US Spot Bitcoin ETFs Record Roughly $2.4 Billion in Weekly Inflows

US spot Bitcoin exchange-traded funds secured roughly $2.4 billion in net weekly inflows for the period ending September 25, marking their strongest performance since October 2025. Total assets across the products climbed to around $108 billion, with cumulative inflows exceeding $57 billion. The surge pushed year-to-date net flows positive to roughly $934 million, rebounding from a mid-July deficit of $5.8 billion. BlackRock's IBIT spearheaded demand with about $1.2 billion, followed by Fidelity's FBTC at roughly $702 million, while centralized exchange reserves fell by approximately 35,800 BTC over the week.