Institutional buyers are real, and the data points to a concentrated local story rather than a nationwide Wall Street takeover. The heavy concentration sits in a handful of markets. Atlanta is the poster child, with parts of Arizona and Texas in the mix, places where cheap prices relative to rents made large-scale buying and build-to-rent attractive. Across most of the country, investors are one of several factors contributing to tight inventory. On holding down supply: owners with a low fixed rate, rising rents, and an appreciating asset have little reason to sell, so many simply hold. That is a rational, individual response to their own financing. The related claim that big investors are sitting on masses of deliberately empty homes runs into the vacancy numbers, which have stayed very low. On whether regulation or incentives could force a sale: narrowly targeted rules in the few affected markets can make sense. Broad bans tend to be poorly aimed and carry real risk, because distressed markets have needed cash buyers before (2009 to 2011) to absorb inventory, and a permanent ban is hard to reverse when that role is needed again. Incentive ideas like a capital-gains break to coax rentals onto the market are mostly a one-time bump: once those homes sell, the boost is gone, and any such policy has to clear revenue-neutral scoring to pass. Worth watching, and nothing anyone should count on as a fix.