Outflows from U.S. stock mutual funds appear to be subsiding. For the week ended Aug. 15, investors pulled an estimated $2.67 billion from funds that invest long-term in U.S. equities, according to the latest statistics from the Investment Company Institute.  The latest outflow is substantially less than the $3.56 billion outflow the week before and the massive $5.65 billion outflow the week before that.

Non-U.S. stock funds also continued to lose fans, posting estimated outflows of $556 million for the week ended Aug. 15 or four times the previous week's $122 million outflow.

Once again, bond funds were investor favorites, taking in $7.61 billion for the week, up slightly from the $7.20 billion they attracted a week earlier. Of the $7.61 billion, $6.01 went to taxable bond funds with the remaining $1.59 billion going to municipal bond funds.

Hybrid funds - those that invest in both stocks and fixed income securities - took in $949 million in estimated inflows, up 19% from $800 million a week earlier.

All told, mutual funds attracted a respectable $5.33 billion in estimated inflows for the week, a 23% increase from the previous week's $4.32 billion inflow.

The weekly fund flow estimates are derived from data covering more than 95% of industry assets, according to ICI.  The statistics cover long-term mutual funds, those the ICI defines as investing in long-term instruments.