RPID — Rapid Micro Biosystems Inc Institutional Holders · Q2 2026

Name: Who Owns RPID? 48 Institutions Hold $30.3M (Q2 2026)
Creator: ko.io

Who owns Rapid Micro Biosystems Inc (RPID)? 48 institutions reported holding $30.31M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Bain Capital Life Sciences Investors, LLC ($14.6M), Armistice Capital, LLC ($5.8M), ABG-WTT Global Life Science Capital Partners GP Ltd ($3.2M).

Rank	Institution	Value	Shares	Change
1	Bain Capital Life Sciences Investors, LLC	$14.6M	8.4M	Hold
2	ARMISTICE CAPITAL, LLC	$5.8M	3.3M	New
3	ABG-WTT Global Life Science Capital Partners GP Ltd	$3.2M	1.8M	Hold
4	VANGUARD GROUP INC	$1.9M	1.1M	Added
5	Evernest Financial Advisors, LLC	$875,380	506,000	Added
6	Advent International, L.P.	$657,044	379,794	Trimmed
7	ESSEX INVESTMENT MANAGEMENT CO LLC	$627,464	362,696	Trimmed
8	MILLENNIUM MANAGEMENT LLC	$409,316	236,599	Trimmed
9	GEODE CAPITAL MANAGEMENT, LLC	$394,706	228,041	Trimmed
10	RENAISSANCE TECHNOLOGIES LLC	$366,935	212,101	Added
11	BlackRock, Inc.	$328,410	189,832	Added
12	Legato Capital Management LLC	$206,794	119,534	Trimmed
13	DIMENSIONAL FUND ADVISORS LP	$180,253	104,192	Added
14	STATE STREET CORP	$162,402	93,874	Hold
15	XTX Topco Ltd	$137,928	79,727	Added
16	SEI INVESTMENTS CO	$115,683	66,869	Trimmed
17	NORTHERN TRUST CORP	$72,843	42,106	Trimmed
18	ALGERT GLOBAL LLC	$66,271	38,307	Added
19	MORGAN STANLEY	$47,726	27,587	Trimmed
20	JANE STREET GROUP, LLC	$44,861	25,931	Trimmed
21	HRT FINANCIAL LP	$39,000	23,093	New
22	CITADEL ADVISORS LLC	$27,926	16,142	New
23	OSAIC HOLDINGS, INC.	$24,739	14,300	Added
24	NANO CAP NEW MILLENNIUM GROWTH FUND L P	$21,625	12,500	Hold
25	AMERICAN CENTURY COMPANIES INC	$20,134	11,638	Trimmed

Source: SEC Form 13F filings · as of 2026-06-30