DOSSIER · 13F Holders · Q1 2026

FERMI INC

5 institutions still hold FERMI INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 314911958·5 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$8M
visible holders
Holders
5
filers reporting
Concentration
48.99%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q1 2026

5 institutions reported FERMI INC in Q1 2026. GROUP ONE TRADING LLC leads at 49.0% 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
$4M661K0.01%Q1 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$2M327K0.00%Q1 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$2M311K0.00%Q1 2026
04
THOMIST CAPITAL MANAGEMENT, LP
CIK 0001767809
$292K50K0.08%Q1 2026
05
JPMORGAN CHASE & CO
CIK 0000019617
$5K9000.00%Q1 2026