Equity Residential

Equity Residential is an American multifamily real estate investment trust that owns, develops, and manages rental apartment properties in major U.S. metropolitan markets, with a portfolio of 312 properties totaling 85,190 apartment units as of December 31, 2025. The company is structured as an UPREIT, with ERP Operating Limited Partnership as the operating entity, and is a member of the S&P 500.

The story of Equity Residential in mid-2026 is fundamentally a story about the intersection of three forces: a supply-constrained coastal apartment market that is entering its most favorable new-delivery environment in years, a heavily discounted public equity security that management has been aggressively buying back, and a transformational merger with AvalonBay Communities announced in May 2026 that will create the largest publicly traded multifamily platform in the United States. Each of these forces cuts in a direction that could matter enormously for investors, but the merger in particular introduces a degree of complexity — and a binary outcome — that changes how every conventional REIT valuation framework must be applied.

This file turns on a question that the merger forces to the surface: whether Equity Residential, trading at roughly 16.8 times normalized FFO and a high-4% implied cap rate, represents an idiosyncratically cheap collection of irreplaceable coastal real estate assets, or whether the discount the market has applied reflects genuine uncertainty about where apartment rents, interest rates, and the merger's value proposition will settle.