Kingdom Holding invested in Russia's Gazprom, Rosneft, and Lukoil from February to March this year.
Saudi Arabia's sovereign wealth fund owns 17% of Kingdom Holding.
Kingdom Holding, one of Saudi Arabia's highest profile companies, is mostly owned by Prince Alwaleed bin Talal.
Kingdom Holding posted details of the transactions into Russian energy companies Gazprom, Rosneft, and Lukoil on Twitter on Sunday.
The tweets show the company invested 1.37 billion Saudi riyals, or $365 million, in Gazprom and 196 million riyals in Rosneft in February 2022.