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Rapid Micro Biosystems Inc (RPID)

CUSIP: 75340L104 | NYSE | Healthcare · Medical Devices | Micro Cap | 144 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13G/ABain Capital Life Sciences Fund, L.P.
with Bcip Life Sciences Associates, LP
7,651,36916.8%New 5%+ stakeJun 30, 2026No 13F filer matched
13GArmistice Capital, LLC3,328,0007.3%New 5%+ stakeJun 30, 2026No 13F filer matched
13G/ABain Capital Life Sciences Fund, L.P.7,651,369
16.8% of class · Jun 30, 2026New 5%+ stake
with Bcip Life Sciences Associates, LP
No 13F filer matched
13GArmistice Capital, LLC3,328,000
7.3% of class · Jun 30, 2026New 5%+ stake
No 13F filer matched

Institutional Holders — Q3 2026

Dimensional Fund Advisors LP63,506
0.0% of portfolio›$65.6K
Temasek Holdings (Private) Ltd43,636
0.0% of portfolio›$44.9K
Pekin Hardy Strauss, Inc.40,000
0.0% of portfolio›$41.2K
FNY Investment Advisers, LLC35,000
0.0% of portfolio›$36
Wealth Analytics Partners, LLC10,000
0.0% of portfolio›$10.3K
Dupont Capital Management Corp3,370
0.0% of portfolio›$3.5K
SBI Securities Co., Ltd.30
0.0% of portfolio›$31
Caitong International Asset Management Co., Ltd21
0.0% of portfolio›$22
StyleTurnoverLocationFiled
Dimensional Fund Advisors LP
63,506$65.6K0.0%IndexLowAustin, TX2026-11-04
Temasek Holdings (Private) Ltd
43,636$44.9K0.0%GrowthLowSingapore, Turkey2026-10-28
Pekin Hardy Strauss, Inc.
40,000$41.2K0.0%ValueMediumChicago, IL2026-11-02
FNY Investment Advisers, LLC
35,000$360.0%GrowthVery HighNew York, NY2026-10-16
Wealth Analytics Partners, LLC
10,000$10.3K0.0%ETFVery LowSan Diego, CA2026-10-19
Dupont Capital Management Corp
3,370$3.5K0.0%GARPLowWilmington, DE2026-10-23
SBI Securities Co., Ltd.
30$310.0%Agg GrowthLowTokyo, Mexico2026-10-22
Caitong International Asset Management Co., Ltd
21$220.0%GrowthVery HighHong Kong, South Korea2026-10-29