AN2 Therapeutics, Inc. - ANTX
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Vivo Capital, LLC | History | New | 3,153,640 | 10,785 | 0.9% | — | 1 | +3,153,640 | New | Q1 2026 | May 20, 2026 |
| Commodore Capital LP | History | New | 2,333,713 | 7,981 | 0.46% | — | 2 | +2,333,713 | New | Q1 2026 | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Added to | 2,222,502 | 7,600 | 0.0% | 0.0% | 3 | +2,126,819 | 2222.78% | Q1 2026 | May 15, 2026 |
| Spruce Street Capital LP | History | New | 1,661,073 | 5,575 | 1.34% | — | 4 | +1,661,073 | New | Q1 2026 | May 14, 2026 |
| Almitas Capital LLC | History | No change | 1,479,129 | 5,058 | 1.14% | 0.37% | 5 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 1,011,078 | 3,457 | 0.0% | — | 6 | +1,011,078 | New | Q1 2026 | May 15, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | History | New | 1,000,000 | 3,420 | 0.01% | — | 7 | +1,000,000 | New | Q1 2026 | May 15, 2026 |
| Woodline Partners LP | History | Added to | 993,671 | 3,398 | 0.01% | 0.0% | 8 | +847,700 | 580.73% | Q1 2026 | May 15, 2026 |
| Boxer Capital Management, LLC | History | New | 749,035 | 2,561 | 0.34% | — | 9 | +749,035 | New | Q1 2026 | May 15, 2026 |
| Stonepine Capital Management, LLC | History | Added to | 713,845 | 2,441 | 0.98% | 0.52% | 10 | +86,177 | 13.73% | Q1 2026 | May 14, 2026 |
| AMERIPRISE FINANCIAL INC | History | New | 696,181 | 2,380 | 0.0% | — | 11 | +696,181 | New | Q1 2026 | May 15, 2026 |
| Sio Capital Management, LLC | History | New | 657,200 | 2,247 | 0.32% | — | 12 | +657,200 | New | Q1 2026 | May 14, 2026 |
| Ally Bridge Group (NY) LLC | History | New | 526,315 | 1,799 | 1.45% | — | 13 | +526,315 | New | Q1 2026 | May 15, 2026 |
| Prosight Management, LP | History | New | 515,754 | 1,763 | 0.29% | — | 14 | +515,754 | New | Q1 2026 | May 15, 2026 |
| BANK OF NOVA SCOTIA | History | No change | 459,194 | 1,570 | 0.0% | 0.0% | 15 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 393,702 | 1,346 | 0.0% | 0.0% | 16 | +8,390 | 2.18% | Q1 2026 | May 15, 2026 |
| Aldebaran Capital, LLC | History | Reduced | 371,770 | 1,271 | 0.97% | 0.38% | 17 | -5,000 | -1.33% | Q1 2026 | May 07, 2026 |
| VANGUARD GROUP INC | History | No change | 1,080,070 | 1,231 | 0.0% | 0.0% | 18 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| BlackRock, Inc. | History | Reduced | 318,768 | 1,090 | 0.0% | 0.0% | 19 | -4,567 | -1.41% | Q1 2026 | May 13, 2026 |
| JANE STREET GROUP, LLC | History | Added to | 303,649 | 1,038 | 0.0% | 0.0% | 20 | +285,714 | 1593.05% | Q1 2026 | May 12, 2026 |
| LANDSCAPE CAPITAL MANAGEMENT, L.L.C. | History | Reduced | 298,166 | 1,019 | 0.06% | 0.03% | 21 | -133,594 | -30.94% | Q1 2026 | May 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 286,547 | 980 | 0.0% | 0.0% | 22 | +34,672 | 13.77% | Q1 2026 | May 15, 2026 |
| BANK OF MONTREAL /CAN/ | History | Reduced | 260,127 | 889 | 0.0% | 0.0% | 23 | -161,950 | -38.37% | Q1 2026 | May 13, 2026 |
| MORGAN STANLEY | History | Added to | 234,187 | 800 | 0.0% | 0.0% | 24 | +4,417 | 1.92% | Q1 2026 | May 15, 2026 |
| CANTOR FITZGERALD, L. P. | History | New | 200,000 | 684 | 0.01% | — | 25 | +200,000 | New | Q1 2026 | May 15, 2026 |
| Seven Fleet Capital Management LP | History | New | 199,701 | 682 | 0.21% | — | 26 | +199,701 | New | Q1 2026 | Jun 04, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 198,800 | 679 | 0.0% | 0.0% | 27 | -139,800 | -41.29% | Q1 2026 | May 14, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 155,239 | 530 | 0.0% | 0.0% | 28 | +39,703 | 34.36% | Q1 2026 | May 15, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 137,708 | 470 | 0.0% | — | 29 | +137,708 | New | Q1 2026 | May 08, 2026 |
| STATE STREET CORP | History | Added to | 115,202 | 393 | 0.0% | 0.0% | 30 | +28,200 | 32.41% | Q1 2026 | May 15, 2026 |
| TWO SIGMA ADVISERS, LP | History | No change | 264,900 | 301 | 0.0% | 0.0% | 31 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Centiva Capital, LP | History | New | 75,000 | 256 | 0.0% | — | 32 | +75,000 | New | Q1 2026 | May 14, 2026 |
| UBS Group AG | History | Added to | 61,392 | 209 | 0.0% | 0.0% | 33 | +4,724 | 8.34% | Q1 2026 | May 05, 2026 |
| Peapod Lane Capital LLC | History | Reduced | 59,854 | 206 | 0.17% | 0.58% | 34 | -533,542 | -89.91% | Q1 2026 | May 01, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 59,900 | 204 | 0.0% | 0.0% | 35 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| NORTHERN TRUST CORP | History | No change | 43,196 | 147 | 0.0% | 0.0% | 36 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| CAPTRUST FINANCIAL ADVISORS | History | No change | 40,000 | 136 | 0.0% | 0.0% | 37 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Persistent Asset Partners Ltd | History | New | 38,155 | 130 | 0.05% | — | 38 | +38,155 | New | Q1 2026 | May 12, 2026 |
| Hudson Bay Capital Management LP | History | New | 34,605 | 118 | 0.0% | — | 39 | +34,605 | New | Q1 2026 | May 13, 2026 |
| HRT FINANCIAL LP | History | New | 32,924 | 112 | 0.0% | — | 40 | +32,924 | New | Q1 2026 | May 14, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Added to | 30,078 | 102 | 0.0% | — | 41 | +29,775 | 9826.73% | Q1 2026 | May 12, 2026 |
| Qube Research & Technologies Ltd | History | Added to | 24,168 | 82 | 0.0% | 0.0% | 42 | +13,984 | 137.31% | Q1 2026 | May 15, 2026 |
| XTX Topco Ltd | History | New | 22,402 | 76 | 0.0% | — | 43 | +22,402 | New | Q1 2026 | May 15, 2026 |
| CITIGROUP INC | History | New | 19,088 | 65 | 0.0% | — | 44 | +19,088 | New | Q1 2026 | May 11, 2026 |
| MARSHALL WACE, LLP | History | New | 17,700 | 60 | 0.0% | — | 45 | +17,700 | New | Q1 2026 | May 14, 2026 |
| OMERS ADMINISTRATION Corp | History | New | 15,800 | 54 | 0.0% | — | 46 | +15,800 | New | Q1 2026 | May 15, 2026 |
| ADAR1 Capital Management, LLC | History | New | 13,861 | 47 | 0.0% | — | 47 | +13,861 | New | Q1 2026 | May 15, 2026 |
| Private Advisor Group, LLC | History | Reduced | 12,500 | 42 | 0.0% | 0.0% | 48 | -10,000 | -44.44% | Q1 2026 | Apr 24, 2026 |
| FEDERATED HERMES, INC. | History | Reduced | 8,322 | 28 | 0.0% | 0.0% | 49 | -3,157 | -27.5% | Q1 2026 | May 11, 2026 |
| Vanguard Global Advisers, LLC | History | New | 7,334 | 25 | 0.0% | — | 50 | +7,334 | New | Q1 2026 | May 08, 2026 |
| Caitong International Asset Management Co., Ltd | History | New | 2,600 | 8 | 0.0% | — | 51 | +2,600 | New | Q1 2026 | May 11, 2026 |
| Tower Research Capital LLC (TRC) | History | Reduced | 574 | 1 | 0.0% | 0.0% | 52 | -1,466 | -71.86% | Q1 2026 | May 15, 2026 |
| BARCLAYS PLC | History | New | 400 | 1 | 0.0% | — | 54 | +400 | New | Q1 2026 | May 14, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 300 | 1 | 0.0% | — | 53 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| PFIZER INC | History | Closed out | 0 | 0 | — | 0.34% | — | -715,295 | -100.0% | Q1 2026 | May 12, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -178,518 | -100.0% | Q1 2026 | May 15, 2026 |
| Rangeley Capital, LLC | History | Closed out | 0 | 0 | — | 0.06% | — | -65,000 | -100.0% | Q1 2026 | May 15, 2026 |
| Squarepoint Ops LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -61,612 | -100.0% | Q1 2026 | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -22,240 | -100.0% | Q1 2026 | May 15, 2026 |
| Schonfeld Strategic Advisors LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -14,281 | -100.0% | Q1 2026 | May 15, 2026 |
| Valeo Financial Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,446 | -100.0% | Q1 2026 | May 08, 2026 |
| FMR LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -1,200 | -100.0% | Q1 2026 | May 15, 2026 |
| SBI Securities Co., Ltd. | History | Added to | 201 | 0 | — | — | — | +1 | 0.5% | Q1 2026 | Apr 27, 2026 |