13F

Stock

C3is Inc.

CISS · held by 3 managers

Reported value

$9.94K

Holders

3

+3 new · −0 exited

Holders’ est. mark

Need a prior quarter

Largest holder

$8.63K

StoneX Group Inc.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
StoneX Group Inc.10.4K$8.63KNew
SUMMIT SECURITIES GROUP LLC1.51K$1.25KNew
HRT FINANCIAL LP76.5K$63New

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.