Currently, the ten BTC spot ETFs collectively hold 774,371 BTC

According to the on-chain analyst Yu Jin's monitoring, Grayscale (GBTC) had a fund outflow as high as $492.37 million last Friday (3/1), but due to BlackRock (IBIT) having an inflow that was $4 billion lower compared to February 29th. Therefore, overall BTC spot ETFs experienced a net outflow. On March 1st, ten BTC spot ETFs had a net outflow of $139.52 million, corresponding to approximately 2,213 BTC in net outflows from ETF custody addresses after the U.S. stock market opened tonight (3/4): • Outflows: Grayscale (GBTC) and VanEck (HODL) saw an outflow of about 7,837 BTC (corresponding to a fund outflow of $494.14 million on 3/1); • Inflows: The remaining eight ETFs had an inflow of around 5,624 BTC (corresponding to a fund inflow of $354.62 million on 3/1), with BlackRock's IBIT having the highest inflow at 3,212 BTC ($202.51 million). Currently, the total number of Bitcoins held by these ten BTC spot ETFs is 774,371 coins ($48 billion).