TBD.
The bank doesn't have a full reserve of assets. So there's a gap somewhere. The 'hold to maturity' value isn't real. They won't get that much, and so there's not enough value on the books to pay all depositors.
Nobody is just going to walk in and say sure, you get 100% of your money.
Uninsured Depositors are gonna get a haircut. How does USDC parent company cover that hole? Do they get a loan from someone? Maybe, maybe there's a run first thing Monday and they have no time for that.