Castor MaritimeCTRM
13F holders, Q2 2025 (June 30)17holders +1
4new positions
3sold out
1famous investor
$2.14avg. 13F price*
At the end of Q2 2025, 17 institutions reported holding Castor Maritime Inc. (CTRM) in their 13F filings, up 1 from Q1 2025. 4 opened new positions and 3 sold out. The largest holders were Towerview LLC ($513K), Renaissance Technologies ($87K) and Susquehanna International Group, LLP ($85K). 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 Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $109 |
| Exits | 3 | $64K |
All 13F filers, Q1 2025 → Q2 2025: 23,251 shares bought and 29,874 shares sold, net −6,623 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 17 holders
| Towerview LLC | 0.37% | No change | 240,000 | $513K |
| Renaissance Technologies | 0.00% | Add +2.5% | 40,669 | $87K |
| Susquehanna International Group, LLP | 0.00% | Add +50.5% | 40,435 | $85K |
| Goldman Sachs Group Inc. | 0.00% | Add +11.1% | 29,554 | $63K |
| Apriem Advisors | 0.00% | No change | 19,000 | $41K |
| Morgan Stanley | 0.00% | Add +83.5% | 12,466 | $27K |
| Simplex Trading, LLC | 0.00% | Reduce -11.6% | 11,689 | $25K |
| Founders Capital Management | 0.00% | No change | 2,800 | $6K |
| Group One Trading LLC | 0.00% | Reduce -11.8% | 2,374 | $5K |
| SBI Securities Co., Ltd. | 0.00% | No change | 117 | $250 |
| Allworth Financial LP | 0.00% | New | 20 | $43 |
| Wolff Wiese Magana LLC | 0.00% | No change | 20 | $43 |
| Strategic Investment Solutions, Inc. | 0.00% | No change | 20 | $43 |
| Iron Horse Wealth Management, LLC | 0.00% | New | 11 | $24 |
| Parallel Advisors, LLC | 0.00% | New | 10 | $21 |
| Federation des caisses Desjardins du Quebec | 0.00% | New | 10 | $21 |
| 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.