Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in OSCR held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 17.3M | $198.5M | +0.3% | 6.676% | 0.00% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 10.8M | $123.6M | — | 4.157% | 0.00% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 10.5M | $121.0M | — | 4.067% | 0.01% |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 9.7M | $110.7M | -13.0% | 3.723% | 0.01% |
| 5 | CITADEL ADVISORS LLC | 7.8M | $89.4M | — | 3.005% | 0.04% |
| 6 | AMERICAN CENTURY COMPANIES INC | 7.0M | $80.6M | +11.6% | 2.711% | 0.04% |
| 7 | Thrive Capital Management, LLC | 6.3M | $72.8M | 0.0% | 2.447% | 21.17% |
| 8 | BIT Capital GmbH | 6.3M | $72.5M | +2.2% | 2.438% | 3.52% |
| 9 | STATE STREET CORP | 5.3M | $60.4M | +1.5% | 2.030% | 0.00% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 5.0M | $57.7M | +4.9% | 1.941% | 0.00% |
| 11 | DIMENSIONAL FUND ADVISORS LP | 4.2M | $48.1M | +22.1% | 1.617% | 0.01% |
| 12 | Point72 Asset Management, L.P. | 3.4M | $39.5M | +11.1% | 1.330% | 0.06% |
| 13 | MORGAN STANLEY | 3.4M | $38.5M | -50.8% | 1.294% | 0.00% |
| 14 | BANK OF AMERICA CORP /DE/ | 2.9M | $32.8M | +205.1% | 1.103% | 0.00% |
| 15 | TUDOR INVESTMENT CORP ET AL | 2.6M | $30.2M | +51.8% | 1.016% | 0.11% |
| 16 | GLYNN CAPITAL MANAGEMENT LLC | 2.6M | $29.7M | -5.4% | 1.000% | 14.21% |
| 17 | JACOBS LEVY EQUITY MANAGEMENT, INC | 2.5M | $28.4M | +133.3% | 0.954% | 0.12% |
| 18 | TWO SIGMA INVESTMENTS, LP | 2.4M | $27.6M | -42.7% | 0.929% | 0.02% |
| 19 | Walleye Trading LLC | 2.4M | $27.0M | -27.2% | 0.909% | 0.07% |
| 20 | BNP PARIBAS ARBITRAGE, SA | 2.0M | $22.9M | +173.5% | 0.769% | 0.01% |
| 21 | UBS Group AG | 1.9M | $22.4M | +36.0% | 0.752% | 0.00% |
| 22 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.9M | $21.8M | +8.1% | 0.732% | 0.00% |
| 23 | NORTHERN TRUST CORP | 1.9M | $21.5M | +3.9% | 0.724% | 0.00% |
| 24 | Freestone Grove Partners LP | 1.6M | $18.4M | +214.9% | 0.618% | 0.13% |
| 25 | VANGUARD FIDUCIARY TRUST CO | 1.5M | $17.5M | — | 0.588% | 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 OSCR — a direct measure of their conviction.
Filings activity in OSCR 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 | 318 | 3.3% | 25.87% | 5.67 pp | $1.90B | 18% |
| Q4 2025 | 329 | +3.1% | 31.54% | 10.25 pp | $2.31B | 25% |
| Q3 2025 | 319 | +0.6% | 41.79% | 4.26 pp | $3.06B | 9.3% |
| Q2 2025 | 317 | +12% | 46.05% | +15.86 pp | $3.37B | +53% |
| Q1 2025 | 282 | +12% | 30.19% | 2.81 pp | $2.21B | 8.5% |
| Q4 2024 | 252 | 9.4% | 33.00% | 12.81 pp | $2.42B | 28% |
| Q3 2024 | 278 | +6.5% | 45.81% | 7.49 pp | $3.36B | 14% |
| Q2 2024 | 261 | — | 53.30% | — | $3.91B | — |
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 OSCR stock.
Based on Q1 2026 13F filings, institutional ownership of Oscar Health, Inc. stands at 25.9%, held across 318 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of OSCR, with approximately 17,309,539 shares worth $0.20B as of Q1 2026.
Yes — 4 widely-followed marquee investors appear among the top 25 institutional holders of OSCR, including SUSQUEHANNA INTERNATIONAL GROUP, LLP, CITADEL ADVISORS LLC, Point72 Asset Management, L.P., TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for OSCR is 46 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
65 institutions opened new positions in OSCR during Q1 2026, while 76 fully exited. 55 added to existing positions and 195 trimmed.
OSCR institutional ownership fell by 5.67 percentage points quarter-over-quarter, with a net change of -11 holders.
The top 10 institutions account for 52.1% of all reported 13F value in OSCR, and the top 25 account for 74.6%.
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.
Oscar Health, Inc. (OSCR) Institutional Ownership