COMPASS THERAPEUTICS INC (CMPX) Institutional Ownership Changes & 13F Activity

COMPASS THERAPEUTICS INC (CMPX) 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 Sequoia Financial Advisors and Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Sequoia Financial AdvisorsSell-35915,535$82,181
Q4 2025Sequoia Financial AdvisorsBuy14115,894$85,351
Q3 2025Renaissance Technologies LLCSell-145,60079,000$276,500
Q3 2025Sequoia Financial AdvisorsSell-73215,753$55,136
Q2 2025Renaissance Technologies LLCSell-96,900224,600$583,960
Q2 2025Sequoia Financial AdvisorsSell-11,44916,485$42,861
Q1 2025Renaissance Technologies LLCBuy42,900321,500$610,850
Q1 2025Sequoia Financial AdvisorsSell-2,94227,934$53,075
Q4 2024Renaissance Technologies LLCBuy56,000278,600$403,970
Q4 2024Sequoia Financial AdvisorsBuy30,87630,876$44,771
Q3 2024Renaissance Technologies LLCBuy82,000222,600$409,584
Q2 2024Renaissance Technologies LLCBuy70,200140,600$140,600
Q1 2024Renaissance Technologies LLCSell-106,39970,400$139
Q4 2023Renaissance Technologies LLCBuy149,999176,799$276
Q3 2023Renaissance Technologies LLCSell-25,50026,800$53
Q1 2023Renaissance Technologies LLCBuy40052,300$171
Q4 2022Renaissance Technologies LLCSell-12,31551,900$261
Q3 2022Renaissance Technologies LLCSell-1,95064,215$146
Q2 2022Renaissance Technologies LLCBuy52,86566,165$175
Q1 2022Renaissance Technologies LLCBuy13,30013,300$18

Frequently asked questions about CMPX activity

  • Which institutional owners are buying CMPX?

    Institutional owners buying CMPX 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 CMPX activity?

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

  • Is institutional interest in CMPX increasing?

    Institutional interest in CMPX 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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