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 2024
Institutional positions in Castor Maritime Inc. as of Mar 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
- 20
- −9 vs. Q4 2023
- Shares held
- 95.9K
- −8.32K (−8.0%) vs. Q4 2023Converted for a 1-for-10 split
- Total value
- $329.0K
- −$114.3K (−25.8%) vs. Q4 2023
- New holders
- 2
- 6 more added
- Sold out
- 11
- 5 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: 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 2024
Shares, value and share of portfolio for each institution holding Castor Maritime Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Renaissance Technologies LLC | 21,069 | $72.0K | 0.00% | +4,869+30.1% | AddedConverted for a 1-for-10 split |
| Virtu Financial LLC | 16,381 | $56.0K | 0.00% | +5,347+48.5% | AddedConverted for a 1-for-10 split |
| UBS Group AG | 13,817 | $47.5K | 0.00% | +13,817+2,763,300.0% | AddedConverted for a 1-for-10 split |
| Ground Swell Capital, LLC | 11,405 | $39.2K | 0.04% | +9,771+598.2% | AddedConverted for a 1-for-10 split |
| Jane Street Group, LLC | 11,230 | $38.6K | 0.00% | +2,930+35.3% | AddedConverted for a 1-for-10 split |
| Apriem Advisors | 11,070 | $38.1K | 0.00% | +6,793+158.8% | AddedConverted for a 1-for-10 split |
| Morgan Stanley | 7,868 | $27.1K | 0.00% | −501−6.0% | ReducedConverted for a 1-for-10 split |
| Tower Research Capital LLC (TRC) | 1,992 | $6.85K | 0.00% | +1,992 | New |
| Founders Capital Management | 800 | $2.75K | 0.00% | 00.0% | UnchangedConverted for a 1-for-10 split |
| Global Retirement Partners, LLC | 100 | $344 | 0.00% | 00.0% | UnchangedConverted for a 1-for-10 split |
| Advisor Group Holdings, Inc. | 51 | $175 | 0.00% | 00.0% | UnchangedConverted for a 1-for-10 split |
| Global Wealth Strategies & Associates | 40 | $138 | 0.00% | 00.0% | UnchangedConverted for a 1-for-10 split |
| Wolff Wiese Magana LLC | 20 | $69 | 0.00% | 00.0% | UnchangedConverted for a 1-for-10 split |
| Old Point Trust & Financial Services N A | 10 | $34 | 0.00% | +10 | New |
| Optimum Investment Advisors | 5 | $17 | 0.00% | 00.0% | UnchangedConverted for a 1-for-10 split |
| JPMorgan Chase & Co | 4 | $14 | 0.00% | −2−29.8% | ReducedConverted for a 1-for-10 split |
| Cape Investment Advisory, Inc. | 4 | $14 | 0.00% | −1−11.1% | ReducedConverted for a 1-for-10 split |
| Northwestern Mutual Wealth Management Co | 1 | $3 | 0.00% | −1−37.5% | ReducedConverted for a 1-for-10 split |
| Simplex Trading, LLC | 10 | $0 | 0.00% | −3,290−99.7% | ReducedConverted for a 1-for-10 split |
| Royal Bank of Canada | 5 | $0 | 0.00% | 00.0% | UnchangedConverted for a 1-for-10 split |
| Invesco Ltd. | 0 | $0 | 0.00% | −23,060−100.0% | Sold outConverted for a 1-for-10 split |
| Privium Fund Management (UK) Ltd | 0 | $0 | 0.00% | −15,499−100.0% | Sold outConverted for a 1-for-10 split |
| Geode Capital Management, LLC | 0 | $0 | 0.00% | −8,236−100.0% | Sold outConverted for a 1-for-10 split |
| Lazari Capital Management, Inc. | 0 | $0 | 0.00% | −2,010−100.0% | Sold outConverted for a 1-for-10 split |
| EP Wealth Advisors, LLC | 0 | $0 | 0.00% | −1,001−100.0% | Sold outConverted for a 1-for-10 split |
| Banque Cantonale Vaudoise | 0 | $0 | 0.00% | −200−100.0% | Sold outConverted for a 1-for-10 split |
| 1832 Asset Management L.P. | 0 | $0 | 0.00% | −20−100.0% | Sold outConverted for a 1-for-10 split |
| Allworth Financial LP | 0 | $0 | 0.00% | −11−100.0% | Sold outConverted for a 1-for-10 split |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −5−100.0% | Sold outConverted for a 1-for-10 split |
| Focused Wealth Management, Inc | 0 | $0 | 0.00% | −5−100.0% | Sold outConverted for a 1-for-10 split |
| Cutler Group LP | 0 | $0 | 0.00% | −10−100.0% | Sold outConverted for a 1-for-10 split |
| Coppell Advisory Solutions LLC | – | – | – | – | Not filed |