US ETF assets totaled $1.16 trillion as of June 30 – up 11.3% year-to-date, according to State Street Global Advisors’ ETF Snapshot.

The snapshot revealed that last month, investors added $11.9 billion more to ETFs than they withdrew, as large cap and fixed income ETFs attracted $4.9 billion and $4.7 billion of inflows respectively. Year-to-date, fixed income ETFs have attracted over $33 billion of inflows

Not surprisingly, the top three managers in the US ETF marketplace were: BlackRock, State Street and Vanguard. Collectively, they account for approximately 83% of the US listed ETF market. The top three ETFs in terms of dollar volume traded for the month were the SPDR S&P 500 [SPY], iShares Russell 2000 [IWM] and PowerShares QQQ [QQQ].

In total, 1,261 ETFs with assets totaling $1.2 trillion were managed by 39 ETF managers as of the end of June.