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.
Q1 2026 vs. Q4 2025
How the institutions holding Castor Maritime Inc. changed between Q4 2025 and Q1 2026.
All holders in Q1 2026All holders in Q4 2025
| Measure | Q4 2025 | Q1 2026 | Change |
|---|---|---|---|
| Holders | 25 | 19 | −6 |
| Shares | 494.0K | 374.3K | −119.7K (−24.2%) |
| Value | $1.02M | $692.4K | −$330.6K (−32.3%) |
New holders (4)
Institutions that held Castor Maritime Inc. at the end of Q1 2026 but not at the end of Q4 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Centiva Capital, LP | 11,089 | $20.5K | 0.00% |
| Farther Finance Advisors, LLC | 15 | $27 | 0.00% |
| Gill Capital Partners, LLC | 6 | $11 | 0.00% |
| Caitong International Asset Management Co., Ltd | 4 | $7 | 0.00% |
Sold out (10)
Institutions that held Castor Maritime Inc. at the end of Q4 2025 and filed for Q1 2026 without it.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Citadel Advisors LLC | 73,357 | $151.8K |
| Susquehanna International Group, LLP | 36,418 | $75.4K |
| Jane Street Group, LLC | 17,898 | $37.0K |
| Two Sigma Securities, LLC | 17,297 | $35.8K |
| Virtu Financial LLC | 11,852 | $25.0K |
| Garton & Associates Financial Advisors LLC | 2,000 | $4.14K |
| Tower Research Capital LLC (TRC) | 122 | $253 |
| Jones Financial Companies LLLP | 6 | $12 |
| Cape Investment Advisory, Inc. | 4 | $8 |
| Navalign, LLC | 1 | $2 |