Castor MaritimeCTRM
13F holders, Q1 2025 (March 31)16holders −1
2new positions
2sold out
1famous investor
$2.28avg. 13F price*
At the end of Q1 2025, 16 institutions reported holding Castor Maritime Inc. (CTRM) in their 13F filings, down 1 from Q4 2024. 2 opened new positions and 2 sold out. The largest holders were Towerview LLC ($547K), Renaissance Technologies ($90K) and Susquehanna International Group, LLP ($61K). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Castor Maritime Inc.
- CUSIP
- Y1146L208
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $36K |
| Exits | 2 | $9K |
All 13F filers, Q4 2024 → Q1 2025: 27,707 shares bought and 12,816 shares sold, net +14,891 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 16 holders
| Towerview LLC | 0.39% | No change | 240,000 | $547K |
| Renaissance Technologies | 0.00% | No change | 39,669 | $90K |
| Susquehanna International Group, LLP | 0.00% | Add +34.6% | 26,863 | $61K |
| Goldman Sachs Group Inc. | 0.00% | Add +20.8% | 26,600 | $61K |
| Squarepoint Ops LLC | 0.00% | Reduce -17.9% | 23,292 | $53K |
| Apriem Advisors | 0.01% | No change | 19,000 | $43K |
| Simplex Trading, LLC | 0.00% | New | 13,223 | $30K |
| Morgan Stanley | 0.00% | Add +4.7% | 6,792 | $15K |
| UBS Group AG | 0.00% | Reduce -49.0% | 4,725 | $11K |
| Founders Capital Management | 0.00% | No change | 2,800 | $6K |
| Group One Trading LLC | 0.00% | New | 2,691 | $6K |
| SBI Securities Co., Ltd. | 0.00% | Add +3.5% | 117 | $267 |
| Wolff Wiese Magana LLC | 0.00% | No change | 20 | $46 |
| Strategic Investment Solutions, Inc. | 0.00% | No change | 20 | $46 |
| JPMorgan Chase & Co. | 0.00% | Reduce -66.7% | 6 | $14 |
| Cape Investment Advisory, Inc. | 0.00% | No change | 4 | $9 |
"% of holder's portfolio" is CTRM's weight in each manager's 13F, not the share of Castor Maritime Inc. the manager owns.