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

Historical Holders from Q3 2024 to Q3 2025

Symbol
OS on Nasdaq
Type / Class
Equity / Onestream Ord Shs Class A
Shares outstanding
88,742,571
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
78,684,331
Holdings value
$1,450,162,850
% of all portfolios
0.001%
Number of holders
180
Number of buys
98
Number of sells
-112
Average buys %
+0%
Average sells %
-0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of OneStream, Inc. - Onestream Ord Shs Class A (OS)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
KKR Dream Holdings LLC 67.5% $2,012,335,739 94,520,232 KKR Group Partnership L.P. 31 Dec 2024
Colby Craig 10.9% $194,351,364 9,128,763 Craig Colby 31 Mar 2025
NORGES BANK 9.7% +16.2% $157,277,400 +$40,364,999 8,533,771 +34.5% Norges Bank 30 Sep 2025
VANGUARD GROUP INC 10.37% +1.1% $220,038,788 +$118,975,301 7,819,431 +1.2% The Vanguard Group 30 Jun 2025
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 7% -18.4% $114,486,791 +$309,624 6,211,980 +0.27% Kayne Anderson Rudnick Investment Management, LLC 30 Sep 2025
T. Rowe Price Investment Management, Inc. 11.4% +38.8% $110,436,680 +$29,854,818 5,187,256 +37% T. Rowe Price Investment Management, Inc. 31 Jan 2025
Champlain Investment Partners, LLC 5.5% -26.2% $85,960,398 +$12,747,537 4,037,595 +17.4% Champlain Investment Partners, LLC 14 May 2025
DARLINGTON PARTNERS CAPITAL MANAGEMENT, LP 5.3% $81,740,932 3,839,405 Darlington Partners Capital Management, LP 11 Mar 2025
ALLIANCEBERNSTEIN L.P. 3.9% -30% $60,618,591 +$8,124,285 2,847,280 +15.5% AllianceBernstein L.P. 31 Mar 2025
ALKEON CAPITAL MANAGEMENT LLC 3.5% $53,784,097 2,526,261 Alkeon Capital Management LLC 31 Mar 2025
Koefoed William A 3.8% $43,673,965 2,051,384 William A. Koefoed 31 Dec 2024

Institutional Holders of OneStream, Inc. - Onestream Ord Shs Class A (OS)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 78,684,331 $1,450,162,850 -$247,394,073 $18.43 180
2025 Q2 87,102,837 $2,464,752,865 +$660,992,272 $28.3 185
2025 Q1 63,688,267 $1,358,555,234 +$139,486,819 $21.34 139
2024 Q4 53,348,725 $1,521,505,868 -$3,152,045,853 $28.52 159
2024 Q3 141,504,982 $4,796,662,441 +$4,781,290,316 $33.9 113