Institutional Holders (2026 Q1)
144 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in BIOA. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | a16z Capital Management, L.L.C. | 4.38% | 3,233,170 | $56.5M |
| 2 | Pivotal bioVenture Partners Investment Advisor LLC | 4.08% | 653,374 | $11.4M |
| 3 | Cosmic Management, LLC | 3.84% | 501,833 | $8.8M |
| 4 | Octagon Capital Advisors LP | 3.38% | 1,748,000 | $30.6M |
| 5 | Sands Capital Alternatives, LLC | 3.27% | 786,353 | $13.8M |
| 6 | Cormorant Asset Management, LP | 2.54% | 2,890,605 | $50.6M |
| 7 | Alessandra Capital Management, LLC | 1.59% | 135,660 | $1.8M |
| 8 | Sofinnova Investments, Inc. | 1.52% | 2,293,788 | $40.1M |
| 9 | Stempoint Capital LP | 1.15% | 338,654 | $5.9M |
| 10 | Braidwell LP | 0.70% | 1,200,587 | $21.0M |
| 11 | Stonepine Capital Management, LLC | 0.35% | 50,000 | $874K |
| 12 | Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 0.32% | 20,796 | $364K |
| 13 | Ra Capital Management, L.P. | 0.31% | 1,650,648 | $28.9M |
| 14 | Verdad Advisers, LP | 0.30% | 15,210 | $266K |
| 15 | Orbimed Advisors LLC | 0.25% | 711,811 | $12.4M |
| 16 | Sphera Funds Management LTD. | 0.24% | 86,518 | $1.5M |
| 17 | Diadema Partners LP | 0.18% | 60,000 | $1.0M |
| 18 | Comprehensive Financial Management LLC | 0.16% | 271,842 | $4.8M |
| 19 | ADAR1 Capital Management, LLC | 0.14% | 135,560 | $2.4M |
| 20 | Militia Capital Management LLC | 0.13% | 32,286 | $565K |
| 21 | Valor Management LLC | 0.13% | 13,105 | $229K |
| 22 | Persistent Asset Partners Ltd | 0.10% | 15,167 | $265K |
| 23 | Burkehill Global Management, LP | 0.09% | 100,000 | $1.7M |
| 24 | Polar Capital Holdings Plc | 0.07% | 1,132,640 | $19.8M |
| 25 | Informed Momentum Co LLC | 0.07% | 34,809 | $609K |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|