Berkshire Hathaway increased its Alphabet stake by 83% to $37.8B, including a $10B private placement, making it the firm's third-largest equity

Berkshire owned about 106 million shares in the parent of Google, worth $37.9 billion at the end of June, according to a regulatory filing released Friday.

Berkshire Hathaway Q2 holdings shows new names and changes to old positions. Here's the list of changes and the top 10 holdings.