OneStream Inc
OS was delisted on the 31st of March, 2026.
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.
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
Top Buyers
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Portfolio Management
Malvern,
Pennsylvania
|
-$118M |
| 2 |
Temasek Holdings
Singapore
|
-$102M |
| 3 |
Fidelity International
Hamilton,
Bermuda
|
-$95.8M |
| 4 |
Vanguard Capital Management
Malvern,
Pennsylvania
|
-$93.2M |
| 5 |
AA
AQR Arbitrage
Greenwich,
Connecticut
|
-$81.4M |
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.