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SIMPLEX TRADING, LLC

Position in CTRM — Castor Maritime Inc.

CIK 1488542 CHICAGO, IL

Position in CTRM

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$10,874
+$5,403 QoQ
Shares Held
5,878
+122.4% QoQ
Ownership
0.061%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2024
8 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CTRM Over Time

Shares Held

Position Value (USD)

Position in Marine Shipping

Industrials · as of Mar 31, 2026

SIMPLEX TRADING, LLC holds $6,402,445 across 16 Marine Shipping names. CTRM ranks #14 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in CTRM

Export CSV
8 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $10,874 5,878
2025-12-31 $5,471 2,643
2025-09-30 $28,019 13,471
2025-06-30 $25,002 11,689
2025-03-31 $30,148 13,223
2024-09-30 $42,782 10,138
2024-06-30 $31,740 6,900
2024-03-31 $34 10