Spot bitcoin and ethereum exchange-traded funds saw a combined $270.37 million in inflows on Friday, continuing a trend of institutional engagement with these crypto-backed funds.
Spot Bitcoin ETFs Now Total $44.5B in Inflows
Sosovalue.com stats show spot bitcoin ETFs attracted $211.74 million during the May 23 trading session, pushing cumulative inflows to $44.53 billion since their Jan. 11 launch. The largest gainer was Blackrock’s IBIT, which pulled in $430.77 million.
Spot bitcoin ETF flows as of May 23, 2025.
Vaneck’s HODL also saw modest gains at $17.72 million. However, several prominent funds recorded outflows: Grayscale’s GBTC shed $89.17 million, Fidelity’s FBTC lost $73.69 million, and Ark Invest’s ARKB saw $73.89 million exit.
A number of funds, including Grayscale’s Mini Bitcoin fund, Bitwise’s BITB, and Valkyrie’s BRRR, were flat on the day, showing no net inflow or outflow activity. The U.S. bitcoin ETFs collectively hold $131.39 billion in BTC or around 6.11% of BTC’s market cap.
ETHA Tops Ethereum ETF Inflows with $52.8M
On the ethereum side, ETFs brought in a combined $58.63 million, lifting total net inflows to $2.76 billion since the funds started trading on July 23, 2024. Blackrock’s ETHA led with $52.84 million in new capital.
Grayscale’s Mini Ethereum fund added $5.79 million, while its ETHE product remained neutral. All other funds, including those offered by Fidelity, Bitwise, Vaneck, and 21shares, posted no inflows or outflows.
The split between high net contributions and neutral or negative flows highlights ongoing investor selectivity in both the bitcoin and ethereum ETF markets. Inflows suggest that institutional appetite remains steady—and it’s clearly tilting in bitcoin’s favor.
