Belgium’s Saverys family has increased its Euronav stake again a day before a crucial board vote that could determine whether the tanker company merges with John Fredriksen’s Frontline.

The clan’s shipowning company CMB and holding company Saverco now have 37.28m shares or 18.5%, extending the lead as the biggest shareholder.

This is up from 17.5% earlier in May.

Between 12 and 17 May, CMB acquired another 2.03m