Berkshire Hathaway, the conglomerate run by legendary investor and soon-to-be-departing CEO Warren Buffett, on Saturday reported that it had recorded a nearly $5 billion second-quarter write-down of Kraft Heinz shares.

The Kraft Heinz Company ( NASDAQ: KHC) traded lower on Monday after Berkshire Hathaway ( BRK.A) (BRKB) recorded a substantial $3.76 billion after-tax writedown or impairment on its investment in the food company.

Berkshire marked down its carrying value of the Kraft Heinz stake to $8.4 billion at the end of June, according to a regulatory filing Saturday