U.S. spot bitcoin ETFs took in $433 million on Friday, helping the group finish the week ending Sept. 18 with a $6.2 million net inflow. According to NS3.AI, Fidelity's FBTC accounted for $310.7 million of the bitcoin funds' Friday inflow.

Spot ether ETFs also received $143.8 million on Friday, but the category still logged a $140 million weekly outflow and ended a four-week inflow streak. The figures were based on The Block's analysis of SoSoValue data.