Institutional Holders (2026 Q1)
65 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in BBOT. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Omega Fund Management, LLC | 18.05% | 3,289,661 | $29.4M |
| 2 | Cormorant Asset Management, LP | 8.04% | 17,878,594 | $160.0M |
| 3 | Enavate Sciences GP, LLC | 6.69% | 2,626,946 | $23.5M |
| 4 | Aisling Capital Management LP | 1.91% | 1,018,018 | $9.1M |
| 5 | Novo Holdings A/S | 1.59% | 2,185,923 | $19.6M |
| 6 | EcoR1 Capital, LLC | 1.07% | 2,823,126 | $25.3M |
| 7 | Laurion Capital Management LP | 0.75% | 1,922,656 | $17.2M |
| 8 | Octagon Capital Advisors LP | 0.71% | 719,000 | $6.4M |
| 9 | Alphabet Inc. | 0.63% | 2,823,126 | $25.3M |
| 10 | Deerfield Management Company, L.P. | 0.52% | 4,885,446 | $43.7M |
| 11 | Armistice Capital, LLC | 0.21% | 1,328,000 | $11.9M |
| 12 | Ikarian Capital, LLC | 0.20% | 270,231 | $2.4M |
| 13 | HighVista Strategies LLC | 0.19% | 78,187 | $700K |
| 14 | Casdin Capital, LLC | 0.19% | 282,312 | $2.5M |
| 15 | Sio Capital Management, LLC | 0.17% | 130,628 | $1.2M |
| 16 | Paradigm Biocapital Advisors LP | 0.16% | 868,213 | $7.8M |
| 17 | Granahan Investment Management, LLC | 0.10% | 231,040 | $2.1M |
| 18 | Avidity Partners Management LP | 0.08% | 43,853 | $369K |
| 19 | Eventide Asset Management, LLC | 0.08% | 541,181 | $4.7M |
| 20 | Opaleye Management Inc. | 0.06% | 53,282 | $477K |
| 21 | Royce & Associates LP | 0.06% | 636,522 | $5.7M |
| 22 | Tema Etfs LLC | 0.05% | 82,172 | $735K |
| 23 | Diametric Capital, LP | 0.04% | 16,280 | $146K |
| 24 | Axq Capital, LP | 0.02% | 17,347 | $155K |
| 25 | Moore Capital Management, LP | 0.02% | 100,000 | $895K |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|