SEATTLE, WA
ADAPTIVE BIOTECHNOLOGIES CORPADPT— Latest position per institution from SEC 13F filings
15
Institutional holders
130.77M
Total shares held
2.32B
Estimated value
6.54M
Avg. position size
VIKING GLOBAL INVESTORS LP
CIK 1103804
Shares
29.99M
Value
643.37M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
15.14M
Value
324.73M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
11.66M
Value
42.22M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
11.28M
Value
183.22M
Filed
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
6.40M
Value
137.36M
Filed
Jun 30, 2026
RUBRIC CAPITAL MANAGEMENT LP
CIK 1687509
Shares
6.26M
Value
72.89M
Filed
Jun 30, 2025
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
5.91M
Value
126.80M
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
5.48M
Value
117.47M
Filed
Jun 30, 2026
D. E. SHAW & CO., INC.
CIK 1009207
Shares
4.63M
Value
99.22M
Filed
Jun 30, 2026
WESTFIELD CAPITAL MANAGEMENT CO LP
CIK 1177719
Shares
4.27M
Value
91.54M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
3.64M
Value
78.13M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
3.46M
Value
74.18M
Filed
Jun 30, 2026
UBS GROUP AG
CIK 1610520
Shares
3.13M
Value
67.15M
Filed
Jun 30, 2026
INVESCO LTD.
CIK 914208
Shares
3.09M
Value
66.37M
Filed
Jun 30, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
2.98M
Value
64.01M
Filed
Jun 30, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
CIK 1081019
Shares
2.98M
Value
138.98K
Filed
Jun 30, 2026
PICTET ASSET MANAGEMENT SA
CIK 1361570
Shares
2.74M
Value
18.39M
Filed
Jun 30, 2023
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
2.67M
Value
57.17K
Filed
Jun 30, 2026
DRIEHAUS CAPITAL MANAGEMENT LLC
CIK 938206
Shares
2.53M
Value
54.22M
Filed
Jun 30, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 1164508
Shares
2.52M
Value
54.15M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | VIKING GLOBAL INVESTORS LP | 1103804 | 29.99M | 643.37M | Jun 30, 2026 |
| 2 | BLACKROCK, INC. | 2012383 | 15.14M | 324.73M | Jun 30, 2026 |
| 3 | BLACKROCK FINANCE, INC. | 1364742 | 11.66M | 42.22M | Jun 30, 2024 |
| 4 | VANGUARD GROUP INC | 102909 | 11.28M | 183.22M | Dec 31, 2025 |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 6.40M | 137.36M | Jun 30, 2026 |
| 6 | RUBRIC CAPITAL MANAGEMENT LP | 1687509 | 6.26M | 72.89M | Jun 30, 2025 |
| 7 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 5.91M | 126.80M | Jun 30, 2026 |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 5.48M | 117.47M | Jun 30, 2026 |
| 9 | D. E. SHAW & CO., INC. | 1009207 | 4.63M | 99.22M | Jun 30, 2026 |
| 10 | WESTFIELD CAPITAL MANAGEMENT CO LP | 1177719 | 4.27M | 91.54M | Jun 30, 2026 |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 3.64M | 78.13M | Jun 30, 2026 |
| 12 | STATE STREET CORP | 93751 | 3.46M | 74.18M | Jun 30, 2026 |
| 13 | UBS GROUP AG | 1610520 | 3.13M | 67.15M | Jun 30, 2026 |
| 14 | INVESCO LTD. | 914208 | 3.09M | 66.37M | Jun 30, 2026 |
| 15 | GOLDMAN SACHS GROUP INC | 886982 | 2.98M | 64.01M | Jun 30, 2026 |
| 16 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1081019 | 2.98M | 138.98K | Jun 30, 2026 |
| 17 | PICTET ASSET MANAGEMENT SA | 1361570 | 2.74M | 18.39M | Jun 30, 2023 |
| 18 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 2.67M | 57.17K | Jun 30, 2026 |
| 19 | DRIEHAUS CAPITAL MANAGEMENT LLC | 938206 | 2.53M | 54.22M | Jun 30, 2026 |
| 20 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | 2.52M | 54.15M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.