Data from SoSoValue reveals notable financial activity in Bitcoin spot ETFs during the week of August 25th to August 29th, 2025. The total net inflows for these ETFs reached $441 million, driven by the strong performance of Blackrock’s IBIT ETF. This ETF experienced a substantial inflow of $248 million, contributing to its historical total net inflow reaching $58.31 billion. The Ark Invest and 21Shares ARKB ETF also saw considerable inflows during the week, with a weekly net inflow of $78.59 million. In contrast, Grayscale’s GBTC ETF recorded the largest outflows for the week, amounting to $15.3 million. This brings its historical total net outflow to $23.94 billion. As of the latest update, Bitcoin spot ETFs hold a combined $139.95 billion in assets, with an ETF net asset ratio of 6.52% compared to the Bitcoin market capitalization. Overall, these ETFs have accumulated $54.24 billion in net inflows over their history.