DOSSIER · 13F Holders · Q2 2026

3M CO

7 institutions still hold 3M CO as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 88579Y951·7 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$122M
visible holders
Holders
7
filers reporting
Concentration
48.16%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

7 institutions reported 3M CO in Q2 2026. IMC-Chicago, LLC leads at 48.2% 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
$59M364K0.01%Q2 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$41M251K0.02%Q2 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$9M56K0.01%Q2 2026
04
HRT FINANCIAL LP
CIK 0001475597
$8M48K0.02%Q4 2025
05
JPMORGAN CHASE & CO
CIK 0000019617
$6M36K0.00%Q2 2026
06
SG Americas Securities, LLC
CIK 0001313360
$30K13K0.00%Q1 2026
07
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025