Kayne Anderson Rudnick Investment Management Llc

Holdings History for OneStream, Inc. - Onestream Ord Shs Class A (OS)

Symbol: OS on Nasdaq
Investment type: Equity / Onestream Ord Shs Class A
Latest Disclosed Ownership: 6.21M shares
Security Ownership: 7%

Shares, Excluding Options vs Price

Value, Excluding Options

Kayne Anderson Rudnick Investment Management, LLC ownership in OneStream, Inc. Onestream Ord Shs Class A (OS)

2025-11-13 - Kayne Anderson Rudnick Investment Management, LLC has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 6.21M shares of OneStream, Inc. Onestream Ord Shs Class A (OS). This represents 7% percent ownership of the company. In their previous filing dated 2025-05-14, KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC had reported owning 6.2M shares, indicating an increase of 0.27% percent.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
Kayne Anderson Rudnick Investment Management, LLC	7%	-18.4%	$114M	6.21M	+16,800	+0.27%	$18.43	13G/A	9/30/2025	13 Nov 2025 16:05:17
Kayne Anderson Rudnick Investment Management, LLC	8.47%		$132M	6.2M			$21.29	13G/A	3/31/2025	14 May 2025 16:05:11

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
9/30/2025	0.28%	-0.03%	$114M	6.21M	-663,135	-9.65%	$18.43	Q3 2025
6/30/2025	0.46%	+0.03%	$195M	6.88M	+496,985	+7.79%	$28.30	Q2 2025
3/31/2025	0.33%	+0.12%	$136M	6.38M	+2,234,980		$21.34	Q1 2025
12/31/2024	0.27%	0%	$118M	4.14M	-63,159	-1.5%	$28.52	Q4 2024
9/30/2024	0.32%	+0.32%	$143M	4.21M	+4,206,309	NEW	$33.90	Q3 2024

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.