DOSSIER · 13F Holders · Q2 2026

RED ROBIN GOURMET BURGERS IN

4 institutions still hold RED ROBIN GOURMET BURGERS IN as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 75689M901·4 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$321K
visible holders
Holders
4
filers reporting
Concentration
49.75%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q2 2026

4 institutions reported RED ROBIN GOURMET BURGERS IN in Q2 2026. GROUP ONE TRADING LLC leads at 49.8% 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
$160K20K0.00%Q2 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$156K20K0.00%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$6K7000.00%Q2 2026
04
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025