DOSSIER · 13F Holders · Q4 2025
ZEUS

OLYMPIC STEEL INC

15 institutions still hold OLYMPIC STEEL INC as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 68162K106·15 13F holders·last filed Dec 31, 2025
Market cap
13F value held
$27M
visible holders
Holders
15
filers reporting
Concentration
34.54%
D. E. Shaw & Co., Inc. #1
top holder share
Insiders at OLYMPIC STEEL INC
Whiting VanessaKempthorne Dirk AKesner Idalene FayScott Peter JenningsWolfort David AGreiff Andrew SAnton Arthur FStovsky Richard P