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.
Q2 2026 vs. Q1 2026
How the institutions holding Castor Maritime Inc. changed between Q1 2026 and Q2 2026.
All holders in Q2 2026All holders in Q1 2026
| Measure | Q1 2026 | Q2 2026 | Change |
|---|---|---|---|
| Holders | 19 | 25 | +6 |
| Shares | 374.3K | 430.2K | +55.9K (+14.9%) |
| Value | $692.4K | $902.9K | +$210.5K (+30.4%) |
New holders (8)
Institutions that held Castor Maritime Inc. at the end of Q2 2026 but not at the end of Q1 2026.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Citadel Advisors LLC | 26,060 | $54.5K | 0.00% |
| GWM Advisors LLC | 21,912 | $46.0K | 0.00% |
| Susquehanna International Group, LLP | 12,558 | $26.2K | 0.00% |
| TD Waterhouse Canada Inc. | 2,800 | $5.89K | 0.00% |
| Jones Financial Companies LLLP | 25 | $53 | 0.00% |
| Advisor Group Holdings, Inc. | 20 | $42 | 0.00% |
| Cape Investment Advisory, Inc. | 4 | $8 | 0.00% |
| Steward Partners Investment Advisory, LLC | 1 | $2 | 0.00% |
Sold out (2)
Institutions that held Castor Maritime Inc. at the end of Q1 2026 and filed for Q2 2026 without it.
| Institution | Shares, Q1 2026 | Value, Q1 2026 |
|---|---|---|
| UBS Group AG | 2,227 | $4.12K |
| Robinswood Financial LLC | 15 | $27 |