Buffett has actually picked the winners in advance in his great essay: http://gdsinvestments.com/wp-content/uploads/2015/07/The-Superinvestors-of-Graham-and-Do

Buffett has actually picked the winners in advance in his great essay: http://gdsinvestments.com/wp-content/uploads/2015/07/The-Superinvestors-of-Graham-and-Doddsville-by-Warren-Buffett.pdf http://gdsinvestments.com/wp-content/uploads/2015/07/The-Sup... That said, a fund this size should be taking as passive of an approach as possible.