
C3is Inc. is a marine shipping company in the industrials sector on NASDAQ, led by Jane Smith, with a market cap of $1.1M. As of Q3 2025, 12% of shares are held by 2 institutional investors, with WEXFORD CAPITAL LP as the largest holder at 10.38%.
Overview of institutional ownership in CISS as of Q3 2025 with a market cap of $2.3M
Based on market cap of $2.3M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Institutions with the largest positions in CISS as of Q3 2025
| Institution | Position Value |
|---|---|
WEXFORD CAPITAL LP Hedge Fund•Multi-Strategy | $240.2K 0.07% of portfolio |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $28.6K 0.00% of portfolio |
T TOWERVIEW LLC Institution | - 0.00% of portfolio |
UBS Group AG Institution | - 0.00% of portfolio |
S SBI Securities Co., Ltd. Institution | - 0.00% of portfolio |
Institutional buying and selling activity for CISS in Q3 2025
| Institution | Net Bought |
|---|---|
WEXFORD CAPITAL LP Hedge Fund•Multi-Strategy | +$197.3K +92.0K shares |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | +$28.6K +13.2K shares |
| Institution | Net Sold |
|---|---|
T TOWERVIEW LLC Institution | −$46.9K −14.3K shares |
UBS Group AG Institution | −$10.2K −3.1K shares |
S SBI Securities Co., Ltd. Institution | −$13.0 −4.0 shares |
Institutions that initiated new positions or completely exited CISS in Q3 2025
| Institution | Position Value |
|---|---|
| No new positions found | |
| Institution | Previous Position |
|---|---|
T TOWERVIEW LLC Institution | $46.9K 14.3K shares |
UBS Group AG Institution | $10.2K 3.1K shares |
S SBI Securities Co., Ltd. Institution | $13.0 4.0 shares |
Institutions with the largest Call and Put options positions in CISS as of Q3 2025
| Institution | Position Value |
|---|---|
| No call positions found | |
| Institution | Position Value |
|---|---|
| No put positions found | |
Institutions with CISS as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
WEXFORD CAPITAL LP Hedge Fund•Multi-Strategy | 0.07% $240.2K |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | 0.00% $28.6K |
T TOWERVIEW LLC Institution | 0.00% - |
UBS Group AG Institution | 0.00% - |
S SBI Securities Co., Ltd. Institution | 0.00% - |
Discover hedge funds investing in CISS


| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Software - Infrastructure Technology | $2.1B | 1.68% | |
Semiconductors Technology | $1.8B | 1.50% | |
Internet Content & Information Communication Services | $1.4B | 1.18% |
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