KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC

Holdings History for OneStream, Inc. - COMMON STOCK (OS)

Symbol: OS on Nasdaq
Investment type: Equity / COMMON STOCK
Latest Disclosed Shares Owned: 4,867,687 shares
Security Ownership %: 5.4%

Shares, Excluding Options vs Price

Value, Excluding Options

Kayne Anderson Rudnick Investment Management, LLC ownership in OneStream, Inc. COMMON STOCK (OS)

13 Feb 2026 - Kayne Anderson Rudnick Investment Management, LLC has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 4,867,687 shares of OneStream, Inc. COMMON STOCK (OS). This represents 5.4% ownership of the company. In their previous filing dated 13 Nov 2025, KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC had reported owning 6,211,980 shares, indicating a decrease of +22%. .

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
Kayne Anderson Rudnick Investment Management, LLC	5.4%	-23%	$114,974,767	4,867,687	-1,344,293	-22%	$23.62	13G/A	31 Dec 2025	13 Feb 2026, 16:05
Kayne Anderson Rudnick Investment Management, LLC	7%	-18%	$114,486,791	6,211,980	+16,800	+0.27%	$18.43	13G/A	30 Sep 2025	13 Nov 2025, 16:05
Kayne Anderson Rudnick Investment Management, LLC	8.5%		$131,895,382	6,195,180			$21.29	13G/A	31 Mar 2025	14 May 2025, 16:05

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	0.24%	-0.07%	$89,467,150	4,867,636	-1,344,344	-22%	$18.38	Q4 2025
30 Sep 2025	0.28%	-0.03%	$114,486,791	6,211,980	-663,135	-9.6%	$18.43	Q3 2025
30 Jun 2025	0.46%	+0.03%	$194,565,755	6,875,115	+496,985	+7.8%	$28.30	Q2 2025
31 Mar 2025	0.33%	+0.12%	$136,109,294	6,378,130	+2,234,980		$21.34	Q1 2025
31 Dec 2024	0.27%	-0%	$118,162,638	4,143,150	-63,159	-1.5%	$28.52	Q4 2024
30 Sep 2024	0.32%	+0.32%	$142,593,875	4,206,309	+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.