AN2 Therapeutics, Inc.
ANTX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001880438
In the last 90 days, AN2 Therapeutics, Inc. insiders filed 1 open-market purchase and 5 sales; 66 institutions reported holding it in 13F filings for Q2 2026, worth $119.0M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in AN2 Therapeutics, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 52
- +15 vs. Q4 2025
- Shares held
- 21.9M
- +14.3M (+188.6%) vs. Q4 2025
- Total value
- $74.8M
- +$66.1M (+764.7%) vs. Q4 2025
- New holders
- 25
- 13 more added
- Sold out
- 10
- 8 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ANTX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 66 | $119.0M |
| Q1 2026 | 52 | $74.8M |
| Q4 2025 | 38 | $9.88M |
| Q3 2025 | 36 | $10.5M |
| Q2 2025 | 37 | $8.78M |
| Q1 2025 | 38 | $19.5M |
| Q4 2024 | 38 | $20.1M |
| Q3 2024 | 31 | $14.5M |
| Q2 2024 | 45 | $41.7M |
| Q1 2024 | 54 | $60.9M |
| Q4 2023 | 51 | $417.9M |
| Q3 2023 | 37 | $320.3M |
| Q2 2023 | 31 | $99.9M |
| Q1 2023 | 38 | $94.8M |
| Q4 2022 | 36 | $92.9M |
| Q3 2022 | 38 | $165.1M |
| Q2 2022 | 36 | $72.4M |
| Q1 2022 | 18 | $134.1M |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding AN2 Therapeutics, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vivo Capital, LLC | 3,153,640 | $10.8M | 0.90% | +3,153,640 | New |
| Commodore Capital LP | 2,333,713 | $7.98M | 0.46% | +2,333,713 | New |
| Millennium Management LLC | 2,222,502 | $7.60M | 0.01% | +2,126,819+2,222.8% | Added |
| Spruce Street Capital LP | 1,661,073 | $5.58M | 1.34% | +1,661,073 | New |
| Almitas Capital LLC | 1,479,129 | $5.06M | 1.14% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 1,011,078 | $3.46M | 0.00% | +1,011,078 | New |
| Adage Capital Partners GP, L.L.C. | 1,000,000 | $3.42M | 0.01% | +1,000,000 | New |
| Woodline Partners LP | 993,671 | $3.40M | 0.01% | +847,700+580.7% | Added |
| Boxer Capital Management, LLC | 749,035 | $2.56M | 0.34% | +749,035 | New |
| Stonepine Capital Management, LLC | 713,845 | $2.44M | 2.15% | +86,177+13.7% | Added |
| Ameriprise Financial Inc | 696,181 | $2.38M | 0.00% | +696,181 | New |
| Sio Capital Management, LLC | 657,200 | $2.25M | 0.32% | +657,200 | New |
| Ally Bridge Group (NY) LLC | 526,315 | $1.80M | 1.79% | +526,315 | New |
| Prosight Management, LP | 515,754 | $1.76M | 0.29% | +515,754 | New |
| Bank of Nova Scotia | 459,194 | $1.57M | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 393,702 | $1.35M | 0.00% | +8,390+2.2% | Added |
| BlackRock, Inc. | 318,768 | $1.09M | 0.00% | −4,567−1.4% | Reduced |
| Jane Street Group, LLC | 303,649 | $1.04M | 0.00% | +285,714+1,593.1% | Added |
| Landscape Capital Management, L.L.C. | 298,166 | $1.02M | 0.06% | −133,594−30.9% | Reduced |
| Geode Capital Management, LLC | 286,547 | $980.8K | 0.00% | +34,672+13.8% | Added |
| Bank of Montreal | 260,127 | $889.6K | 0.00% | −161,950−38.4% | Reduced |
| Morgan Stanley | 234,187 | $800.9K | 0.00% | +4,417+1.9% | Added |
| Cantor Fitzgerald, L. P. | 200,000 | $684.0K | 0.02% | +200,000 | New |
| Seven Fleet Capital Management LP | 199,701 | $683.0K | 0.21% | +199,701 | New |
| Renaissance Technologies LLC | 198,800 | $679.9K | 0.00% | −139,800−41.3% | Reduced |
| Citadel Advisors LLC | 155,239 | $530.9K | 0.00% | +39,703+34.4% | Added |
| Vanguard Fiduciary Trust Co | 137,708 | $471.0K | 0.00% | +137,708 | New |
| State Street Corp | 115,202 | $394.0K | 0.00% | +28,200+32.4% | Added |
| Centiva Capital, LP | 75,000 | $256.5K | 0.01% | +75,000 | New |
| UBS Group AG | 61,392 | $210.0K | 0.00% | +4,724+8.3% | Added |
| Peapod Lane Capital LLC | 59,854 | $206.9K | 0.17% | −533,542−89.9% | Reduced |
| Bridgeway Capital Management, LLC | 59,900 | $204.9K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 43,196 | $147.7K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 40,000 | $136.8K | 0.00% | 00.0% | Unchanged |
| Persistent Asset Partners Ltd | 38,155 | $130.5K | 0.05% | +38,155 | New |
| Hudson Bay Capital Management LP | 34,605 | $118.3K | 0.00% | +34,605 | New |
| HRT Financial LP | 32,924 | $112.0K | 0.00% | +32,924 | New |
| BNP Paribas Arbitrage, SA | 30,078 | $102.9K | 0.00% | +29,775+9,826.7% | Added |
| Qube Research & Technologies Ltd | 24,168 | $82.7K | 0.00% | +13,984+137.3% | Added |
| XTX Topco Ltd | 22,402 | $76.6K | 0.00% | +22,402 | New |
| Citigroup Inc | 19,088 | $65.3K | 0.00% | +19,088 | New |
| Marshall Wace, LLP | 17,700 | $60.5K | 0.00% | +17,700 | New |
| Omers Administration Corp | 15,800 | $54.0K | 0.00% | +15,800 | New |
| ADAR1 Capital Management, LLC | 13,861 | $47.4K | 0.00% | +13,861 | New |
| Private Advisor Group, LLC | 12,500 | $42.8K | 0.00% | −10,000−44.4% | Reduced |
| Federated Hermes, Inc. | 8,322 | $28.5K | 0.00% | −3,157−27.5% | Reduced |
| Vanguard Global Advisers, LLC | 7,334 | $25.1K | 0.00% | +7,334 | New |
| Caitong International Asset Management Co., Ltd | 2,600 | $8.89K | 0.00% | +2,600 | New |
| Tower Research Capital LLC (TRC) | 574 | $1.96K | 0.00% | −1,466−71.9% | Reduced |
| Barclays PLC | 400 | $1.37K | 0.00% | +400 | New |
| Advisor Group Holdings, Inc. | 300 | $1.03K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 201 | $687 | 0.00% | +1+0.5% | Added |
| Pfizer Inc | 0 | $0 | 0.00% | −715,295−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −264,900−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −178,518−100.0% | Sold out |
| Rangeley Capital, LLC | 0 | $0 | 0.00% | −65,000−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −61,612−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −22,240−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −14,281−100.0% | Sold out |
| Valeo Financial Advisors, LLC | 0 | $0 | 0.00% | −10,446−100.0% | Sold out |
| FMR LLC | 0 | $0 | 0.00% | −1,200−100.0% | Sold out |
| Innovative Advisory Group, LLC | 0 | $0 | 0.00% | −1,170−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |