KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC - 31 Dec 2025 SCHEDULE 13G/A Report for OneStream Inc Onestream Ord Shs Class A (OS)

Filing Manager: KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC
Reporting Manager: Kayne Anderson Rudnick Investment Management, LLC
Security: OneStream Inc Onestream Ord Shs Class A
Symbol: OS
Shares outstanding: 90,142,352 shares
Disclosed Ownership: 4,867,687 shares
Ownership: 5.4%
Form type: SCHEDULE 13G/A
Filing time: 13 Feb 2026, 16:05:29 UTC
Date of event: 31 Dec 2025
Previous filing: 13 Nov 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Kayne Anderson Rudnick Investment Management, LLC	5.4%	4,867,687	1,850,809	2,924,070	/s/Michael Shoemaker	Chief Compliance Officer