Bitcoin ETFs See Record Inflows as Competition Heats Up

In a significant week for U.S. spot Bitcoin ETFs, net inflows surged to $2.4 billion in the week ending September 25, 2026, marking the highest such amount since October 10, 2025.

The Monday of that week saw a staggering $999 million in net inflows, with ARKB and FBTC receiving $289.1 million and $238.8 million respectively.

Fidelity's FBTC holds $15.5 billion in assets, while ARKB has $2.87 billion under management. The expense ratio for ARKB is 0.21%, lower than the 0.25% fee charged by FBTC.