How many institutions held RPID - RAPID MICRO BIOSYSTEMS, INC. - Common Stock, par value $0.01 in Q1 2023?

30 institutional investors reported RPID - RAPID MICRO BIOSYSTEMS, INC. - Common Stock, par value $0.01 for Q1 2023. Use the holders table for investor-level position and value details.

RAPID MICRO BIOSYSTEMS, INC. - Common Stock, par value $0.01 (RPID)

Q: What does CUSIP 75340L104 represent in this 13F holders report?

CUSIP 75340L104 is the security identifier for RPID - RAPID MICRO BIOSYSTEMS, INC. - Common Stock, par value $0.01 used to aggregate holder disclosures.

CUSIP: 75340L104

Q1 2023 13F Holders as of 31 Mar 2023

Type / Class: Equity / Common Stock, par value $0.01
Shares outstanding: 39,598,228
Total 13F shares: 22,805,840
Share change: -3,149,014
Total reported value: $29,875,332
Price per share: $1.31
Number of holders: 30
Value change: -$3,621,510
Number of buys: 5
Number of sells: 23

Quarterly Holders Quick Answers

What is CUSIP 75340L104?
CUSIP 75340L104 identifies RPID - RAPID MICRO BIOSYSTEMS, INC. - Common Stock, par value $0.01 in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2023
Previous quarter: Q4 2022

Recent filing periods for CUSIP 75340L104:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of RPID - RAPID MICRO BIOSYSTEMS, INC. - Common Stock, par value $0.01 (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
KENNEDY LEWIS MANAGEMENT LP	3/4/5 13F	10%+ Owner · Company	12% from 13F	2,904,490	$13,548,284	—	02 Jun 2022	3/4/5 13F
Bain Capital Life Sciences Investors, LLC	13F 3/4/5	Company · 10%+ Owner	21%	8,434,560	$9,531,000	—	31 Dec 2022	13F 3/4/5
T. Rowe Price Investment Management, Inc.	13F	Company	5.5%	2,194,185	$2,480,000	—	31 Dec 2022	13F
ABG-WTT Global Life Science Capital Partners GP Ltd	13F	Company	2.6%	1,038,296	$1,173,274	—	31 Dec 2022	13F
GOLDMAN SACHS GROUP INC	13F	Company	2.6%	1,033,341	$1,167,675	—	31 Dec 2022	13F
BlackRock Finance, Inc.	13F	Company	2.6%	1,025,422	$1,158,727	—	31 Dec 2022	13F
GLENVIEW CAPITAL MANAGEMENT, LLC	13F	Company	2%	810,391	$915,742	—	31 Dec 2022	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	2%	800,504	$905,000	—	31 Dec 2022	13F
VANGUARD GROUP INC	13F	Company	1.8%	729,600	$824,448	—	31 Dec 2022	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	1.8%	716,209	$809,316	—	31 Dec 2022	13F
Ally Bridge Group (NY) LLC	13F	Company	1.8%	699,664	$790,620	—	31 Dec 2022	13F
ADVENT INTERNATIONAL, L.P.	13F	Company	1.5%	577,777	$652,888	—	31 Dec 2022	13F
Rhenman & Partners Asset Management AB	13F	Company	0.76%	300,000	$339,000	—	31 Dec 2022	13F
Gurinder Grewal	3/4/5	10%+ Owner	— class O/S missing	294,990	$291,863	—	19 Jul 2021	3/4/5
Oasis Management Co Ltd.	13F	Company	0.47%	187,617	$212,007	—	31 Dec 2022	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	0.41%	161,400	$182,382	—	31 Dec 2022	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.35%	138,000	$155,940	—	31 Dec 2022	13F
Longitude Prime Partners, LLC	3/4/5	10%+ Owner	— class O/S missing	150,000	$148,410	—	19 Jul 2021	3/4/5
FRED ALGER MANAGEMENT, LLC	13F	Company	0.31%	123,845	$139,945	—	31 Dec 2022	13F
TD ASSET MANAGEMENT INC	13F	Company	0.3%	117,184	$132,418	—	31 Dec 2022	13F
Jonathan Paris	3/4/5	SVP, GENERAL COUNSEL	— mixed-class rows	325,398 mixed-class rows	$127,334	—	09 Mar 2023	3/4/5
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.25%	97,921	$110,000	—	31 Dec 2022	13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F	Company	0.13%	53,144	$65,817	—	31 Dec 2022	13F
Magnetar Financial LLC	13F	Company	0.14%	56,935	$64,000	—	31 Dec 2022	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.12%	47,553	$54,000	—	31 Dec 2022	13F
Richard A. Keys	3/4/5	CHIEF COMMERCIAL OFFICER	— mixed-class rows	131,250 mixed-class rows	$43,286	—	11 Feb 2022	3/4/5
Ergoteles LLC	13F	Company	0.08%	30,574	$34,549	—	31 Dec 2022	13F
Bank of New York Mellon Corp	13F	Company	0.08%	29,934	$33,826	—	31 Dec 2022	13F
STATE STREET CORP	13F	Company	0.07%	26,074	$29,464	—	31 Dec 2022	13F
Parkwood LLC	13F	Company	0.06%	24,511	$28,000	—	31 Dec 2022	13F
NORTHERN TRUST CORP	13F	Company	0.05%	21,515	$24,312	—	31 Dec 2022	13F
CITADEL ADVISORS LLC	13F	Company	0.05%	20,683	$23,372	—	31 Dec 2022	13F
Schonfeld Strategic Advisors LLC	13F	Company	0.04%	15,000	$16,950	—	31 Dec 2022	13F
MORGAN STANLEY	13F	Company	0.04%	13,874	$15,677	—	31 Dec 2022	13F
BOOTHBAY FUND MANAGEMENT, LLC	13F	Company	0.03%	11,959	$13,514	—	31 Dec 2022	13F
Tower Research Capital LLC (TRC)	13F	Company	0.03%	10,401	$12,000	—	31 Dec 2022	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.01%	5,714	$6,457	—	31 Dec 2022	13F
Belpointe Asset Management LLC	13F	Company	0.01%	3,100	$3,503	—	31 Dec 2022	13F
Arena Investors LP	13F	Company	0%	1,965	$2,220	—	31 Dec 2022	13F
JPMORGAN CHASE & CO	13F	Company	0%	1,276	$1,000	—	31 Dec 2022	13F
RESOURCES MANAGEMENT CORP /CT/ /ADV	13F	Company	0%	500	$1,000	—	31 Dec 2022	13F
UBS Group AG	13F	Company	0%	593	$670	—	31 Dec 2022	13F
CITIGROUP INC	13F	Company	0%	138	$156	—	31 Dec 2022	13F
Advisory Services Network, LLC	13F	Company	0%	100	$113	—	31 Dec 2022	13F
WELLS FARGO & COMPANY/MN	13F	Company	0%	79	$89	—	31 Dec 2022	13F
Alexander Schmitz	3/4/5	Director	— class O/S missing	25,000	—	—	14 Jul 2021	3/4/5

Institutional Holders of RAPID MICRO BIOSYSTEMS, INC. - Common Stock, par value $0.01 (RPID) as of Q1 2023

As of 31 Mar 2023, RAPID MICRO BIOSYSTEMS, INC. - Common Stock, par value $0.01 (RPID) was held by 30 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 22,805,840 shares. The largest 10 holders included Bain Capital Life Sciences Investors, LLC, KENNEDY LEWIS MANAGEMENT LP, JPMORGAN CHASE & CO, ABG-WTT Global Life Science Capital Partners GP Ltd, BlackRock Inc., GOLDMAN SACHS GROUP INC, GLENVIEW CAPITAL MANAGEMENT, LLC, PRICE T ROWE ASSOCIATES INC /MD/, VANGUARD GROUP INC, and ADAGE CAPITAL PARTNERS GP, L.L.C.. This page lists 30 institutional shareholders reporting positions in this security for the Q1 2023 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2023 vs Q4 2022 Across Filers

Q4 2022 holders

Q1 2023 holders

Holder diff

-10

Investor	Q4 2022 Shares	Q1 2023 Shares	Share Diff	Share Chg %	Q4 2022 Value $	Q1 2023 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.