DOSSIER · 13F Holders · Q3 2026

WARNER MUSIC GROUP CORP

3 institutions still hold WARNER MUSIC GROUP CORP as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 934550953·3 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$483K
visible holders
Holders
3
filers reporting
Concentration
98.86%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

3 institutions reported WARNER MUSIC GROUP CORP in Q3 2026. IMC-Chicago, LLC leads at 98.9% 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
$478K17K0.00%Q3 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$6K2000.00%Q3 2026
03
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025