BlackRock, Inc. - 31 Mar 2025 SCHEDULE 13G/A Report for Arcellx, Inc. Common Stock (ACLX)

Filing Manager: BlackRock, Inc.
Reporting Manager: BlackRock, Inc.
Security: Arcellx, Inc. Common Stock
Symbol: ACLX
Shares outstanding: 55.1M shares
Disclosed Ownership: 3.53M shares
Ownership: 6.4%
Form type: SCHEDULE 13G/A
Filing time: 17 Apr 2025, 09:35:29 UTC
Date of event: 31 Mar 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BlackRock, Inc.	6.4%	3.53M	3.48M	0	Spencer Fleming	Managing Director