There is one stock he has never sold since buying in 1991, though: American Express ( AXP -0.20%). Buffett owns over 20% of the credit card issuer and bank, making it the second-largest position in the Berkshire Hathaway portfolio. The position trades at a value of $40 billion as of this writing.

Plenty of big-time investors have made a name for themselves over the years, but arguably none have become as big of a household name as Warren Buffett. Thanks to personal achievements and the success of his company,

Billionaire investor Warren Buffett thinks he’s pretty lucky — and not just because of his whopping $150 billion net worth.

Renowned investor Warren Buffett has unveiled this year’s pre-Thanksgiving donations, and he’s unloading $1.1 billion to four of his family’s foundations.

Investor Warren Buffett renewed his Thanksgiving tradition of giving by announcing plans Monday to hand more than $1.1 billion of Berkshire Hathaway stock to four of his family's foundations, and he offered new details about who will be handing

Another quarter, another Apple (NASDAQ: AAPL) sale from Warren Buffett. The legendary investor sold a massive chunk of Apple stock yet again in the third quarter, estimated to be worth more than $20 billion,