Institutional Holders (2026 Q2)
291 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in RARE. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Ishara Investments LP | 5.03% | 205,000 | $6.8M |
| 2 | Eagle Health Investments LP | 4.89% | 884,121 | $29.5M |
| 3 | GordonMD Global Investments LP | 4.67% | 289,101 | $9.7M |
| 4 | Great Point Partners LLC | 3.79% | 600,000 | $20.0M |
| 5 | Sofinnova Investments, Inc. | 2.96% | 1,717,505 | $57.3M |
| 6 | MPM BioImpact LLC | 2.89% | 1,418,215 | $47.4M |
| 7 | Palo Alto Investors LP | 2.75% | 596,495 | $19.9M |
| 8 | Stonepine Capital Management, LLC | 2.57% | 200,000 | $5.5M |
| 9 | Sphera Funds Management LTD. | 2.56% | 588,494 | $19.6M |
| 10 | Rtw Investments, LP | 2.22% | 7,796,895 | $260.3M |
| 11 | B Group, Inc. | 2.12% | 135,000 | $4.5M |
| 12 | Privium Fund Management B.V. | 2.08% | 338,800 | $11.3M |
| 13 | Catalio Capital Management, LP | 1.98% | 316,252 | $10.6M |
| 14 | Rock Springs Capital Management LP | 1.58% | 967,855 | $32.3M |
| 15 | Bellevue Group AG | 1.39% | 1,982,775 | $66.2M |
| 16 | Flax Pond Capital, LLC | 0.96% | 57,938 | $1.2M |
| 17 | Blue Owl Capital Holdings LP | 0.92% | 182,638 | $6.1M |
| 18 | Frontier Capital Management Co LLC | 0.89% | 2,847,936 | $95.1M |
| 19 | Sofinnova Investments, Inc. | 0.86% | 500,000 | $16.7M |
| 20 | Knott David M Jr | 0.67% | 38,069 | $1.3M |
| 21 | Odyssean, LLC | 0.66% | 122,087 | $4.1M |
| 22 | Ikarian Capital, LLC | 0.60% | 165,617 | $5.5M |
| 23 | Squadron Capital Management LLC | 0.57% | 55,000 | $1.8M |
| 24 | Tetragon Partners GP Ltd | 0.53% | 100,000 | $3.3M |
| 25 | Atom Investors LP | 0.51% | 171,771 | $5.7M |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|