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

CUSIP: 75340L104

Q1 2025 13F Holders as of 31 Mar 2025

Type / Class
Equity / Common Stock, par value $0.01
Shares outstanding
39,598,228
Total 13F shares
15,315,094
Share change
+3,366,010
Total reported value
$40,431,707
Price per share
$2.64
Number of holders
28
Value change
+$9,172,017
Number of buys
22
Number of sells
8

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.

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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
10%+ Owner
class O/S missing
2,904,490
$13,548,284 02 Jun 2022
Robert G. Spignesi Jr.
13D/G
SPIGNESI ROBERT G JR
6.3%
2,647,256
$9,133,033 $0 28 Mar 2024
Bain Capital Life Sciences Investors, LLC
3/4/5 13F
10%+ Owner · Company
21%
from 13F
8,434,560
$8,345,154 19 Jul 2021
Jeffrey Lawrence Schwartz
3/4/5
Director, 10%+ Owner
mixed-class rows
8,477,510
mixed-class rows
$8,288,331 23 May 2024
ABG-WTT Global Life Science Capital Partners GP Ltd
13F
Company
2.6%
1,038,296
$934,466 31 Dec 2024
13F
VANGUARD GROUP INC
13F
Company
1.8%
721,133
$649,020 31 Dec 2024
13F
ADVENT INTERNATIONAL, L.P.
13F
Company
1.5%
577,777
$519,999 31 Dec 2024
13F
BlackRock, Inc.
13F
Company
1.4%
572,879
$515,592 31 Dec 2024
13F
Gurinder Grewal
3/4/5
10%+ Owner
class O/S missing
294,990
$291,863 19 Jul 2021
RENAISSANCE TECHNOLOGIES LLC
13F
Company
0.46%
183,087
$164,778 31 Dec 2024
13F
Longitude Prime Partners, LLC
3/4/5
10%+ Owner
class O/S missing
150,000
$148,410 19 Jul 2021
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
0.39%
153,112
$137,862 31 Dec 2024
13F
Jonathan Paris
3/4/5
SVP, GENERAL COUNSEL
mixed-class rows
325,398
mixed-class rows
$127,334 09 Mar 2023
Victoria Vezina
3/4/5
CHIEF HUMAN RESOURCES OFFICER
mixed-class rows
168,608
mixed-class rows
$110,468 11 Mar 2024
CITADEL ADVISORS LLC
13F
Company
0.18%
72,024
$64,822 31 Dec 2024
13F
MILLENNIUM MANAGEMENT LLC
13F
Company
0.15%
61,375
$55,238 31 Dec 2024
13F
Richard A. Keys
3/4/5
CHIEF COMMERCIAL OFFICER
mixed-class rows
131,250
mixed-class rows
$43,286 11 Feb 2022
Mariner, LLC
13F
Company
0.11%
42,896
$38,606 31 Dec 2024
13F
STATE STREET CORP
13F
Company
0.07%
26,074
$23,467 31 Dec 2024
13F
XTX Topco Ltd
13F
Company
0.05%
18,201
$16,381 31 Dec 2024
13F
David Hirsch
3/4/5
Director
mixed-class rows
42,950
mixed-class rows
$14,028 23 May 2024
NORTHERN TRUST CORP
13F
Company
0.04%
15,550
$13,995 31 Dec 2024
13F
Virtu Financial LLC
13F
Company
0.03%
12,594
$11,000 31 Dec 2024
13F
MORGAN STANLEY
13F
Company
0.03%
10,108
$9,097 31 Dec 2024
13F
Tower Research Capital LLC (TRC)
13F
Company
0.02%
9,120
$8,208 31 Dec 2024
13F
JPMORGAN CHASE & CO
13F
Company
0%
157
$141 31 Dec 2024
13F
BANK OF AMERICA CORP /DE/
13F
Company
0%
141
$127 31 Dec 2024
13F
Alexander Schmitz
3/4/5
Director
class O/S missing
25,000
14 Jul 2021

Institutional Holders of RAPID MICRO BIOSYSTEMS, INC. - Common Stock, par value $0.01 (RPID) as of Q1 2025

As of 31 Mar 2025, RAPID MICRO BIOSYSTEMS, INC. - Common Stock, par value $0.01 (RPID) was held by 28 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 15,315,094 shares. The largest 10 holders included Bain Capital Life Sciences Investors, LLC, ABG-WTT Global Life Science Capital Partners GP Ltd, Schonfeld Strategic Advisors LLC, VANGUARD GROUP INC, Parkman Healthcare Partners LLC, BlackRock, Inc., Advent International, L.P., GEODE CAPITAL MANAGEMENT, LLC, Informed Momentum Co LLC, and SUSQUEHANNA INTERNATIONAL GROUP, LLP. This page lists 28 institutional shareholders reporting positions in this security for the Q1 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q1 2025 vs Q4 2024 Across Filers

Q4 2024 holders
18
Q1 2025 holders
28
Holder diff
10
Investor Q4 2024 Shares Q1 2025 Shares Share Diff Share Chg % Q4 2024 Value $ Q1 2025 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.
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