LEXINGTON, MA
RAPID MICRO BIOSYSTEMS, INC.RPID— Latest position per institution from SEC 13F filings
15
Institutional holders
26.04M
Total shares held
43.31M
Estimated value
1.30M
Avg. position size
BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC
CIK 1703031
Shares
8.43M
Value
19.15M
Filed
Mar 31, 2026
KENNEDY LEWIS MANAGEMENT LP
CIK 1797633
Shares
4.94M
Value
4.40M
Filed
Sep 30, 2024
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
CIK 1897612
Shares
2.19M
Value
2.48K
Filed
Dec 31, 2022
ABG-WTT GLOBAL LIFE SCIENCE CAPITAL PARTNERS GP LTD
CIK 1832108
Shares
1.85M
Value
4.20M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
982.49K
Value
2.23M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
978.78K
Value
2.84M
Filed
Dec 31, 2025
ESSEX INVESTMENT MANAGEMENT CO LLC
CIK 201772
Shares
883.93K
Value
2.01M
Filed
Mar 31, 2026
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
760.44K
Value
997.00
Filed
Mar 31, 2023
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 1165408
Shares
700K
Value
518K
Filed
Dec 31, 2023
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
648.52K
Value
428.02K
Filed
Jun 30, 2024
ADVENT INTERNATIONAL, L.P.
CIK 1034196
Shares
552.38K
Value
1.25M
Filed
Mar 31, 2026
GLENVIEW CAPITAL MANAGEMENT, LLC
CIK 1138995
Shares
547.99K
Value
487.71K
Filed
Sep 30, 2024
EVERNEST FINANCIAL ADVISORS, LLC
CIK 2009530
Shares
432.51K
Value
1.02M
Filed
Mar 31, 2026
ALLY BRIDGE GROUP (NY) LLC
CIK 1822947
Shares
403.28K
Value
403.28K
Filed
Jun 30, 2023
PARKMAN HEALTHCARE PARTNERS LLC
CIK 1777015
Shares
354.46K
Value
1.03M
Filed
Dec 31, 2025
SCHONFELD STRATEGIC ADVISORS LLC
CIK 1665241
Shares
352.43K
Value
1.02M
Filed
Dec 31, 2025
SEI INVESTMENTS CO
CIK 350894
Shares
284.82K
Value
646.53K
Filed
Mar 31, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
283.28K
Value
643.05K
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
247.18K
Value
561.33K
Filed
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
212.11K
Value
481.50K
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC | 1703031 | 8.43M | 19.15M | Mar 31, 2026 |
| 2 | KENNEDY LEWIS MANAGEMENT LP | 1797633 | 4.94M | 4.40M | Sep 30, 2024 |
| 3 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 1897612 | 2.19M | 2.48K | Dec 31, 2022 |
| 4 | ABG-WTT GLOBAL LIFE SCIENCE CAPITAL PARTNERS GP LTD | 1832108 | 1.85M | 4.20M | Mar 31, 2026 |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 982.49K | 2.23M | Mar 31, 2026 |
| 6 | VANGUARD GROUP INC | 102909 | 978.78K | 2.84M | Dec 31, 2025 |
| 7 | ESSEX INVESTMENT MANAGEMENT CO LLC | 201772 | 883.93K | 2.01M | Mar 31, 2026 |
| 8 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 760.44K | 997.00 | Mar 31, 2023 |
| 9 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 1165408 | 700K | 518K | Dec 31, 2023 |
| 10 | BLACKROCK FINANCE, INC. | 1364742 | 648.52K | 428.02K | Jun 30, 2024 |
| 11 | ADVENT INTERNATIONAL, L.P. | 1034196 | 552.38K | 1.25M | Mar 31, 2026 |
| 12 | GLENVIEW CAPITAL MANAGEMENT, LLC | 1138995 | 547.99K | 487.71K | Sep 30, 2024 |
| 13 | EVERNEST FINANCIAL ADVISORS, LLC | 2009530 | 432.51K | 1.02M | Mar 31, 2026 |
| 14 | ALLY BRIDGE GROUP (NY) LLC | 1822947 | 403.28K | 403.28K | Jun 30, 2023 |
| 15 | PARKMAN HEALTHCARE PARTNERS LLC | 1777015 | 354.46K | 1.03M | Dec 31, 2025 |
| 16 | SCHONFELD STRATEGIC ADVISORS LLC | 1665241 | 352.43K | 1.02M | Dec 31, 2025 |
| 17 | SEI INVESTMENTS CO | 350894 | 284.82K | 646.53K | Mar 31, 2026 |
| 18 | MILLENNIUM MANAGEMENT LLC | 1273087 | 283.28K | 643.05K | Mar 31, 2026 |
| 19 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 247.18K | 561.33K | Mar 31, 2026 |
| 20 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 212.11K | 481.50K | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.