AN2 THERAPEUTICS INC (ANTX) Institutional Ownership Changes & 13F Activity

AN2 THERAPEUTICS INC (ANTX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Citadel Advisors Llc, Commodore Capital Lp, Summittx Capital, L.P., Balyasny Asset Management L.P., and Ameriprise Financial Inc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
State Street CorpBuy+196,400+170.5%311,602$1.51MQ2 2026Sep 22, 2026
Citadel Advisors LlcBuy+796,758+513.2%951,997$4.61MQ2 2026Sep 02, 2026
Stonepine Capital Management, LlcSell-162,153-22.7%551,692$2.67MQ2 2026Aug 17, 2026
Almitas Capital LlcSell-10,000-0.7%1,469,129$7.11MQ2 2026Aug 17, 2026
Seven Fleet Capital Management LpBuy+9,245+4.6%208,946$1.01MQ2 2026Aug 17, 2026
Commodore Capital LpBuy+599,967+25.7%2,933,680$14.20MQ2 2026Aug 14, 2026
Summittx Capital, L.P.Buy+597,453—597,453$2.89MQ2 2026Aug 14, 2026
Balyasny Asset Management L.P.Buy+556,027—556,027$2.69MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+537,064—537,064$2.60MQ2 2026Aug 14, 2026
Woodline Partners LpSell-533,866-53.7%459,805$2.23MQ2 2026Aug 14, 2026
Bank Of America CorpSell-247,899-63.0%145,803$705.69KQ2 2026Aug 14, 2026
Sio Capital Management, LlcSell-127,267-19.4%529,933$2.56MQ2 2026Aug 14, 2026
Millennium Management LlcBuy+96,190+4.3%2,318,692$11.22MQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+87,933—87,933$425.60KQ2 2026Aug 14, 2026
Charles Schwab Investment Management IncBuy+64,220—64,220$310.82KQ2 2026Aug 14, 2026
Adar1 Capital Management, LlcBuy+44,947+324.3%58,808$284.63KQ2 2026Aug 14, 2026
Prosight Management, LpSell-41,116-8.0%474,638$2.30MQ2 2026Aug 14, 2026
Velan Capital Investment Management LpBuy+40,000—40,000$193.60KQ2 2026Aug 14, 2026
Wells Fargo & Company/MnBuy+22,389—22,389$108.36KQ2 2026Aug 14, 2026
Price T Rowe Associates IncBuy+22,022—22,022$107.00KQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+15,913—15,913$77.02KQ2 2026Aug 14, 2026
Invesco Ltd.Buy+13,839—13,839$66.98KQ2 2026Aug 14, 2026
Mirae Asset Global Etfs Holdings Ltd.Buy+12,186—12,186$58.98KQ2 2026Aug 14, 2026
Barclays PlcBuy+5,091+1272.8%5,491$26.58KQ2 2026Aug 14, 2026
Legal & General Group PlcBuy+2,576—2,576$12.43KQ2 2026Aug 14, 2026
Royal Bank Of CanadaBuy+938—938$5.00KQ2 2026Aug 14, 2026
Vanguard Capital Management LlcBuy+227,627+22.5%1,238,705$6.00MQ2 2026Aug 13, 2026
Morgan StanleySell-184,808-78.9%49,379$239.00KQ2 2026Aug 13, 2026
Vanguard Portfolio Management LlcBuy+179,594—179,594$869.24KQ2 2026Aug 13, 2026
Northern Trust CorpBuy+171,725+397.5%214,921$1.04MQ2 2026Aug 13, 2026
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Frequently asked questions about ANTX activity

  • Which institutional owners are buying ANTX?

    Institutional owners buying ANTX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ANTX activity?

    "Buy" means an investor increased their reported position in ANTX compared to the prior reporting period. This reflects growing exposure to AN2 THERAPEUTICS INC (ANTX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ANTX increasing?

    Institutional interest in ANTX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.