Rapid Micro Biosystems, Inc. (RPID) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

44,956,131Shares Outstanding

15,564,955Shares held by institutions

$30,662,961Value of institutional holdings

34.62%Institutional ownership %

22.36%Shares Changed QoQ

45No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Rapid Micro Biosystems, Inc. (NASDAQ:RPID) has 40 institutional investors that have filed 13F reports for the period ending December 2025.

Collectively, these holders controlled 31.7% of Rapid Micro Biosystems's outstanding shares in December 2025, down from 32.9% in September 2025.
They increased total shares held in RPID by 2.76% quarter over quarter, and investors in Rapid Micro Biosystems increased 100.0% from a year ago.
Of these 40 holders, 26 added to their stakes in Rapid Micro Biosystems, 8 trimmed positions, and 6 made no changes.
Institutional investors collectively held 14.25Mn shares in Rapid Micro Biosystems as of December 2025, up by 383.43K shares quarter on quarter, and up 2.29Mn shares year over year.
Bain Capital Life Sciences Investors, LLC is the top holder of Rapid Micro Biosystems as of December 31, 2025, with 8.43Mn shares representing 18.76% of outstanding stock.
Top purchasers of RPID stock for the quarter ending December 2025 included VANGUARD CAPITAL MANAGEMENT LLC (982.49K), ESSEX INVESTMENT MANAGEMENT CO LLC (821.6K), Evernest Financial Advisors, LLC (307.51K), Sei Investments Co (191.2K), MILLENNIUM MANAGEMENT LLC (166.78K).
The largest sales of RPID for the quarter ending December 2025 came from MARSHALL WACE, LLP (47.69K), Goldman Sachs Group Inc (38.7K), ADVENT INTERNATIONAL, L.P. (25.4K), Qube Research & Technologies Ltd (17.69K), NANO CAP NEW MILLENNIUM GROWTH FUND L P (12.5K).
Per Business Quant, the top 10 investors in RPID for the quarter ending December 2025 include Bain Capital Life Sciences Investors, LLC (8.43Mn), ABG-WTT Global Life Science Capital Partners GP Ltd (1.85Mn), VANGUARD CAPITAL MANAGEMENT LLC (982.49K), ESSEX INVESTMENT MANAGEMENT CO LLC (883.93K), ADVENT INTERNATIONAL, L.P. (552.38K), Evernest Financial Advisors, LLC (432.51K), Sei Investments Co (284.82K), MILLENNIUM MANAGEMENT LLC (283.28K), GEODE CAPITAL MANAGEMENT, LLC (247.18K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (212.11K).

85 Institutional Holders

15,564,955 Total Shares Held

Rows:

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Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Bain Capital Life Sciences Investors, LLC	31 Mar, 2026	8,434,560	0	0.00%	$19,146,451.00
Bain Capital Life Sciences Investors, LLC	31 Mar, 2026	8,434,560	0	0.00%	$24,460,224.00
ABG-WTT Global Life Science Capital Partners GP Ltd	31 Mar, 2026	1,848,296	0	0.00%	$5,360,058.00
ABG-WTT Global Life Science Capital Partners GP Ltd	31 Mar, 2026	1,848,296	0	0.00%	$4,195,632.00
VANGUARD CAPITAL MANAGEMENT LLC	31 Mar, 2026	982,494	982,494	0.00%	$2,230,261.00
VANGUARD GROUP INC	31 Mar, 2026	978,781	13,763	1.43%	$2,838,465.00
ESSEX INVESTMENT MANAGEMENT CO LLC	31 Mar, 2026	883,931	821,605	1,318.24%	$2,006,523.00
ADVENT INTERNATIONAL, L.P.	31 Mar, 2026	577,777	0	0.00%	$1,675,553.00
ADVENT INTERNATIONAL, L.P.	31 Mar, 2026	552,377	-25,400	-4.40%	$1,253,896.00
Evernest Financial Advisors, LLC	31 Mar, 2026	432,510	307,510	246.01%	$1,020,724.00
Schonfeld Strategic Advisors LLC	31 Mar, 2026	352,433	-294,146	-45.49%	$1,022,055.00
Sei Investments Co	31 Mar, 2026	284,816	191,200	204.24%	$646,532.00
MILLENNIUM MANAGEMENT LLC	31 Mar, 2026	283,280	166,778	143.15%	$643,046.00
GEODE CAPITAL MANAGEMENT, LLC	31 Mar, 2026	247,177	29,609	13.61%	$561,331.00
GEODE CAPITAL MANAGEMENT, LLC	31 Mar, 2026	217,568	12,881	6.29%	$631,116.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP	31 Mar, 2026	212,114	39,879	23.15%	$481,499.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP	31 Mar, 2026	172,235	113,848	194.99%	$499,482.00
BlackRock, Inc.	31 Mar, 2026	157,232	566	0.36%	$356,916.00
BlackRock, Inc.	31 Mar, 2026	156,666	-327,205	-67.62%	$454,332.00
JANE STREET GROUP, LLC	31 Mar, 2026	132,925	27,624	26.23%	$301,739.00

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Rapid Micro Biosystems, Inc. (RPID) Institutional Ownership

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Shares Purchased/Sold by Institutions

Ownership Summary

85 Institutional Holders

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Rapid Micro Biosystems, Inc. (RPID) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

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Shares Purchased/Sold by Institutions

Ownership Summary

85 Institutional Holders

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