Odaily Planet Daily News After the increase in capital inflows in the past week, asset management companies BlackRock and Grayscale currently hold nearly 3% of the Bitcoin circulation in their US spot Bitcoin ETFs. Data shows that BlackRock iShares Bitcoin Trust (IBIT) currently holds 357,736.76150 BTC, while Grayscale's GBTC holds 227,712.3295 BTC. In addition, Grayscale also holds 5,962 BTC in its digital large-cap fund and 32,692.0926 BTC in its Grayscale Bitcoin Mini Trust. (Decrypt)