You don't need to spread it out so each account is < $250k, you need to spread it out enough so you can still make payroll if one fails while you wait for its a

You don't need to spread it out so each account is < $250k, you need to spread it out enough so you can still make payroll if one fails while you wait for its assets to be sorted out. In most cases for a startup this means two, maybe three if you suspect your two might be correlated; at some point you start buying your own bonds/bills too.