DOSSIER · 13F Holders · Q3 2026

STUBHUB HLDGS INC

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

CUSIP 86384P909·3 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$5M
visible holders
Holders
3
filers reporting
Concentration
58.82%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q3 2026

3 institutions reported STUBHUB HLDGS INC in Q3 2026. GROUP ONE TRADING LLC leads at 58.8% 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
$3M560K0.00%Q3 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$2M285K0.00%Q3 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$597K107K0.00%Q3 2026