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 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCSell-30,00038,496$394,199
Q4 2025Renaissance Technologies LLCBuy27,20068,496$430,155
Q3 2025Renaissance Technologies LLCBuy2,40041,296$123,062
Q2 2025Renaissance Technologies LLCBuy30038,896$73,902
Q1 2025Renaissance Technologies LLCSell-1,69538,596$56,350
Q4 2024Renaissance Technologies LLCSell-6,20540,291$74,538
Q3 2024Renaissance Technologies LLCSell-1,70046,496$110,196
Q2 2024Renaissance Technologies LLCSell-3,20048,196$132,539
Q1 2024Renaissance Technologies LLCSell-2,20051,396$215
Q4 2023Renaissance Technologies LLCSell-3,90053,596$174
Q3 2023Renaissance Technologies LLCSell-4,90057,496$172
Q2 2023Renaissance Technologies LLCSell-80062,396$71
Q1 2023Renaissance Technologies LLCSell-10,50063,196$106
Q4 2022Renaissance Technologies LLCBuy3,90073,696$91
Q3 2022Renaissance Technologies LLCSell-10,20069,796$295
Q2 2022Renaissance Technologies LLCSell-1,70079,996$311
Q1 2022Renaissance Technologies LLCSell-3,10081,696$399
Q4 2021Renaissance Technologies LLCSell-21,29684,796$465
Q3 2021Renaissance Technologies LLCSell-10,604106,092$384
Q2 2021Renaissance Technologies LLCSell-7,120116,696$463
Q1 2021Renaissance Technologies LLCBuy24,820123,816$592
Q4 2020Renaissance Technologies LLCBuy5,29898,996$295
Q3 2020Renaissance Technologies LLCBuy8,82193,698$299
Q2 2020Renaissance Technologies LLCBuy18,15084,877$333
Q1 2020Renaissance Technologies LLCSell-7,42766,727$207
Q4 2019Renaissance Technologies LLCSell-1,50074,154$241
Q3 2019Renaissance Technologies LLCBuy80075,654$280
Q2 2019Renaissance Technologies LLCBuy74,85474,854$300

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.

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