SEC Filing Update: #CISS C3is Inc. : $3.10

Sector: Industrials | YTD: 🔽 -99.75% The SEC disclosed Today (19-AUG-2026) that JANE STREET GROUP, LLC has INCREASED #CISS Shares by 36.01% 🟢 * Previous Holdings: 689.16K Shares * Current Holdings: 937.33K Shares * Increase+248.17K * Increased(%)+36.01% * Ownership: 7.2% * Estimated Investment Value: $791.67K https://www.thinksabio.com/reports/isr/CISS Institutional ownership in #CISS has been steadily rising over the past 8 quarters in Shares: Q3 2024: 105.00 Q4 2024: 211.00 Q1 2025: 244.00 Q2 2025: 267.00 Q3 2025: 912.00 Q4 2025: 7.43K Q1 2026: 12.64K Q2 2026: 74.47K 📌 Institutional activity in the last 30 days for #CISS: • CVI INVESTMENTS, INC – Newly bought 1,221,154 shares (03-AUG-2026) • Ascent Partners Fund LLC – Newly bought 1,610,566 shares (04-AUG-2026) • Imperial Petroleum Inc./Marshall Islands – Increased holdings by 21,674,610 shares (30-JUL-2026) • Lind Global Fund III LP – Newly bought 1,325,482 shares (31-JUL-2026) Jane Street Group, LLC increased its position in CISS from 689,157 shares to 937,330 shares, representing a 7.2% ownership stake.