LEXINGTON, MA
RAPID MICRO BIOSYSTEMS, INC.RPID— Latest position per institution from SEC 13F filings
15
Institutional holders
28.40M
Total shares held
39.82M
Estimated value
1.42M
Avg. position size
BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC
CIK 1703031
Shares
8.43M
Value
14.59M
Filed
Jun 30, 2026
KENNEDY LEWIS MANAGEMENT LP
CIK 1797633
Shares
4.94M
Value
4.40M
Filed
Sep 30, 2024
ARMISTICE CAPITAL, LLC
CIK 1601086
Shares
3.33M
Value
5.76M
Filed
Jun 30, 2026
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
3.20M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
982.03K
Value
1.70M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
978.78K
Value
2.84M
Filed
Dec 31, 2025
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
GLENVIEW CAPITAL MANAGEMENT, LLC
CIK 1138995
Shares
547.99K
Value
487.71K
Filed
Sep 30, 2024
EVERNEST FINANCIAL ADVISORS, LLC
CIK 2009530
Shares
506K
Value
875.38K
Filed
Jun 30, 2026
ALLY BRIDGE GROUP (NY) LLC
CIK 1822947
Shares
403.28K
Value
403.28K
Filed
Jun 30, 2023
ADVENT INTERNATIONAL, L.P.
CIK 1034196
Shares
379.79K
Value
657.04K
Filed
Jun 30, 2026
ESSEX INVESTMENT MANAGEMENT CO LLC
CIK 201772
Shares
362.70K
Value
627.46K
Filed
Jun 30, 2026
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
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
236.60K
Value
409.32K
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
228.04K
Value
394.71K
Filed
Jun 30, 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 | 14.59M | Jun 30, 2026 |
| 2 | KENNEDY LEWIS MANAGEMENT LP | 1797633 | 4.94M | 4.40M | Sep 30, 2024 |
| 3 | ARMISTICE CAPITAL, LLC | 1601086 | 3.33M | 5.76M | Jun 30, 2026 |
| 4 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 1897612 | 2.19M | 2.48K | Dec 31, 2022 |
| 5 | ABG-WTT GLOBAL LIFE SCIENCE CAPITAL PARTNERS GP LTD | 1832108 | 1.85M | 3.20M | Jun 30, 2026 |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 982.03K | 1.70M | Jun 30, 2026 |
| 7 | VANGUARD GROUP INC | 102909 | 978.78K | 2.84M | Dec 31, 2025 |
| 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 | GLENVIEW CAPITAL MANAGEMENT, LLC | 1138995 | 547.99K | 487.71K | Sep 30, 2024 |
| 12 | EVERNEST FINANCIAL ADVISORS, LLC | 2009530 | 506K | 875.38K | Jun 30, 2026 |
| 13 | ALLY BRIDGE GROUP (NY) LLC | 1822947 | 403.28K | 403.28K | Jun 30, 2023 |
| 14 | ADVENT INTERNATIONAL, L.P. | 1034196 | 379.79K | 657.04K | Jun 30, 2026 |
| 15 | ESSEX INVESTMENT MANAGEMENT CO LLC | 201772 | 362.70K | 627.46K | Jun 30, 2026 |
| 16 | PARKMAN HEALTHCARE PARTNERS LLC | 1777015 | 354.46K | 1.03M | Dec 31, 2025 |
| 17 | SCHONFELD STRATEGIC ADVISORS LLC | 1665241 | 352.43K | 1.02M | Dec 31, 2025 |
| 18 | MILLENNIUM MANAGEMENT LLC | 1273087 | 236.60K | 409.32K | Jun 30, 2026 |
| 19 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 228.04K | 394.71K | Jun 30, 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.