An official update from Grayscale on its Bitcoin exchange-traded fund data shows that as of July 19, Grayscale GBTC held 271,793.5659 Bitcoins, a decrease of 366.0801 Bitcoins from the previous trading day. In addition, GBTC's AUM (non-GAAP) was $18,274,132,812.57 with 306,310,100 shares outstanding.