According to SoSoValue, as of September 5th (Eastern Time), Bitcoin spot ETFs experienced a total net outflow of $211.15M.
Yesterday, Grayscale's ETF GBTC had a net outflow of $23.22M, bringing GBTC's total historical net outflow to $19.96B.
Grayscale Bitcoin Mini Trust ETF BTC had a net outflow of $ 8.45M,bringing Grayscale Bitcoin Mini Trust ETF BTC's total historical net inflow to $339.48M.
As of this writing, the total net asset value of Bitcoin spot ETFs stands at $50.73B, with the ETF net asset ratio (the market value relative to the total market value of Bitcoin) reaching 4.58%. The historical cumulative net inflow has reached $17.06B.
Source: https://sosovalue.com/assets/etf