DOSSIER · 13F Holders · Q2 2026

UNITED STATES CELLULAR CORP

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

CUSIP 911684908·4 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$526K
visible holders
Holders
4
filers reporting
Concentration
80.00%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

4 institutions reported UNITED STATES CELLULAR CORP in Q2 2026. IMC-Chicago, LLC leads at 80.0% 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
$421K12K0.00%Q2 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$69K2K0.00%Q2 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$36K1K0.00%Q2 2026
04
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025