T. Rowe Price Investment Management, Inc. - Feb 28, 2025 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: 4.65M shares
Ownership: 4.6%
Form type: SCHEDULE 13G/A
Date filed: 3/7/2025, 12:49 PM
Date of event: Feb 28, 2025
Previous filing: Feb 14, 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.	4.6%	4.65M	4.65M	0	Ellen York	Vice President