cash pile
noun [ C, usually singular ]
(also cashpile) ukus(also cash mountain) FINANCE informal
a large amount of money that a company has, which it can use to buy other companies, assets, etc.:
The group has a cash pile of more than $88m.
a $12m/£398m, etc. cashpile
The bank, which is sitting on a cash pile of £2 billion, has a record of completing successful mergers.