JP Morgan:

https://www.bloomberg.com/news/articles/2022-11-15/jpmorgan-forms-new-joint-venture-for-1-billion-in-rental-houses

I swear I saw an article about Wells Fargo doing this, but I can’t find it anywhere so maybe I was mistaken.

Lloyds (largest lending institution in the UK:

https://www.theguardian.com/business/2021/aug/19/lloyds-plans-big-move-into-uk-rental-market-with-50000-homes

Mainly corporations are doing this (as someone noted, Blackrock)

https://www.businessinsider.com/corporations-buying-up-americas-single-family-rental-homes-charm-offensive-2022-5

https://amp.cnn.com/cnn/2021/08/02/business/family-homes-wall-street/index.html

There are better sources, but I’m a little time crunched. I’ll come back and edit if I have time, but a Google search turns up lots of articles about that problem from different perspectives/areas.