AN2 TherapeuticsANTX
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 52 institutions reported holding AN2 Therapeutics Inc. (ANTX) in their 13F filings, up 14 from Q4 2025. 22 opened new positions and 9 sold out. The largest holders were Vivo Capital, LLC ($10.8M), Commodore Capital LP ($8.0M) and Millennium Management ($7.6M). 3 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- AN2 Therapeutics Inc.
- CUSIP
- 037326105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 22 | $40.8M |
| Exits | 9 | $1.2M |
All 13F filers, Q4 2025 → Q1 2026: 15,475,423 shares bought and 2,057,838 shares sold, net +13,417,585 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 52 holders
| Vivo Capital, LLC | 0.90% | New | 3,153,640 | $10.8M |
| Commodore Capital LP | 0.46% | New | 2,333,713 | $8.0M |
| Millennium Management | 0.01% | Add +2222.8% | 2,222,502 | $7.6M |
| Spruce Street Capital LP | 1.34% | New | 1,661,073 | $5.6M |
| Almitas Capital LLC | 1.14% | No change | 1,479,129 | $5.1M |
| Vanguard Capital Management LLC | 0.00% | — | 1,011,078 | $3.5M |
| Adage Capital Partners Gp, L.L.C. | 0.01% | New | 1,000,000 | $3.4M |
| Woodline Partners LP | 0.01% | Add +580.7% | 993,671 | $3.4M |
| Boxer Capital Management, LLC | 0.34% | New | 749,035 | $2.6M |
| Stonepine Capital Management, LLC | 2.15% | Add +13.7% | 713,845 | $2.4M |
| Ameriprise Financial Inc. | 0.00% | New | 696,181 | $2.4M |
| Sio Capital Management, LLC | 0.32% | New | 657,200 | $2.2M |
| Ally Bridge Group (NY) LLC | 1.79% | New | 526,315 | $1.8M |
| Prosight Management, LP | 0.29% | New | 515,754 | $1.8M |
| Bank of Nova Scotia | 0.00% | No change | 459,194 | $1.6M |
| Bank of America Corp. | 0.00% | Add +2.2% | 393,702 | $1.3M |
| BlackRock, Inc. | 0.00% | Reduce -1.4% | 318,768 | $1.1M |
| Jane Street Group, LLC | 0.00% | Add +1593.0% | 303,649 | $1.0M |
| Landscape Capital Management, L.L.C. | 0.06% | Reduce -30.9% | 298,166 | $1.0M |
| Geode Capital Management, LLC | 0.00% | Add +13.8% | 286,547 | $981K |
| Bank of Montreal | 0.00% | Reduce -38.4% | 260,127 | $890K |
| Morgan Stanley | 0.00% | Add +1.9% | 234,187 | $801K |
| Cantor Fitzgerald, L. P. | 0.02% | New | 200,000 | $684K |
| Seven Fleet Capital Management LP | 0.21% | New | 199,701 | $683K |
| Renaissance Technologies | 0.00% | Reduce -41.3% | 198,800 | $680K |
| Citadel Advisors | 0.00% | Add +34.4% | 155,239 | $531K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 137,708 | $471K |
| State Street Corp. | 0.00% | Add +32.4% | 115,202 | $394K |
| Centiva Capital, LP | 0.01% | New | 75,000 | $257K |
| UBS Group AG | 0.00% | Add +8.3% | 61,392 | $210K |
| Peapod Lane Capital LLC | 0.17% | Reduce -89.9% | 59,854 | $207K |
| Bridgeway Capital Management, LLC | 0.00% | No change | 59,900 | $205K |
| Northern Trust Corp. | 0.00% | No change | 43,196 | $148K |
| Captrust Financial Advisors | 0.00% | No change | 40,000 | $137K |
| Persistent Asset Partners Ltd | 0.05% | New | 38,155 | $130K |
| Hudson Bay Capital Management LP | 0.00% | New | 34,605 | $118K |
| HRT Financial LP | 0.00% | New | 32,924 | $112K |
| BNP Paribas Financial Markets | 0.00% | Add +9826.7% | 30,078 | $103K |
| Qube Research & Technologies Ltd | 0.00% | Add +137.3% | 24,168 | $83K |
| XTX Topco Ltd | 0.00% | New | 22,402 | $77K |
| Citigroup Inc. | 0.00% | New | 19,088 | $65K |
| Marshall Wace, LLP | 0.00% | New | 17,700 | $61K |
| OMERS ADMINISTRATION Corp | 0.00% | New | 15,800 | $54K |
| ADAR1 Capital Management, LLC | 0.00% | New | 13,861 | $47K |
| Private Advisor Group, LLC | 0.00% | Reduce -44.4% | 12,500 | $43K |
| Federated Hermes, Inc. | 0.00% | Reduce -27.5% | 8,322 | $28K |
| Vanguard Global Advisers, LLC | 0.00% | — | 7,334 | $25K |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 2,600 | $9K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -71.9% | 574 | $2K |
| Barclays PLC | 0.00% | New | 400 | $1K |
| Osaic Holdings, Inc. | 0.00% | No change | 300 | $1K |
| SBI Securities Co., Ltd. | 0.00% | Add +0.5% | 201 | $687 |
"% of holder's portfolio" is ANTX's weight in each manager's 13F, not the share of AN2 Therapeutics Inc. the manager owns.