C3IS INC COM NEW is a security (CUSIP Y18284177) tracked across SEC portfolio filings. 2 institutional managers reported $9K on Form 13F as of 2026-03-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| StoneX Group Inc. | New York, NY | $9K | 10,435 |
| HRT FINANCIAL LP | NEW YORK, NY | $63 | 76,520 |