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

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

Zimmer Partners and affiliated entities report a shared beneficial ownership position of 2,225,900 shares in Sun Country Airlines Holdings, Inc. This stake represents approximately 4.2% of Sun Country's outstanding common stock, based on an outstanding share count of 53,316,378 as of 06/30/2025. The Reporting Persons—Zimmer Partners, LP; Zimmer Financial Services Group LLC; Zimmer Partners GP, LLC; and Stuart J. Zimmer—hold shared voting and shared dispositive power over the shares and report no sole voting or dispositive power. The filing is made on Schedule 13G/A and includes a certification that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control.

Zimmer Partners e società affiliate dichiarano una posizione di proprietà economica congiunta di 2.225.900 azioni di Sun Country Airlines Holdings, Inc. Questa partecipazione rappresenta circa 4,2% del capitale sociale ordinario in circolazione di Sun Country, basandosi su un totale di azioni in circolazione pari a 53.316.378 al 30/06/2025. I soggetti che presentano la comunicazione � Zimmer Partners, LP; Zimmer Financial Services Group LLC; Zimmer Partners GP, LLC; e Stuart J. Zimmer � detengono potere di voto congiunto e potere di disposizione congiunto sulle azioni e non riportano alcun potere di voto o di disposizione esclusivo. La comunicazione è presentata tramite Schedule 13G/A e include una certificazione che i titoli sono stati acquisiti e sono detenuti nell'ordinario corso dell'attività e non con l'intento di modificare o influenzare il controllo.

Zimmer Partners y entidades afiliadas informan una posición de propiedad beneficiaria compartida de 2.225.900 acciones de Sun Country Airlines Holdings, Inc. Esta participación representa aproximadamente el 4,2% del capital social ordinario en circulación de Sun Country, con base en un total de 53.316.378 acciones en circulación al 30/06/2025. Las personas informantes � Zimmer Partners, LP; Zimmer Financial Services Group LLC; Zimmer Partners GP, LLC; y Stuart J. Zimmer � tienen poder de voto compartido y poder de disposición compartido sobre las acciones y no declaran ningún poder de voto o de disposición individual. La declaración se presenta en el Schedule 13G/A e incluye una certificación de que los títulos fueron adquiridos y se mantienen en el curso ordinario del negocio y no con el propósito de cambiar o influir en el control.

Zimmer Partners � 계열사는 Sun Country Airlines Holdings, Inc.� 보통� 2,225,900주에 대� 공동 실질� 소유지위를 신고합니�. � 지분은 2025� 6� 30� 기준 발행주식� 53,316,378주를 기준으로 Sun Country� 발행 보통� � � 4.2%� 해당합니�. 신고인들—Zimmer Partners, LP; Zimmer Financial Services Group LLC; Zimmer Partners GP, LLC; � Stuart J. Zimmer—은 해당 주식� 대� 공동 의결�공동 처분�� 보유하고 있으� 단독 의결권이� 단독 처분권은 보유하지 않는다고 보고합니�. 해당 신고� Schedule 13G/A� 제출되었으며, 증권은 영업� 통상� 범위 내에� 취득되어 보유되고 있으� 지배권� 변경하거나 영향력을 행사하기 위한 목적� 아님� 인증하고 있습니다.

Zimmer Partners et entités affiliées déclarent une participation en propriété bénéficiaire conjointe de 2 225 900 actions de Sun Country Airlines Holdings, Inc. Cette participation représente environ 4,2% des actions ordinaires en circulation de Sun Country, sur la base d'un nombre d'actions en circulation de 53 316 378 au 30/06/2025. Les déclarants � Zimmer Partners, LP; Zimmer Financial Services Group LLC; Zimmer Partners GP, LLC; et Stuart J. Zimmer � détiennent un pouvoir de vote partagé et un pouvoir de disposition partagé sur ces actions et n'indiquent aucun pouvoir de vote ou de disposition exclusif. Le dépôt est effectué via le Schedule 13G/A et comprend la certification que les titres ont été acquis et sont détenus dans le cours normal des affaires et non dans le but de modifier ou d'influencer le contrôle.

Zimmer Partners und verbundene Einheiten melden eine gemeinsame wirtschaftliche Eigentumsposition von 2.225.900 Aktien an Sun Country Airlines Holdings, Inc. Diese Beteiligung entspricht etwa 4,2% des ausstehenden Stammkapitals von Sun Country, basierend auf einer ausstehenden Aktienzahl von 53.316.378 zum 30.06.2025. Die meldenden Personen � Zimmer Partners, LP; Zimmer Financial Services Group LLC; Zimmer Partners GP, LLC; und Stuart J. Zimmer � halten gemeinsames Stimmrecht und gemeinsames Verfügungsrecht über die Aktien und geben an, keine alleinigen Stimm- oder Verfügungsrechte zu besitzen. Die Meldung erfolgt auf Schedule 13G/A und enthält die Bestätigung, dass die Wertpapiere im gewöhnlichen Geschäftsgang erworben und gehalten werden und nicht zum Zweck der Änderung oder Beeinflussung der Kontrolle dienen.

Positive
  • Meaningful minority stake: Reporting Persons beneficially own 2,225,900 shares (~4.2%), a sizeable position that warrants market attention.
  • Shared voting and dispositive power: The holders disclose clear authority to vote and dispose of the reported shares, providing transparency on influence.
Negative
  • Below 5% threshold and 13G filing: The position is classified as passive and is under 5%, limiting immediate governance or control implications.

Insights

TL;DR: A 4.2% passive stake in Sun Country is notable but below 5%, signaling limited immediate control impact while meriting monitoring.

The Reporting Persons hold 2,225,900 shares (�4.2%) and report shared voting and dispositive power, with no sole control. Because this disclosure is a Schedule 13G/A and includes a certification of ordinary-course holdings, it characterizes the position as passive rather than an activist intent. For investors, the position is material enough to warrant attention but does not by itself imply a change in corporate control or governance strategy.

TL;DR: Shared voting rights without sole power and a 13G/A filing indicate a coordinated but non-controlling minority stake.

The filing lists multiple related entities and an individual as Reporting Persons and classifies them with reporting codes shown in the statement. All Reporting Persons report shared voting and dispositive power of the same 2,225,900 shares, and the filing explicitly states the holdings were not acquired to influence control. From a governance perspective, this stake creates potential for engagement but, given the passive certification and sub-5% size, it does not constitute a control position under typical thresholds.

Zimmer Partners e società affiliate dichiarano una posizione di proprietà economica congiunta di 2.225.900 azioni di Sun Country Airlines Holdings, Inc. Questa partecipazione rappresenta circa 4,2% del capitale sociale ordinario in circolazione di Sun Country, basandosi su un totale di azioni in circolazione pari a 53.316.378 al 30/06/2025. I soggetti che presentano la comunicazione � Zimmer Partners, LP; Zimmer Financial Services Group LLC; Zimmer Partners GP, LLC; e Stuart J. Zimmer � detengono potere di voto congiunto e potere di disposizione congiunto sulle azioni e non riportano alcun potere di voto o di disposizione esclusivo. La comunicazione è presentata tramite Schedule 13G/A e include una certificazione che i titoli sono stati acquisiti e sono detenuti nell'ordinario corso dell'attività e non con l'intento di modificare o influenzare il controllo.

Zimmer Partners y entidades afiliadas informan una posición de propiedad beneficiaria compartida de 2.225.900 acciones de Sun Country Airlines Holdings, Inc. Esta participación representa aproximadamente el 4,2% del capital social ordinario en circulación de Sun Country, con base en un total de 53.316.378 acciones en circulación al 30/06/2025. Las personas informantes � Zimmer Partners, LP; Zimmer Financial Services Group LLC; Zimmer Partners GP, LLC; y Stuart J. Zimmer � tienen poder de voto compartido y poder de disposición compartido sobre las acciones y no declaran ningún poder de voto o de disposición individual. La declaración se presenta en el Schedule 13G/A e incluye una certificación de que los títulos fueron adquiridos y se mantienen en el curso ordinario del negocio y no con el propósito de cambiar o influir en el control.

Zimmer Partners � 계열사는 Sun Country Airlines Holdings, Inc.� 보통� 2,225,900주에 대� 공동 실질� 소유지위를 신고합니�. � 지분은 2025� 6� 30� 기준 발행주식� 53,316,378주를 기준으로 Sun Country� 발행 보통� � � 4.2%� 해당합니�. 신고인들—Zimmer Partners, LP; Zimmer Financial Services Group LLC; Zimmer Partners GP, LLC; � Stuart J. Zimmer—은 해당 주식� 대� 공동 의결�공동 처분�� 보유하고 있으� 단독 의결권이� 단독 처분권은 보유하지 않는다고 보고합니�. 해당 신고� Schedule 13G/A� 제출되었으며, 증권은 영업� 통상� 범위 내에� 취득되어 보유되고 있으� 지배권� 변경하거나 영향력을 행사하기 위한 목적� 아님� 인증하고 있습니다.

Zimmer Partners et entités affiliées déclarent une participation en propriété bénéficiaire conjointe de 2 225 900 actions de Sun Country Airlines Holdings, Inc. Cette participation représente environ 4,2% des actions ordinaires en circulation de Sun Country, sur la base d'un nombre d'actions en circulation de 53 316 378 au 30/06/2025. Les déclarants � Zimmer Partners, LP; Zimmer Financial Services Group LLC; Zimmer Partners GP, LLC; et Stuart J. Zimmer � détiennent un pouvoir de vote partagé et un pouvoir de disposition partagé sur ces actions et n'indiquent aucun pouvoir de vote ou de disposition exclusif. Le dépôt est effectué via le Schedule 13G/A et comprend la certification que les titres ont été acquis et sont détenus dans le cours normal des affaires et non dans le but de modifier ou d'influencer le contrôle.

Zimmer Partners und verbundene Einheiten melden eine gemeinsame wirtschaftliche Eigentumsposition von 2.225.900 Aktien an Sun Country Airlines Holdings, Inc. Diese Beteiligung entspricht etwa 4,2% des ausstehenden Stammkapitals von Sun Country, basierend auf einer ausstehenden Aktienzahl von 53.316.378 zum 30.06.2025. Die meldenden Personen � Zimmer Partners, LP; Zimmer Financial Services Group LLC; Zimmer Partners GP, LLC; und Stuart J. Zimmer � halten gemeinsames Stimmrecht und gemeinsames Verfügungsrecht über die Aktien und geben an, keine alleinigen Stimm- oder Verfügungsrechte zu besitzen. Die Meldung erfolgt auf Schedule 13G/A und enthält die Bestätigung, dass die Wertpapiere im gewöhnlichen Geschäftsgang erworben und gehalten werden und nicht zum Zweck der Änderung oder Beeinflussung der Kontrolle dienen.






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





SCHEDULE 13G





SCHEDULE 13G





SCHEDULE 13G



Zimmer Partners, LP
Signature:/s/ Jelena Napolitano
Name/Title:Jelena Napolitano/ Authorized Person
Date:08/14/2025
Zimmer Financial Services Group LLC
Signature:/s/ Stuart J. Zimmer
Name/Title:Stuart J. Zimmer / Director
Date:08/14/2025
Zimmer Partners GP, LLC
Signature:/s/ Stuart J. Zimmer
Name/Title:Stuart J. Zimmer/ Director, Zimmer Financial Services Group LLC, its Managing Member
Date:08/14/2025
Stuart J. Zimmer
Signature:/s/ Stuart J. Zimmer
Name/Title:Stuart J. Zimmer / Self
Date:08/14/2025

FAQ

How many Sun Country (SNCY) shares do Zimmer Partners and affiliates beneficially own?

The Reporting Persons beneficially own 2,225,900 shares of Sun Country common stock.

What percentage of SNCY does this stake represent?

The reported position represents approximately 4.2% of Sun Country's outstanding common stock.

Do the Reporting Persons have sole voting or dispositive power over the shares?

No. The Reporting Persons report 0 sole voting power and 0 sole dispositive power; they report shared voting and shared dispositive power for all 2,225,900 shares.

Was this stake reported as an attempt to influence control of Sun Country (SNCY)?

The filing includes a certification that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control.

Which entities are the Reporting Persons named in the Schedule 13G/A for SNCY?

The Reporting Persons are Zimmer Partners, LP, Zimmer Financial Services Group LLC, Zimmer Partners GP, LLC, and Stuart J. Zimmer.
Sun Country Airlines Holdings, Inc.

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