BitMEX data shows that Fidelity's Wise Origin Bitcoin (FBTC) exchange-traded fund (ETF) saw a significant increase in funds this week, with a total inflow of $4 billion. BlackRock's iShares Bitcoin ETF (IBIT) also saw impressive net inflows of $5.7 billion. In contrast, GBTC experienced more outflows, but these were suppressed. According to Glassnode, since the launch of the Bitcoin ETF on January 11, GBTC's total Bitcoin holdings have decreased by 33%, with total outflows reaching $7.4 billion. As of now, the total net inflow for all Bitcoin ETFs is $5.3 billion, which is equivalent to 110,000 Bitcoins.