incentive compensation


41.0


79.3


58.5

Other liabilities


109.2


38.9


31.1

Total Other Operations liabilities


210.5


181.3


140.8

Total liabilities


6,482.7


4,794.6


5,294.7








Equity







White Mountains's common shareholders' equity







White Mountains's common shares and paid-in surplus


576.6


566.4


561.3

Retained earnings


4,067.6


3,919.0


3,863.1

Accumulated other comprehensive income (loss), after tax:







Net unrealized gains (losses) from foreign currency translation


.3


(1.7)


(1.8)

Total White Mountains's common shareholders' equity


4,644.5


4,483.7


4,422.6

Noncontrolling interests


695.7


647.3


449.6

Total equity


5,340.2


5,131.0


4,872.2

Total liabilities and equity


$ 11,822.9


$ 9,925.6


$ 10,166.9

WHITE MOUNTAINS INSURANCE GROUP,LTD.

BOOK VALUE PER SHARE

(Unaudited)




June 30, 2025


March 31, 2025


December 31, 2024


June 30, 2024

Book value per share numerator (in millions):









White Mountains's common shareholders' equity

$ 4,644.5


$ 4,509.6


$ 4,483.7


$ 4,422.6

Book value per share denominator (in thousands of shares):









Common shares outstanding


2,575.1


2,573.7


2,568.1


2,568.3










Book value per share


$ 1,803.57


$ 1,752.17


$ 1,745.87


$ 1,722.02










Quarter-to-date change in book value per share, including dividends:


2.9%


0.4%


(2.8)%


(1.2)%

Year-to-date change in book value per share, including dividends:


3.4%


0.4%


5.5%


4.0%










Year-to-date dividends per share


$ 1.00


$ 1.00


$ 1.00


$ 1.00

WHITE MOUNTAINS INSURANCE GROUP,LTD.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(millions)

(Unaudited)




Three Months Ended June 30,


Six Months Ended June 30,



2025


2024


2025


2024

Revenues:









P&C Insurance and Reinsurance (Ark/WM Outrigger)









Earned insurance premiums


$ 364.2


$ 318.3


$ 722.2


$ 621.1

Net investment income


26.3


22.3


49.8


42.2

Net realized and unrealized investment gains (losses)


51.1


20.3


80.6


30.9

Other revenues


6.3


2.4


8.5


5.9

Total P&C Insurance and Reinsurance revenues


447.9


363.3


861.1


700.1

Financial Guarantee (HG Global)









Earned insurance premiums


7.1


9.0


15.3


16.8

Net investment income


6.5


10.4


12.8


20.1

Net realized and unrealized investment gains (losses)


3.1


(4.3)


13.1


(14.4)

Interest income from BAM surplus notes


7.5



15.0


Other revenues



.6


.1


1.1

Total Financial Guarantee revenues


24.2


15.7


56.3


23.6

Asset Management (Kudu)









Net investment income


19.3


15.7


38.7


32.9

Net realized and unrealized investment gains (losses)


.8


54.5


44.8


48.0

Other revenues


.3



.7


Total Asset Management revenues


20.4


70.2


84.2


80.9

P&C Insurance Distribution (Bamboo)









Commission and fee revenues


59.1


32.7


103.3


54.6

Earned insurance premiums


1.6


8.0


16.5


16.4

Other revenues


1.8


1.3


4.1


2.1

Total P&C Insurance Distribution revenues


62.5


42.0


123.9


73.1

Other Operations









Earned insurance premiums


2.3


8.6


16.2


8.6

Net investment income


8.6


8.4


18.3


18.3

Net realized and unrealized investment gains (losses)


31.8


8.5


34.6


30.7

Net realized and unrealized investment gains (losses) from

investment in MediaAlpha


30.5


(139.2)


(6.1)


71.5

Commission and fee revenues


4.2


3.4


8.1


7.0

Other revenues


56.8


14.5


70.4


28.9

Total Other Operations revenues


134.2


(95.8)


141.5


165.0

Total revenues


$ 689.2


$ 395.4


$ 1,267.0


$ 1,042.7

WHITE MOUNTAINS INSURANCE GROUP,LTD.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (CONTINUED)

(millions)

(Unaudited)




Three Months Ended June 30,


Six Months Ended June 30,



2025


2024


2025


2024

Expenses:









P&C Insurance and Reinsurance (Ark/WM Outrigger)









Loss and loss adjustment expenses


$ 164.0


$ 175.7


$ 397.5


$ 355.7

Acquisition expenses


97.2


68.2


180.7


134.5

General and administrative expenses


56.5


42.9


92.4


85.1

Change in fair value of contingent consideration


28.4


13.3


38.1


13.3

Interest expense


4.3


4.7


8.5


10.1

Total P&C Insurance and Reinsurance expenses


350.4


304.8


717.2


598.7

Financial Guarantee (HG Global)









Acquisition expenses


2.0


2.2


3.9


4.4

General and administrative expenses


1.0


17.2


1.6


34.5

Interest expense


4.5


4.1


9.1


7.6

Total Financial Guarantee expenses


7.5


23.5


14.6


46.5

Asset Management (Kudu)









General and administrative expenses


3.6


3.5


7.6


6.9

Interest expense


6.1


5.4


12.5


11.0

Total Asset Management expenses


9.7


8.9


20.1


17.9

P&C Insurance Distribution (Bamboo)









Broker commission expenses


19.8


12.7


35.3


22.0

Loss and loss adjustment expenses


1.7


4.3


12.6


10.1

Acquisition expenses


(.6)


2.9


6.0


6.0

General and administrative expenses


22.6


15.7


42.6


27.7

Interest expense


2.9



5.0


Total P&C Insurance Distribution expenses


46.4


35.6


101.5


65.8

Other Operations









Loss and loss adjustment expenses


.8


3.9


18.2


3.9

Acquisition expenses


.9


2.6


6.0


2.6

Cost of sales


42.4


7.0


49.9


14.6

General and administrative expenses


53.8


43.2


89.3


93.5

Interest expense


.8


.6


1.3


1.3

Total Other Operations expenses


98.7


57.3


164.7


115.9

Total expenses


512.7


430.1


1,018.1


844.8

Pre-tax income (loss)


176.5


(34.7)


248.9


197.9

Income tax (expense) benefit


(12.9)


(6.5)


(22.5)


(17.3)

Net income (loss)


163.6


(41.2)


226.4


180.6

Net (income) loss attributable to noncontrolling interests


(40.7)


(13.4)


(69.6)


1.2

Net income (loss) attributable to White Mountains's common shareholders


$ 122.9


$ (54.6)


$ 156.8


$ 181.8

WHITE MOUNTAINS INSURANCE GROUP,LTD.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)

(millions)

(Unaudited)




Three Months Ended June 30,


Six Months Ended June 30,



2025


2024


2025


2024

Net income (loss) attributable to White Mountains's common shareholders


$ 122.9


$ (54.6)


$ 156.8


$ 181.8

Other comprehensive income (loss), net of tax


1.1


.1


3.1


(.2)

Comprehensive income (loss)


124.0


(54.5)


159.9


181.6

Other comprehensive (income) loss attributable to noncontrolling interests


(.3)


(.1)


(1.1)


Comprehensive income (loss) attributable to White Mountains's common shareholders

$ 123.7


$ (54.6)


$ 158.8


$ 181.6

WHITE MOUNTAINS INSURANCE GROUP,LTD.

EARNINGS PER SHARE

(Unaudited)


Earnings (loss) per share attributable to White Mountains's

common shareholders


Three Months Ended June 30,


Six Months Ended June 30,



2025


2024


2025


2024

Basic earnings (loss) per share


$ 47.75


$ (21.24)


$ 60.99


$ 70.93

Diluted earnings (loss) per share


$ 47.75


$ (21.24)


$ 60.99


$ 70.93

Dividends declared and paid per White Mountains's common share


$ �


$ �


$ 1.00


$ 1.00

WHITE MOUNTAINS INSURANCE GROUP,LTD.

QTD SEGMENT STATEMENTS OF PRE-TAX INCOME (LOSS)

(millions)

(Unaudited)


For the Three Months Ended June 30, 2025


Ark/WM Outrigger












Ark


WM
Outrigger
Re


HG Global


Kudu


Bamboo


Other
Operations


Total

Revenues:















Earned insurance premiums


$ 357.1


$ 7.1


$ 7.1


$ �


$ 1.6


$ 2.3


$ 375.2

Net investment income (1)


24.1


2.2


6.5


19.3


.7


8.6


61.4

Net realized and unrealized

investment gains (losses) (1)


51.1



3.1


.8



31.8


86.8

Net realized and unrealized

investment gains (losses)

from investment in MediaAlpha







30.5


30.5

Interest income from

BAM surplus notes




7.5





7.5

Commission and fee revenues






59.1


4.2


63.3

Other revenues


6.3




.3


1.1


56.8


64.5

Total revenues


438.6


9.3


24.2


20.4


62.5


134.2


689.2

Expenses:















Loss and loss adjustment expenses


162.3


1.7




1.7


.8


166.5

Acquisition expenses


95.8


1.4


2.0



(.6)


.9


99.5

Cost of sales







42.4


42.4

Broker commission expenses






19.8



19.8

General and administrative expenses


56.5



1.0


3.6


22.6


53.8


137.5

Change in fair value of contingent

consideration


28.4







28.4

Interest expense


4.3



4.5


6.1


2.9


.8


18.6

Total expenses


347.3


3.1


7.5


9.7


46.4


98.7


512.7

Pre-tax income (loss)


$ 91.3


$ 6.2


$ 16.7


$ 10.7


$ 16.1


$ 35.5


$ 176.5

(1)

Bamboo's net investment income and net realized and unrealized investment gains (losses) are included in other revenues in the consolidated statement of operations.

WHITE MOUNTAINS INSURANCE GROUP,LTD.

QTD SEGMENT STATEMENTS OF PRE-TAX INCOME (LOSS) (CONTINUED)

(millions)

(Unaudited)


For the Three Months Ended June 30, 2024


Ark/WM Outrigger


HG Global











Ark


WM

Outrigger Re


HG Global


BAM


Kudu


Bamboo


Other
Operations


Total

Revenues:

















Earned insurance premiums


$ 310.8


$ 7.5


$ 7.5


$ 1.5


$ �


$ 8.0


$ 8.6


$ 343.9

Net investment income (1)


19.3


3.0


5.9


4.5


15.7


0.6


8.4


57.4

Net realized and unrealized

investment gains (losses) (1)


20.3



(2.0)


(2.3)


54.5



8.5


79.0

Net realized and unrealized

investment gains (losses)

from investment in MediaAlpha








(139.2)


(139.2)

Interest income (expense) from

BAM surplus notes




6.6


(6.6)





Commission and fee revenues







32.7


3.4


36.1

Other revenues


2.4




.6



.7


14.5


18.2

Total revenues


352.8


10.5


18.0


(2.3)


70.2


42.0


(95.8)


395.4

Expenses:

















Loss and loss adjustment expenses


176.0


(.3)





4.3


3.9


183.9

Acquisition expenses


65.9


2.3


2.2




2.9


2.6


75.9

Cost of sales








7.0


7.0

Broker commission expenses







12.7



12.7

General and administrative expenses


42.8


.1


.6


16.6


3.5


15.7


43.2


122.5

Change in fair value of contingent consideration


13.3








13.3

Interest expense


4.7



4.1



5.4



.6


14.8

Total expenses


302.7


2.1


6.9


16.6


8.9


35.6


57.3


430.1

Pre-tax income (loss)


$ 50.1


$ 8.4


$ 11.1


$ (18.9)


$ 61.3


$ 6.4


$ (153.1)


$ (34.7)

(1)

Bamboo's net investment income and net realized and unrealized investment gains (losses) are included in other revenues in the consolidated statement of operations.

WHITE MOUNTAINS INSURANCE GROUP,LTD.

YTD SEGMENT STATEMENTS OF PRE-TAX INCOME (LOSS)

(millions)

(Unaudited)


For the Six Months Ended June 30, 2025


Ark/WM Outrigger












Ark


WM

Outrigger
Re


HG Global


Kudu


Bamboo


Other
Operations


Total

Revenues:















Earned insurance premiums


$ 703.1


$ 19.1


$ 15.3


$ �


$ 16.5


$ 16.2


$ 770.2

Net investment income (1)


45.4


4.4


12.8


38.7


1.4


18.3


121.0

Net realized and unrealized

investment gains (losses) (1)


80.7


(.1)


13.1


44.8


.3


34.6


173.4

Net realized and unrealized

investment gains (losses)

from investment in MediaAlpha







(6.1)


(6.1)

Interest income from

BAM surplus notes




15.0





15.0

Commission and fee revenues






103.3


8.1


111.4

Other revenues


8.5



.1


.7


2.4


70.4


82.1

Total revenues


837.7


23.4


56.3


84.2


123.9


141.5


1,267.0

Expenses:















Loss and loss adjustment expenses


375.6


21.9




12.6


18.2


428.3

Acquisition expenses


179.6


1.1


3.9



6.0


6.0


196.6

Cost of sales







49.9


49.9

Broker commission expenses






35.3



35.3

General and administrative expenses


92.3


.1


1.6


7.6


42.6


89.3


233.5

Change in fair value of contingent

consideration


38.1







38.1

Interest expense


8.5



9.1


12.5


5.0


1.3


36.4

Total expenses


694.1


23.1


14.6


20.1


101.5


164.7


1,018.1

Pre-tax income (loss)


$ 143.6


$ .3


$ 41.7


$ 64.1


$ 22.4


$ (23.2)


$ 248.9

(1)

Bamboo's net investment income and net realized and unrealized investment gains (losses) are included in other revenues in the consolidated statement of operations.

WHITE MOUNTAINS INSURANCE GROUP,LTD.

YTD SEGMENT STATEMENTS OF PRE-TAX INCOME (LOSS) (CONTINUED)

(millions)

(Unaudited)


For the Six Months Ended June 30, 2024


Ark/WM Outrigger


HG Global











Ark


WM
Outrigger Re


HG
Global


BAM


Kudu


Bamboo


Other
Operations


Total

Revenues:

















Earned insurance premiums


$ 603.3


$ 17.8


$ 14.0


$ 2.8


$ �


$ 16.4


$ 8.6


$ 662.9

Net investment income (1)


36.3


5.9


11.3


8.8


32.9


.9


18.3


114.4

Net realized and unrealized

investment gains (losses) (1)


30.9



(9.3)


(5.1)


48.0


(.1)


30.7


95.1

Net realized and unrealized

investment gains (losses)

from investment in MediaAlpha








71.5


71.5

Interest income (expense) from

BAM surplus notes




13.2


(13.2)





Commission and fee revenues







54.6


7.0


61.6

Other revenues


5.9




1.1



1.3


28.9


37.2

Total revenues


676.4


23.7


29.2


(5.6)


80.9


73.1


165.0


1,042.7

Expenses:

















Loss and loss adjustment expenses


355.3


.4





10.1


3.9


369.7

Acquisition expenses


129.6


4.9


4.0


.4



6.0


2.6


147.5

Broker commission expenses







22.0



22.0

Cost of sales








14.6


14.6

General and administrative expenses


85.0


.1


1.0


33.5


6.9


27.7


93.5


247.7

Change in fair value of contingent

consideration


13.3








13.3

Interest expense


10.1



7.6



11.0



1.3


30.0

Total expenses


593.3


5.4


12.6


33.9


17.9


65.8


115.9


844.8

Pre-tax income (loss)


$ 83.1


$ 18.3


$ 16.6


$ (39.5)


$ 63.0


$ 7.3


$ 49.1


$ 197.9

(1)

Bamboo's net investment income and net realized and unrealized investment gains (losses) are included in other revenues in the consolidated statement of operations.

WHITE MOUNTAINS INSURANCE GROUP,LTD.

SELECTED FINANCIAL DATA

($ in millions)

(Unaudited)


Ark/WM Outrigger


Three Months Ended June 30, 2025



Ark


WM

Outrigger Re


Elimination


Total

Insurance premiums:









Gross written premiums


$ 815.2


$ 42.6


$ (42.6)


$ 815.2

Net written premiums


$ 536.0


$ 42.6


$ �


$ 578.6

Net earned premiums


$ 357.1


$ 7.1


$ �


$ 364.2










Insurance expenses:









Loss and loss adjustment expenses


$ 162.3


$ 1.7


$ �


$ 164.0

Acquisition expenses


95.8


1.4



97.2

Other underwriting expenses (1)


46.3




46.3

Total insurance expenses


$ 304.4


$ 3.1


$ �


$ 307.5










Insurance ratios:









Loss and loss adjustment expenses


45.4%


23.9%


—�%


45.0%

Acquisition expenses


26.8


19.8



26.7

Other underwriting expenses


13.0




12.7

Combined Ratio


85.2%


43.7%


—�%


84.4%

(1)

Included within general and administrative expenses in the consolidated statement of operations.

Ark/WM Outrigger


Three Months Ended June 30, 2024



Ark


WM

Outrigger Re


Elimination


Total

Insurance premiums:









Gross written premiums


$ 697.0


$ 38.9


$ (38.9)


$ 697.0

Net written premiums


$ 463.9


$ 38.9


$ �


$ 502.8

Net earned premiums


$ 310.8


$ 7.5


$ �


$ 318.3










Insurance expenses:









Loss and loss adjustment expenses


$ 176.0


$ (.3)


$ �


$ 175.7

Acquisition expenses


65.9


2.3



68.2

Other underwriting expenses(1)


33.1




33.1

Total insurance expenses


$ 275.0


$ 2.0


$ �


$ 277.0










Insurance ratios:









Loss and loss adjustment expense


56.6%


(4.0)%


—�%


55.2%

Acquisition expense


21.2


30.7



21.4

Other underwriting expense


10.7




10.4

Combined Ratio


88.5%


26.7%


—�%


87.0%

(1)

Included within general and administrative expenses in the consolidated statement of operations.

WHITE MOUNTAINS INSURANCE GROUP,LTD.

SELECTED FINANCIAL DATA (CONTINUED)

($ in millions)

(Unaudited)


Ark/WM Outrigger


Six Months Ended June 30, 2025



Ark


WM

Outrigger Re


Elimination


Total

Insurance premiums:









Gross written premiums


$ 1,922.8


$ 80.1


$ (80.1)


$ 1,922.8

Net written premiums


$ 1,226.2


$ 80.1


$ �


$ 1,306.3

Net earned premiums


$ 703.1


$ 19.1


$ �


$ 722.2










Insurance expenses:









Loss and loss adjustment expenses


$ 375.6


$ 21.9


$ �


$ 397.5

Acquisition expenses


179.6


1.1



180.7

Other underwriting expenses (1)


74.8




74.8

Total insurance expenses


$ 630.0


$ 23.0


$ �


$ 653.0










Insurance ratios:









Loss and loss adjustment expense


53.4%


114.7%


—�%


55.0%

Acquisition expense


25.5


5.7



25.0

Other underwriting expense


10.6




10.4

Combined Ratio


89.5%


120.4%


—�%


90.4%

(1)

Included within general and administrative expenses in the consolidated statement of operations.

Ark/WM Outrigger


Six Months Ended June 30, 2024



Ark


WM

Outrigger Re


Elimination


Total

Insurance premiums:









Gross written premiums


$ 1,569.1


$ 73.2


$ (73.2)


$ 1,569.1

Net written premiums


$ 1,027.6


$ 73.2


$ �


$ 1,100.8

Net earned premiums


$ 603.3


$ 17.8


$ �


$ 621.1










Insurance expenses:









Loss and loss adjustment expenses


$ 355.3


$ .4


$ �


$ 355.7

Acquisition expenses


129.6


4.9



134.5

Other underwriting expenses (1)


63.6




63.6

Total insurance expenses


$ 548.5


$ 5.3


$ �


$ 553.8










Insurance ratios:









Loss and loss adjustment expense


58.9%


2.3%


—�%


57.3%

Acquisition expense


21.5


27.5



21.7

Other underwriting expense


10.5




10.2

Combined Ratio


90.9%


29.8%


—�%


89.2%

(1)

Included within general and administrative expenses in the consolidated statement of operations.

WHITE MOUNTAINS INSURANCE GROUP, LTD.

SELECTED FINANCIAL DATA (CONTINUED)

($ in millions)

(Unaudited)




Three Months Ended June 30,


Six Months Ended June 30,

HG Global


2025


2024


2025


2024

Par value assumed:









Par value of primary market policies assumed (1)


$ 840.1


$ 695.4


$ 1,167.1


$ 1,178.0

Par value of secondary market policies assumed (1)


90.4


90.5


190.7


145.9

Total par value of policies assumed


$ 930.5


$ 785.9


$ 1,357.8


$ 1,323.9










Reinsurance premiums:









Gross written premiums from primary market


$ 16.7


$ 6.8


$ 20.5


$ 13.7

Gross written premiums from secondary market


2.5


4.8


5.4


6.8

Total gross written premiums


19.2


11.6


25.9


20.5

Ceding commission paid


5.8


3.4


7.8


6.0

Total gross written premiums net of ceding commission paid


$ 13.4


$ 8.2


$ 18.1


$ 14.5










Earned premiums


$ 7.1


$ 7.5


$ 15.3


$ 14.0










Pricing:









Gross pricing from primary market


199 bps


98 bps


176 bps


116 bps

Gross pricing from secondary market


277 bps


530 bps


283 bps


466 bps

Total gross pricing


206 bps


148 bps


191 bps


155 bps










Total pricing net of ceding commission paid


144 bps


104 bps


133 bps


110 bps










(1)

For capital appreciation bonds, par is adjusted to the estimated equivalent par value for current interest paying bonds.

HG Global


As of
June 30, 2025


As of
December 31, 2024


As of
June 30, 2024

Unearned premiums


$ 307.9


$ 297.3


$ 280.4

Deferred acquisition costs


90.4


86.6


81.0

Unearned premiums, net of deferred acquisition costs


$ 217.5


$ 210.7


$ 199.4

WHITE MOUNTAINS INSURANCE GROUP,LTD.

SELECTED FINANCIAL DATA (CONTINUED)

($ in millions)

(Unaudited)


Kudu


Three Months
Ended June 30,
2024


Three Months
Ended June 30,
2025


Six Months
Ended June 30,
2024


Six Months
Ended June 30,
2025


Twelve Months
Ended June 30,
2025

Net investment income (1)


$ 15.7


$ 19.3


$ 32.9


$ 38.7


$ 72.5

Net realized and unrealized investment

gains (losses)


54.5


.8


48.0


44.8


48.1

Other revenues



.3



.7


1.5

Total revenues


70.2


20.4


80.9


84.2


122.1

General and administrative expenses


3.5


3.6


6.9


7.6


16.1

Interest expense


5.4


6.1


11.0


12.5


23.6

Total expenses


8.9


9.7


17.9


20.1


39.7

GAAP pre-tax income (loss)


61.3


10.7


63.0


64.1


82.4

Income tax (expense) benefit


(9.9)


1.0


(9.1)


(10.6)


(18.3)

GAAP net income (loss)


51.4


11.7


53.9


53.5


64.1












Add back:











Interest expense


5.4


6.1


11.0


12.5


23.6

Income tax expense (benefit)


9.9


(1.0)


9.1


10.6


18.3

Depreciation expense






.1

Amortization of other intangible assets


.1


.1


.2


.2


.3

EBITDA


66.8


16.9


74.2


76.8


106.4












Exclude:











Net realized and unrealized investment

(gains) losses


(54.5)


(.8)


(48.0)


(44.8)


(48.1)

Non-cash equity-based compensation

expense






.3

Transaction expenses


.1


.1


.1



1.6

Adjusted EBITDA


$ 12.4


$ 16.2


$ 26.3


$ 32.0


$ 60.2












Adjustment to annualize partial year revenues from participation contracts acquired

5.1

Adjustment to remove partial year revenues from participation contracts sold

Annualized adjusted EBITDA










$ 65.3












GAAP net investment income (1)










$ 72.5

Adjustment to annualize partial year revenues from participation contracts acquired

5.1

Adjustment to remove partial year revenues from participation contracts sold

Annualized revenue










$ 77.6












Net equity capital drawn










$ 481.2

Debt capital drawn










253.3

Total net capital drawn and invested (2)










$ 734.5












GAAP net investment income

revenue yield










9.9%












Cash revenue yield










10.6%












Return on equity










7.8%

(1)

Net investment income includes revenues from participation contracts and income from short-term and other long-term investments.

(2)

Total net capital drawn represents equity and debt capital drawn and invested less cumulative distributions.

WHITE MOUNTAINS INSURANCE GROUP,LTD.

SELECTED FINANCIAL DATA (CONTINUED)

(millions)

(Unaudited)




Three Months Ended June 30,


Six Months Ended June 30,

Kudu


2025


2024


2025


2024

Beginning balance of Kudu's participation contracts (1)


$ 1,120.4


$ 884.2


$ 1,008.4


$ 890.5

Contributions to participation contracts


.2


.2


68.2


0.2

Proceeds from participation contracts sold (2)



(37.5)



(37.5)

Net realized and unrealized investment gains (losses) on

participation contracts sold and pending sale(3)


9.1


(3.2)


9.1


(6.3)

Net unrealized investment gains (losses) on participation

contracts - all other (4)


(8.6)


57.6


35.4


54.4

Ending balance of Kudu's participation contracts (5)


$ 1,121.1


$ 901.3


$ 1,121.1


$ 901.3

(1)

As of March 31, 2025, March 31, 2024, December 31, 2024 and December 31, 2023,Kudu's other long-term investments also include $5.8, $5.7, $5.6 and $5.8 related to a private debt instrument.

(2)

Includes $28.1 of proceeds receivable from participation contracts sold during the three and six months ended June 30, 2024.

(3)

Includes net realized and unrealized investment gains (losses) recognized from participation contracts beginning in the quarter a contract is classified as pending sale.

(4)

Includes net unrealized investment gains (losses) recognized from (i) ongoing participation contracts and (ii) participation contracts prior to classification as pending sale.

(5)

As of June 30, 2025 and June 30, 2024,Kudu's other long-term investments also include $6.1 and $5.8 related to a private debt instrument.

WHITE MOUNTAINS INSURANCE GROUP,LTD.

SELECTED FINANCIAL DATA (CONTINUED)

(millions)

(Unaudited)


Bamboo

Three Months
Ended June 30,
2024


Three Months
Ended June 30,
2025


Six Months
Ended June 30,
2024


Six Months
Ended June 30,
2025


Twelve Months
Ended June 30,
2025

Commission and fee revenues

$ 32.7


$ 59.1


$ 54.6


$ 103.3


$ 183.3

Earned insurance premiums

8.0


1.6


16.4


16.5


39.5

Other revenues

1.3


1.8


2.1


4.1


7.8

Total revenues

42.0


62.5


73.1


123.9


230.6

Broker commission expenses

12.7


19.8


22.0


35.3


64.6

Loss and loss adjustment expenses

4.3


1.7


10.1


12.6


23.1

Acquisition expenses

2.9


(.6)


6.0


6.0


14.1

General and administrative expenses

15.7


22.6


27.7


42.6


76.0

Interest expense


2.9



5.0


5.0

Total expenses

35.6


46.4


65.8


101.5


182.8

GAAP pre-tax income (loss)

6.4


16.1


7.3


22.4


47.8

Income tax (expense) benefit

(2.2)


(3.2)


(1.5)


(7.6)


(13.0)

GAAP net income (loss)

4.2


12.9


5.8


14.8


34.8











Exclude:










Net (income) loss, Bamboo captive

(.4)


(1.1)



2.8


1.8

MGA net income (loss)

3.8


11.8


5.8


17.6


36.6











Add back:










Interest expense


2.9



5.0


5.0

Income tax expense (benefit)

2.2


3.2


1.5


7.6


13.0

Depreciation expense


.3



.5


.8

Amortization of other intangible assets

4.3


4.0


8.5


8.0


15.9

MGA EBITDA

10.3


22.2


15.8


38.7


71.3











Exclude:










Non-cash equity-based compensation expense

.3


2.3


.6


3.1


4.1

Software implementation expenses

.4


1.0


.9


1.9


2.9

Restructuring expenses

.5


.1


.6


1.8


2.0

MGA adjusted EBITDA

$ 11.5


$ 25.6


$ 17.9


$ 45.5


$ 80.3

Regulation G

This earnings release includes non-GAAP financial measures that have been reconciled from their most comparable GAAP financial measures.

  • Kudu's EBITDA, adjusted EBITDA, annualized adjusted EBITDA, annualized revenue and cash revenue yield are non-GAAP financial measures.

    EBITDA is a non-GAAP financial measure that adds back interest expense on debt, income tax (expense) benefit, depreciation and amortization of other intangible assets to GAAP net income (loss).

    Adjusted EBITDA is a non-GAAP financial measure that excludes certain other items in GAAP net income (loss) in addition to those added back to calculate EBITDA. The items relate to (i) net realized and unrealized investment gains (losses) on Kudu's revenue and earnings participation contracts, (ii) non-cash equity-based compensation expense and (iii) transaction expenses. A description of each item follows:
    • Net realized and unrealized investment gains (losses)- Represents net unrealized investment gains and losses recorded on Kudu's revenue and earnings participation contracts, which are recorded at fair value under GAAP, and realized investment gains and losses from participation contracts sold during the period.
    • Non-cash equity-based compensation expense- Represents non-cash expenses related to Kudu's management compensation that are settled with equity units in Kudu.
    • Transaction expenses- Represents costs directly related to Kudu's mergers and acquisitions activity, such as external lawyer, banker, consulting and placement agent fees, which are not capitalized and are expensed under GAAP.

Annualized adjusted EBITDA is a non-GAAP financial measure that (i) annualizes partial year revenues related toKudu's revenue and earnings participation contracts acquired during the previous 12-month period and (ii) removes partial year revenues related to revenue and earnings participation contracts sold during the previous 12-month period.

Annualized revenue is a non-GAAP financial measure that adds the adjustments for annualized adjusted EBITDA to GAAP net investment income.

Cash revenue yield is a non-GAAP financial measure that is derived using annualized revenue as a percentage of total net capital drawn and invested. The most directly comparable GAAP financial measure is net investment income revenue yield, which is derived using GAAP net investment income as a percentage of total net capital drawn and invested.

White Mountains believes that these non-GAAP financial measures are useful to management and investors in evaluating Kudu's performance. White Mountains also believes that annualized adjusted EBITDA is useful to management and investors in understanding the full earnings profile of Kudu's business as of the end of any 12-month period. See page 19 for the reconciliation of Kudu's GAAP net income (loss) to EBITDA, adjusted EBITDA and annualized adjusted EBITDA, and the reconciliation of Kudu's GAAP net investment income to annualized revenue.

  • Bamboo's MGA pre-tax income (loss), MGA net income (loss), MGA EBITDA and MGA adjusted EBITDA are non-GAAP financial measures.

MGA pre-tax income (loss) and MGA net income (loss) are non-GAAP financial measures that exclude the results of the Bamboo captive, which is consolidated under GAAP, from Bamboo's consolidated GAAP pre-tax income (loss) and net income (loss).

The following table presents the reconciliation from Bamboo's consolidated GAAP pre-tax income (loss) to MGA pre-tax income (loss):



Three Months Ended June 30,


Six Months Ended June 30,

Millions


2025


2024


2025


2024

Bamboo's consolidated GAAP pre-tax income (loss)


$ 16.1


$ 6.4


$ 22.4


$ 7.3

Remove pre-tax (income) loss, Bamboo captive


(1.1)


(.4)


2.8


MGA pre-tax income (loss)


$ 15.0


$ 6.0


$ 25.2


$ 7.3

MGA EBITDA is a non-GAAP financial measure that adds back interest expense on debt, income tax (expense) benefit, depreciation and amortization of other intangible assets to MGA net income (loss).

MGA adjusted EBITDA is a non-GAAP financial measure that excludes certain other items in GAAP net income (loss) in addition to those added back to calculate MGA EBITDA. The items relate to (i) non-cash equity-based compensation expense, (ii) software implementation expenses and (iii) restructuring expenses. A description of each item follows:

    • Non-cash equity-based compensation expense- Represents non-cash expenses related to Bamboo's management compensation that are settled with equity units in Bamboo.
    • Software implementation expenses- Represents costs directly related to Bamboo's implementation of new software.
    • Restructuring expenses- Represents costs directly related to Bamboo's corporate restructuring and capital planning activities.

White Mountains believes that these non-GAAP financial measures are useful to management and investors in evaluating Bamboo's performance. See page 21 for the reconciliation of Bamboo's consolidated GAAP net income (loss) to MGA net income (loss), MGA EBITDA and MGA adjusted EBITDA.

  • Total consolidated portfolio return excluding MediaAlpha and total equity portfolio return excluding MediaAlpha are non-GAAP financial measures that remove the net investment income and net realized and unrealized investment gains (losses) from White Mountains's investment in MediaAlpha. White Mountains believes these measures to be useful to management and investors by showing the underlying performance of White Mountains's investment portfolio and equity portfolio without regard to White Mountains's investment in MediaAlpha. The following tables present reconciliations from GAAP to the reported percentages:


Three Months Ended June 30,


Six Months Ended June 30,



2025


2024


2025


2024

Total consolidated portfolio return


2.7%


(0.1)%


4.5%


4.5%

Remove MediaAlpha


(0.4)


2.3


0.2


(1.0)

Total consolidated portfolio return excluding MediaAlpha


2.3%


2.2%


4.7%


3.5%



Three Months Ended
June 30, 2025

Total equity portfolio return


4.2%

Remove MediaAlpha


(0.8)

Total equity portfolio return excluding MediaAlpha


3.4%

Safe Harbor Statement under the Private Securities Litigation Reform Act of 1995

This earnings release may contain "forward-looking statements" within the meaning of Section27A of the Securities Act of 1933 and Section21E of the Securities Exchange Act of 1934. All statements, other than statements of historical facts, included or referenced in this release which address activities, events or developments which White Mountains expects or anticipates will or may occur in the future are forward-looking statements. The words "could", "will", "believe", "intend", "expect", "anticipate", "project", "estimate", "predict" and similar expressions are also intended to identify forward-looking statements. These forward-looking statements include, among others, statements with respect to White Mountains's:

  • change in book value per share or return on equity;
  • business strategy;
  • financial and operating targets or plans;
  • incurred loss and loss adjustment expenses and the adequacy of its loss and loss adjustment expense reserves and related reinsurance;
  • projections of revenues, income (or loss), earnings (or loss) per share, EBITDA, adjusted EBITDA, dividends, market share or other financial forecasts of White Mountains or its businesses;
  • expansion and growth of its business and operations; and
  • future capital expenditures.

These statements are based on certain assumptions and analyses made by White Mountains in light of its experience and perception of historical trends, current conditions and expected future developments, as well as other factors believed to be appropriate in the circumstances. However, whether actual results and developments will conform to its expectations and predictions is subject to risks and uncertainties that could cause actual results to differ materially from expectations, including:

  • the risks that are described from time to time in White Mountains's filings with the Securities and Exchange Commission, including but not limited to White Mountains's 2024 Annual Report on Form 10-K;
  • claims arising from catastrophic events, such as hurricanes, windstorms, earthquakes, floods, wildfires, tornadoes, tsunamis, severe weather, public health crises, terrorist attacks, war and war-like actions, explosions, infrastructure failures or cyber attacks;
  • recorded loss reserves subsequently proving to have been inadequate;
  • the market value of White Mountains's investment in MediaAlpha;
  • business opportunities (or lack thereof) that may be presented to it and pursued;
  • actions taken by rating agencies, such as financial strength or credit ratings downgrades or placing ratings on negative watch;
  • the continued availability of capital and financing;
  • the continued availability of fronting and reinsurance capacity;
  • deterioration of general economic, market or business conditions, including due to outbreaks of contagious disease and corresponding mitigation efforts;
  • competitive forces, including the conduct of other insurers;
  • changes in domestic or foreign laws or regulations, or their interpretation, applicable to White Mountains, its competitors or its customers; and
  • other factors, most of which are beyond White Mountains's control.

Consequently, all of the forward-looking statements made in this earnings release are qualified by these cautionary statements, and there can be no assurance that the actual results or developments anticipated by White Mountains will be realized or, even if substantially realized, that they will have the expected consequences to, or effects on, White Mountains or its business or operations. White Mountains assumes no obligation to publicly update any such forward-looking statements, whether as a result of new information, future events or otherwise.

Cision View original content:

SOURCE White Mountains Insurance Group, Ltd.

FAQ

What was White Mountains Insurance Group's (WTM) book value per share in Q2 2025?

White Mountains reported a book value per share of $1,804 as of June 30, 2025, representing a 3% increase for both Q2 2025 and the first six months of 2025, including dividends.

How did Ark perform in Q2 2025 compared to Q2 2024?

Ark achieved an 85% combined ratio in Q2 2025 (improved from 89% in Q2 2024) and generated $815 million in gross written premiums, a 17% increase year-over-year.

What was WTM's comprehensive income for Q2 2025?

White Mountains reported comprehensive income of $124 million in Q2 2025, compared to a loss of $55 million in Q2 2024.

How much undeployed capital does White Mountains have after recent acquisitions?

After the acquisitions of Distinguished Programs and BroadStreet Partners, White Mountains has approximately $300 million in undeployed capital.

What was the impact of MediaAlpha on WTM's Q2 2025 results?

MediaAlpha's share price increased 19% in Q2 2025, resulting in a $31 million mark-to-market gain for White Mountains. Each $1.00 change in MediaAlpha's share price affects WTM's book value by approximately $7.00 per share.
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