RAPID MICRO BIOSYSTEMS INC-A (RPID) Institutional Ownership Changes & 13F Activity

RAPID MICRO BIOSYSTEMS INC-A (RPID). 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 LLCBuy10,990126,617$287,421
Q4 2025Renaissance Technologies LLCBuy5,440115,627$335,318
Q3 2025Renaissance Technologies LLCSell-800110,187$368,025
Q2 2025Renaissance Technologies LLCBuy400110,987$382,905
Q1 2025Renaissance Technologies LLCSell-72,500110,587$291,950
Q4 2024Renaissance Technologies LLCBuy100,942183,087$164,778
Q3 2024Renaissance Technologies LLCBuy16,15882,145$73,109
Q2 2024Renaissance Technologies LLCBuy8,60065,987$43,551
Q1 2024Renaissance Technologies LLCSell-20,50057,387$56
Q4 2023Renaissance Technologies LLCBuy55,50077,887$58
Q3 2023Renaissance Technologies LLCSell-5,37922,387$24
Q2 2023Renaissance Technologies LLCSell-12,93427,766$28
Q1 2023Renaissance Technologies LLCBuy40,70040,700$53

Frequently asked questions about RPID activity

  • Which institutional owners are buying RPID?

    Institutional owners buying RPID 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 RPID activity?

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

  • Is institutional interest in RPID increasing?

    Institutional interest in RPID 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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