Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in OPEN held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | MORGAN STANLEY | 102.8M | $481.0M | +99.2% | 13.407% | 0.03% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 70.1M | $327.9M | — | 9.140% | 0.02% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 35.5M | $166.3M | — | 4.636% | 0.00% |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 24.8M | $116.1M | -9.2% | 3.237% | 0.01% |
| 5 | CITADEL ADVISORS LLC | 22.7M | $106.0M | -26.3% | 2.955% | 0.05% |
| 6 | BlackRock, Inc. | 18.6M | $87.2M | +4.1% | 2.431% | 0.00% |
| 7 | D. E. Shaw & Co., Inc. | 14.7M | $68.6M | — | 1.911% | 0.06% |
| 8 | AMERICAN CENTURY COMPANIES INC | 14.2M | $66.5M | -1.0% | 1.853% | 0.03% |
| 9 | LENNAR CORP /NEW/ | 13.5M | $63.3M | -28.0% | 1.766% | 98.94% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 12.3M | $57.7M | +6.2% | 1.609% | 0.00% |
| 11 | RENAISSANCE TECHNOLOGIES LLC | 11.8M | $55.3M | -70.0% | 1.541% | 0.09% |
| 12 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 11.2M | $52.6M | -3.9% | 1.465% | 0.01% |
| 13 | MILLENNIUM MANAGEMENT LLC | 10.8M | $50.7M | +123.0% | 1.414% | 0.03% |
| 14 | Qube Research & Technologies Ltd | 10.2M | $47.5M | +682.9% | 1.325% | 0.06% |
| 15 | DIMENSIONAL FUND ADVISORS LP | 9.1M | $42.5M | +96.7% | 1.184% | 0.01% |
| 16 | UBS Group AG | 7.2M | $33.6M | +31.0% | 0.936% | 0.01% |
| 17 | TWO SIGMA INVESTMENTS, LP | 6.8M | $31.7M | +65.9% | 0.884% | 0.03% |
| 18 | STATE STREET CORP | 6.0M | $28.0M | -3.4% | 0.780% | 0.00% |
| 19 | Marex Group plc | 4.9M | $23.1M | -15.2% | 0.643% | 0.06% |
| 20 | VANGUARD FIDUCIARY TRUST CO | 4.9M | $22.9M | — | 0.639% | 0.01% |
| 21 | VOLORIDGE INVESTMENT MANAGEMENT, LLC | 4.3M | $20.2M | +2.7% | 0.563% | 0.08% |
| 22 | Trexquant Investment LP | 4.1M | $19.0M | +126.9% | 0.530% | 0.18% |
| 23 | GOLDMAN SACHS GROUP INC | 3.9M | $18.5M | +151.3% | 0.515% | 0.00% |
| 24 | HENNESSY ADVISORS INC | 3.7M | $17.5M | -9.5% | 0.487% | 0.63% |
| 25 | Invesco Ltd. | 3.1M | $14.3M | -17.7% | 0.400% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in OPEN — a direct measure of their conviction.
Filings activity in OPEN during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 349 | +0.6% | 67.60% | 7.79 pp | $2.30B | 10% |
| Q4 2025 | 347 | +13% | 75.39% | 12.09 pp | $2.57B | 14% |
| Q3 2025 | 306 | +29% | 87.48% | +82.49 pp | $2.98B | +1652% |
| Q2 2025 | 237 | 10% | 4.99% | 4.70 pp | $170M | 48% |
| Q1 2025 | 264 | 4.7% | 9.69% | 6.86 pp | $330M | 41% |
| Q4 2024 | 277 | 2.5% | 16.55% | 5.34 pp | $563M | 24% |
| Q3 2024 | 284 | +0.7% | 21.89% | +0.07 pp | $745M | +0.3% |
| Q2 2024 | 282 | — | 21.82% | — | $743M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying OPEN stock.
Based on Q1 2026 13F filings, institutional ownership of Opendoor Technologies Inc. stands at 67.6%, held across 349 reporting institutions.
MORGAN STANLEY is the largest reported institutional holder of OPEN, with approximately 102,774,968 shares worth $0.48B as of Q1 2026.
Yes — 5 widely-followed marquee investors appear among the top 25 institutional holders of OPEN, including SUSQUEHANNA INTERNATIONAL GROUP, LLP, CITADEL ADVISORS LLC, RENAISSANCE TECHNOLOGIES LLC, MILLENNIUM MANAGEMENT LLC, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for OPEN is 57 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
78 institutions opened new positions in OPEN during Q1 2026, while 76 fully exited. 66 added to existing positions and 202 trimmed.
OPEN institutional ownership fell by 7.79 percentage points quarter-over-quarter, with a net change of +2 holders.
The top 10 institutions account for 67.0% of all reported 13F value in OPEN, and the top 25 account for 87.7%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Opendoor Technologies Inc. (OPEN) Institutional Ownership