AvalonBay Communities, Inc. (AVB)

AvalonBay Communities, Inc. was a real estate investment trust focused on developing, redeveloping, acquiring and managing apartment communities in select markets in the United States. The company was formed in 1998 through the merger of Avalon Properties and Bay Apartment Communities, two apartment REITs that had gone public in the early 1990s. It was headquartered in Arlington, Virginia.

Its portfolio was concentrated in metropolitan areas of New England, the New York and New Jersey region, the Mid-Atlantic, the Pacific Northwest and Northern and Southern California, with expansion markets that included Southeast Florida and Denver. A past company profile described ownership of roughly 291 apartment communities with about 86,000 apartment homes, plus communities under development and redevelopment. The company grew largely through its own development pipeline, which set it apart from some competitors.

AvalonBay's common stock traded on the New York Stock Exchange under the symbol AVB for decades and was a long-standing component of the S&P 500 index. As an equity REIT, it distributed a large share of its taxable income to shareholders in the form of dividends. It reported to investors on same-store results, development starts and completions, and its balance sheet and capital allocation.

In 2026, AvalonBay and Equity Residential, another large apartment REIT, agreed to combine in what both sides described as a merger of equals. Equity Residential filed a registration statement on Form S-4, and AvalonBay filed a definitive merger proxy statement for shareholder approval. The combination was reported to create an apartment owner with an equity market value of about 51 billion dollars and an enterprise value of about 70 billion dollars.

Under the terms reported, each outstanding AvalonBay share was converted into the right to receive 2.793 shares of Equity Residential common stock, an all-stock exchange with no cash component. Reports describe the combined portfolio as more than 184,000 apartments, with more than 11,100 additional apartments under construction. The merger was reported as completed on or about August 17, 2026.

The combined company was renamed Vivmark Residential and was to begin trading on the New York Stock Exchange under the symbol VMRK on August 18, 2026. AvalonBay stock was suspended and removed from listing, and a Form 25 was filed on August 17, 2026. AvalonBay's removal from the S&P 500 index followed the completion of the merger, as the combined company continued as a single index member.

The transaction followed years in which apartment REITs weighed scale, cost of capital and portfolio diversification against shifting rental demand and construction supply in their core coastal markets. For AvalonBay shareholders, the all-stock structure meant continued exposure to apartment real estate through the combined company rather than a cash exit. For the exchange, the effect was the retirement of the AVB ticker and the continuation of listing under the new VMRK symbol.