But Highmark, the parent organization, is still a non profit. Based on their revenue and expenses on their 990 going back a decade, the entire organization is not delivering profit to any owners, it’s just spending money earned in its for profit subsidiaries elsewhere in its org.

Specifics aside, I think it is conclusively shown that no health insurance / managed care organization earns a ton of profit margin. No one is going to become billionaire rich by starting up a managed care organization, because they will spend almost all they earn.

It’s such a low profit margin business, that Buffett, Dimon, and Bezos abandoned it:

https://www.healthcarefinancenews.com/news/haven-disbands-en...