OS

OneStream, Inc. Class A Common Stock
OS

Overview Fund Activity

183 hedge funds and large institutions have $2.46B invested in OneStream, Inc. Class A Common Stock in 2025 Q2 according to their latest regulatory filings, with 65 funds opening new positions, 76 increasing their positions, 30 reducing their positions, and 18 closing their positions.

Holders
183
Holders Change
+44
Holders Change %
+31.65%
% of All Funds
2.46%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.01%
New
65
Increased
76
Reduced
30
Closed
18
Calls
$26.2M
Puts
$945K
Net Calls
+$25.2M
Net Calls Change
+$10.2M

Top Buyers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$221M
2
Goldman Sachs
2
Goldman Sachs
New York
$103M
3
Marshall Wace
3
Marshall Wace
United Kingdom
$56.3M
4
WA
4
Wasatch Advisors
Utah
$35.9M
5
BlackRock
5
BlackRock
New York
$58M

Top Sellers

1
Alkeon Capital Management
1
Alkeon Capital Management
New York
$26.9M
2
Neuberger Berman Group
2
Neuberger Berman Group
New York
$43.9M
3
AllianceBernstein
3
AllianceBernstein
Tennessee
$66.4M
4
Massachusetts Financial Services
4
Massachusetts Financial Services
Massachusetts
$30.1M
5
CIP
5
Champlain Investment Partners
Vermont
$107M
Name Market Value Shares Shares
Change 		Shares
Change %
LP
76
Longaeva Partners
Illinois
$1.87M 66,069 +66,069 New
Ohio Public Employees Retirement System (OPERS)
77
Ohio Public Employees Retirement System (OPERS)
Ohio
$1.85M 65,210 +65,210 New
California State Teachers Retirement System (CalSTRS)
78
California State Teachers Retirement System (CalSTRS)
California
$1.84M 65,075 +31,534 +94%
Bessemer Group
79
Bessemer Group
New Jersey
$1.84M 64,913 +20 +0%
Legal & General Group
80
Legal & General Group
United Kingdom
$1.82M 64,201 +28,703 +81%
XT
81
XTX Topco
Cayman Islands
$1.81M 64,120 +34,058 +113%
First Trust Advisors
82
First Trust Advisors
Illinois
$1.71M 60,499 +60,499 New
AG
83
Algert Global
California
$1.69M 59,620 +59,620 New
Two Sigma Investments
84
Two Sigma Investments
New York
$1.61M 56,968 -14,911 -21%
QT
85
Quantbot Technologies
New York
$1.6M 56,690 +56,690 New
M&T Bank
86
M&T Bank
New York
$1.52M 53,829 +17,396 +48%
Lazard Asset Management
87
Lazard Asset Management
New York
$1.5M 52,832 +52,832 New
Ameriprise
88
Ameriprise
Minnesota
$1.41M 49,950 +49,950 New
EAM
89
EFG Asset Management
Oregon
$1.41M 49,788 +49,788 New
RC
90
Renaissance Capital
Connecticut
$1.33M 46,940 -36,624 -44%
Fidelity Investments
91
Fidelity Investments
Massachusetts
$1.29M 45,643 -1,751 -4%
Tudor Investment Corp
92
Tudor Investment Corp
Connecticut
$1.26M 44,621 +44,621 New
Russell Investments Group
93
Russell Investments Group
United Kingdom
$1.2M 42,488 -2,279 -5%
DT
94
Diversified Trust
Tennessee
$1.2M 42,227 +202 +0.5%
TC
95
TwinBeech Capital
New York
$1.11M 39,132 +39,132 New
NG
96
Norden Group
Utah
$1.09M 38,389 +16,483 +75%
CP
97
CenterBook Partners
Connecticut
$1.08M 38,311 +9,370 +32%
MF
98
Montis Financial
Massachusetts
$1.07M 37,759 – –
WAM
99
Weiss Asset Management
Massachusetts
$1.03M 36,451 +36,451 New
DWM
100
Dakota Wealth Management
Florida
$996K 35,202 +35,202 New
2 3
4
5 6