As of March 22, BlackRock’s iShares Bitcoin Trust ETF held 238,500 Bitcoin on its books and has seen average daily inflows of around 4,120 in new Bitcoin entering the fund every day.

Meanwhile, the Grayscale Bitcoin Trust (GBTC) ETF still holds an estimated 350,252 BTC. It has seen average daily outflows of approximately 4,140 BTC daily, over the last two weeks. Assuming no drastic changes in the rate of the inflows and outflows, BlackRock could overtake Grayscale in terms of total Bitcoin held by April 11.