After seeing slight losses last week, the total assets of tax-exempt money market funds rose by $2.07 billion and settled at $448.94 billion for the week ending Aug. 10, according to the Money Fund Report, a service of iMoneyNet.com of Westborough, Mass.

By comparison, last week the assets of tax-free money funds dipped by $1.49 billion to a total of $446.87 billion for the week ending Aug. 3.

In addition, the seven-day simple yield for the 501 tax-exempt money funds in the report fell to 0.11% from 0.14% for the week ending Aug. 10 and tied the all-time low that was first achieved on July 13. The average maturity, meanwhile, increased to 29 days from 28 days last week.

Meanwhile, the total assets of the 1,177 taxable money market funds fell by $13 billion to $3.09 trillion for the week ending Aug. 11. The drop was substantially smaller than last week when the funds lost $32.81 billion and settled at $3.111 trillion for the week ending Aug. 4.

The average seven-day simple yield for taxable money funds reached a record low of 0.07% for the week ending Aug. 11, dropping one basis point from 0.08% last week.

Overall, the combined assets of all money market funds fell by $10.93 billion, and finished the week totaling $3.547 trillion, according to the report. Last week, the funds’ combined assets dropped by $34.31 billion and settled at $3.558 trillion for the week ending Aug. 4.

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