CITADEL ADVISORS LLC - 31 Dec 2024 SCHEDULE 13G/A Report for ACELYRIN, Inc. Common Stock, par value $0.00001 per share (the "Shares") (SLRN)

Filing Manager
CITADEL ADVISORS LLC
Reporting Manager
Kenneth Griffin
Security
ACELYRIN, Inc. Common Stock, par value $0.00001 per share (the "Shares")
Symbol
SLRN
Shares outstanding
100,446,381 shares
Disclosed Ownership
4,218,748 shares
Ownership
4.2%
Form type
SCHEDULE 13G/A
Filing time
14 Feb 2025, 18:13:35 UTC
Date of event
31 Dec 2024
SEC
View on sec.gov

Reporting Managers (7)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Citadel Advisors LLC 4.2% 4,192,377 0 4,192,377 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Advisors Holdings LP 4.2% 4,192,377 0 4,192,377 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel GP LLC 4.2% 4,192,377 0 4,192,377 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities LLC 0% 6,832 0 6,832 /s/ Guy Miller Guy Miller, Authorized Signatory
Citadel Securities Group LP 0% 26,371 0 26,371 /s/ Guy Miller Guy Miller, Authorized Signatory
Citadel Securities GP LLC 0% 26,371 0 26,371 /s/ Guy Miller Guy Miller, Authorized Signatory
Kenneth Griffin 4.2% 4,218,748 0 4,218,748 /s/ Seth Levy Seth Levy, attorney-in-fact*