Berkshire Hathaway Chairman Warren Buffett seen at the annual Berkshire shareholder shopping day in Omaha, Nebraska, U.S., May 3, 2019.Scott Morgan | ReutersThis is breaking news. Please check back for updates.The second-largest investor in Kraft Heinz Company disclosed that it has again trimmed its stake in the food company.3G Capital Partners, the Brazilian private equity giant founded by Jorge Paulo Lemann, disclosed that it sold 25.1 million shares at a price of $28.44 per share, bring its stake down about 9% to 245 million shares.The private equity firm is the company’s second largest shareholder after Warren Buffett’s Berkshire Hathaway. After the sale, 3G Capital still has 20% ownership of Kraft Heinz. The stock fell 2.3% in premarket trading Tuesday.The private equity firm has a reputation on Wall Street for scaling back costs at the companies it invests in or acquires through layoffs, management replacement and other changes. The firm bought Heinz in 2013 and later merged the company with Kraft in 2015.Kraft Heinz did not immediately respond to CNBC’s request for comment.