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 (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Bain Capital Life Sciences Investors, Llc, Abg-Wtt Global Life Science Capital Partners Gp Ltd, Advent International, L.P., Parkman Healthcare Partners Llc, and Schonfeld Strategic Advisors Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Bain Capital Life Sciences Investors, LlcBuy+8,434,560—8,434,560$24.46MQ4 2025Feb 17, 2026
Abg-Wtt Global Life Science Capital Partners Gp LtdBuy+1,848,296—1,848,296$5.36MQ4 2025Feb 17, 2026
Advent International, L.P.Buy+577,777—577,777$1.68MQ4 2025Feb 17, 2026
Parkman Healthcare Partners LlcBuy+354,465—354,465$1.03MQ4 2025Feb 17, 2026
Schonfeld Strategic Advisors LlcBuy+352,433—352,433$1.02MQ4 2025Feb 17, 2026
Susquehanna International Group, LlpBuy+172,235—172,235$499.48KQ4 2025Feb 17, 2026
Citadel Advisors LlcBuy+126,539—126,539$366.96KQ4 2025Feb 17, 2026
683 Capital Management, LlcBuy+120,773—120,773$350.24KQ4 2025Feb 17, 2026
Millennium Management LlcBuy+116,502—116,502$337.86KQ4 2025Feb 17, 2026
Northern Trust CorpBuy+40,487—40,487$117.41KQ4 2025Feb 17, 2026
Qube Research & Technologies LtdBuy+33,099—33,099$95.99KQ4 2025Feb 17, 2026
Point72 Asset Management, L.P.Buy+30,367—30,367$88.06KQ4 2025Feb 17, 2026
Lighthouse Investment Partners, LlcBuy+15,720—15,720$45.59KQ4 2025Feb 17, 2026
Osaic Holdings, Inc.Buy+14,300—14,300$41.47KQ4 2025Feb 17, 2026
Bank Of America CorpBuy+12,929—12,929$37.49KQ4 2025Feb 17, 2026
Tower Research Capital Llc (Trc)Buy+317—317$919.00Q4 2025Feb 17, 2026
Evernest Financial Advisors, LlcBuy+125,000—125,000$468.75KQ4 2025Feb 13, 2026
Sei Investments CoBuy+93,616—93,616$271.49KQ4 2025Feb 13, 2026
State Street CorpBuy+91,474—91,474$265.27KQ4 2025Feb 13, 2026
Marshall Wace, LlpBuy+62,911—62,911$182.44KQ4 2025Feb 13, 2026
Essex Investment Management Co LlcBuy+62,326—62,326$180.75KQ4 2025Feb 13, 2026
Morgan StanleyBuy+31,389—31,389$91.03KQ4 2025Feb 13, 2026
Barclays PlcBuy+24,859—24,859$72.09KQ4 2025Feb 13, 2026
Omers Administration CorpBuy+24,400—24,400$70.76KQ4 2025Feb 13, 2026
Fifth Lane Capital, LpBuy+17,700—17,700$51.33KQ4 2025Feb 13, 2026
American Century Companies IncBuy+16,922—16,922$49.07KQ4 2025Feb 13, 2026
Citigroup IncBuy+4,832—4,832$14.01KQ4 2025Feb 13, 2026
Resources Management CorpBuy+500—500$1.00KQ4 2025Feb 13, 2026
Blackrock, Inc.Buy+156,666—156,666$454.33KQ4 2025Feb 12, 2026
Jane Street Group, LlcBuy+105,301—105,301$305.37KQ4 2025Feb 12, 2026
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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.