According to ChainCatcher, official data from Grayscale shows that as of April 15th local time, GBTC holds 311,621.1013 BTC, a decrease of 2524.1 coins from the previous trading day. The asset under management for GBTC (non-GAAP) is $19,747,454,120.96 with circulating shares totaling 349,830,100 units.