Institutional Holders (2026 Q1)
197 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in GPCR. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Bvf Inc/Il | 5.31% | 3,459,358 | $166.7M |
| 2 | B Group, Inc. | 4.56% | 127,500 | $6.1M |
| 3 | Casdin Capital, LLC | 4.29% | 1,175,000 | $56.6M |
| 4 | Deep Track Capital, LP | 3.37% | 4,279,848 | $206.3M |
| 5 | Avoro Capital Advisors LLC | 3.11% | 6,555,555 | $316.0M |
| 6 | NEXTBio Capital Management LP | 2.98% | 133,239 | $6.4M |
| 7 | Birchview Capital, LP | 2.74% | 100,000 | $4.8M |
| 8 | Catalio Capital Management, LP | 2.57% | 255,379 | $12.3M |
| 9 | Stempoint Capital LP | 1.88% | 200,267 | $9.7M |
| 10 | Rock Springs Capital Management LP | 1.82% | 640,217 | $30.9M |
| 11 | Siren, L.L.C. | 1.78% | 1,328,698 | $64.0M |
| 12 | Davern Capital Partners, LP | 1.67% | 126,461 | $6.1M |
| 13 | HighVista Strategies LLC | 1.65% | 123,909 | $6.0M |
| 14 | Buckland Partners Management Co LLC | 1.46% | 50,000 | $2.4M |
| 15 | Sio Capital Management, LLC | 1.45% | 209,093 | $10.1M |
| 16 | Orbimed Advisors LLC | 1.41% | 1,475,403 | $71.1M |
| 17 | Flax Pond Capital, LLC | 1.40% | 36,000 | $1.7M |
| 18 | Monashee Investment Management LLC | 1.31% | 50,000 | $2.4M |
| 19 | Pacific Heights Asset Management LLC | 1.21% | 750,000 | $36.1M |
| 20 | Logos Global Management LP | 1.20% | 500,000 | $24.1M |
| 21 | Parkman Healthcare Partners LLC | 1.15% | 232,093 | $11.2M |
| 22 | Diadema Partners LP | 1.05% | 127,500 | $6.1M |
| 23 | Jones Hill Capital LP | 1.04% | 100,593 | $4.8M |
| 24 | Platinum Investment Management Ltd | 0.81% | 66,864 | $3.2M |
| 25 | Rhenman & Partners Asset Management AB | 0.76% | 128,100 | $6.2M |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|