Blackrock increases stake in GILD by 63 million shares (a 7.5% holder now) http://ih.advfn.com/p.php?pid=nmona&article=73678573&adw=1126416 Blackrock was the 4th largest holder with 36 million shares. Now it holds 99.3 million and has become the largest holder with a 7.5% stake. http://www.nasdaq.com/symbol/gild/ownership-summary