Bitcoin spot ETFs lost $64M in outflows on June 15 while Ethereum, Solana, and XRP ETFs attracted $28M, signaling an institutional rotation into altcoins.

Bitcoin spot ETFs lost $316M in weekly outflows, extending the streak to five weeks and $3.8B total, while XRP and HYPE ETFs attracted fresh capital.

Ether, XRP, Solana and Hyperliquid funds all took in money, but bitcoin's outflow was really just Grayscale's GBTC.