Institutional Holders (2026 Q1)
111 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in RAPT. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Foresite Capital Management VI LLC | 16.00% | 1,562,500 | $52.9M |
| 2 | Medicxi Ventures Management (Jersey) Ltd | 11.33% | 2,794,000 | $94.6M |
| 3 | FCPM III SERVICES B.V. | 8.14% | 1,833,333 | $62.1M |
| 4 | Column Group LLC | 6.39% | 156,270 | $5.3M |
| 5 | GREAT POINT PARTNERS LLC | 6.38% | 581,187 | $19.7M |
| 6 | BOONE CAPITAL MANAGEMENT LLC | 5.00% | 470,456 | $15.9M |
| 7 | TCG Crossover Management, LLC | 2.89% | 2,582,408 | $87.5M |
| 8 | Octagon Capital Advisors LP | 2.36% | 574,000 | $19.4M |
| 9 | Redmile Group, LLC | 2.21% | 885,927 | $30.0M |
| 10 | Velan Capital Investment Management LP | 2.12% | 108,000 | $3.7M |
| 11 | AJU IB Investment Co., Ltd. | 1.85% | 12,437 | $421K |
| 12 | Caligan Partners LP | 1.80% | 644,400 | $21.8M |
| 13 | Ikarian Capital, LLC | 1.76% | 665,271 | $22.5M |
| 14 | MPM BioImpact LLC | 1.54% | 397,906 | $13.5M |
| 15 | Siren, L.L.C. | 1.39% | 1,375,000 | $46.6M |
| 16 | ADAR1 Capital Management, LLC | 1.25% | 509,679 | $17.3M |
| 17 | ORBIMED ADVISORS LLC | 1.14% | 1,642,891 | $55.6M |
| 18 | BRAIDWELL LP | 1.01% | 929,694 | $31.5M |
| 19 | Soleus Capital Management, L.P. | 0.95% | 764,000 | $25.9M |
| 20 | Tetragon Partners GP Ltd | 0.94% | 131,770 | $4.5M |
| 21 | Frazier Life Sciences Management, L.P. | 0.89% | 983,333 | $33.3M |
| 22 | Nantahala Capital Management, LLC | 0.84% | 754,153 | $25.5M |
| 23 | Ikarian Capital, LLC | 0.77% | 290,000 | $9.8M |
| 24 | Euclidean Capital LLC | 0.75% | 82,234 | $2.8M |
| 25 | Commodore Capital LP | 0.56% | 250,000 | $8.5M |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|