Rick Wilking/Reuters Warren Buffett's Berkshire Hathaway hasn't closed a major takeover since 2016, and the holding company's ammunition for such a deal is building up. Berkshire has $137 billion to deploy for its next deal, and precedent shows Buffett shelling out tens of billions of dollars for his biggest acquisitions. Here are the 10 biggest deals in Berkshire Hathaway's history, from Precision Castparts to Duracell. Visit the Business Insider homepage for more stories. Warren Buffett hasn't closed a major takeover since 2016, and if precedent is anything to go by, the next one will be colossal.