ETFs with the highest cash inflows over the month include the SPDR S&P 500 (NYSEArca: SPY) with $2.9 billion, iShares Russell 2000 (NYSEArca: IWM) with $1.6 billion and Vanguard MSCI Emerging Markets (NYSEArca: VWO) with $1.5 billion.
On the flip side, funds with the largest outflows include iShares Barclays 1-3 Year Treasuries (NYSEArca: SHY) with -$1.6 billion, SPDR Gold (NYSEArca: GLD) with -$1.4 billion and the iShares Barclays 7-10 Year Treasuries (NYSEArca: IEF) with -$523 million.
At the end of July, there were 1,486 U.S.-listed fund products, or 15% more than the 1,295 products available at the same time last year.
For more ETF asset flows, visit our ETF performance reports category.
Max Chen contributed to this article.