13F Insight
DOSSIER · 13F Holders · Q2 2026
NKTX

NKARTA INC

143 institutions still hold NKARTA INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 65487U108·143 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$136M
visible holders
Holders
143
filers reporting
Concentration
22.55%
RA CAPITAL MANAGEMENT, L.P. #1
top holder share
AI Holders Summary · Q2 2026

143 institutions reported NKTX in Q2 2026. RA CAPITAL MANAGEMENT, L.P. leads at 22.6% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
RA CAPITAL MANAGEMENT, L.P.
CIK 0001346824
$31M10.8M0.27%Q2 202602
BlackRock, Inc.
CIK 0002012383
$18M6.3M0.00%Q2 202603
NEA Management Company, LLC
CIK 0001512848
$10M3.6M0.64%Q2 202604
SR ONE CAPITAL MANAGEMENT, LP
CIK 0001910264
$9M3.3M0.91%Q2 202605
GSK plc
CIK 0001131399
$9M3.2M1.48%Q2 202606
Samsara BioCapital, LLC
CIK 0001744967
$7M3.5M0.72%Q1 202607
Monaco Asset Management SAM
CIK 0001803593
$7M2.4M0.53%Q2 202608
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$6M2.2M0.00%Q2 202609
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$5M1.9M0.00%Q2 202610
WASATCH ADVISORS LP
CIK 0000814133
$4M1.6M0.03%Q2 202611
STATE STREET CORP
CIK 0000093751
$4M1.3M0.00%Q2 202612
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$4M1.3M0.00%Q2 202613
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$3M1.2M0.00%Q2 202614
TANG CAPITAL MANAGEMENT LLC
CIK 0001232621
$3M1.5M0.16%Q1 202615
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$3M1.1M0.00%Q2 202616
ACADIAN ASSET MANAGEMENT LLC
CIK 0000916542
$3M1.3M0.00%Q1 202617
CITADEL ADVISORS LLC
CIK 0001423053
$3M1.4M0.00%Q4 202518
AWM Investment Company, Inc.
CIK 0001535264
$3M906K0.22%Q2 202619
Blackstone Inc.
CIK 0001393818
$2M747K0.01%Q2 202620
MARSHALL WACE, LLP
CIK 0001318757
$2M673K0.00%Q2 2026
Page 1 of 8
123 more holders available. Log in →
Insiders at NKARTA INC
Hastings Paul J →George Simeon →Thedinga Angela →Dybbs Michael →Patterson Leone D →Scheiner Zachary →Rose Shawn Marshall →Mahmood Nadir →