13F

Stock

Castor Maritime Inc.

CTRM · held by 24 managers

Reported value

$998K

Holders

24

+0 new · −1 exited

Holders’ est. mark

Need a prior quarter

Largest holder

$151.8K

Citadel

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Show all managers
InvestorSharesValueEst. markChange
Citadel73.4K$151.8KHeld
Renaissance Technologies40.6K$84KHeld

Who left

Positions as of Q4 2025. 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.