DOSSIER · 13F Holders · Q2 2026

MCKESSON CORP

4 institutions still hold MCKESSON CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 58155Q903·4 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$96M
visible holders
Holders
4
filers reporting
Concentration
67.09%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

4 institutions reported MCKESSON CORP in Q2 2026. IMC-Chicago, LLC leads at 67.1% 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
$65M85K0.02%Q2 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$29M39K0.04%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$3M3K0.00%Q2 2026
04
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025