BlackRock, Fidelity Lead $297.56M Bitcoin ETF Inflow Reversal as Markets Rebound

Bitcoin exchange-traded funds returned to net inflows, pulling in $297.56 million in a single session and snapping three straight days of withdrawals that capped last week. BlackRock's iShares Bitcoin Trust (IBIT) brought in $160.23 million, while Fidelity's Wise Origin Bitcoin Fund (FBTC) added $111.90 million, together accounting for more than 90% of the day's total. No spot Bitcoin ETF posted outflows. Secondary inflows went to ARK 21Shares' ARKB with $14.18 million and Morgan Stanley's MSBT with $11.24 million. Total trading volume across Bitcoin ETFs reached $2.12 billion, and combined net assets ended at $77.41 billion. Institutional participation also featured prominently. Quantitative trading firm Jane Street reported spot Bitcoin ETF positions exceeding $1 billion, including about $828 million in BlackRock's IBIT, with the balance spread across Fidelity and Grayscale products. Harvard Management Company held its IBIT stake steady in the second quarter at 3,044,612 shares, valued at $101.4 million as of late June, unchanged from the prior quarter after two consecutive periods of selling. Ethereum ETFs also moved back into positive territory, taking in $30.85 million. BlackRock's ETHA led with roughly $25.90 million, followed by Fidelity's FETH at $4.27 million and Bitwise's ETHW at approximately $682,000. No Ethereum fund recorded outflows. Trading volume for Ethereum ETFs totaled $459.73 million, with combined net assets at $10.59 billion. Funds linked to XRP, Solana and HYPE saw no net creations or redemptions during the session, as the rebound was concentrated in BTC and ETH to start the week.