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Opendoor
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241 hedge funds and large institutions have $178M invested in Opendoor in 2025 Q2 according to their latest regulatory filings, with 48 funds opening new positions, 53 increasing their positions, 81 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed

23% more call options, than puts

Call options by funds: $2.17M | Put options by funds: $1.76M

0% more funds holding in top 10

Funds holding in top 10: 5 → 5 (0)

3.37% less ownership

Funds ownership: 50.52% → 47.15% (-3.4%)

12% less funds holding

Funds holding: 273 → 241 (-32)

35% less repeat investments, than reductions

Existing positions increased: 53 | Existing positions reduced: 81

36% less first-time investments, than exits

New positions opened: 48 | Existing positions closed: 75

51% less capital invested

Capital invested by funds: $361M → $178M (-$183M)

Holders
241
Holders Change
-32
Holders Change %
-11.72%
% of All Funds
3.17%
Holding in Top 10
5
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.07%
New
48
Increased
53
Reduced
81
Closed
75
Calls
$2.17M
Puts
$1.76M
Net Calls
+$405K
Net Calls Change
+$422K

Top Buyers

Rank Fund Capital Flow
1
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$9.37M
2
Two Sigma Advisers
Two Sigma Advisers
New York
+$8.41M
3
WAM
Weiss Asset Management
Massachusetts
+$7.18M
4
Verition Fund Management
Verition Fund Management
Connecticut
+$6.77M
5
Citadel Advisors
Citadel Advisors
Florida
+$4.8M

Top Sellers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
-$26.7M
2
Vanguard Group
Vanguard Group
Pennsylvania
-$14.8M
3
State Street
State Street
Massachusetts
-$7.04M
4
BNP Paribas Financial Markets
BNP Paribas Financial Markets
France
-$5.96M
5
Geode Capital Management
Geode Capital Management
Massachusetts
-$5.81M
Name Holding Trade Value Shares
Change 		Change in
Stake
MP
26
Mangrove Partners
Connecticut
$1.96M +$2.41M +3,332,147 +705%
Dimensional Fund Advisors
27
Dimensional Fund Advisors
Texas
$1.67M -$283K -392,152 -11%
Invesco
28
Invesco
Georgia
$1.56M +$1.03M +1,429,430 +89%
Tudor Investment Corp
29
Tudor Investment Corp
Connecticut
$1.43M +$1.83M +2,535,934 +1,075%
Jane Street
30
Jane Street
New York
$1.07M -$1.71M -2,370,566 -53%
NL
31
NWAM LLC
Washington
$1.05M -$14.2K -19,633 -3%
Arrowstreet Capital
32
Arrowstreet Capital
Massachusetts
$1.04M +$1.46M +2,022,157 New
JG
33
Jain Global
New York
$945K +$1.32M +1,831,720 New
Northern Trust
34
Northern Trust
Illinois
$918K -$3.15M -4,358,805 -71%
Group One Trading
35
Group One Trading
Illinois
$828K +$684K +945,877 +144%
UBS AM
36
UBS AM
Illinois
$818K +$389K +538,350 +51%
Squarepoint
37
Squarepoint
New York
$776K +$1.09M +1,504,998 New
Deutsche Bank
38
Deutsche Bank
Germany
$724K -$313K -432,870 -23%
Royal Bank of Canada
39
Royal Bank of Canada
Ontario, Canada
$653K +$865K +1,196,725 +1,679%
BHCM
40
Brevan Howard Capital Management
Jersey
$652K +$720K +996,116 +362%
CI
41
CAZ Investments
Texas
$630K +$149K +206,667 +20%
Swiss National Bank
42
Swiss National Bank
Switzerland
$626K – – –
Ameriprise
43
Ameriprise
Minnesota
$564K +$363K +502,585 +85%
Simplex Trading
44
Simplex Trading
Illinois
$545K +$512K +708,989 +203%
AS
45
Altshuler Shaham
Israel
$493K – – –
SC
46
SummitTX Capital
Texas
$471K +$660K +913,053 New
Temasek Holdings
47
Temasek Holdings
Singapore
$468K – – –
Balyasny Asset Management
48
Balyasny Asset Management
Illinois
$467K -$1.98M -2,737,363 -75%
Fidelity Investments
49
Fidelity Investments
Massachusetts
$454K -$332 -460 -0.1%
ACM
50
Aster Capital Management
United Arab Emirates
$445K +$615K +851,235 +7,361%
1
2
3 4 5

OPEN Hedge Fund Activity: Q2 2025 in Review

241 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Opendoor (OPEN) for Q2 2025, worth a combined $178M — down 51% from $361M a quarter earlier.

Sellers outnumbered buyers: 75 funds closed out of OPEN and 48 opened new positions — a net loss of 27 holders — while 81 trimmed existing stakes and 53 added.

The largest buyer was Qube Research & Technologies (QRT), opening a new position worth an estimated $9.37M. The largest seller was BlackRock, cutting an estimated $26.7M.

  • 241 institutional investors held Opendoor (OPEN) as of Q2 2025, down from 273 in Q1 2025.
  • Funds reported $178M of Opendoor stock for Q2 2025, down 51% quarter-over-quarter.
  • 48 funds opened new Opendoor positions in Q2 2025 and 75 closed out, a net change of -27 holders.
  • The largest Opendoor buyer in Q2 2025 was Qube Research & Technologies (QRT), an estimated $9.37M added.
  • The largest Opendoor seller in Q2 2025 was BlackRock, an estimated $26.7M sold.

Based on aggregated 13F filings for Q2 2025.