SOUTH SAN FRANCISCO, CA
NKARTA, INC.NKTX— Latest position per institution from SEC 13F filings
15
Institutional holders
65.44M
Total shares held
225.74M
Estimated value
3.27M
Avg. position size
RA CAPITAL MANAGEMENT, L.P.
CIK 1346824
Shares
10.81M
Value
30.58M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
6.30M
Value
17.83M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
4.06M
Value
23.99M
Filed
Jun 30, 2024
BOXER CAPITAL, LLC
CIK 1465837
Shares
4.03M
Value
18.21M
Filed
Sep 30, 2024
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 1165408
Shares
3.60M
Value
16.27M
Filed
Sep 30, 2024
NEA MANAGEMENT COMPANY, LLC
CIK 1512848
Shares
3.57M
Value
10.10M
Filed
Jun 30, 2026
SAMSARA BIOCAPITAL, LLC
CIK 1744967
Shares
3.51M
Value
9.93M
Filed
Jun 30, 2026
SR ONE CAPITAL MANAGEMENT, LP
CIK 1910264
Shares
3.33M
Value
9.43M
Filed
Jun 30, 2026
GSK PLC
CIK 1131399
Shares
3.15M
Value
8.92M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
2.60M
Value
4.81M
Filed
Dec 31, 2025
JEFFERIES FINANCIAL GROUP INC.
CIK 96223
Shares
2.50M
Value
6.24M
Filed
Dec 31, 2024
MONACO ASSET MANAGEMENT SAM
CIK 1803593
Shares
2.37M
Value
6.72M
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
2.26M
Value
6.38M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.23M
Value
6.30M
Filed
Jun 30, 2026
DEERFIELD MANAGEMENT COMPANY, L.P.
CIK 1009258
Shares
2.15M
Value
5.37M
Filed
Dec 31, 2024
ECOR1 CAPITAL, LLC
CIK 1587114
Shares
2M
Value
21.62M
Filed
Mar 31, 2024
CAPTION MANAGEMENT, LLC
CIK 1706766
Shares
2M
Value
4.14M
Filed
Sep 30, 2025
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
1.87M
Value
5.30M
Filed
Jun 30, 2026
WASATCH ADVISORS LP
CIK 814133
Shares
1.58M
Value
4.47M
Filed
Jun 30, 2026
BRAIDWELL LP
CIK 1920938
Shares
1.53M
Value
9.14M
Filed
Dec 31, 2022
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | RA CAPITAL MANAGEMENT, L.P. | 1346824 | 10.81M | 30.58M | Jun 30, 2026 |
| 2 | BLACKROCK, INC. | 2012383 | 6.30M | 17.83M | Jun 30, 2026 |
| 3 | BLACKROCK FINANCE, INC. | 1364742 | 4.06M | 23.99M | Jun 30, 2024 |
| 4 | BOXER CAPITAL, LLC | 1465837 | 4.03M | 18.21M | Sep 30, 2024 |
| 5 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 1165408 | 3.60M | 16.27M | Sep 30, 2024 |
| 6 | NEA MANAGEMENT COMPANY, LLC | 1512848 | 3.57M | 10.10M | Jun 30, 2026 |
| 7 | SAMSARA BIOCAPITAL, LLC | 1744967 | 3.51M | 9.93M | Jun 30, 2026 |
| 8 | SR ONE CAPITAL MANAGEMENT, LP | 1910264 | 3.33M | 9.43M | Jun 30, 2026 |
| 9 | GSK PLC | 1131399 | 3.15M | 8.92M | Jun 30, 2026 |
| 10 | VANGUARD GROUP INC | 102909 | 2.60M | 4.81M | Dec 31, 2025 |
| 11 | JEFFERIES FINANCIAL GROUP INC. | 96223 | 2.50M | 6.24M | Dec 31, 2024 |
| 12 | MONACO ASSET MANAGEMENT SAM | 1803593 | 2.37M | 6.72M | Jun 30, 2026 |
| 13 | CITADEL ADVISORS LLC | 1423053 | 2.26M | 6.38M | Jun 30, 2026 |
| 14 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.23M | 6.30M | Jun 30, 2026 |
| 15 | DEERFIELD MANAGEMENT COMPANY, L.P. | 1009258 | 2.15M | 5.37M | Dec 31, 2024 |
| 16 | ECOR1 CAPITAL, LLC | 1587114 | 2M | 21.62M | Mar 31, 2024 |
| 17 | CAPTION MANAGEMENT, LLC | 1706766 | 2M | 4.14M | Sep 30, 2025 |
| 18 | TWO SIGMA INVESTMENTS, LP | 1179392 | 1.87M | 5.30M | Jun 30, 2026 |
| 19 | WASATCH ADVISORS LP | 814133 | 1.58M | 4.47M | Jun 30, 2026 |
| 20 | BRAIDWELL LP | 1920938 | 1.53M | 9.14M | Dec 31, 2022 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.