OneStream Inc
OS was delisted on the 31st of March, 2026.
141 hedge funds and large institutions have $1.49B invested in OneStream Inc in 2025 Q1 according to their latest regulatory filings, with 32 funds opening new positions, 70 increasing their positions, 26 reducing their positions, and 50 closing their positions.
1,816% more call options, than puts
Call options by funds: $15.8M | Put options by funds: $825K
169% more repeat investments, than reductions
Existing positions increased: 70 | Existing positions reduced: 26
2% less capital invested
Capital invested by funds: $1.52B → $1.49B (-$29.7M)
12% less funds holding
Funds holding: 160 → 141 (-19)
36% less first-time investments, than exits
New positions opened: 32 | Existing positions closed: 50
92.85% less ownership
Funds ownership: 188.51% → 95.66% (-93%)
100% less funds holding in top 10
Funds holding in top 10: 4 → 0 (-4)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$132M |
| 2 |
DPCM
Darlington Partners Capital Management
Greenbrae,
California
|
+$98.5M |
| 3 |
Temasek Holdings
Singapore
|
+$72.5M |
| 4 |
Alkeon Capital Management
New York
|
+$64.8M |
| 5 |
Brown Advisory
Baltimore,
Maryland
|
+$62.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Invesco
Atlanta,
Georgia
|
-$46.2M |
| 2 |
JP Morgan Chase
New York
|
-$40.2M |
| 3 |
Westfield Capital Management
Boston,
Massachusetts
|
-$30.2M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
-$29.5M |
| 5 |
SFM
Soros Fund Management
New York
|
-$20.1M |
OS Hedge Fund Activity: Q1 2025 in Review
141 of the 7,464 institutional investors tracked by Wall St. Rank reported a position in OneStream Inc (OS) for Q1 2025, worth a combined $1.49B — down 2% from $1.52B a quarter earlier.
Sellers outnumbered buyers: 50 funds closed out of OS and 32 opened new positions — a net loss of 18 holders — while 26 trimmed existing stakes and 70 added.
The largest buyer was T. Rowe Price Investment Management, adding an estimated $132M. The largest seller was Invesco, exiting entirely with an estimated $46.2M sold.
- 141 institutional investors held OneStream Inc (OS) as of Q1 2025, down from 160 in Q4 2024.
- Funds reported $1.49B of OneStream Inc stock for Q1 2025, down 2% quarter-over-quarter.
- 32 funds opened new OneStream Inc positions in Q1 2025 and 50 closed out, a net change of -18 holders.
- The largest OneStream Inc buyer in Q1 2025 was T. Rowe Price Investment Management, an estimated $132M added.
- The largest OneStream Inc seller in Q1 2025 was Invesco, an estimated $46.2M sold.
Based on aggregated 13F filings for Q1 2025.