Castor MaritimeCTRM
13F holders, Q3 2024 (September 30)At the end of Q3 2024, 22 institutions reported holding Castor Maritime Inc. (CTRM) in their 13F filings, unchanged from Q2 2024. 4 opened new positions and 5 sold out. The largest holders were Renaissance Technologies ($153K), Apriem Advisors ($80K) and Susquehanna International Group, LLP ($80K). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Castor Maritime Inc.
- CUSIP
- Y1146L208
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $165K |
| Exits | 5 | $108K |
All 13F filers, Q2 2024 → Q3 2024: 53,592 shares bought and 24,796 shares sold, net +28,796 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 22 holders
| Renaissance Technologies | 0.00% | Add +23.4% | 36,369 | $153K |
| Apriem Advisors | 0.01% | No change | 19,000 | $80K |
| Susquehanna International Group, LLP | 0.00% | Reduce -1.6% | 18,879 | $80K |
| Virtu Financial LLC | 0.00% | Reduce -1.0% | 16,320 | $69K |
| Squarepoint Ops LLC | 0.00% | New | 13,771 | $58K |
| Towerview LLC | 0.03% | New | 12,500 | $53K |
| Citadel Advisors | 0.00% | New | 12,493 | $53K |
| Simplex Trading, LLC | 0.00% | Add +46.9% | 10,138 | $42K |
| Group One Trading LLC | 0.00% | Add +156.8% | 7,245 | $31K |
| Morgan Stanley | 0.00% | Reduce -6.9% | 6,505 | $27K |
| BlackRock, Inc. | 0.00% | — | 1,814 | $8K |
| Founders Capital Management | 0.00% | No change | 800 | $3K |
| Lazard Asset Management LLC | 0.00% | New | 260 | $1K |
| Global Retirement Partners, LLC | 0.00% | No change | 100 | $422 |
| Global Wealth Strategies & Associates | 0.00% | No change | 40 | $169 |
| Wolff Wiese Magana LLC | 0.00% | No change | 20 | $85 |
| Strategic Investment Solutions, Inc. | 0.00% | No change | 20 | $84 |
| JPMorgan Chase & Co. | 0.00% | Add +50.0% | 18 | $76 |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -94.8% | 17 | $72 |
| Osaic Holdings, Inc. | 0.00% | No change | 8 | $34 |
| Optimum Investment Advisors | 0.00% | No change | 5 | $21 |
| Cape Investment Advisory, Inc. | 0.00% | No change | 4 | $17 |
"% of holder's portfolio" is CTRM's weight in each manager's 13F, not the share of Castor Maritime Inc. the manager owns.