NEW YORK Feb 19 U.S. money market fund assets decreased by $3.64 billion to $3.575 trillion in the week ended Feb 18, the Money Fund Report said on Wednesday.

Taxable money market fund assets decreased by $2.80 billion to $3.440 trillion, while tax-free assets decreased by $844.20 million to $134.91 billion, according to the report, published by iMoneyNet.

The iMoneyNet Money Fund Average 7-Day Simple Yield for All Taxable money-market funds slipped to 1.25 percent from 1.26 percent last week; the Taxable WAM held steady at 31 days. The iMoneyNet Money Fund Average 7-Day Simple Yield for All Tax-Free and Municipal money-market funds increased to 0.69 percent from 0.62 percent last week. The Tax-Free WAM remained at 32 days.