“This share rises to 3.8 percent of single-family homes for institutional investors owning over 100 homes, and up to 10 percent in certain metro areas such as Atlanta.”
Then if you also consider foreign ownership of home, it would rise even more. Lots of wealthy folks have dollars due to it being primary international currency and they buy up our assets
Unfortunately this is a big side effect of internet we haven’t solved yet. It’s made buying a home anywhere easier, which inflates prices (demand is much higher now for same number of houses), squeezing out middle class locals