Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
241 institutional managers reported holding VIR for the quarter ended Mar 31, 2026. Together they hold about 94% of shares outstanding; the top 10 hold 57%. 61 opened new positions; 35 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 18.00M | 12.21% | $161.1M | added +10.2% | 2019 Q4 |
| Vanguard Group | 15.50M | 10.52% | $138.7M | added +23.5% | 2019 Q4 |
| Arch Venture Management, LLC (focused) | 12.92M | 8.77% | $115.6M | unchanged | 2025 Q2 |
| SB Investment Advisers (UK) LTD (focused) | 10.95M | 7.43% | $98.0M | trimmed -16.5% | 2019 Q4 |
| GSK plc (focused) | 8.55M | 5.80% | $76.5M | unchanged | 2025 Q4 |
| State Street | 7.14M | 4.85% | $63.9M | added +14.6% | 2019 Q4 |
| Goldman Sachs | 3.25M | 2.21% | $29.1M | added +107.2% | 2019 Q4 |
| Morgan Stanley | 2.85M | 1.94% | $25.5M | added +6.5% | 2019 Q4 |
| Adar1 Capital Management, LLC | 2.74M | 1.86% | $24.6M | opened | 2026 Q1 |
| Geode Capital | 2.66M | 1.80% | $23.8M | added +14.2% | 2019 Q4 |
| Dimensional Fund Advisors | 2.58M | 1.75% | $23.1M | added +1.7% | 2020 Q3 |
| Citadel Advisors | 2.10M | 1.42% | $18.8M | added +328.9% | 2022 Q3 |
| FMR (Fidelity) | 2.07M | 1.41% | $18.5M | trimmed -34.4% | 2020 Q4 |
| Soleus Capital Management, L.p. | 2.00M | 1.36% | $17.9M | opened | 2026 Q1 |
| Point72 | 1.95M | 1.32% | $17.5M | added +897.5% | 2025 Q4 |
| Boxer Capital Management, LLC | 1.87M | 1.27% | $16.7M | added +198.6% | 2025 Q4 |
| GordonMD Global Investments LP (focused) | 1.52M | 1.03% | $13.6M | added +63.2% | 2025 Q4 |
| Sio Capital Management, LLC | 1.50M | 1.02% | $13.4M | added +213.3% | 2024 Q4 |
| Pictet Asset Management Holding SA | 1.48M | 1.00% | $13.3M | added +10878.9% | 2025 Q1 |
| Hudson Bay Capital | 1.47M | 1.00% | $13.2M | added +10.9% | 2023 Q2 |
| Jacobs Levy Equity Management, INC | 1.44M | 0.98% | $12.9M | opened | 2023 Q3 |
| Two Sigma | 1.44M | 0.98% | $12.9M | added +144.2% | 2022 Q4 |
| Qube Research & Technologies LTD | 1.25M | 0.85% | $11.2M | added +1403.4% | 2023 Q2 |
| Clearstead Advisors, LLC | 1.22M | 0.82% | $10.9M | opened | 2025 Q2 |
| Jones Hill Capital LP (focused) | 1.20M | 0.81% | $10.7M | opened | 2026 Q1 |
| Charles Schwab Investment Management | 1.17M | 0.80% | $10.5M | added +29.5% | 2019 Q4 |
| Candriam S.c.a. | 1.14M | 0.77% | $10.2M | added +10.1% | 2025 Q4 |
| BNP Paribas Financial Markets | 1.08M | 0.73% | $9.7M | added +286% | 2024 Q4 |
| Ensign Peak Advisors, INC | 1.07M | 0.73% | $9.6M | added +101.5% | 2021 Q4 |
| Nuveen | 1.02M | 0.69% | $9.1M | added +80.2% | 2019 Q4 |
| Northern Trust | 985.4k | 0.67% | $8.8M | added +16.1% | 2019 Q4 |
| Bank OF America CORP /DE/ | 965.8k | 0.66% | $8.6M | added +3.7% | 2019 Q4 |
| UBS | 874.6k | 0.59% | $7.8M | added +62.3% | 2019 Q4 |
| D. E. Shaw | 817.7k | 0.56% | $7.3M | added +1542.2% | 2020 Q4 |
| Renaissance Technologies | 761.4k | 0.52% | $6.8M | added +23.9% | 2021 Q2 |
| Superstring Capital Management LP (focused) | 730.5k | 0.50% | $6.5M | opened | 2025 Q3 |
| Walleye Capital LLC | 665.6k | 0.45% | $6.0M | added +159.9% | 2023 Q2 |
| Avidity Partners Management LP (focused) | 619.3k | 0.42% | $5.5M | opened | 2026 Q1 |
| BNY Mellon | 584.0k | 0.40% | $5.2M | added +7.1% | 2019 Q4 |
| Nordea Investment Management AB | 580.8k | 0.39% | $5.2M | trimmed -4.8% | 2021 Q3 |
| AQR Capital | 566.0k | 0.38% | $5.1M | added +203.8% | 2020 Q3 |
| Principal Financial Group INC | 547.8k | 0.37% | $4.9M | added +21.6% | 2020 Q2 |
| Empyrean Capital Partners, LP | 527.8k | 0.36% | $4.7M | opened | 2026 Q1 |
| Alta Partners Management Company, L.p. (focused) | 509.9k | 0.35% | $4.6M | unchanged | 2024 Q4 |
| Parkman Healthcare Partners LLC | 500.0k | 0.34% | $4.5M | opened | 2026 Q1 |
| Millennium Management | 489.4k | 0.33% | $4.4M | trimmed -51.2% | 2020 Q2 |
| Algert Global LLC | 489.0k | 0.33% | $4.4M | opened | 2026 Q1 |
| Invesco | 421.3k | 0.29% | $3.8M | added +3.9% | 2020 Q2 |
| Public Sector Pension Investment Board | 403.8k | 0.27% | $3.6M | added +23.8% | 2022 Q2 |
| Ameriprise Financial INC | 395.0k | 0.27% | $3.5M | trimmed -46% | 2021 Q1 |
Largest 50 of 241 shown; the full ranked, searchable register is at boothcheck.com/holders/VIR. 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.