Institutional Holders (2026 Q2)
255 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in TARS. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Tang Capital Management LLC | 4.48% | 1,568,266 | $98.7M |
| 2 | Deep Track Capital, LP | 3.36% | 3,666,768 | $230.8M |
| 3 | Paradigm Biocapital Advisors LP | 3.27% | 2,775,649 | $174.7M |
| 4 | Tri Locum Partners LP | 2.54% | 328,340 | $20.7M |
| 5 | Rtw Investments, LP | 1.80% | 3,357,059 | $211.3M |
| 6 | Vestal Point Capital, LP | 1.54% | 1,050,000 | $66.1M |
| 7 | Seven Fleet Capital Management LP | 1.31% | 117,067 | $7.9M |
| 8 | HighVista Strategies LLC | 1.25% | 87,060 | $5.5M |
| 9 | MPM BioImpact LLC | 1.24% | 322,007 | $20.3M |
| 10 | Frazier Life Sciences Management, L.P. | 1.00% | 728,644 | $45.9M |
| 11 | Parkman Healthcare Partners LLC | 0.97% | 150,000 | $9.4M |
| 12 | Sands Capital Alternatives, LLC | 0.87% | 85,000 | $5.3M |
| 13 | Rock Springs Capital Management LP | 0.85% | 277,087 | $17.4M |
| 14 | Sectoral Asset Management Inc | 0.58% | 13,285 | $836K |
| 15 | Odyssean, LLC | 0.42% | 41,394 | $2.6M |
| 16 | Cormorant Asset Management, LP | 0.32% | 100,000 | $6.3M |
| 17 | VARCOV Co. | 0.31% | 13,057 | $822K |
| 18 | Hussman Strategic Advisors, INC. | 0.30% | 21,000 | $1.3M |
| 19 | Virtus Investment Advisers, LLC | 0.28% | 18,771 | $1.2M |
| 20 | Emerald Investment Advisers, LLC | 0.25% | 59,747 | $3.8M |
| 21 | PSP Research LLC | 0.23% | 7,000 | $441K |
| 22 | PFM Health Sciences, LP | 0.22% | 40,579 | $2.6M |
| 23 | Ikarian Capital, LLC | 0.21% | 31,166 | $2.0M |
| 24 | Yorktown Management & Research Co Inc | 0.19% | 4,950 | $312K |
| 25 | Eversept Partners, LP | 0.18% | 55,710 | $3.5M |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|