CITADEL ADVISORS LLC - 31 Dec 2025 SCHEDULE 13G/A Report for Sun Country Airlines Holdings, Inc. Common Stock, par value $0.01 per share (the "Shares") (SNCY)

Filing Manager
CITADEL ADVISORS LLC
Reporting Manager
Kenneth Griffin
Security
Sun Country Airlines Holdings, Inc. Common Stock, par value $0.01 per share (the "Shares")
Symbol
SNCY
Shares outstanding
52,666,529 shares
Disclosed Ownership
2,685,993 shares
Ownership
5.1%
Form type
SCHEDULE 13G/A
Filing time
17 Feb 2026, 16:39:19 UTC
Date of event
31 Dec 2025
Previous filing
19 Feb 2025
SEC
View on sec.gov

Reporting Managers (7)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Citadel Advisors LLC 5% 2,625,055 0 2,625,055 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Advisors Holdings LP 5% 2,625,055 0 2,625,055 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel GP LLC 5% 2,625,055 0 2,625,055 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities LLC 0.1% 44,001 0 44,001 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities Group LP 0.1% 60,938 0 60,938 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities GP LLC 0.1% 60,938 0 60,938 /s/ Seth Levy Seth Levy, Authorized Signatory
Kenneth Griffin 5.1% 2,685,993 0 2,685,993 /s/ Seth Levy Seth Levy, attorney-in-fact*