Large-cap US funds lost $7.27 billion in net sales, the most since March 29, while small- and mid-cap funds posted outflows of $1.84 billion and $1.29 billion, respectively.
Among sector funds, technology and finance funds posted net outflows of $706 million and $389 million, respectively, but operators invested $432 million in consumer staples.
For their part, US money market funds recorded net inflows of $31.370 million, compared to $47.720 million in net purchases the previous week.
US bond funds, however, posted net outflows of $1.36 billion. Investors pulled out of US bond funds for the third week in a row.
US taxable domestic general fixed income funds reported outflows of $1.49 billion. US high-yield funds lost $1.77 billion in their first weekly net sale in five weeks.
Meanwhile, US short/intermediate investment grade funds netted $1.92 billion in their biggest weekly inflow in 10 weeks. Investors also bought $1.07 billion worth of US government debt funds.