ASSEMBLY BIOSCIENCES INC (ASMB) Institutional Ownership Changes & 13F Activity

ASSEMBLY BIOSCIENCES INC (ASMB). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. 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 LLCBuy6,41115,651$434,315
Q4 2025Renaissance Technologies LLCSell-144,3719,240$314,252
Q3 2025Renaissance Technologies LLCBuy46,090153,611$3,932,442
Q2 2025Renaissance Technologies LLCSell-5,790107,521$1,948,281
Q1 2025Renaissance Technologies LLCBuy18,600113,311$1,083,253
Q4 2024Renaissance Technologies LLCBuy29,08794,711$1,494,540
Q3 2024Renaissance Technologies LLCBuy10,71365,624$993,547
Q2 2024Renaissance Technologies LLCBuy15,45154,911$753,379
Q1 2024Renaissance Technologies LLCBuy39,46039,460$525

Frequently asked questions about ASMB activity

  • Which institutional owners are buying ASMB?

    Institutional owners buying ASMB 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 ASMB activity?

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

  • Is institutional interest in ASMB increasing?

    Institutional interest in ASMB 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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