Castor Maritime Inc.
CTRM- Exchange
- Nasdaq
- Industry
- Deep Sea Foreign Transportation of Freight
- SEC CIK
- 0001720161
No open-market purchases or sales by Castor Maritime Inc. insiders were filed in the last 90 days; 25 institutions reported holding it in 13F filings for Q2 2026, worth $902.9K in total; no superinvestor holds it.
13F holders, Q4 2024
Institutional positions in Castor Maritime Inc. as of Dec 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 17
- −5 vs. Q3 2024
- Shares held
- 391.0K
- +234.7K (+150.1%) vs. Q3 2024
- Total value
- $1.08M
- +$416.4K (+63.2%) vs. Q3 2024
- New holders
- 3
- 6 more added
- Sold out
- 8
- 1 more reduced
Compare with Q3 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CTRM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 25 | $902.9K |
| Q1 2026 | 19 | $692.4K |
| Q4 2025 | 25 | $1.02M |
| Q3 2025 | 18 | $778.5K |
| Q2 2025 | 17 | $852.6K |
| Q1 2025 | 16 | $925.1K |
| Q4 2024 | 17 | $1.08M |
| Q3 2024 | 22 | $658.9K |
| Q2 2024 | 22 | $577.8K |
| Q1 2024 | 20 | $329.0K |
| Q4 2023 | 30 | $443.5K |
| Q3 2023 | 28 | $392.7K |
| Q2 2023 | 27 | $398.9K |
| Q1 2023 | 29 | $1.48M |
| Q4 2022 | 33 | $1.91M |
| Q3 2022 | 28 | $1.44M |
| Q2 2022 | 32 | $1.95M |
| Q1 2022 | 28 | $1.68M |
| Q4 2021 | 29 | $5.60M |
| Q3 2021 | 33 | $6.66M |
| Q2 2021 | 31 | $12.2M |
| Q1 2021 | 40 | $7.71M |
Institutions, Q4 2024
Shares, value and share of portfolio for each institution holding Castor Maritime Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Towerview LLC | 240,000 | $660.0K | 0.47% | +227,500+1,820.0% | Added |
| Renaissance Technologies LLC | 39,669 | $109.1K | 0.00% | +3,300+9.1% | Added |
| Squarepoint Ops LLC | 28,373 | $78.0K | 0.00% | +14,602+106.0% | Added |
| Goldman Sachs Group Inc | 22,014 | $60.5K | 0.00% | +22,014 | New |
| Susquehanna International Group, LLP | 19,964 | $54.9K | 0.00% | +1,085+5.7% | Added |
| Apriem Advisors | 19,000 | $52.3K | 0.01% | 00.0% | Unchanged |
| UBS Group AG | 9,273 | $25.5K | 0.00% | +9,273 | New |
| Morgan Stanley | 6,488 | $17.8K | 0.00% | −17−0.3% | Reduced |
| Tower Research Capital LLC (TRC) | 3,135 | $8.62K | 0.00% | +3,118+18,341.2% | Added |
| Founders Capital Management | 2,800 | $7.70K | 0.00% | +2,000+250.0% | Added |
| SBI Securities Co., Ltd. | 113 | $311 | 0.00% | +113 | New |
| Global Retirement Partners, LLC | 100 | $275 | 0.00% | 00.0% | Unchanged |
| Global Wealth Strategies & Associates | 40 | $110 | 0.00% | 00.0% | Unchanged |
| Wolff Wiese Magana LLC | 20 | $55 | 0.00% | 00.0% | Unchanged |
| Strategic Investment Solutions, Inc. | 20 | $55 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 18 | $50 | 0.00% | 00.0% | Unchanged |
| Cape Investment Advisory, Inc. | 4 | $11 | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 0 | $0 | 0.00% | −16,320−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −12,493−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −10,138−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −7,245−100.0% | Sold out |
| BlackRock, Inc. | 0 | $0 | 0.00% | −1,814−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −260−100.0% | Sold out |
| Advisor Group Holdings, Inc. | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Optimum Investment Advisors | 0 | $0 | 0.00% | −5−100.0% | Sold out |