Institutional Holders (2026 Q2)
154 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in VSTM. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Stonepine Capital Management, LLC | 5.99% | 3,349,627 | $12.8M |
| 2 | Rosalind Advisors, Inc. | 5.66% | 3,986,509 | $15.2M |
| 3 | NEXTBio Capital Management LP | 2.30% | 1,306,800 | $5.0M |
| 4 | Foresite Capital Management VI LLC | 1.87% | 3,146,631 | $12.0M |
| 5 | Acorn Capital Advisors, LLC | 1.53% | 1,469,153 | $5.6M |
| 6 | Exome Asset Management LLC | 1.01% | 429,041 | $1.6M |
| 7 | Opaleye Management Inc. | 0.62% | 1,800,000 | $6.9M |
| 8 | AIGH Capital Management LLC | 0.46% | 1,927,000 | $7.4M |
| 9 | Nantahala Capital Management, LLC | 0.46% | 3,584,820 | $13.7M |
| 10 | Armistice Capital, LLC | 0.33% | 7,024,000 | $26.8M |
| 11 | Deep Track Capital, LP | 0.32% | 5,740,850 | $21.9M |
| 12 | Sphera Funds Management LTD. | 0.32% | 632,632 | $2.4M |
| 13 | Knott David M Jr | 0.31% | 155,000 | $592K |
| 14 | Virtus Investment Advisers, LLC | 0.25% | 283,630 | $1.1M |
| 15 | Torray Investment Partners LLC | 0.25% | 477,455 | $1.8M |
| 16 | Rtw Investments, LP | 0.22% | 6,635,793 | $25.3M |
| 17 | Palo Alto Investors LP | 0.16% | 309,685 | $1.2M |
| 18 | Diametric Capital, LP | 0.11% | 265,539 | $1.0M |
| 19 | Verdad Advisers, LP | 0.09% | 24,237 | $93K |
| 20 | Ikarian Capital, LLC | 0.09% | 213,865 | $817K |
| 21 | J. Goldman & Co LP | 0.06% | 650,074 | $2.5M |
| 22 | Hennion & Walsh Asset Management, Inc. | 0.06% | 569,195 | $2.2M |
| 23 | Baker BROS. Advisors LP | 0.05% | 2,499,338 | $9.5M |
| 24 | Pinnacle Financial Partners, Inc. | 0.03% | 1,086,440 | $4.2M |
| 25 | XTX Topco Ltd | 0.03% | 561,791 | $2.1M |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|