No idea in general, but it looks like the largest(?) one, Brookdale Senior Living, is majority owned by Fortress Investment Group, which was founded by 2 billio

No idea in general, but it looks like the largest(?) one, Brookdale Senior Living, is majority owned by Fortress Investment Group, which was founded by 2 billionaires, Randal Nardone and Wesley Edens, so there's certainly at least some billionaires in that industry. https://en.wikipedia.org/wiki/Brookdale_Senior_Living https://en.wikipedia.org/wiki/Brookdale_Senior_Living https://en.wikipedia.org/wiki/Fortress_Investment_Group https://en.wikipedia.org/wiki/Fortress_Investment_Group https://www.forbes.com/profile/randal-nardone/ https://www.forbes.com/profile/randal-nardone/ https://www.forbes.com/profile/wesley-edens/ https://www.forbes.com/profile/wesley-edens/