Total money market mutual fund assets increased by $19.53 billion to $2.601 trillion for the week ended Wednesday, May 22, according to the Investment Company Institute.

Taxable government funds increased by $9.25 billion, taxable non-government funds increased by $10.18 billion, and tax-exempt funds increased by $100 million.

Retail money market funds gained $1.33 billion to $893.78 billion. Taxable government money market fund assets in the retail category increased by $430 million to $193.45 billion, taxable non-government money market fund assets increased by $830 million to $513.02 billion, and tax-exempt fund assets increased by $70 million to $187.31 billion.

Institutional money market funds also took in $18.20 billion to $1.708 trillion. Among institutional funds, taxable government money market fund assets increased by $8.82 billion to $711.02 billion, taxable non-government money market fund assets increased by $9.35 billion to $924.35 billion, and tax-exempt fund assets increased by $30 million to $72.13 billion.