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, Q1 2023
Institutional positions in Castor Maritime Inc. as of Mar 31, 2023. 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
- 29
- −4 vs. Q4 2022
- Shares held
- 1.89M
- +182.5K (+10.7%) vs. Q4 2022
- Total value
- $1.48M
- −$433.6K (−22.7%) vs. Q4 2022
- New holders
- 5
- 5 more added
- Sold out
- 9
- 6 more reduced
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding Castor Maritime Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tower Research Capital LLC (TRC) | 40 | $0 | 0.00% | −4,927−99.2% | Reduced |
| Cutler Group LP | 1,100 | $0 | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 150 | $0 | 0.00% | +100+200.0% | Added |
| Cape Investment Advisory, Inc. | 45 | $36 | 0.00% | +45 | New |
| Optimum Investment Advisors | 50 | $39 | 0.00% | 00.0% | Unchanged |
| Focused Wealth Management, Inc | 50 | $39 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 98 | $77 | 0.00% | +98 | New |
| Wolff Wiese Magana LLC | 200 | $158 | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 220 | $172 | 0.00% | 00.0% | Unchanged |
| Global Wealth Strategies & Associates | 400 | $316 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 510 | $402 | 0.00% | 00.0% | Unchanged |
| Belpointe Asset Management LLC | 630 | $497 | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 1,000 | $645 | 0.00% | 00.0% | Unchanged |
| Banque Cantonale Vaudoise | 2,000 | $2.00K | 0.00% | 00.0% | Unchanged |
| Apriem Advisors | 10,000 | $7.89K | 0.00% | 00.0% | Unchanged |
| Founders Capital Management | 10,000 | $8.00K | 0.01% | 00.0% | Unchanged |
| Wolverine Trading, LLC | 15,070 | $11.0K | 0.00% | +15,070 | New |
| Two Sigma Advisers, LP | 26,300 | $20.8K | 0.00% | −800−3.0% | Reduced |
| Jane Street Group, LLC | 29,114 | $23.0K | 0.00% | −58,654−66.8% | Reduced |
| Simplex Trading, LLC | 32,024 | $25.0K | 0.00% | −10,587−24.8% | Reduced |
| Geode Capital Management, LLC | 49,703 | $39.2K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 51,980 | $41.0K | 0.00% | −38,963−42.8% | Reduced |
| Susquehanna International Group, LLP | 75,793 | $59.8K | 0.00% | +52,110+220.0% | Added |
| Morgan Stanley | 81,388 | $64.3K | 0.00% | +10,900+15.5% | Added |
| Sabby Management, LLC | 81,889 | $64.7K | 0.24% | +100+0.1% | Added |
| Renaissance Technologies LLC | 144,100 | $114.0K | 0.00% | −196,247−57.7% | Reduced |
| Invesco Ltd. | 227,323 | $179.5K | 0.00% | +227,323 | New |
| Millennium Management LLC | 1,030,135 | $813.0K | 0.00% | +539,452+109.9% | Added |
| EP Wealth Advisors, LLC | 16,580 | – | – | +16,580 | New |
| LPL Financial LLC | 0 | $0 | 0.00% | −257,554−100.0% | Sold out |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −62,566−100.0% | Sold out |
| Veriti Management LLC | 0 | $0 | 0.00% | −26,187−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −20,145−100.0% | Sold out |
| Credit Suisse AG | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Piershale Financial Group, Inc. | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Assetmark, Inc | 0 | $0 | 0.00% | −166−100.0% | Sold out |
| Coppell Advisory Solutions LLC | 0 | $0 | 0.00% | −126−100.0% | Sold out |
| Coppell Advisory Solutions Corp. | 0 | $0 | 0.00% | −126−100.0% | Sold out |