BOSTON, MA
STANDARD BIOTOOLS INC.LAB— Latest position per institution from SEC 13F filings
15
Institutional holders
313.81M
Total shares held
313.02M
Estimated value
15.69M
Avg. position size
CASDIN CAPITAL, LLC
CIK 1534261
Shares
88.78M
Value
73.04M
Filed
Jun 30, 2026
VIKING GLOBAL INVESTORS LP
CIK 1103804
Shares
58.65M
Value
48.25M
Filed
Jun 30, 2026
MAK CAPITAL ONE LLC
CIK 1385702
Shares
28.81M
Value
23.71M
Filed
Jun 30, 2026
LONG FOCUS CAPITAL MANAGEMENT, LLC
CIK 1602716
Shares
23.50M
Value
19.33M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
21.75M
Value
38.50M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
17.30M
Value
22.14M
Filed
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
12.25M
Value
10.08M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
8.25M
Value
6.79M
Filed
Jun 30, 2026
INDABA CAPITAL MANAGEMENT, L.P.
CIK 1524362
Shares
7.36M
Value
19.95M
Filed
Mar 31, 2024
CALIGAN PARTNERS LP
CIK 1727492
Shares
7.04M
Value
15.56M
Filed
Dec 31, 2023
HOLLOW BROOK WEALTH MANAGEMENT LLC
CIK 1455251
Shares
5.50M
Value
4.53M
Filed
Jun 30, 2026
NEUBERGER BERMAN GROUP LLC
CIK 1465109
Shares
4.96M
Value
4.04M
Filed
Jun 30, 2026
QUBE RESEARCH & TECHNOLOGIES LTD
CIK 1729829
Shares
4.82M
Value
3.97M
Filed
Jun 30, 2026
ROYCE & ASSOCIATES LP
CIK 906304
Shares
4.53M
Value
3.72M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
3.90M
Value
3.21M
Filed
Jun 30, 2026
TIKVAH MANAGEMENT LLC
CIK 1606477
Shares
3.55M
Value
2.92M
Filed
Jun 30, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
3.51M
Value
2.89M
Filed
Jun 30, 2026
MIRABELLA FINANCIAL SERVICES LLP
CIK 1538853
Shares
3.43M
Value
4.12M
Filed
Jun 30, 2025
ARK INVESTMENT MANAGEMENT LLC
CIK 1697748
Shares
3.07M
Value
3.93M
Filed
Dec 31, 2025
MORGAN STANLEY
CIK 895421
Shares
2.83M
Value
2.33M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | CASDIN CAPITAL, LLC | 1534261 | 88.78M | 73.04M | Jun 30, 2026 |
| 2 | VIKING GLOBAL INVESTORS LP | 1103804 | 58.65M | 48.25M | Jun 30, 2026 |
| 3 | MAK CAPITAL ONE LLC | 1385702 | 28.81M | 23.71M | Jun 30, 2026 |
| 4 | LONG FOCUS CAPITAL MANAGEMENT, LLC | 1602716 | 23.50M | 19.33M | Jun 30, 2026 |
| 5 | BLACKROCK FINANCE, INC. | 1364742 | 21.75M | 38.50M | Jun 30, 2024 |
| 6 | VANGUARD GROUP INC | 102909 | 17.30M | 22.14M | Dec 31, 2025 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 12.25M | 10.08M | Jun 30, 2026 |
| 8 | BLACKROCK, INC. | 2012383 | 8.25M | 6.79M | Jun 30, 2026 |
| 9 | INDABA CAPITAL MANAGEMENT, L.P. | 1524362 | 7.36M | 19.95M | Mar 31, 2024 |
| 10 | CALIGAN PARTNERS LP | 1727492 | 7.04M | 15.56M | Dec 31, 2023 |
| 11 | HOLLOW BROOK WEALTH MANAGEMENT LLC | 1455251 | 5.50M | 4.53M | Jun 30, 2026 |
| 12 | NEUBERGER BERMAN GROUP LLC | 1465109 | 4.96M | 4.04M | Jun 30, 2026 |
| 13 | QUBE RESEARCH & TECHNOLOGIES LTD | 1729829 | 4.82M | 3.97M | Jun 30, 2026 |
| 14 | ROYCE & ASSOCIATES LP | 906304 | 4.53M | 3.72M | Jun 30, 2026 |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 3.90M | 3.21M | Jun 30, 2026 |
| 16 | TIKVAH MANAGEMENT LLC | 1606477 | 3.55M | 2.92M | Jun 30, 2026 |
| 17 | MILLENNIUM MANAGEMENT LLC | 1273087 | 3.51M | 2.89M | Jun 30, 2026 |
| 18 | MIRABELLA FINANCIAL SERVICES LLP | 1538853 | 3.43M | 4.12M | Jun 30, 2025 |
| 19 | ARK INVESTMENT MANAGEMENT LLC | 1697748 | 3.07M | 3.93M | Dec 31, 2025 |
| 20 | MORGAN STANLEY | 895421 | 2.83M | 2.33M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.