Bitcoin spot ETFs hemorrhaged $64.8 million on June 15, dragged down almost entirely by one familiar culprit. Grayscale’s GBTC, the fund that has been leaking assets since the day it converted from a trust, shed $124 million in a single session.

Meanwhile, the altcoin side of the ETF aisle told a completely different story. Ethereum spot ETFs pulled in $22.5 million, Solana products added $2.7 million, and XRP funds attracted $2.8 million.

The GBTC drag and Bitcoin’s outflow problem

GBTC lost $124 million, but the total Bitcoin ETF category only lost $64.8 million net. That means other Bitcoin funds actually absorbed roughly $59 million in inflows on the same day, partially offsetting Grayscale’s losses.

Altcoin ETFs are quietly building momentum