Tesco recorded a 3.1% rise in sales in the three months ending December 31, according to the latest Kantar Worldpanel UK grocery market share figures.
Kantar reported that Aldi and Lidl attracted nearly one million additional households to their stores during the past three months.
Increasing their market share to 6.8% and 5% respectively.
Fraser McKevitt, head of retail and consumer insight at Kantar Worldpanel, said: “Overall supermarket sales increased in value by 3.8%, with an additional £1 billion ringing through the tills compared to the same festive period last year. Shoppers parted with £747 million on 22 December alone, making the Friday before Christmas the busiest shopping day ever recorded.”
Online supermarket sales rose 4.9% year-on-year, with Ocado leading the segment and increasing sales by 8.4% to account for 1.3% of the grocery market, a 0.1% increase.
Sales at Waitrose and Iceland increased by 2.3% and 2.9%, but their market shares dipped 0.2% and 0.1% to 5.8% and 2.2% respectively.
The Co-op was the only supermarket to record a decline in sales, dropping 0.2%, with its market share also dipping 0.1% to 5.2%.