ARMATA PHARMACEUTICALS INC (ARMP) Institutional Ownership Changes & 13F Activity

ARMATA PHARMACEUTICALS INC (ARMP). 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 Blackrock, Inc., Millennium Management Llc, Geode Capital Management, Llc, Vanguard Capital Management Llc, and Dauntless Investment Group, Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Millennium Management LlcBuy+212,508+82.4%470,500$3.05MQ2 2026Aug 14, 2026
Charles Schwab Investment Management IncBuy+28,85728,857$186.99KQ2 2026Aug 14, 2026
Xtx Topco LtdBuy+10,82610,826$70.15KQ2 2026Aug 14, 2026
Wells Fargo & Company/MnBuy+10,818+1081800.0%10,819$70.10KQ2 2026Aug 14, 2026
Mirae Asset Global Etfs Holdings Ltd.Buy+5,4615,461$35.39KQ2 2026Aug 14, 2026
Barclays PlcBuy+2,830+1837.7%2,984$19.34KQ2 2026Aug 14, 2026
Legal & General Group PlcBuy+1,1611,161$7.52KQ2 2026Aug 14, 2026
Royal Bank Of CanadaBuy+497497$3.00KQ2 2026Aug 14, 2026
Bank Of America CorpSell-409-3.5%11,305$73.26KQ2 2026Aug 14, 2026
Vanguard Capital Management LlcBuy+121,940+33.3%487,968$3.16MQ2 2026Aug 13, 2026
Dauntless Investment Group, LlcBuy+113,311+125.1%203,891$1.32MQ2 2026Aug 13, 2026
Vanguard Portfolio Management LlcBuy+81,35481,354$527.17KQ2 2026Aug 13, 2026
Northern Trust CorpBuy+65,145+264.3%89,791$581.85KQ2 2026Aug 13, 2026
Edgewood Management LlcSell-20,000-20.0%80,000$518.40KQ2 2026Aug 13, 2026
Vanguard Fiduciary Trust CoBuy+11,631+17.1%79,495$515.13KQ2 2026Aug 13, 2026
Renaissance Technologies LLCBuy+9,822+25.5%48,318$313.10KQ2 2026Aug 13, 2026
Ubs Group AgBuy+9,348+214.9%13,697$88.76KQ2 2026Aug 13, 2026
Bnp Paribas Financial MarketsBuy+3,0383,038$19.69KQ2 2026Aug 13, 2026
Morgan StanleyBuy+1,216+36.1%4,583$29.70KQ2 2026Aug 13, 2026
Ameritas Investment Partners, Inc.Buy+1,0761,076$6.97KQ2 2026Aug 13, 2026
Fmr LlcBuy+342+1554.5%364$2.36KQ2 2026Aug 13, 2026
Geode Capital Management, LlcBuy+155,995+136.2%270,550$1.75MQ2 2026Aug 12, 2026
Rhumbline AdvisersBuy+8,4538,453$54.77KQ2 2026Aug 12, 2026
Jpmorgan Chase & CoBuy+4,9164,916$31.76KQ2 2026Aug 12, 2026
Simplex Trading, LlcBuy+794794$5.14KQ2 2026Aug 12, 2026
Nuveen, LlcBuy+15,90515,905$103.06KQ2 2026Aug 11, 2026
Tower Research Capital Llc (Trc)Buy+1,757+634.3%2,034$13.18KQ2 2026Aug 11, 2026
Madison Asset Management, LlcSell-500-0.0%2,107,175$13.65MQ2 2026Aug 10, 2026
Blackrock, Inc.Buy+494,936+760.9%559,986$3.63MQ2 2026Aug 07, 2026
State Street CorpBuy+78,800+155.1%129,600$839.81KQ2 2026Aug 07, 2026
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Frequently asked questions about ARMP activity

  • Which institutional owners are buying ARMP?

    Institutional owners buying ARMP 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 ARMP activity?

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

  • Is institutional interest in ARMP increasing?

    Institutional interest in ARMP 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.