DOSSIER · 13F Holders · Q3 2026

FIREFLY AEROSPACE INC

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

CUSIP 31816X956·4 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$17M
visible holders
Holders
4
filers reporting
Concentration
46.90%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

4 institutions reported FIREFLY AEROSPACE INC in Q3 2026. IMC-Chicago, LLC leads at 46.9% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$8M350K0.00%Q3 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$6M242K0.01%Q3 2026
03
HRT FINANCIAL LP
CIK 0001475597
$2M81K0.00%Q3 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$2M73K0.00%Q3 2026