OS

OneStream Inc

Delisted

OS was delisted on the 31st of March, 2026.

140 hedge funds and large institutions have $1.49B invested in OneStream Inc in 2025 Q1 according to their latest regulatory filings, with 31 funds opening new positions, 70 increasing their positions, 26 reducing their positions, and 50 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less capital invested

Capital invested by funds: $ → $

less funds holding

Funds holding:

38% less first-time investments, than exits

New positions opened: 31 | Existing positions closed: 50

92.87% less ownership

Funds ownership: 188.51%95.65% (-93%)

100% less funds holding in top 10

Funds holding in top 10: 40 (-4)

Holders
140
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
$15.8M
Puts
$825K
Net Calls
Net Calls Change

Top Buyers

1 +$132M
2 +$98.5M
3 +$72.5M
4
Alkeon Capital Management
Alkeon Capital Management
New York
+$64.8M
5
Brown Advisory
Brown Advisory
Maryland
+$62.3M

Top Sellers

1 -$46.2M
2 -$40.2M
3 -$30.2M
4
Fidelity Investments
Fidelity Investments
Massachusetts
-$29.5M
5
SFM
Soros Fund Management
New York
-$20.1M
Name Holding Trade Value Shares
Change
Change in
Stake
126
$6.04K
127
$5.33K
128
$4.39K
129
$4.38K
130
$3.67K
131
$2.94K
132
$2.94K
133
$1.96K
134
$1.71K
135
$1.07K
136
$1K
137
$970
138
$790
139
$683
140
$277
141
142
143
144
145
146
147
148
149
150