Opendoor
OPEN
323 hedge funds and large institutions have $2.3B invested in Opendoor in 2025 Q3 according to their latest regulatory filings, with 152 funds opening new positions, 66 increasing their positions, 71 reducing their positions, and 69 closing their positions.
1,190% more capital invested
Capital invested by funds: $178M → $2.3B (+$2.12B)
120% more first-time investments, than exits
New positions opened: 152 | Existing positions closed: 69
34% more funds holding
Funds holding: 241 → 323 (+82)
18% more call options, than puts
Call options by funds: $662M | Put options by funds: $560M
7% less repeat investments, than reductions
Existing positions increased: 66 | Existing positions reduced: 71
6.61% less ownership
Funds ownership: 47.15% → 40.54% (-6.6%)
20% less funds holding in top 10
Funds holding in top 10: 5 → 4 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$100M |
| 2 |
Renaissance Technologies
New York
|
+$72.4M |
| 3 |
American Century Companies
Kansas City,
Missouri
|
+$46.1M |
| 4 |
TI
Tidal Investments
Milwaukee,
Wisconsin
|
+$36.6M |
| 5 |
Morgan Stanley
New York
|
+$26.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$66.4M |
| 2 |
Two Sigma Advisers
New York
|
-$54.6M |
| 3 |
Verition Fund Management
Greenwich,
Connecticut
|
-$38M |
| 4 |
Two Sigma Investments
New York
|
-$37M |
| 5 |
Citadel Advisors
Miami,
Florida
|
-$33.3M |
OPEN Hedge Fund Activity: Q3 2025 in Review
323 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Opendoor (OPEN) for Q3 2025, worth a combined $2.3B — up 1,190% from $178M a quarter earlier.
Buyers outnumbered sellers: 152 funds opened new OPEN positions and 69 closed out — a net gain of 83 holders — while 66 added to existing stakes and 71 trimmed.
The largest buyer was Jane Street, adding an estimated $100M. The largest seller was T. Rowe Price Investment Management, cutting an estimated $66.4M.
- 323 institutional investors held Opendoor (OPEN) as of Q3 2025, up from 241 in Q2 2025.
- Funds reported $2.3B of Opendoor stock for Q3 2025, up 1,190% quarter-over-quarter.
- 152 funds opened new Opendoor positions in Q3 2025 and 69 closed out, a net change of +83 holders.
- The largest Opendoor buyer in Q3 2025 was Jane Street, an estimated $100M added.
- The largest Opendoor seller in Q3 2025 was T. Rowe Price Investment Management, an estimated $66.4M sold.
Based on aggregated 13F filings for Q3 2025.