Even VCs don't get all of their fund money delivered into their bank account when they raise a funding round. It's inefficient and undesirable for everyone involved to have to move all of the money up-front, at once.
If you talk to anyone in startup funding or finance they'll be familiar with the term "capital call" which describes how committed capital obligations are delivered at a later date than the initial deal: https://en.wikipedia.org/wiki/Capital_call