Rapid Micro Biosystems, Inc. (RPID) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

44,250,000Shares Outstanding

11,031,464Shares held by institutions

$43,463,968Value of institutional holdings

32.21%Institutional ownership %

2.77%Shares Changed QoQ

40No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Recent 13F filings as of December 2025 show that 40 institutional investors hold a position in Rapid Micro Biosystems, Inc. (NASDAQ:RPID).

Rapid Micro Biosystems saw its institutional ownership percentage fell to 32.2% in December 2025 from 33.4% in September 2025.
Institutional share ownership changed by 2.77% QoQ, while the number of institutional owners saw an increase of 100.00% YoY.
The latest 13F cycle for Rapid Micro Biosystems reveals that of 40 total investors, 26 funds grew their exposure, whereas 7 reduced theirs and 7 made no changes.
This class of investors increased its holdings in Rapid Micro Biosystems to 14.25Mn shares for the 13F-cycle ending December 2025, up by 383.56K shares quarter on quarter, and up 2.30Mn shares year over year.
Bain Capital Life Sciences Investors, LLC's holding of 8.43Mn shares as of December 31, 2025 makes it the primary institutional investor in Rapid Micro Biosystems, owning 19.06% of the stock.
Among the most significant buyers of Rapid Micro Biosystems during December 2025 were CITADEL ADVISORS LLC (126.54K), 683 Capital Management, LLC (120.77K), MILLENNIUM MANAGEMENT LLC (116.50K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (113.85K), SEI INVESTMENTS CO (93.62K).
Leading sellers of Rapid Micro Biosystems stock in December 2025 included BlackRock, Inc. (327.20K), Schonfeld Strategic Advisors LLC (294.15K), Evernest Financial Advisors, LLC (75.23K), NORTHERN TRUST CORP (7.24K), RESOURCES MANAGEMENT CORP /CT/ /ADV (350).
The top 10 institutional holders of Rapid Micro Biosystems for the quarter ending December 2025 included 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 (125.00K).

40 Institutional Holders

11,031,464 Total Shares Held

Rows:

Download Data

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
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
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	56,182	540	0.97%	$162,481.00

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