DOSSIER · 13F Holders · Q2 2026

UNDER ARMOUR INC

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

CUSIP 904311957·4 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$27M
visible holders
Holders
4
filers reporting
Concentration
84.98%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q2 2026

4 institutions reported UNDER ARMOUR INC in Q2 2026. GROUP ONE TRADING LLC leads at 85.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
GROUP ONE TRADING LLC
CIK 0000932540
$23M3.6M0.03%Q2 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$4M560K0.00%Q2 2026
03
HRT FINANCIAL LP
CIK 0001475597
$496K100K0.00%Q4 2025
04
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025