DOSSIER · 13F Holders · Q2 2026

GRAINGER W W INC

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

CUSIP 384802904·5 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$195M
visible holders
Holders
5
filers reporting
Concentration
85.25%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

5 institutions reported GRAINGER W W INC in Q2 2026. IMC-Chicago, LLC leads at 85.2% 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
$167M123K0.04%Q2 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$15M11K0.01%Q2 2026
03
CMT Capital Markets Trading GmbH
CIK 0001632813
$13M12K0.14%Q1 2026
04
SG Americas Securities, LLC
CIK 0001313360
$156K12K0.00%Q1 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025