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

Historical Holders from Q3 2021 to Q3 2025

Symbol
RPID on Nasdaq
CUSIP
75340L104
Type / Class
Equity / Class A Common Stock, $0.01 par value per share
Shares outstanding
42M
All holders as of September 30, 2025
Q3 2025
Total 13F shares, excl. options
14.8M
Holdings value
$49.5M
% of all portfolios
0%
Grand Portfolio weight change
0%
Number of holders
29
Number of buys
11
Number of sells
-11
Average Value change %
+0%
Average buys %
+0%
Average sells %
0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of RAPID MICRO BIOSYSTEMS, INC. - Class A Common Stock, $0.01 par value per share (RPID)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Spignesi Robert G. Jr. 6.3% $7.09M 2.65M SPIGNESI ROBERT G JR Mar 28, 2024

Institutional Holders of RAPID MICRO BIOSYSTEMS, INC. - Class A Common Stock, $0.01 par value per share (RPID)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 14.8M $49.5M -$1.09M $3.34 29
2025 Q2 15.1M $52.3M -$496K $3.45 29
2025 Q1 15.3M $40.4M +$9.17M $2.64 28
2024 Q4 11.9M $10.8M -$597K $0.90 18
2024 Q3 17.6M $15.6M -$776K $0.89 18
2024 Q2 18.5M $12.2M -$368K $0.66 18
2024 Q1 18M $17.5M -$839K $0.97 20
2023 Q4 20.1M $14.9M -$1.02M $0.74 24
2023 Q3 21.5M $23.2M -$417K $1.08 22
2023 Q2 21.9M $21.9M -$1.29M $1.00 22
2023 Q1 22.8M $29.9M -$1.71M $1.31 29
2022 Q4 24.5M $27.7M -$72.5K $1.13 39
2022 Q3 25.6M $82.7M -$10.6M $3.23 46
2022 Q2 26M $112M -$10.2M $4.30 44
2022 Q1 26.6M $181M +$33.5M $6.79 56
2021 Q4 21.4M $228M -$13.6M $10.64 54
2021 Q3 21.8M $401M +$401M $18.47 49