Official data from Grayscale shows that as of March 19th local time, GBTC held 368,558.4612 BTC, a decrease of 9610.9114 BTC from the previous trading day. In addition, GBTC's assets under management (non-GAAP) were $23,742,893,574.31, with 413,290,100 shares outstanding. On January 12, 2024, GBTC held 617,079.99 BTC, but since then, 238,910.62 BTC have flowed out, worth $15.4 billion.