C3is Inc. - Common Stock, par value $0.01 per share Institutional Ownership

13F Institutional Holders and Ownership History

Type / Class
Equity / Common Stock, par value $0.01 per share
Shares outstanding
1,595,641

Significant Owners of C3is Inc. - Common Stock, par value $0.01 per share based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
WEXFORD CAPITAL LP 7% 112,014 WEXFORD CAPITAL LP 19 Sep 2025