It looks like at least for SIVB all customer deposits up to 0,25m will get saved but the bank itself not: https://www.fdic.gov/news/press-releases/2023/pr23013.html
93% of its deposits are not insured though. Definitely some people getting rekt. Mostly VCs and tech bros, but it will bite- because all those idiots are probably running their personal expenses on debt.
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