Dr. Miriam Adelson, widow of the late Sheldon Adelson, has been appointed executor of the former Las Vegas Sands CEO’s estate, according to a Securities and Exchange Commission filing.

Miriam Adelson was appointed executor by Clark County District Court on June 3, the filing states, and she owns and has voting control over 398,956,751 shares, or 52.2 percent, of Las Vegas Sands Corp. outstanding common stock.

Under Wednesday’s closing stock price, the holdings would be worth around $22 billion.

Sheldon Adelson died Jan. 11 at his home in Malibu, California, at age 87 of complications related to treatment for non-Hodgkin lymphoma.