According to a report by State Street, US ETF assets grew by $4.7 billion or 0.8% in August to a total of $582 billion as rising US equity and bond prices offset declines in commodity prices and International stocks.

The US ETF Snapshot Report also noted that there are now 710 ETFs in the US managed by 24 ETF managers with two new ETFs launched and one new manager joining the marketplace in August.

In terms of size and style, Small Cap ETFs were the fastest growing, up 13.4% on the month helped by a 4% jump in the Small Cap Value Index.

See the Style ETF Directory for a complete listing of Small Cap Value ETFs.

The two State Street ETFs with the greatest net positive money flows were:

• SPDR Barclays Capital High Yield Bond ETF [JNK], which saw $50.8MM in net flows.

• SPDR DB International Inflation Linked Bond ETF [WIP], which saw $35.0MM in net flows.