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ANTX

AN2 Therapeutics, Inc.
$4.42 -0.28 (-5.96%) At close · Jul 2
Market Cap
$159.19M
Shares
36,016,161

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 52
Total Value: $74,879,097
Total Shares: 21,894,480

Institutional Ownership Trend

17 quarters

Holder Concentration

Across 52 13F filers · Δ vs Dec 31, 2025
Top Holder
14.4%
Jun 2023 → Mar 2026 · range 11.8% – 42.5%
−2.7 pts
Top 5
49.6%
Jun 2023 → Mar 2026 · range 49.6% – 79.9%
−2.3 pts
Top 10
70.0%
Jun 2023 → Mar 2026 · range 70.0% – 95.5%
−5.4 pts
HHI
665
Jun 2023 → Mar 2026 · range 665 – 2,270
Broadly held−114

Quarterly Activity

vs Dec 31, 2025
New
25
Increased
13
Decreased
9
Sold Out
11
Unchanged
5
Holder count: +14
Institutional value: +373.5%
Shares held: +57.8%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega MILLENNIUM MANAGEMENT LLC +2,126,819 2,222,502
Large Woodline Partners LP +847,700 993,671
Mega JANE STREET GROUP, LLC +285,714 303,649
Small Stonepine Capital Management, LLC +86,177 713,845
Mega CITADEL ADVISORS LLC +39,703 155,239

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Small Almitas Capital LLC −2,975,164 1,479,129
Small Peapod Lane Capital LLC −533,542 59,854
Mega BANK OF MONTREAL /CAN/ −161,950 260,127
Large RENAISSANCE TECHNOLOGIES LLC −139,800 198,800
Mid LANDSCAPE CAPITAL MANAGEMENT, L.L.C. −133,594 298,166

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mid Vivo Capital, LLC 3,153,640 $10,785,448
Mid Commodore Capital LP 2,333,713 $7,981,298
Small Spruce Street Capital LP 1,661,073 $5,680,869
Mega VANGUARD CAPITAL MANAGEMENT LLC 1,011,078 $3,457,886
Large ADAGE CAPITAL PARTNERS GP, L.L.C. 1,000,000 $3,420,000

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
— Eric Easom 2,232,004 $2,544,484
Mega VANGUARD GROUP INC 1,080,070 $1,231,278
Small Pfizer Inc 715,295 $815,436
Large TWO SIGMA ADVISERS, LP 264,900 $301,986
Mega TWO SIGMA INVESTMENTS, LP 178,518 $203,510
Filter: New 25 Increased 13 Reduced 9 Sold out 11 Unchanged 5
Showing 52 of 52
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mid Vivo Capital, LLC $10,785,448 14.40% 3,153,640
Mid Commodore Capital LP $7,981,298 10.66% 2,333,713
Mega MILLENNIUM MANAGEMENT LLC $7,600,956 10.15% 2,222,502
Small Spruce Street Capital LP $5,680,869 7.59% 1,661,073
Small Almitas Capital LLC $5,058,621 6.76% 1,479,129
Mega VANGUARD CAPITAL MANAGEMENT LLC $3,457,886 4.62% 1,011,078
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $3,420,000 4.57% 1,000,000
Large Woodline Partners LP $3,398,354 4.54% 993,671
Small Boxer Capital Management, LLC $2,561,699 3.42% 749,035
Small Stonepine Capital Management, LLC $2,441,349 3.26% 713,845
Mega AMERIPRISE FINANCIAL INC $2,380,939 3.18% 696,181
Small Sio Capital Management, LLC $2,247,624 3.00% 657,200
Small Ally Bridge Group (NY) LLC $1,799,997 2.40% 526,315
Small Prosight Management, LP $1,763,878 2.36% 515,754
Large BANK OF NOVA SCOTIA Bank $1,570,443 2.10% 459,194
Mega BANK OF AMERICA CORP /DE/ Bank $1,346,460 1.80% 393,702
Mega BlackRock, Inc. $1,090,184 1.46% 318,768
Mega JANE STREET GROUP, LLC $1,038,478 1.39% 303,649
Mid LANDSCAPE CAPITAL MANAGEMENT, L.L.C. $1,019,727 1.36% 298,166
Mega GEODE CAPITAL MANAGEMENT, LLC $979,990 1.31% 286,547
Mega BANK OF MONTREAL /CAN/ Bank $889,634 1.19% 260,127
Mega MORGAN STANLEY $800,919 1.07% 234,187
Mid CANTOR FITZGERALD, L. P. $684,000 0.91% 200,000
Small Seven Fleet Capital Management LP $682,977 0.91% 199,701
Large RENAISSANCE TECHNOLOGIES LLC $679,896 0.91% 198,800
Mega CITADEL ADVISORS LLC $530,917 0.71% 155,239
Mega VANGUARD FIDUCIARY TRUST CO Bank $470,961 0.63% 137,708
Mega STATE STREET CORP $393,990 0.53% 115,202
Large Centiva Capital, LP $256,500 0.34% 75,000
Mega UBS Group AG $209,959 0.28% 61,392
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $204,858 0.27% 59,900
Small Peapod Lane Capital LLC $204,700 0.27% 59,854
Mega NORTHERN TRUST CORP Bank $147,730 0.20% 43,196
Large CAPTRUST FINANCIAL ADVISORS $136,800 0.18% 40,000
Small Persistent Asset Partners Ltd $130,490 0.17% 38,155
Large Hudson Bay Capital Management LP $118,349 0.16% 34,605
Large HRT FINANCIAL LP $112,600 0.15% 32,924
Mega BNP PARIBAS ARBITRAGE, SA $102,866 0.14% 30,078
Large Qube Research & Technologies Ltd $82,654 0.11% 24,168
Mid XTX Topco Ltd $76,614 0.10% 22,402
Mega CITIGROUP INC $65,280 0.09% 19,088
Large MARSHALL WACE, LLP $60,534 0.08% 17,700
Large OMERS ADMINISTRATION Corp $54,036 0.07% 15,800
Mid ADAR1 Capital Management, LLC $47,404 0.06% 13,861
Mid Private Advisor Group, LLC $42,750 0.06% 12,500
Large FEDERATED HERMES, INC. $28,461 0.04% 8,322
Mega Vanguard Global Advisers, LLC $25,082 0.03% 7,334
Small Caitong International Asset Management Co., Ltd $8,892 0.01% 2,600
Mid Tower Research Capital LLC (TRC) $1,963 0.00% 574
Mega BARCLAYS PLC $1,368 0.00% 400
Large OSAIC HOLDINGS, INC. $1,026 0.00% 300
Mid SBI Securities Co., Ltd. Broker-Dealer $687 0.00% 201
Key facts CIK 1880438 CUSIP 037326105 Visit website Investor relations

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