DOSSIER · 13F Holders · Q2 2026

GRAINGER W W INC

4 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 384802954·4 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$58M
visible holders
Holders
4
filers reporting
Concentration
94.14%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

4 institutions reported GRAINGER W W INC in Q2 2026. IMC-Chicago, LLC leads at 94.1% 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
$55M40K0.01%Q2 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$2M1K0.00%Q2 2026
03
CMT Capital Markets Trading GmbH
CIK 0001632813
$2M2K0.02%Q1 2026
04
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025