If by favorite you mean he sold his position two years ago sure. https://www.cnbc.com/2018/05/04/warren-buffett-says-berkshire-hathaway-has-sold-completely-out

If by favorite you mean he sold his position two years ago sure. https://www.cnbc.com/2018/05/04/warren-buffett-says-berkshire-hathaway-has-sold-completely-out-of-ibm.html https://www.cnbc.com/2018/05/04/warren-buffett-says-berkshir...