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 |
|---|---|---|---|---|---|
| SBI Securities Co., Ltd. | 201 | $687 | 0.00% | +1+0.5% | Added |
| Advisor Group Holdings, Inc. | 300 | $1.03K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 400 | $1.37K | 0.00% | +400 | New |
| Tower Research Capital LLC (TRC) | 574 | $1.96K | 0.00% | −1,466−71.9% | Reduced |
| Caitong International Asset Management Co., Ltd | 2,600 | $8.89K | 0.00% | +2,600 | New |
| Vanguard Global Advisers, LLC | 7,334 | $25.1K | 0.00% | +7,334 | New |
| Federated Hermes, Inc. | 8,322 | $28.5K | 0.00% | −3,157−27.5% | Reduced |
| Private Advisor Group, LLC | 12,500 | $42.8K | 0.00% | −10,000−44.4% | Reduced |
| ADAR1 Capital Management, LLC | 13,861 | $47.4K | 0.00% | +13,861 | New |
| Omers Administration Corp | 15,800 | $54.0K | 0.00% | +15,800 | New |
| Marshall Wace, LLP | 17,700 | $60.5K | 0.00% | +17,700 | New |
| Citigroup Inc | 19,088 | $65.3K | 0.00% | +19,088 | New |
| XTX Topco Ltd | 22,402 | $76.6K | 0.00% | +22,402 | New |
| Qube Research & Technologies Ltd | 24,168 | $82.7K | 0.00% | +13,984+137.3% | Added |
| BNP Paribas Arbitrage, SA | 30,078 | $102.9K | 0.00% | +29,775+9,826.7% | Added |
| HRT Financial LP | 32,924 | $112.0K | 0.00% | +32,924 | New |
| Hudson Bay Capital Management LP | 34,605 | $118.3K | 0.00% | +34,605 | New |
| Persistent Asset Partners Ltd | 38,155 | $130.5K | 0.05% | +38,155 | New |
| Captrust Financial Advisors | 40,000 | $136.8K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 43,196 | $147.7K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 59,900 | $204.9K | 0.00% | 00.0% | Unchanged |
| Peapod Lane Capital LLC | 59,854 | $206.9K | 0.17% | −533,542−89.9% | Reduced |
| UBS Group AG | 61,392 | $210.0K | 0.00% | +4,724+8.3% | Added |
| Centiva Capital, LP | 75,000 | $256.5K | 0.01% | +75,000 | New |
| State Street Corp | 115,202 | $394.0K | 0.00% | +28,200+32.4% | Added |
| Vanguard Fiduciary Trust Co | 137,708 | $471.0K | 0.00% | +137,708 | New |
| Citadel Advisors LLC | 155,239 | $530.9K | 0.00% | +39,703+34.4% | Added |
| Renaissance Technologies LLC | 198,800 | $679.9K | 0.00% | −139,800−41.3% | Reduced |
| Seven Fleet Capital Management LP | 199,701 | $683.0K | 0.21% | +199,701 | New |
| Cantor Fitzgerald, L. P. | 200,000 | $684.0K | 0.02% | +200,000 | New |
| Morgan Stanley | 234,187 | $800.9K | 0.00% | +4,417+1.9% | Added |
| Bank of Montreal | 260,127 | $889.6K | 0.00% | −161,950−38.4% | Reduced |
| Geode Capital Management, LLC | 286,547 | $980.8K | 0.00% | +34,672+13.8% | Added |
| Landscape Capital Management, L.L.C. | 298,166 | $1.02M | 0.06% | −133,594−30.9% | Reduced |
| Jane Street Group, LLC | 303,649 | $1.04M | 0.00% | +285,714+1,593.1% | Added |
| BlackRock, Inc. | 318,768 | $1.09M | 0.00% | −4,567−1.4% | Reduced |
| Bank of America Corp | 393,702 | $1.35M | 0.00% | +8,390+2.2% | Added |
| Bank of Nova Scotia | 459,194 | $1.57M | 0.00% | 00.0% | Unchanged |
| Prosight Management, LP | 515,754 | $1.76M | 0.29% | +515,754 | New |
| Ally Bridge Group (NY) LLC | 526,315 | $1.80M | 1.79% | +526,315 | New |
| Sio Capital Management, LLC | 657,200 | $2.25M | 0.32% | +657,200 | New |
| Ameriprise Financial Inc | 696,181 | $2.38M | 0.00% | +696,181 | New |
| Stonepine Capital Management, LLC | 713,845 | $2.44M | 2.15% | +86,177+13.7% | Added |
| Boxer Capital Management, LLC | 749,035 | $2.56M | 0.34% | +749,035 | New |
| Woodline Partners LP | 993,671 | $3.40M | 0.01% | +847,700+580.7% | Added |
| Adage Capital Partners GP, L.L.C. | 1,000,000 | $3.42M | 0.01% | +1,000,000 | New |
| Vanguard Capital Management LLC | 1,011,078 | $3.46M | 0.00% | +1,011,078 | New |
| Almitas Capital LLC | 1,479,129 | $5.06M | 1.14% | 00.0% | Unchanged |
| Spruce Street Capital LP | 1,661,073 | $5.58M | 1.34% | +1,661,073 | New |
| Millennium Management LLC | 2,222,502 | $7.60M | 0.01% | +2,126,819+2,222.8% | Added |
| Commodore Capital LP | 2,333,713 | $7.98M | 0.46% | +2,333,713 | New |
| Vivo Capital, LLC | 3,153,640 | $10.8M | 0.90% | +3,153,640 | New |
| 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 |