DOSSIER · 13F Holders · Q1 2026

TWENTY ONE CAP INC COM SHS CL A

4 institutions still hold TWENTY ONE CAP INC COM SHS CL A as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 90138L909·4 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$8M
visible holders
Holders
4
filers reporting
Concentration
71.76%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q1 2026

4 institutions reported TWENTY ONE CAP INC COM SHS CL A in Q1 2026. GROUP ONE TRADING LLC leads at 71.8% 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
$6M874K0.01%Q1 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$2M286K0.00%Q1 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$363K57K0.00%Q1 2026
04
JPMORGAN CHASE & CO
CIK 0000019617
$10K2K0.00%Q1 2026