Grayscale official updates spot Bitcoin ETF holdings data: As of February 16, GBTC holds 456,033.8336 BTC, a decrease of about 3,394 from the previous day. In addition, the asset management scale (non-GAAP) of GBTC is $23,641,856,490.11 USD; circulating shares have decreased to 510,710,100 shares with each share holding approximately 0.00089294 BTC.