Okay I was way off. They have like 125b on their balance sheet and a 100b line of credit at the treasurt. And I have no idea what the balance sheet consists of. The banking sector represents like 22t of deposits, so that's also a fun fact.

https://dailyhodl.com/2023/03/11/22-trillion-in-us-banking-system-backed-by-just-225-billion-at-fdic-bitcoin-proponent-gabor-gurbacs/