DOSSIER · 13F Holders · Q2 2026

KRATOS DEFENSE & SEC SOLUTIO

5 institutions still hold KRATOS DEFENSE & SEC SOLUTIO as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 50077B907·5 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$47M
visible holders
Holders
5
filers reporting
Concentration
42.81%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q2 2026

5 institutions reported KRATOS DEFENSE & SEC SOLUTIO in Q2 2026. GROUP ONE TRADING LLC leads at 42.8% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
GROUP ONE TRADING LLC
CIK 0000932540
$20M406K0.03%Q2 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$19M380K0.00%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$8M162K0.00%Q2 2026
04
OSAIC HOLDINGS, INC.
CIK 0001677044
$12K120.00%Q2 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025