Tax-exempt money market funds retrieved some of the losses they suffered last week, as $1.47 billion of new cash flowed in and total net assets rose to $274.26 billion in the week ended May 21, according to the Money Fund Report, a service of

Last week, the funds lost $2.17 billion — the first outflows in nearly a month — as total net assets fell to $272.79 billion.

This week, the average seven-day simple yield for the 442 tax-exempt money funds remained at 0.02% for the seventh week in a row, while the average maturity remained at 25 days.

Meanwhile, among the 1,083 taxable money funds, a modest $122.5 million trickled out of the market as total net assets dropped slightly to $2.266 trillion in the week ended May 21, following a week that saw the funds shed $8.65 billion and finish with $2.267 trillion.

The seven-day yield for the taxable money funds was unchanged at 0.03% for the 16th consecutive week, while the average maturity remained at 46 days.

Overall, the combined assets of the 1,525 reporting money funds gained $1.35 billion of new cash in the week ended May 22, as total net assets rose to $2.541 trillion.

The previous week’s activity saw the funds decline by $10.82 billion and settle at $2.539 trillion.

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