Since that initial position, Berkshire has continued to acquire more shares. Today, its stake has nearly tripled, to about 250 million shares worth roughly $15 billion. More than four million of those shares were purchased in the last quarter alone. Berkshire still holds most of its warrants, too, which are now in the money.

Warren Buffett, often hailed as the Oracle of Omaha, boasts an unparalleled track record of making legendary stock picks that have stood the test of time. His investment skills and philosophy have turned Berkshire Hathaway (NYSE:BRK-A,

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