Getty Images / Bill Pugliano
- Warren Buffett exited his wager on Microsoft buying Activision Blizzard last quarter, filings show.
- Buffett built a $5 billion Activision stake, wagering the stock would hit Microsoft's offer of $95.
- He's now sold the shares he bought, reducing Berkshire's stake to its pre-arbitrage size.
Warren Buffett closed out his bet on Microsoft buying Activision Blizzard last quarter, and likely left some money on the table.