OS

OneStream Inc

180 hedge funds and large institutions have $1.45B invested in OneStream Inc in 2025 Q3 according to their latest regulatory filings, with 51 funds opening new positions, 48 increasing their positions, 60 reducing their positions, and 51 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

less funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

26.6% less ownership

Funds ownership: 115.89%89.29% (-27%)

41% less capital invested

Capital invested by funds: $2.46B → $1.45B (-$1.01B)

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
180
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$11.9M
Puts
$4.89M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
KK
126
KLP Kapitalforvaltning
Norway
$282K
SOW
127
State of Wyoming
Wyoming
$279K
LPL Financial
128
LPL Financial
California
$274K
Group One Trading
129
Group One Trading
Illinois
$271K
Manulife (Manufacturers Life Insurance)
130
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$263K
AWAU
131
Alliance Wealth Advisors (Utah)
Utah
$255K
BHCM
132
Brevan Howard Capital Management
Jersey
$246K
DS
133
DRW Securities
Illinois
$243K
XT
134
XTX Topco
Cayman Islands
$239K
VI
135
Versor Investments
New York
$236K
Zurich Cantonal Bank
136
Zurich Cantonal Bank
Switzerland
$231K
WAG
137
Wallace Advisory Group
California
$224K
FDW
138
Fourth Dimension Wealth
Ohio
$214K
Janney Montgomery Scott
139
Janney Montgomery Scott
Pennsylvania
$213K
EMPI
140
Elo Mutual Pension Insurance
Finland
$209K
CIA
141
Concurrent Investment Advisors
Florida
$203K
MF
142
Magnetar Financial
Illinois
$201K
Pictet Asset Management
143
Pictet Asset Management
Switzerland
$199K
Cohen & Steers
144
Cohen & Steers
New York
$184K
GFWA
145
Grey Fox Wealth Advisors
Delaware
$152K
FDP
146
Financiere des Professionnels
Quebec, Canada
$144K
AAM
147
Advisors Asset Management
Colorado
$44.3K
Comerica Bank
148
Comerica Bank
Texas
$41.7K
MCM
149
Manchester Capital Management
Vermont
$36.9K
RhumbLine Advisers
150
RhumbLine Advisers
Massachusetts
$29.9K