Asda has held onto its spot as the UK's number two supermarket group.

Research from TNS Worldpanel found that Asda's share of the grocery market in the three months to March 26 was 16.3%.

Although analysts had speculated that Sainsbury would overtake Asda to regain its crown as the UK's number two supermarket behind Tesco, its market share for the three months to March 26 was 16%.