DOSSIER · 13F Holders · Q3 2026

UNITED RENTALS INC

7 institutions still hold UNITED RENTALS INC as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 911363909·7 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$209M
visible holders
Holders
7
filers reporting
Concentration
91.84%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

7 institutions reported UNITED RENTALS INC in Q3 2026. IMC-Chicago, LLC leads at 91.8% 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
$192M192K0.04%Q3 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$14M14K0.01%Q3 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$2M2K0.00%Q2 2026
04
Baer Investment Advisory LLC
CIK 0002057153
$949K550.75%Q3 2026
05
CMT Capital Markets Trading GmbH
CIK 0001632813
$364K5000.00%Q1 2026
06
SG Americas Securities, LLC
CIK 0001313360
$217K4K0.00%Q1 2026
07
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025