DOSSIER · 13F Holders · Q2 2026

3M CO

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

CUSIP 88579Y901·8 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$176M
visible holders
Holders
8
filers reporting
Concentration
54.97%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

8 institutions reported 3M CO in Q2 2026. IMC-Chicago, LLC leads at 55.0% 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
$97M599K0.02%Q2 2026
02
Cartenna Capital, LP
CIK 0001808928
$49M300K1.16%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$12M71K0.01%Q2 2026
04
JPMORGAN CHASE & CO
CIK 0000019617
$7M45K0.00%Q2 2026
05
GROUP ONE TRADING LLC
CIK 0000932540
$6M38K0.01%Q2 2026
06
Maven Securities LTD
CIK 0001633046
$5M32K0.10%Q2 2026
07
SG Americas Securities, LLC
CIK 0001313360
$660K156K0.00%Q1 2026
08
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025