Rapid Micro Biosystems, Inc. (RPID) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

44,956,131Shares Outstanding

14,306,447Shares held by institutions

$35,909,182Value of institutional holdings

31.82%Institutional ownership %

3.16%Shares Changed QoQ

40No. 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.

They owned 31.7% of outstanding stock in December 2025, down from 32.9% the prior quarter.
Their total shares held in RPID increased 2.76% quarter over quarter, and separately, investors owning 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.
Combined, these investors held 14.25Mn shares in RPID for December 2025, up by 383.43K shares quarter on quarter, and up 2.29Mn shares year over year.
Bain Capital Life Sciences Investors, LLC leads ownership in RPID with 8.43Mn shares as of December 31, 2025, equal to 18.76% of outstanding shares.
Top purchasers of RPID stock for the quarter ending December 2025 included CITADEL ADVISORS LLC (126.54K), 683 Capital Management, LLC (120.77K), MILLENNIUM MANAGEMENT LLC (116.5K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (113.85K), Goldman Sachs Group Inc (110.61K).
The largest sellers of Rapid Micro Biosystems for the quarter ending December 2025 were BlackRock, Inc. (327.2K), Schonfeld Strategic Advisors LLC (294.15K), Evernest Financial Advisors, LLC (75.23K), Northern Trust Corp (7.24K), RESOURCES MANAGEMENT CORP /CT/ /ADV (350).
According to Business Quant data, leading holders of RPID for December 2025 are Bain Capital Life Sciences Investors, LLC (8.43Mn), ABG-WTT Global Life Science Capital Partners GP Ltd (1.85Mn), VANGUARD GROUP INC (978.78K), ADVENT INTERNATIONAL, L.P. (577.78K), Schonfeld Strategic Advisors LLC (352.43K), GEODE CAPITAL MANAGEMENT, LLC (217.57K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (172.24K), BlackRock, Inc. (156.67K), CITADEL ADVISORS LLC (126.54K), Evernest Financial Advisors, LLC (125.0K).

40 Institutional Holders

14,306,447 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 Dec, 2025	8,434,560	0	0.00%	$24,460,224.00
ABG-WTT Global Life Science Capital Partners GP Ltd	31 Dec, 2025	1,848,296	0	0.00%	$5,360,058.00
VANGUARD GROUP INC	31 Dec, 2025	978,781	13,763	1.43%	$2,838,465.00
ADVENT INTERNATIONAL, L.P.	31 Dec, 2025	577,777	0	0.00%	$1,675,553.00
Schonfeld Strategic Advisors LLC	31 Dec, 2025	352,433	-294,146	-45.49%	$1,022,055.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	217,568	12,881	6.29%	$631,116.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP	31 Dec, 2025	172,235	113,848	194.99%	$499,482.00
BlackRock, Inc.	31 Dec, 2025	156,666	-327,205	-67.62%	$454,332.00
CITADEL ADVISORS LLC	31 Dec, 2025	126,539	126,539	0.00%	$366,963.00
Evernest Financial Advisors, LLC	31 Dec, 2025	125,000	-75,234	-37.57%	$468,750.00
683 Capital Management, LLC	31 Dec, 2025	120,773	120,773	0.00%	$350,242.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	116,502	116,502	0.00%	$337,856.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	115,627	5,440	4.94%	$335,318.00
Goldman Sachs Group Inc	31 Dec, 2025	110,612	110,612	0.00%	$320,774.00
JANE STREET GROUP, LLC	31 Dec, 2025	105,301	67,161	176.09%	$305,372.00
Sei Investments Co	31 Dec, 2025	93,616	93,616	0.00%	$271,486.00
State Street Corp	31 Dec, 2025	91,474	0	0.00%	$265,275.00
Informed Momentum Co LLC	31 Dec, 2025	77,182	77,182	0.00%	$223,828.00
MARSHALL WACE, LLP	31 Dec, 2025	62,911	62,911	0.00%	$182,443.00
ESSEX INVESTMENT MANAGEMENT CO LLC	31 Dec, 2025	62,326	0	0.00%	$180,745.00

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