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OS

OneStream Inc
OS

Delisted

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

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0 hedge funds and large institutions have $0 invested in OneStream Inc in 2026 Q2 according to their latest regulatory filings, with 0 funds opening new positions, 0 increasing their positions, 0 reducing their positions, and 171 closing their positions.

New
Increased
Maintained
Reduced
Closed

93.59% less ownership

Funds ownership: 93.59% → 0% (-94%)

100% less funds holding

Funds holding: 180 → 0 (-180)

100% less funds holding in top 10

Funds holding in top 10: 11 → 0 (-11)

100% less capital invested

Capital invested by funds: $2.23B → $0 (-$2.23B)

100% less first-time investments, than exits

New positions opened: 0 | Existing positions closed: 171

Holders
–
Holders Change
-180
Holders Change %
-100%
% of All Funds
–
Holding in Top 10
–
Holding in Top 10 Change
-11
Holding in Top 10 Change %
-100%
% of All Funds
–
New
–
Increased
–
Reduced
–
Closed
171
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

No buyers this quarter

Top Sellers

Rank Fund Capital Flow
1
Vanguard Portfolio Management
Vanguard Portfolio Management
Pennsylvania
-$118M
2
Temasek Holdings
Temasek Holdings
Singapore
-$102M
3
Fidelity International
Fidelity International
Bermuda
-$95.8M
4
Vanguard Capital Management
Vanguard Capital Management
Pennsylvania
-$93.2M
5
AA
AQR Arbitrage
Connecticut
-$81.4M
Name Holding Trade Value Shares
Change 		Change in
Stake
ECM
126
Everence Capital Management
Indiana
– -$228K -9,516 Closed
BTI
127
Blue Trust Inc
Georgia
– -$219K -9,137 Closed
LPL Financial
128
LPL Financial
California
– -$209K -8,703 Closed
JF
129
Jump Financial
Illinois
– -$200K -8,351 Closed
Deutsche Bank
130
Deutsche Bank
Germany
– -$140K -5,827 Closed
US Bancorp
131
US Bancorp
Minnesota
– -$138K -5,730 Closed
Simplex Trading
132
Simplex Trading
Illinois
– -$105K -4,363 Closed
AAM
133
Advisors Asset Management
Colorado
– -$88.3K -3,678 Closed
EWA
134
EverSource Wealth Advisors
Alabama
– -$87K -3,626 Closed
Royal Bank of Canada
135
Royal Bank of Canada
Ontario, Canada
– -$80K -3,333 Closed
Fifth Third Bancorp
136
Fifth Third Bancorp
Ohio
– -$73.2K -3,051 Closed
KBC Group
137
KBC Group
Belgium
– -$49K -2,053 Closed
MCM
138
Manchester Capital Management
Vermont
– -$48K -2,000 Closed
RhumbLine Advisers
139
RhumbLine Advisers
Massachusetts
– -$39K -1,625 Closed
BNP Paribas Asset Management
140
BNP Paribas Asset Management
France
– -$35.4K -1,475 Closed
EP
141
Essential Partners
California
– -$29.6K -1,233 Closed
TRCT
142
Tower Research Capital (TRC)
New York
– -$27.4K -1,143 Closed
IA
143
IFP Advisors
Florida
– -$16.8K -700 Closed
AF
144
Allworth Financial
California
– -$16.4K -683 Closed
Osaic Holdings
145
Osaic Holdings
Arizona
– -$15.8K -659 Closed
ECM
146
ExodusPoint Capital Management
New York
– -$14.9K -619 Closed
SIC
147
Salem Investment Counselors
North Carolina
– -$12K -500 Closed
RIL
148
Rothschild Investment LLC
Illinois
– -$9.05K -377 Closed
AAG
149
Armstrong Advisory Group
Massachusetts
– -$8.88K -370 Closed
AAP
150
Arax Advisory Partners
Colorado
– -$8.42K -351 Closed
3 4 5
6
7

OS Hedge Fund Activity: Q2 2026 in Review

0 of the 8,153 institutional investors tracked by Wall St. Rank reported a position in OneStream Inc (OS) for Q2 2026, worth a combined $0 — down 100% from $2.23B a quarter earlier.

Sellers outnumbered buyers: 171 funds closed out of OS and 0 opened new positions — a net loss of 171 holders — while 0 trimmed existing stakes and 0 added.

The largest seller was Vanguard Portfolio Management, exiting entirely with an estimated $118M sold.

  • 0 institutional investors held OneStream Inc (OS) as of Q2 2026, down from 180 in Q1 2026.
  • Funds reported $0 of OneStream Inc stock for Q2 2026, down 100% quarter-over-quarter.
  • 0 funds opened new OneStream Inc positions in Q2 2026 and 171 closed out, a net change of -171 holders.
  • The largest OneStream Inc seller in Q2 2026 was Vanguard Portfolio Management, an estimated $118M sold.

Based on aggregated 13F filings for Q2 2026.