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OPEN in the 13F filings

Opendoor Technologies Inc · CUSIP 683712103

Sector · Real estate
Quarter
Q2 2026Q1 2026Q4 2025Q3 2025Q1 2025Q3 2024Q2 2024Q1 2024Q4 2023Q3 2023Q2 2023Q1 2023
Quarter end
31 Mar 2026
the date the book describes
Filed
18 May 2026
latest of these filings; the earliest 12 May 2026
Managers listing it
25
at least, of 95 tracked, among listed positions
Comparable managers
91
filed both Q4 2025 and Q1 2026; 2 listed it in both
Shares listed
81,069,168
combined, among listed positions
Reported value
$379m
combined, at the quarter end

AllianceBernstein LP. Values in this filing are at the previous quarter end's prices; its share count is the quarter end's.

Among the 91 comparable managers: 17 buyers (opened or added shares) and 10 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was -6,548,851.

Managers listing OPEN in Q1 2026

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q4 2025, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

25 of 25 holders

ActionFiling
Jane Street Group LLC14,717,030$69munder 0.1%Added+840,51312 May 2026 (the filing on sec.gov)
Renaissance Technologies LLC11,810,938$55m0.09%Trimmed-27,519,50014 May 2026 (the filing on sec.gov)
D. E. Shaw & Co.11,230,177$53munder 0.1%Added+4,782,22315 May 2026 (the filing on sec.gov)
Millennium Management LLC10,836,428$51munder 0.1%Added+5,977,71115 May 2026 (the filing on sec.gov)
Citadel Advisors LLC8,043,697$38munder 0.1%Added+411,76515 May 2026 (the filing on sec.gov)
Two Sigma Investments LP6,774,032$32munder 0.1%Added+2,690,53815 May 2026 (the filing on sec.gov)
Voloridge Investment Management LLC4,313,837$20m0.08%Added+112,97315 May 2026 (the filing on sec.gov)
Susquehanna International Group LLP3,337,002$16munder 0.1%Added+3,241,43415 May 2026 (the filing on sec.gov)
Invesco Ltd3,062,147$14munder 0.1%Trimmed-659,68812 May 2026 (the filing on sec.gov)
Brevan Howard Capital Management LP1,647,734$7.7m0.07%Added+1,614,98915 May 2026 (the filing on sec.gov)
Marshall Wace LLP1,575,950$7.4munder 0.1%Newnew15 May 2026 (the filing on sec.gov)
Squarepoint Ops LLC1,179,339$5.5munder 0.1%Added+1,105,00315 May 2026 (the filing on sec.gov)
Tudor Investment Corp640,804$3.0munder 0.1%Trimmed-293,94015 May 2026 (the filing on sec.gov)
Janus Henderson Group Ltd397,152$1.9munder 0.1%Held018 May 2026 (the filing on sec.gov)
T. Rowe Price Associates Inc344,774$1.6munder 0.1%Added+23,40015 May 2026 (the filing on sec.gov)
AQR Capital Management LLC310,146$1.5munder 0.1%Added+13,46515 May 2026 (the filing on sec.gov)
Hudson Bay Capital Management LP283,213$1.3munder 0.1%Newnew13 May 2026 (the filing on sec.gov)
Schonfeld Strategic Advisors LLC207,807$973kunder 0.1%Newnew15 May 2026 (the filing on sec.gov)
Man Group PLC155,444$727kunder 0.1%Added+123,78015 May 2026 (the filing on sec.gov)
ExodusPoint Capital Management LP66,975$313kunder 0.1%Newnew14 May 2026 (the filing on sec.gov)
Verition Fund Management LLC66,000$309kunder 0.1%Trimmed-196,91815 May 2026 (the filing on sec.gov)
Fidelity (FMR LLC)33,050$155kunder 0.1%Trimmed-5,32215 May 2026 (the filing on sec.gov)
AllianceBernstein LP18,000$105kunder 0.1%Held015 May 2026 (the filing on sec.gov)
Polen Capital Management LLC17,474$82kunder 0.1%Newnew14 May 2026 (the filing on sec.gov)
Walleye Capital LLC18$00.00%Trimmed-497,01813 May 2026 (the filing on sec.gov)

Largest increases and reductions, by shares

Q4 2025 to Q1 2026, among managers that listed it in both quarters or opened it.

Increases

Reductions

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (5)

Exited (4)

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.
4 in Q1 2024 to 1 in Q2 2026

Tracked managers listing it, at least.

035810202120222023202420252026
the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.
OPEN by quarter
QuarterHoldersReported valueBuyersSellers
Q4 20206$226mn.a.n.a.
Q1 20215$593mn.a.n.a.
Q2 20215$512mn.a.n.a.
Q3 20219$1.1bnn.a.n.a.
Q4 202110$1.2bnn.a.n.a.
Q1 20229$843mn.a.n.a.
Q2 20228$415mn.a.n.a.
Q3 20226$220mn.a.n.a.
Q4 20225$14mn.a.n.a.
Q1 20233$1.4mn.a.n.a.
Q2 20237$134mn.a.n.a.
Q3 20235$113mn.a.n.a.
Q4 20235$184m23
Q1 20244$103m31
Q2 20242$45m02
Q3 20241$38m02
Q1 20251$1.6m10
Q3 20253$456m30
Q4 20253$273m1810
Q1 20264$83m1710
Q2 20261$42m1116

Compare with…

Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.

OPEN and WELL →OPEN and EQIX →OPEN and BN →Choose a stock to compare with OPEN →

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.

Which funds own OPEN, latest filings →Back to the 13F Explorer →