T. Rowe Price Investment Management, Inc. - Dec 31, 2024 Form SCHEDULE 13G/A Schedule Report for ACELYRIN INC (SLRN)

Filing Manager: T. Rowe Price Investment Management, Inc.
Reporting Manager: T. Rowe Price Investment Management, Inc.
Security: ACELYRIN INC COMMON STOCK
Symbol: SLRN
Shares outstanding: 101M shares
Disclosed Ownership: 12.9M shares
Ownership: 12.8%
Form type: SCHEDULE 13G/A
Date filed: 2/14/2025, 09:45 AM
Date of event: Dec 31, 2024
Next filing: Mar 7, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
T. Rowe Price Investment Management, Inc.	12.8%	12.9M	12.9M	0	Ellen York	Vice President