Vanguard Group Inc - Jun 30, 2025 SCHEDULE 13G/A Report for Onestream Inc Common Stock (OS)

Filing Manager: VANGUARD GROUP INC
Reporting Manager: The Vanguard Group
Security: Onestream Inc Common Stock
Symbol: OS
Shares outstanding: 75.4M shares
Disclosed Ownership: 7.82M shares
Ownership: 10.4%
Form type: SCHEDULE 13G/A
Date filed: 7/7/2025, 01:20 PM
Date of event: Jun 30, 2025
Previous filing: Apr 30, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
The Vanguard Group	10.37%	7.82M	0	16.2K	Ashley Grim	Head of Global Fund Administration