DOSSIER · 13F Holders · Q1 2026

FERMI INC

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

CUSIP 314911908·6 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$17M
visible holders
Holders
6
filers reporting
Concentration
30.34%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q1 2026

6 institutions reported FERMI INC in Q1 2026. GROUP ONE TRADING LLC leads at 30.3% 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
$5M906K0.01%Q1 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$4M720K0.00%Q1 2026
03
Capricorn Fund Managers Ltd
CIK 0001901361
$3M10K0.28%Q2 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$3M487K0.00%Q1 2026
05
Troluce Capital Advisors LLC
CIK 0001910321
$1M200K0.07%Q1 2026
06
JPMORGAN CHASE & CO
CIK 0000019617
$442K83K0.00%Q1 2026