T. Rowe Price Investment Management, Inc. - 31 Dec 2025 SCHEDULE 13G/A Report for ONESTREAM INC COMMON STOCK (OS)

Filing Manager: T. Rowe Price Investment Management, Inc.
Reporting Manager: T. Rowe Price Investment Management, Inc.
Security: ONESTREAM INC COMMON STOCK
Symbol: OS
Shares outstanding: 90,458,291 shares
Disclosed Ownership: 7,779,413 shares
Ownership: 8.6%
Form type: SCHEDULE 13G/A
Filing time: 17 Feb 2026, 10:28:31 UTC
Date of event: 31 Dec 2025
Previous filing: 07 Feb 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.	8.6%	7,779,413	7,764,467	0	Ellen York	Vice President