The Walton family could see nearly $12 billion added to their overall wealth after Walmart’s stock shot up 10% Thursday.

This brings the Walton family’s total net worth up to $163.2 billion according to the Bloomberg. Walmart saw its stock rise from a combination of e-commerce and traditional grocery retail.

The family’s wealth is distributed between Walmart co-founder Sam Walton’s heirs – Jim Rob and Alice Walton – who are worth $42.1 billion and $43.8 billion respectively. Sam Walton’s grandson Lukas Walton worth $15.3 billion as well as two other family members, Christy Walton at $6.89 billion and Nancy Walton Laurie at $4.66 billion.