13F Insight
DOSSIER · 13F Holders · Q1 2026Defensive growthQuality
NKTX

NKARTA INC

131 institutions still hold NKARTA INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 65487U108·131 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 6.4%
vs prior quarter
13F value held
$102M
66.0% inst. owned
of float
Holders
131
+125 QoQ
filers reporting
Activity
+95 / −48
+878 added · −882 reduced
this quarter
Concentration
22.26%
RA CAPITAL MANAGEMENT, L.P. #1
top holder share
AI Holders Summary · Q1 2026

131 institutions reported NKTX in Q1 2026. RA CAPITAL MANAGEMENT, L.P. leads at 22.3% of the visible book. +125 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
RA CAPITAL MANAGEMENT, L.P.
CIK 0001346824
$23M10.8M0.24%Q1 202602
BlackRock, Inc.
CIK 0002012383
$10M4.5M0.00%Q1 202603
NEA Management Company, LLC
CIK 0001512848
$8M3.6M0.43%Q1 202604
Samsara BioCapital, LLC
CIK 0001744967
$7M3.5M0.72%Q1 202605
SR ONE CAPITAL MANAGEMENT, LP
CIK 0001910264
$7M3.3M0.77%Q1 202606
GSK plc
CIK 0001131399
$7M3.2M1.11%Q1 202607
Monaco Asset Management SAM
CIK 0001803593
$5M2.5M0.98%Q1 202608
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$4M2.0M0.00%Q1 202609
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$4M2.0M0.00%Q1 202610
Alyeska Investment Group, L.P.
CIK 0001453072
$4M2.1M0.01%Q4 202511
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$4M1.7M0.01%Q1 202612
WASATCH ADVISORS LP
CIK 0000814133
$3M1.6M0.02%Q1 202613
TANG CAPITAL MANAGEMENT LLC
CIK 0001232621
$3M1.5M0.16%Q1 202614
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$3M1.3M0.00%Q1 202615
STATE STREET CORP
CIK 0000093751
$3M1.2M0.00%Q1 202616
CITADEL ADVISORS LLC
CIK 0001423053
$3M1.4M0.00%Q4 202517
AWM Investment Company, Inc.
CIK 0001535264
$2M906K0.21%Q1 202618
Peapod Lane Capital LLC
CIK 0002050979
$1M676K1.15%Q1 202619
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$1M596K0.00%Q1 202620
TWO SIGMA ADVISERS, LP
CIK 0001478735
$1M647K0.00%Q4 2025
Page 1 of 7
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