Lubrizol Acquired By Berkshire Hathaway Berkshire Hathaway Inc. has acquired Lubrizol in an all-cash transaction valued at approximately $9.7 billion, including approximately $700 million in net debt, according to the companies. The deal is one of the largest acquisitions in Berkshire Hathaway’s history. “Lubrizol is exactly the sort of company with which we love to partner—the global leader in several market applications run by a talented CEO, James Hambrick,” said Warren Buffett, Ber...