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[SCHEDULE 13G] Sun Country Airlines Holdings, Inc. SEC Filing

Filing Impact
(Low)
Filing Sentiment
(Neutral)
Form Type
SCHEDULE 13G
Rhea-AI Filing Summary

Frontier Capital Management Co., LLC filed a Schedule 13G reporting it beneficially owns 3,533,617 shares of Sun Country Airlines Holdings, Inc. common stock (CUSIP 866683105), representing 6.64% of the class as of the reporting event date 06/30/2025. The filing shows Frontier Capital has no sole voting or dispositive power, shared voting power of 1,632,086 shares, and shared dispositive power over all 3,533,617 shares. The reporting person is identified as an investment adviser organized in Delaware with a principal office at 99 Summer Street, Boston, MA.

The filing incorporates a certification that the securities are held in the ordinary course of business and were not acquired to change or influence control of the issuer. Other procedural items in the statement are marked not applicable.

Frontier Capital Management Co., LLC ha depositato uno Schedule 13G indicando di detenere beneficiariamente 3.533.617 azioni ordinarie di Sun Country Airlines Holdings, Inc. (CUSIP 866683105), pari al 6,64% della classe alla data dell'evento di segnalazione 30/06/2025. Il deposito mostra che Frontier Capital non ha potere esclusivo di voto o di disposizione, possiede potere di voto condiviso su 1.632.086 azioni e potere di disposizione condiviso su tutte le 3.533.617 azioni. La persona segnalante è identificata come un consulente per gli investimenti costituito nel Delaware con sede principale in 99 Summer Street, Boston, MA.

Il deposito include una certificazione che i titoli sono detenuti nell'ordinaria attività di business e non sono stati acquisiti per modificare o influenzare il controllo dell'emittente. Altri elementi procedurali nella dichiarazione sono contrassegnati come non applicabili.

Frontier Capital Management Co., LLC presentó un Schedule 13G informando que posee beneficiariamente 3.533.617 acciones ordinarias de Sun Country Airlines Holdings, Inc. (CUSIP 866683105), que representan el 6,64% de la clase a la fecha del evento de reporte 30/06/2025. La presentación muestra que Frontier Capital no tiene poder exclusivo de voto ni de disposición, tiene poder de voto compartido sobre 1.632.086 acciones y poder de disposición compartido sobre las 3.533.617 acciones. La persona informante se identifica como un asesor de inversiones constituido en Delaware con oficina principal en 99 Summer Street, Boston, MA.

El documento incorpora una certificación de que los valores se mantienen en el curso ordinario del negocio y no fueron adquiridos para cambiar o influir en el control del emisor. Otros puntos procedimentales en la declaración se marcan como no aplicables.

Frontier Capital Management Co., LLCëŠ� Schedule 13Gë¥� 제출하여 Sun Country Airlines Holdings, Inc.(CUSIP 866683105)ì� 보통ì£� 3,533,617ì£�ë¥� 실질ì ìœ¼ë¡� 보유하고 있ìŒì� 보고했으ë©�, ì´ëŠ” ë³´ê³  사건ì¼ìž 2025-06-30 기준 ì´ì£¼ì‹ì˜ 6.64%ì—� 해당합니ë‹�. 제출서류ì—� 따르ë©� Frontier Capitalì€ ë‹¨ë… ì˜ê²°ê¶� ë˜ëŠ” ì²˜ë¶„ê¶Œì´ ì—†ê³ , 1,632,086ì£¼ì— ëŒ€í•� ê³µë™ ì˜ê²°ê¶�ì� 보유하며, 모든 3,533,617ì£¼ì— ëŒ€í•� ê³µë™ ì²˜ë¶„ê¶�ì� 가지ê³� 있습니다. ë³´ê³ ì¸ì€ ë¸ë¼ì›¨ì–´ì—� 설립ë� 투ìžìžë¬¸ì‚¬ë¡œ 본사가 매사추세츠주 보스í„� 99 Summer Streetì—� 있습니다.

서류ì—는 해당 ì¦ê¶Œì� ì˜ì—…ìƒì˜ 통ìƒì ì¸ 과정ì—서 보유ë˜ê³  있으ë©� 발행회사ì� 지배권ì� 변경하거나 ì˜í–¥ë ¥ì„ 행사하기 위해 ì·¨ë“ë� ê²ƒì´ ì•„ë‹˜ì� ì¸ì¦í•˜ëŠ” ë‚´ìš©ì� í¬í•¨ë˜ì–´ 있습니다. ì§„ìˆ ì„œì˜ ê¸°íƒ€ 절차 ê´€ë � í•­ëª©ì€ í•´ë‹¹ ì—†ìŒìœ¼ë¡œ 표시ë˜ì–´ 있습니다.

Frontier Capital Management Co., LLC a déposé un Schedule 13G déclarant qu'elle détient à titre bénéficiaire 3 533 617 actions ordinaires de Sun Country Airlines Holdings, Inc. (CUSIP 866683105), représentant 6,64 % de la catégorie à la date de l'événement déclaré le 30/06/2025. Le dépôt indique que Frontier Capital n'a aucun pouvoir exclusif de vote ni de disposition, dispose d'un pouvoir de vote partagé sur 1 632 086 actions et d'un pouvoir de disposition partagé sur l'ensemble des 3 533 617 actions. La personne déclarée est identifiée comme un conseiller en investissement constitué dans le Delaware, dont le bureau principal est situé au 99 Summer Street, Boston (MA).

Le dépôt comprend une certification selon laquelle les titres sont détenus dans le cours normal des affaires et n'ont pas été acquis dans le but de modifier ou d'influencer le contrôle de l'émetteur. D'autres éléments procéduraux de la déclaration sont indiqués comme non applicables.

Frontier Capital Management Co., LLC reichte ein Schedule 13G ein und gab an, wirtschaftlich 3.533.617 Aktien der Stammaktien von Sun Country Airlines Holdings, Inc. (CUSIP 866683105) zu besitzen, was zum Meldedatum 30.06.2025 6,64% der Klasse entspricht. Aus der Einreichung geht hervor, dass Frontier Capital keine alleinige Stimm- oder Verfügungsgewalt hat, über gemeinsame Stimmrechte für 1.632.086 Aktien verfügt und gemeinsame Verfügungsgewalt über alle 3.533.617 Aktien besitzt. Die meldende Person wird als Investmentberater mit Sitz in Delaware und Hauptniederlassung in 99 Summer Street, Boston, MA, angegeben.

Die Einreichung enthält eine Bestätigung, dass die Wertpapiere im gewöhnlichen Geschäftsverlauf gehalten werden und nicht zum Zweck eines Wechsels oder der Beeinflussung der Kontrolle des Emittenten erworben wurden. Weitere Verfahrenspunkte in der Erklärung sind als nicht zutreffend markiert.

Positive
  • Material disclosure: Frontier Capital reports beneficial ownership of 3,533,617 shares (6.64%), meeting SEC transparency thresholds
  • Passive classification: Reporting person identified as an investment adviser (IA) and certified holdings are in the ordinary course of business
  • Clear voting/dispositive split: Filing specifies 0 sole voting/dispositive power and shared voting power of 1,632,086, clarifying control intent
Negative
  • None.

Insights

TL;DR: Frontier Capital holds a material passive stake of 6.64% in Sun Country, signaling a notable institutional position without an intent to seek control.

Frontier's reported 3,533,617-share position exceeds the 5% reporting threshold, which is material for market disclosure and investor awareness. The split between shared voting power (1,632,086) and full shared dispositive power indicates the adviser can influence sell/buy decisions but is not claiming sole control. Classification as an investment adviser (IA) and the included certification point to ordinary-course, non-activist behavior; however, a passive 6.64% stake can still matter for liquidity and block trade dynamics in SNCY stock.

TL;DR: This Schedule 13G is a routine disclosure of a significant passive holding with no declared intent to alter control.

The filing explicitly states the position was not acquired to change or influence control and the reporting person is an IA, which aligns with Schedule 13G usage for passive investors. From a governance perspective, the absence of sole voting or dispositive power reduces immediate takeover concerns. Still, a >5% holder merits monitoring for any future Schedule 13D amendments or evidence of coordination with other holders that could change the governance landscape.

Frontier Capital Management Co., LLC ha depositato uno Schedule 13G indicando di detenere beneficiariamente 3.533.617 azioni ordinarie di Sun Country Airlines Holdings, Inc. (CUSIP 866683105), pari al 6,64% della classe alla data dell'evento di segnalazione 30/06/2025. Il deposito mostra che Frontier Capital non ha potere esclusivo di voto o di disposizione, possiede potere di voto condiviso su 1.632.086 azioni e potere di disposizione condiviso su tutte le 3.533.617 azioni. La persona segnalante è identificata come un consulente per gli investimenti costituito nel Delaware con sede principale in 99 Summer Street, Boston, MA.

Il deposito include una certificazione che i titoli sono detenuti nell'ordinaria attività di business e non sono stati acquisiti per modificare o influenzare il controllo dell'emittente. Altri elementi procedurali nella dichiarazione sono contrassegnati come non applicabili.

Frontier Capital Management Co., LLC presentó un Schedule 13G informando que posee beneficiariamente 3.533.617 acciones ordinarias de Sun Country Airlines Holdings, Inc. (CUSIP 866683105), que representan el 6,64% de la clase a la fecha del evento de reporte 30/06/2025. La presentación muestra que Frontier Capital no tiene poder exclusivo de voto ni de disposición, tiene poder de voto compartido sobre 1.632.086 acciones y poder de disposición compartido sobre las 3.533.617 acciones. La persona informante se identifica como un asesor de inversiones constituido en Delaware con oficina principal en 99 Summer Street, Boston, MA.

El documento incorpora una certificación de que los valores se mantienen en el curso ordinario del negocio y no fueron adquiridos para cambiar o influir en el control del emisor. Otros puntos procedimentales en la declaración se marcan como no aplicables.

Frontier Capital Management Co., LLCëŠ� Schedule 13Gë¥� 제출하여 Sun Country Airlines Holdings, Inc.(CUSIP 866683105)ì� 보통ì£� 3,533,617ì£�ë¥� 실질ì ìœ¼ë¡� 보유하고 있ìŒì� 보고했으ë©�, ì´ëŠ” ë³´ê³  사건ì¼ìž 2025-06-30 기준 ì´ì£¼ì‹ì˜ 6.64%ì—� 해당합니ë‹�. 제출서류ì—� 따르ë©� Frontier Capitalì€ ë‹¨ë… ì˜ê²°ê¶� ë˜ëŠ” ì²˜ë¶„ê¶Œì´ ì—†ê³ , 1,632,086ì£¼ì— ëŒ€í•� ê³µë™ ì˜ê²°ê¶�ì� 보유하며, 모든 3,533,617ì£¼ì— ëŒ€í•� ê³µë™ ì²˜ë¶„ê¶�ì� 가지ê³� 있습니다. ë³´ê³ ì¸ì€ ë¸ë¼ì›¨ì–´ì—� 설립ë� 투ìžìžë¬¸ì‚¬ë¡œ 본사가 매사추세츠주 보스í„� 99 Summer Streetì—� 있습니다.

서류ì—는 해당 ì¦ê¶Œì� ì˜ì—…ìƒì˜ 통ìƒì ì¸ 과정ì—서 보유ë˜ê³  있으ë©� 발행회사ì� 지배권ì� 변경하거나 ì˜í–¥ë ¥ì„ 행사하기 위해 ì·¨ë“ë� ê²ƒì´ ì•„ë‹˜ì� ì¸ì¦í•˜ëŠ” ë‚´ìš©ì� í¬í•¨ë˜ì–´ 있습니다. ì§„ìˆ ì„œì˜ ê¸°íƒ€ 절차 ê´€ë � í•­ëª©ì€ í•´ë‹¹ ì—†ìŒìœ¼ë¡œ 표시ë˜ì–´ 있습니다.

Frontier Capital Management Co., LLC a déposé un Schedule 13G déclarant qu'elle détient à titre bénéficiaire 3 533 617 actions ordinaires de Sun Country Airlines Holdings, Inc. (CUSIP 866683105), représentant 6,64 % de la catégorie à la date de l'événement déclaré le 30/06/2025. Le dépôt indique que Frontier Capital n'a aucun pouvoir exclusif de vote ni de disposition, dispose d'un pouvoir de vote partagé sur 1 632 086 actions et d'un pouvoir de disposition partagé sur l'ensemble des 3 533 617 actions. La personne déclarée est identifiée comme un conseiller en investissement constitué dans le Delaware, dont le bureau principal est situé au 99 Summer Street, Boston (MA).

Le dépôt comprend une certification selon laquelle les titres sont détenus dans le cours normal des affaires et n'ont pas été acquis dans le but de modifier ou d'influencer le contrôle de l'émetteur. D'autres éléments procéduraux de la déclaration sont indiqués comme non applicables.

Frontier Capital Management Co., LLC reichte ein Schedule 13G ein und gab an, wirtschaftlich 3.533.617 Aktien der Stammaktien von Sun Country Airlines Holdings, Inc. (CUSIP 866683105) zu besitzen, was zum Meldedatum 30.06.2025 6,64% der Klasse entspricht. Aus der Einreichung geht hervor, dass Frontier Capital keine alleinige Stimm- oder Verfügungsgewalt hat, über gemeinsame Stimmrechte für 1.632.086 Aktien verfügt und gemeinsame Verfügungsgewalt über alle 3.533.617 Aktien besitzt. Die meldende Person wird als Investmentberater mit Sitz in Delaware und Hauptniederlassung in 99 Summer Street, Boston, MA, angegeben.

Die Einreichung enthält eine Bestätigung, dass die Wertpapiere im gewöhnlichen Geschäftsverlauf gehalten werden und nicht zum Zweck eines Wechsels oder der Beeinflussung der Kontrolle des Emittenten erworben wurden. Weitere Verfahrenspunkte in der Erklärung sind als nicht zutreffend markiert.






Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)






SCHEDULE 13G





SCHEDULE 13G



FRONTIER CAPITAL MANAGEMENT CO.,LLC
Signature:Robert E. Phay
Name/Title:Robert E. Phay, Chief Compliance Officer & General Counsel
Date:08/14/2025

FAQ

How many Sun Country (SNCY) shares does Frontier Capital own?

Frontier Capital beneficially owns 3,533,617 shares of Sun Country common stock according to the filing.

What percentage of SNCY does Frontier Capital hold?

The filing reports a 6.64% ownership stake in Sun Country's common stock.

Does Frontier Capital have sole voting or dispositive power over SNCY shares?

No. The filing shows 0 sole voting power and 0 sole dispositive power; voting and dispositive powers are reported as shared.

What shared voting and dispositive powers are reported?

Frontier reports shared voting power of 1,632,086 shares and shared dispositive power over 3,533,617 shares.

When is the event date and who is the reporting person?

The event date is 06/30/2025 and the reporting person is Frontier Capital Management Co., LLC.

Does the filing indicate intent to influence control of Sun Country?

The certification states the securities are held in the ordinary course of business and were not acquired to change or influence control of the issuer.
Sun Country Airlines Holdings, Inc.

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