BlackRock, Inc. - 31 Dec 2024 SCHEDULE 13G/A Report for Altair Engineering Inc Common Stock (ALTR)

Filing Manager: BlackRock, Inc.
Reporting Manager: BlackRock, Inc.
Security: Altair Engineering Inc Common Stock
Symbol: ALTR
Shares outstanding: 59,830,848 shares
Disclosed Ownership: 7,478,856 shares
Ownership: 12.5%
Form type: SCHEDULE 13G/A
Filing time: 05 Feb 2025, 13:23:38 UTC
Date of event: 31 Dec 2024
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BlackRock, Inc.	12.5%	7,478,856	7,404,746	0	Spencer Fleming	Managing Director