| Owner | Manager | From | Until |
| Black Mercury Transport Ltd. - Liberia | Jebsen Group - Bergen, Norway | 1979 | 1988 |
| Long Beach Shipping Corporation - Philippines | Jebsen Group - Bergen, Norway | 1988 | 1992 |
| J.A. Shipping Ltd. - Norway | | 1992 | 1995 |
| Trieres Shipping Company Ltd. - Cyprus | | 1995 | 1996 |
| Morosaco Shipping Company Ltd. - Cyprus | | 1996 | 2001 |
| Fulton Bulk A/S - Norway | | 2001 | 2003 |
| Grosvenor Ventures SA - Panama | | 2003 | 2011 |
| PT Bosowa Lloyd - Indonesia | | 2011 | 2015 |
| Prasline Overseas Inc. - Panama | | 2015 | 2018 |
| Green Ocean Ship Management - Panama | | 2018 | 2018/10 |