f9ad2451

They're leveraged. $140B in assets is not the same thing as $140B in AUM. The article you posted claims AUM of closer to $27B in 2023; unless you think they made $113B in profit without anyone noticing in 2023, your number is certainly too high. Although, to that point, you're posting a number from 2024 - they've certainly grown since then.

Your Jane Street numbers are not even close. They're required to report this stuff in the UK, which shows revenues of $229MM (see https://find-and-update.company-information.service.gov.uk/c...). And that's just the UK revenue - most of the business is in the US. I would estimate closer to $1MM/head.