DOSSIER · 13F Holders · Q1 2026

SIDUS SPACE INC

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

CUSIP 826165901·2 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$415K
visible holders
Holders
2
filers reporting
Concentration
52.74%
SIMPLEX TRADING, LLC #1
top holder share
AI Holders Summary · Q1 2026

2 institutions reported SIDUS SPACE INC in Q1 2026. SIMPLEX TRADING, LLC leads at 52.7% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
SIMPLEX TRADING, LLC
CIK 0001488542
$219K94K0.00%Q1 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$196K85K0.00%Q1 2026