ROCKVILLE, MD
MAXCYTE, INC.MXCT— Latest position per institution from SEC 13F filings
15
Institutional holders
80.92M
Total shares held
127M
Estimated value
4.05M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
8.80M
Value
6.18M
Filed
Mar 31, 2026
MIRABELLA FINANCIAL SERVICES LLP
CIK 1538853
Shares
8.20M
Value
12.71M
Filed
Dec 31, 2025
CAPRICORN FUND MANAGERS LTD
CIK 1901361
Shares
8.20M
Value
5.76M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
8.14M
Value
31.92M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
5.54M
Value
8.59M
Filed
Dec 31, 2025
VITRUVIAN PARTNERS LLP
CIK 1692590
Shares
5.04M
Value
3.54M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
3.98M
Value
2.80M
Filed
Mar 31, 2026
MORGAN STANLEY
CIK 895421
Shares
3.69M
Value
2.59M
Filed
Mar 31, 2026
MUDITA ADVISORS LLP
CIK 1907809
Shares
3.37M
Value
2.37M
Filed
Mar 31, 2026
RIVER GLOBAL INVESTORS LLP
CIK 1486180
Shares
3.25M
Value
13.49M
Filed
Dec 31, 2024
AXA INVESTMENT MANAGERS S.A.
CIK 1826635
Shares
2.77M
Value
4.38M
Filed
Sep 30, 2025
BNP PARIBAS ASSET MANAGEMENT HOLDING S.A.
CIK 1520354
Shares
2.77M
Value
1.95M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
2.36M
Value
1.66M
Filed
Mar 31, 2026
AXA S.A.
CIK 898427
Shares
2.20M
Value
4.80M
Filed
Jun 30, 2025
STATE STREET CORP
CIK 93751
Shares
2.19M
Value
1.54M
Filed
Mar 31, 2026
BROOKLANDS FUND MANAGEMENT LTD
CIK 2036388
Shares
2.19M
Value
1.54M
Filed
Mar 31, 2026
HOLOCENE ADVISORS, LP
CIK 1700574
Shares
2.12M
Value
6.61M
Filed
Sep 30, 2023
KENNEDY CAPITAL MANAGEMENT LLC
CIK 884589
Shares
2.11M
Value
3.33M
Filed
Sep 30, 2025
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
1.99M
Value
1.40M
Filed
Mar 31, 2026
BAMCO INC /NY/
CIK 1017918
Shares
1.99M
Value
9.84M
Filed
Mar 31, 2023
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 8.80M | 6.18M | Mar 31, 2026 |
| 2 | MIRABELLA FINANCIAL SERVICES LLP | 1538853 | 8.20M | 12.71M | Dec 31, 2025 |
| 3 | CAPRICORN FUND MANAGERS LTD | 1901361 | 8.20M | 5.76M | Mar 31, 2026 |
| 4 | BLACKROCK FINANCE, INC. | 1364742 | 8.14M | 31.92M | Jun 30, 2024 |
| 5 | VANGUARD GROUP INC | 102909 | 5.54M | 8.59M | Dec 31, 2025 |
| 6 | VITRUVIAN PARTNERS LLP | 1692590 | 5.04M | 3.54M | Mar 31, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 3.98M | 2.80M | Mar 31, 2026 |
| 8 | MORGAN STANLEY | 895421 | 3.69M | 2.59M | Mar 31, 2026 |
| 9 | MUDITA ADVISORS LLP | 1907809 | 3.37M | 2.37M | Mar 31, 2026 |
| 10 | RIVER GLOBAL INVESTORS LLP | 1486180 | 3.25M | 13.49M | Dec 31, 2024 |
| 11 | AXA INVESTMENT MANAGERS S.A. | 1826635 | 2.77M | 4.38M | Sep 30, 2025 |
| 12 | BNP PARIBAS ASSET MANAGEMENT HOLDING S.A. | 1520354 | 2.77M | 1.95M | Mar 31, 2026 |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 2.36M | 1.66M | Mar 31, 2026 |
| 14 | AXA S.A. | 898427 | 2.20M | 4.80M | Jun 30, 2025 |
| 15 | STATE STREET CORP | 93751 | 2.19M | 1.54M | Mar 31, 2026 |
| 16 | BROOKLANDS FUND MANAGEMENT LTD | 2036388 | 2.19M | 1.54M | Mar 31, 2026 |
| 17 | HOLOCENE ADVISORS, LP | 1700574 | 2.12M | 6.61M | Sep 30, 2023 |
| 18 | KENNEDY CAPITAL MANAGEMENT LLC | 884589 | 2.11M | 3.33M | Sep 30, 2025 |
| 19 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 1.99M | 1.40M | Mar 31, 2026 |
| 20 | BAMCO INC /NY/ | 1017918 | 1.99M | 9.84M | Mar 31, 2023 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.