US investment fund Fidelity Investments has revealed a doubling of its holding in Belgian tanker owner Euronav to become the largest outside investor.

The New York and Brussels-listed VLCC and suezmax owner said it had received a notification from the Boston company's FMR LLC arm on 28 September that it now owns 11.9m shares, or 5.41% of the company.

Fidelity was listed with 2.47%