DOSSIER · 13F Holders · Q3 2026

NORTHROP GRUMMAN CORP

6 institutions still hold NORTHROP GRUMMAN CORP as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 666807952·6 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$77M
visible holders
Holders
6
filers reporting
Concentration
81.38%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

6 institutions reported NORTHROP GRUMMAN CORP in Q3 2026. IMC-Chicago, LLC leads at 81.4% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$63M130K0.01%Q3 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$11M23K0.01%Q3 2026
03
JPMORGAN CHASE & CO
CIK 0000019617
$2M4K0.00%Q2 2026
04
GROUP ONE TRADING LLC
CIK 0000932540
$1M3K0.00%Q3 2026
05
Prairie Wealth Advisors, Inc.
CIK 0002022783
$352K2K0.08%Q3 2026
06
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025