DOSSIER · 13F Holders · Q3 2026
STDN

STANDARD NUCLEAR INC

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

CUSIP 853678100·2 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$480K
visible holders
Holders
2
filers reporting
Concentration
99.14%
Morangie Management LLC #1
top holder share
AI Holders Summary · Q3 2026

2 institutions reported STDN in Q3 2026. Morangie Management LLC leads at 99.1% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Morangie Management LLC
CIK 0002056670
$476K40K0.40%Q3 2026
02
TOTH FINANCIAL ADVISORY CORP
CIK 0000866780
$4K3490.00%Q3 2026
Insiders at STANDARD NUCLEAR INC
Cohen Seth Michael →Terrani Kurt Amir →St-1014 Fund I, A Series Of Fundomo Syndicates, Lp →Welara Capital Partners Llc Series 3 →Matina Alexander C →Marrocco Keeley Rose →Harrill Kevin J →Hendrix Thomas Edward →