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RAPID MICRO BIOSYSTEMS, INC.

RPIDNASDAQ
$0.98+0.06 (+6.09% today)
Legend
Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.
Company share activityNet buybacksNo changeNet dilution
Marker size reflects transaction size.
  • Insider buy
  • Insider sell
  • Congress buy
  • Congress sell
  • Hedge Funds bought vs sold
Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

  • Insider Buy
  • Insider Sell
  • Congress Buy
  • Congress Sell
  • Hedge funds bought vs sold
  • BuybackNo changeNet dilution

RAPID MICRO BIOSYSTEMS, INC. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-73.6%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding

Largest institutional holders

13F · Q2 2026
Fund% of company heldValue% of portfolioQuarterly activity
Bain Capital Life Sciences Investors, LLCNot reported$14.6M0.87%Not reported
Armistice Capital, LLCNot reported$5.76M0.07%Not reported
ABG-WTT Global Life Science Capital Partners GP LtdNot reported$3.2M37.39%Not reported
Vanguard Capital Management LLCNot reported$1.7M0.00%Not reported
Evernest Financial Advisors, LLCNot reported$875K0.18%Add 16.99%
Advent International, L.P.Not reported$657K0.00%Reduce 31.24%
Essex Investment Management Co LLCNot reported$627K0.08%Reduce 58.97%
Millennium Management LLCNot reported$409K0.00%Not reported
Geode Capital Management, LLCNot reported$395K0.00%Not reported
Renaissance Technologies LLCNot reported$367K0.00%Not reported
BlackRock, Inc.Not reported$328K0.00%Not reported
Legato Capital Management LLCNot reported$207K0.02%Reduce 56.52%
Vanguard Fiduciary Trust CoNot reported$191K0.00%Not reported
Dimensional Fund Advisors LPNot reported$180K0.00%Not reported
State Street CorpNot reported$162K0.00%Not reported
XTX Topco LtdNot reported$138K0.00%Not reported
Sei Investments CoNot reported$116K0.00%Not reported
Northern Trust CorpNot reported$72.8K0.00%Not reported
Algert Global LLCNot reported$66.3K0.00%Not reported
Morgan StanleyNot reported$47.7K0.00%Not reported
Jane Street Group, LLCNot reported$44.9K0.00%Not reported
Citadel Advisors LLCNot reported$27.9K0.00%Not reported
Osaic Holdings, Inc.Not reported$24.7K0.00%Not reported
Nano Cap New Millennium Growth Fund L PNot reported$21.6K0.02%Not reported
American Century Companies IncNot reported$20.1K0.00%Not reported
Vanguard Global Advisers, LLCNot reported$20.1K0.00%Not reported
Larson Financial Group LLCNot reported$14.5K0.00%Not reported
UBS Group AGNot reported$11.4K0.00%Not reported
Tower Research Capital LLC (TRC)Not reported$3.29K0.00%Not reported
Barclays PLCNot reported$5830.00%Not reported
JPMorgan Chase & CoNot reported$1890.00%Not reported
Caitong International Asset Management Co., LtdNot reported$610.00%Not reported
SBI Securities Co., Ltd.Not reported$260.00%Not reported
End of history · 33 holders

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