Institutional Holders (2026 Q1)
75 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in KPTI. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Squadron Capital Management LLC | 1.53% | 750,000 | $4.2M |
| 2 | Ally Bridge Group (NY) LLC | 1.12% | 250,000 | $1.4M |
| 3 | Catalio Capital Management, LP | 1.04% | 897,709 | $5.0M |
| 4 | Avidity Partners Management LP | 0.87% | 463,741 | $3.9M |
| 5 | Commodore Capital LP | 0.63% | 1,950,000 | $10.9M |
| 6 | ACORN CAPITAL ADVISORS, LLC | 0.46% | 287,826 | $1.6M |
| 7 | Ikarian Capital, LLC | 0.42% | 920,000 | $5.1M |
| 8 | Ikarian Capital, LLC | 0.42% | 920,000 | $5.1M |
| 9 | Ikarian Capital, LLC | 0.33% | 733,435 | $4.1M |
| 10 | Birchview Capital, LP | 0.27% | 83,952 | $468K |
| 11 | DIADEMA PARTNERS LP | 0.23% | 241,300 | $1.3M |
| 12 | Boxer Capital Management, LLC | 0.22% | 302,536 | $1.7M |
| 13 | Affinity Asset Advisors, LLC | 0.14% | 500,000 | $2.8M |
| 14 | RA CAPITAL MANAGEMENT, L.P. | 0.11% | 1,917,354 | $10.7M |
| 15 | Soleus Capital Management, L.P. | 0.10% | 440,000 | $2.5M |
| 16 | SILVERBACK ASSET MANAGEMENT LLC | 0.08% | 100,000 | $557K |
| 17 | Eversept Partners, LP | 0.08% | 276,174 | $1.5M |
| 18 | ADAR1 Capital Management, LLC | 0.07% | 205,200 | $1.1M |
| 19 | DAFNA Capital Management LLC | 0.06% | 45,800 | $255K |
| 20 | Tetragon Partners GP Ltd | 0.06% | 52,984 | $295K |
| 21 | Tetragon Partners GP Ltd | 0.05% | 50,000 | $278K |
| 22 | SILVERBACK ASSET MANAGEMENT LLC | 0.05% | 65,000 | $362K |
| 23 | Velan Capital Investment Management LP | 0.05% | 15,000 | $84K |
| 24 | ADAR1 Capital Management, LLC | 0.04% | 136,736 | $762K |
| 25 | Caption Management, LLC | 0.04% | 1,086,900 | $6.1M |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|