The Omaha, Nebraska-based conglomerate purchased roughly 2.3 million shares for about $54 million in separate transactions Thursday through Monday.

Berkshire Hathaway has compounded shareholder capital at nearly 20% annually since the 1960s. It all comes down to capital allocation, something the great Warren Buffett, longtime CEO of Berkshire, is great at.

Berkshire Hathaway said on Friday it has shed more than 4,000 jobs over the last year, even as the conglomerate run by Warren Buffett is on pace to post a record annual operating profit. In a regulatory filing,