Institutional Holders (2026 Q2)
52 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in ANTX. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Ally Bridge Group (NY) LLC | 2.25% | 526,315 | $2.5M |
| 2 | Spruce Street Capital LP | 1.58% | 1,661,073 | $8.0M |
| 3 | Vivo Capital, LLC | 1.39% | 3,153,640 | $15.3M |
| 4 | Stonepine Capital Management, LLC | 1.25% | 551,692 | $2.7M |
| 5 | Commodore Capital LP | 0.85% | 2,933,680 | $14.2M |
| 6 | Sio Capital Management, LLC | 0.42% | 529,933 | $2.6M |
| 7 | Prosight Management, LP | 0.40% | 474,638 | $2.3M |
| 8 | Boxer Capital Management, LLC | 0.27% | 749,035 | $3.6M |
| 9 | Velan Capital Investment Management LP | 0.12% | 40,000 | $194K |
| 10 | SummitTX Capital, L.P. | 0.07% | 597,453 | $2.9M |
| 11 | Landscape Capital Management, L.L.C. | 0.05% | 167,446 | $810K |
| 12 | ADAR1 Capital Management, LLC | 0.01% | 58,808 | $285K |
| 13 | Woodline Partners LP | 0.01% | 459,805 | $2.2M |
| 14 | Adage Capital Partners GP, L.L.C. | 0.01% | 1,000,000 | $4.8M |
| 15 | Bronte Capital Management Pty Ltd. | 0.01% | 10,895 | $53K |
| 16 | Bridgeway Capital Management, LLC | 0.01% | 59,900 | $290K |
| 17 | Millennium Management LLC | 0.00% | 2,318,692 | $11.2M |
| 18 | Balyasny Asset Management L.P. | 0.00% | 556,027 | $2.7M |
| 19 | Walleye Capital LLC | 0.00% | 72,139 | $349K |
| 20 | Renaissance Technologies LLC | 0.00% | 129,700 | $628K |
| 21 | Citadel Advisors LLC | 0.00% | 951,997 | $4.6M |
| 22 | Ameriprise Financial Inc | 0.00% | 537,064 | $2.6M |
| 23 | Police & Firemen's Retirement System of New Jersey | 0.00% | 8,615 | $42K |
| 24 | Ameritas Investment Partners, Inc. | 0.00% | 2,402 | $12K |
| 25 | Captrust Financial Advisors | 0.00% | 40,165 | $194K |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|