Exec compensation is another thing, but also not a concern I am super sympathetic to given that for profit companies of similar magnitude generally pay their execs way more they just are not required to report it.
Wrong. Non-profits are not called that because they don't make profits, they are called that because they don’t return (even as a future claim) profits to private stakeholders.
They have amassed an endowment fund assets such as stock, which is currently >15 Billion and growing[1]. The exact assets are confidential, but this is a snapshot from 2017, when there it was closer to 10 billion under management [2]
https://my.clevelandclinic.org/-/scassets/files/org/about/fi...
https://my.clevelandclinic.org/-/scassets/files/org/about/fi...
https://my.clevelandclinic.org/-/scassets/files/org/giving/a...