Warren Buffett’s retirement hasn’t distracted Berkshire Hathaway from doing what he did best — snapping up beaten-down stocks.

The legendary investor’s conglomerate has nearly doubled its stake in homebuilder Lennar since the end of June, regulatory filings show.

Buffett, 96, departed as CEO at the turn of this year and stepped down as chairman on September 18.

Three days later, Berkshire revealed it owned more than 10% of Lennar, after boosting its total amount of Class A and Class B shares from about 13.4 million at the end of June to 21.5 million on September 17.

Berkshire disclosed in subsequent filings that as of Friday, it holds about 25.4…