3 institutions reported holding $545,710 of GENCO SHIPPING & TRADING LTD (GNKOQ) in SEC 13F filings for 2026-03-31. Largest institutional holders: GROUP ONE TRADING LLC ($254,815), IMC-Chicago, LLC ($245,795), SIMPLEX TRADING, LLC ($45,100). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $254,815 | 11,300 | Added |
| 2 | IMC-Chicago, LLC | $245,795 | 10,900 | New |
| 3 | SIMPLEX TRADING, LLC | $45,100 | 2,000 | New |
Source: SEC Form 13F filings · as of 2026-03-31