BOSTON, MA
STANDARD BIOTOOLS INC.LAB— Latest position per institution from SEC 13F filings
15
Institutional holders
323.37M
Total shares held
346.36M
Estimated value
16.17M
Avg. position size
CASDIN CAPITAL, LLC
CIK 1534261
Shares
88.78M
Value
81.62M
Filed
Mar 31, 2026
VIKING GLOBAL INVESTORS LP
CIK 1103804
Shares
58.65M
Value
53.92M
Filed
Mar 31, 2026
MAK CAPITAL ONE LLC
CIK 1385702
Shares
26.17M
Value
24.06M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
24.76M
Value
22.76M
Filed
Mar 31, 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
LONG FOCUS CAPITAL MANAGEMENT, LLC
CIK 1602716
Shares
16.02M
Value
14.72M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
12.82M
Value
11.78M
Filed
Mar 31, 2026
INDABA CAPITAL MANAGEMENT, L.P.
CIK 1524362
Shares
7.36M
Value
19.95M
Filed
Mar 31, 2024
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
7.29M
Value
6.70M
Filed
Mar 31, 2026
CALIGAN PARTNERS LP
CIK 1727492
Shares
7.04M
Value
15.56M
Filed
Dec 31, 2023
STATE STREET CORP
CIK 93751
Shares
6.56M
Value
6.03M
Filed
Mar 31, 2026
HOLLOW BROOK WEALTH MANAGEMENT LLC
CIK 1455251
Shares
5.65M
Value
5.20M
Filed
Mar 31, 2026
NEUBERGER BERMAN GROUP LLC
CIK 1465109
Shares
4.66M
Value
4.28M
Filed
Mar 31, 2026
TIKVAH MANAGEMENT LLC
CIK 1606477
Shares
3.55M
Value
3.26M
Filed
Mar 31, 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
ROYCE & ASSOCIATES LP
CIK 906304
Shares
3.01M
Value
2.76M
Filed
Mar 31, 2026
MORGAN STANLEY
CIK 895421
Shares
2.89M
Value
2.65M
Filed
Mar 31, 2026
BARCLAYS PLC
CIK 312069
Shares
2.62M
Value
2.41M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | CASDIN CAPITAL, LLC | 1534261 | 88.78M | 81.62M | Mar 31, 2026 |
| 2 | VIKING GLOBAL INVESTORS LP | 1103804 | 58.65M | 53.92M | Mar 31, 2026 |
| 3 | MAK CAPITAL ONE LLC | 1385702 | 26.17M | 24.06M | Mar 31, 2026 |
| 4 | BLACKROCK, INC. | 2012383 | 24.76M | 22.76M | Mar 31, 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 | LONG FOCUS CAPITAL MANAGEMENT, LLC | 1602716 | 16.02M | 14.72M | Mar 31, 2026 |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 12.82M | 11.78M | Mar 31, 2026 |
| 9 | INDABA CAPITAL MANAGEMENT, L.P. | 1524362 | 7.36M | 19.95M | Mar 31, 2024 |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 7.29M | 6.70M | Mar 31, 2026 |
| 11 | CALIGAN PARTNERS LP | 1727492 | 7.04M | 15.56M | Dec 31, 2023 |
| 12 | STATE STREET CORP | 93751 | 6.56M | 6.03M | Mar 31, 2026 |
| 13 | HOLLOW BROOK WEALTH MANAGEMENT LLC | 1455251 | 5.65M | 5.20M | Mar 31, 2026 |
| 14 | NEUBERGER BERMAN GROUP LLC | 1465109 | 4.66M | 4.28M | Mar 31, 2026 |
| 15 | TIKVAH MANAGEMENT LLC | 1606477 | 3.55M | 3.26M | Mar 31, 2026 |
| 16 | MIRABELLA FINANCIAL SERVICES LLP | 1538853 | 3.43M | 4.12M | Jun 30, 2025 |
| 17 | ARK INVESTMENT MANAGEMENT LLC | 1697748 | 3.07M | 3.93M | Dec 31, 2025 |
| 18 | ROYCE & ASSOCIATES LP | 906304 | 3.01M | 2.76M | Mar 31, 2026 |
| 19 | MORGAN STANLEY | 895421 | 2.89M | 2.65M | Mar 31, 2026 |
| 20 | BARCLAYS PLC | 312069 | 2.62M | 2.41M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.