Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
132 institutional managers reported holding OCGN for the quarter ended Mar 31, 2026. Together they hold about 34% of shares outstanding; the top 10 hold 25%. 43 opened new positions; 20 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 16.90M | 5.16% | $30.7M | added +2.4% | 2019 Q3 |
| Millennium Management | 13.73M | 4.19% | $24.9M | added +154.4% | 2024 Q4 |
| State Street | 9.67M | 2.95% | $17.6M | added +143% | 2020 Q4 |
| Marshall Wace | 8.05M | 2.46% | $14.6M | added +218.2% | 2025 Q4 |
| BlackRock | 7.30M | 2.23% | $13.3M | added +60.3% | 2019 Q3 |
| UBS | 7.28M | 2.22% | $13.2M | added +50.1% | 2019 Q3 |
| RTW Investments, LP | 6.67M | 2.04% | $12.1M | opened | 2026 Q1 |
| Geode Capital | 4.23M | 1.29% | $7.7M | added +10.7% | 2020 Q1 |
| Ikarian Capital, LLC | 3.96M | 1.21% | $7.2M | opened | 2026 Q1 |
| Qube Research & Technologies LTD | 3.77M | 1.15% | $6.8M | opened | 2026 Q1 |
| Jane Street | 3.68M | 1.12% | $6.7M | added +117.4% | 2020 Q4 |
| GMT Capital CORP | 3.51M | 1.07% | $6.4M | opened | 2024 Q3 |
| Citadel Advisors | 2.81M | 0.86% | $5.1M | added +102.7% | 2024 Q4 |
| Two Sigma | 2.25M | 0.69% | $4.1M | added +231.8% | 2025 Q3 |
| Hennion & Walsh Asset Management, INC. | 1.28M | 0.39% | $2.3M | added +26.9% | 2025 Q4 |
| Bank OF America CORP /DE/ | 1.17M | 0.36% | $2.1M | added +1090% | 2021 Q1 |
| Goldman Sachs | 1.13M | 0.34% | $2.0M | trimmed -51% | 2024 Q1 |
| Boothbay Fund Management, LLC | 1.10M | 0.34% | $2.0M | opened | 2026 Q1 |
| Rinkey Investments | 1.03M | 0.32% | $1.9M | added +4.2% | 2025 Q1 |
| Point72 | 834.5k | 0.26% | $1.5M | added +95.8% | 2025 Q2 |
| Susquehanna International Group | 769.5k | 0.23% | $1.4M | trimmed -33.1% | 2020 Q1 |
| Northern Trust | 713.7k | 0.22% | $1.3M | added +7.1% | 2020 Q1 |
| Morgan Stanley | 677.9k | 0.21% | $1.2M | added +46.3% | 2020 Q2 |
| Virtu Financial LLC | 582.1k | 0.18% | $1.1M | added +644.6% | 2024 Q4 |
| Voleon Capital Management LP | 485.2k | 0.15% | $881k | opened | 2026 Q1 |
| Brevan Howard Capital Management LP | 448.2k | 0.14% | $813k | opened | 2026 Q1 |
| Procyon Advisors, LLC | 438.9k | 0.13% | $797k | added +95.9% | 2025 Q2 |
| Squarepoint Ops LLC | 434.0k | 0.13% | $788k | added +98.7% | 2024 Q4 |
| HRT Financial LP | 376.6k | 0.12% | $684k | opened | 2024 Q4 |
| XTX Topco LTD | 307.3k | 0.09% | $558k | trimmed -12.7% | 2024 Q3 |
| Rafferty Asset Management, LLC | 282.9k | 0.09% | $513k | opened | 2026 Q1 |
| Jain Global LLC | 278.6k | 0.09% | $506k | added +142.9% | 2025 Q2 |
| Barclays PLC | 230.6k | 0.07% | $419k | added +46.4% | 2024 Q2 |
| Group ONE Trading LLC | 218.0k | 0.07% | $396k | added +84.2% | 2021 Q4 |
| Charles Schwab Investment Management | 212.1k | 0.07% | $385k | added +23.5% | 2021 Q1 |
| Hudson Bay Capital | 211.6k | 0.07% | $384k | opened | 2026 Q1 |
| Mitsubishi UFJ Asset Management CO., LTD. | 204.2k | 0.06% | $371k | trimmed -2.4% | 2025 Q4 |
| Diadema Partners LP | 200.0k | 0.06% | $363k | opened | 2026 Q1 |
| Caitong International Asset Management CO., LTD | 197.6k | 0.06% | $359k | added +552.2% | 2025 Q3 |
| Scientech Research LLC | 188.5k | 0.06% | $342k | opened | 2025 Q3 |
| Catalyst Funds Management Pty LTD | 180.6k | 0.06% | $328k | opened | 2026 Q1 |
| CPP Investment Board | 175.6k | 0.05% | $319k | trimmed -9% | 2025 Q4 |
| NewEdge Advisors, LLC | 166.6k | 0.05% | $302k | added +23% | 2023 Q3 |
| FMR (Fidelity) | 148.7k | 0.04% | $270k | trimmed -1.4% | 2021 Q1 |
| Citigroup INC | 143.2k | 0.04% | $260k | added +40.5% | 2021 Q1 |
| Profund Advisors LLC | 123.3k | 0.04% | $224k | opened | 2026 Q1 |
| Diametric Capital, LP | 115.2k | 0.04% | $209k | opened | 2026 Q1 |
| Schonfeld Strategic Advisors | 108.7k | 0.03% | $197k | added +289.1% | 2025 Q2 |
| Omers Administration CORP | 96.5k | 0.03% | $175k | trimmed -70.9% | 2025 Q4 |
| BNY Mellon | 86.1k | 0.03% | $156k | added +132.4% | 2020 Q4 |
Largest 50 of 132 shown; the full ranked, searchable register is at boothcheck.com/holders/OCGN. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.