One fund did all the buying. 💰 US spot $BTC ETFs took in $526.6M on Monday — their biggest day in a month. Every dollar of it came from BlackRock's IBIT ($665M), while Fidelity and Grayscale funds kept bleeding outflows. Two straight weeks of redemptions just ended with a single-institution stampede. Flows lead, price follows. Not financial advice. #USBitcoinETFsRecord$527MInflows