SOUTH SAN FRANCISCO, CA
NKARTA, INC.NKTX— Latest position per institution from SEC 13F filings
15
Institutional holders
64.02M
Total shares held
187.32M
Estimated value
3.20M
Avg. position size
RA CAPITAL MANAGEMENT, L.P.
CIK 1346824
Shares
10.81M
Value
22.80M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
4.51M
Value
9.51M
Filed
Mar 31, 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
7.53M
Filed
Mar 31, 2026
SAMSARA BIOCAPITAL, LLC
CIK 1744967
Shares
3.51M
Value
7.40M
Filed
Mar 31, 2026
SR ONE CAPITAL MANAGEMENT, LP
CIK 1910264
Shares
3.33M
Value
7.03M
Filed
Mar 31, 2026
GSK PLC
CIK 1131399
Shares
3.15M
Value
6.65M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
2.60M
Value
4.81M
Filed
Dec 31, 2025
MONACO ASSET MANAGEMENT SAM
CIK 1803593
Shares
2.52M
Value
5.32M
Filed
Mar 31, 2026
JEFFERIES FINANCIAL GROUP INC.
CIK 96223
Shares
2.50M
Value
6.24M
Filed
Dec 31, 2024
DEERFIELD MANAGEMENT COMPANY, L.P.
CIK 1009258
Shares
2.15M
Value
5.37M
Filed
Dec 31, 2024
ALYESKA INVESTMENT GROUP, L.P.
CIK 1453072
Shares
2.08M
Value
4.40M
Filed
Mar 31, 2026
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
2.05M
Value
4.32M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.01M
Value
4.24M
Filed
Mar 31, 2026
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
CITADEL ADVISORS LLC
CIK 1423053
Shares
1.81M
Value
3.81M
Filed
Mar 31, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
1.73M
Value
3.66M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | RA CAPITAL MANAGEMENT, L.P. | 1346824 | 10.81M | 22.80M | Mar 31, 2026 |
| 2 | BLACKROCK, INC. | 2012383 | 4.51M | 9.51M | Mar 31, 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 | 7.53M | Mar 31, 2026 |
| 7 | SAMSARA BIOCAPITAL, LLC | 1744967 | 3.51M | 7.40M | Mar 31, 2026 |
| 8 | SR ONE CAPITAL MANAGEMENT, LP | 1910264 | 3.33M | 7.03M | Mar 31, 2026 |
| 9 | GSK PLC | 1131399 | 3.15M | 6.65M | Mar 31, 2026 |
| 10 | VANGUARD GROUP INC | 102909 | 2.60M | 4.81M | Dec 31, 2025 |
| 11 | MONACO ASSET MANAGEMENT SAM | 1803593 | 2.52M | 5.32M | Mar 31, 2026 |
| 12 | JEFFERIES FINANCIAL GROUP INC. | 96223 | 2.50M | 6.24M | Dec 31, 2024 |
| 13 | DEERFIELD MANAGEMENT COMPANY, L.P. | 1009258 | 2.15M | 5.37M | Dec 31, 2024 |
| 14 | ALYESKA INVESTMENT GROUP, L.P. | 1453072 | 2.08M | 4.40M | Mar 31, 2026 |
| 15 | TWO SIGMA INVESTMENTS, LP | 1179392 | 2.05M | 4.32M | Mar 31, 2026 |
| 16 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.01M | 4.24M | Mar 31, 2026 |
| 17 | ECOR1 CAPITAL, LLC | 1587114 | 2M | 21.62M | Mar 31, 2024 |
| 18 | CAPTION MANAGEMENT, LLC | 1706766 | 2M | 4.14M | Sep 30, 2025 |
| 19 | CITADEL ADVISORS LLC | 1423053 | 1.81M | 3.81M | Mar 31, 2026 |
| 20 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 1.73M | 3.66M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.