Opendoor
OPEN
357 hedge funds and large institutions have $2.4B invested in Opendoor in 2025 Q4 according to their latest regulatory filings, with 114 funds opening new positions, 101 increasing their positions, 138 reducing their positions, and 73 closing their positions.
138% more call options, than puts
Call options by funds: $411M | Put options by funds: $173M
56% more first-time investments, than exits
New positions opened: 114 | Existing positions closed: 73
10% more funds holding
Funds holding: 324 → 357 (+33)
2.58% more ownership
Funds ownership: 40.54% → 43.12% (+2.6%)
4% more capital invested
Capital invested by funds: $2.3B → $2.4B (+$102M)
0% more funds holding in top 10
Funds holding in top 10: 4 → 4 (0)
27% less repeat investments, than reductions
Existing positions increased: 101 | Existing positions reduced: 138
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
+$288M |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
+$285M |
| 3 |
Renaissance Technologies
New York
|
+$88.6M |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$46.4M |
| 5 |
BNP Paribas Financial Markets
Paris,
France
|
+$44M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
-$92.2M |
| 2 |
Goldman Sachs
New York
|
-$92M |
| 3 |
TI
Tidal Investments
Milwaukee,
Wisconsin
|
-$62.9M |
| 4 |
Allianz Asset Management
Munich,
Germany
|
-$45.9M |
| 5 |
Invesco
Atlanta,
Georgia
|
-$22.8M |
OPEN Hedge Fund Activity: Q4 2025 in Review
357 of the 8,265 institutional investors tracked by Wall St. Rank reported a position in Opendoor (OPEN) for Q4 2025, worth a combined $2.4B — up 4.4% from $2.3B a quarter earlier.
Buyers outnumbered sellers: 114 funds opened new OPEN positions and 73 closed out — a net gain of 41 holders — while 101 added to existing stakes and 138 trimmed.
The largest buyer was Morgan Stanley, adding an estimated $288M. The largest seller was Jane Street, cutting an estimated $92.2M.
- 357 institutional investors held Opendoor (OPEN) as of Q4 2025, up from 324 in Q3 2025.
- Funds reported $2.4B of Opendoor stock for Q4 2025, up 4.4% quarter-over-quarter.
- 114 funds opened new Opendoor positions in Q4 2025 and 73 closed out, a net change of +41 holders.
- The largest Opendoor buyer in Q4 2025 was Morgan Stanley, an estimated $288M added.
- The largest Opendoor seller in Q4 2025 was Jane Street, an estimated $92.2M sold.
Based on aggregated 13F filings for Q4 2025.