Simplex Trading, LLC
- SEC CIK
- 0001488542
- Latest filing
- Aug 12, 2026
CTRM holding history
Castor Maritime Inc. in every 13F filed by Simplex Trading, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
CTRM overviewAll 13F holders of CTRMFull Q2 2026 holdings
- Shares (Q2 2026)
- 8,510
- Value
- $17.9K
- % of portfolio
- <0.1%
- Quarters held
- 18
- Since Q4 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 8,510 | $17.9K | <0.1% | +2,632+44.8% | Added | Holders |
| Q1 2026 | 5,878 | $10.9K | <0.1% | +3,235+122.4% | Added | Holders |
| Q4 2025 | 2,643 | $5.47K | <0.1% | −10,828−80.4% | Reduced | Holders |
| Q3 2025 | 13,471 | $28.0K | <0.1% | +1,782+15.2% | Added | Holders |
| Q2 2025 | 11,689 | $25.0K | <0.1% | −1,534−11.6% | Reduced | Holders |
| Q1 2025 | 13,223 | $30.0K | <0.1% | +13,223 | New | Holders |
| Q4 2024 | 0 | $0 | 0.0% | −10,138−100.0% | Sold out | Holders |
| Q3 2024 | 10,138 | $42.0K | <0.1% | +3,238+46.9% | Added | Holders |
| Q2 2024 | 6,900 | $31.0K | <0.1% | +6,890+68,900.0% | Added | Holders |
| Q1 2024 | 10 | $0 | 0.0% | −3,290−99.7% | ReducedConverted for a 1-for-10 split | Holders |
| Q4 2023 | 32,998 | $14.0K | <0.1% | −13,301−28.7% | Reduced | Holders |
| Q3 2023 | 46,299 | $20.0K | <0.1% | +2,660+6.1% | Added | Holders |
| Q2 2023 | 43,639 | $19.0K | <0.1% | +11,615+36.3% | Added | Holders |
| Q1 2023 | 32,024 | $25.0K | <0.1% | −10,587−24.8% | Reduced | Holders |
| Q4 2022 | 42,611 | $47.0K | <0.1% | +141+0.3% | Added | Holders |
| Q3 2022 | 42,470 | $47.0K | <0.1% | −10,216−19.4% | Reduced | Holders |
| Q2 2022 | 52,686 | $70.0K | <0.1% | +15,639+42.2% | Added | Holders |
| Q1 2022 | 37,047 | $68.0K | <0.1% | −36,818−49.8% | Reduced | Holders |
| Q4 2021 | 73,865 | $104.0K | <0.1% | +73,865 | New | Holders |