They then can use that relationship to get low rates for their fund assets as well.
Assets of such funds declined by $50 million, to $85.5 billion.
But no other bank company has more than $20 billion in mutual fund assets under management.
For the month, total assets of money market funds grew by less than $10 billion, to $2.24 trillion.
Assets of taxable money market funds were down by $571 million, to $262.6 billion.
Assets of taxable money market funds were off by $548 million, to a total $262.3 billion.
Assets of taxable money market funds were up $316 million, to a total $257.8 billion.
Institutional fund assets, for example, showed a flow of $2.8 billion coming in.
Assets of taxable funds increased by $950 million, to $288.9 billion.
Assets of taxable funds increased by $3 million, to $402.1 billion.