Company overview
Alexandria Real Estate Equities, Inc. (NYSE: ARE), an S&P 500 company, is a best-in-class, mission-driven life science REIT making a positive and lasting impact on the world. With our founding in 1994, Alexandria pioneered the life science real estate niche. Alexandria is the preeminent and longest-tenured owner, operator, and developer of collaborative Megacampus ecosystems in AAA life science innovation cluster locations, including Greater Boston, the San Francisco Bay Area, San Diego, Seattle, Maryland, Research Triangle, and New York City. As of September 30, 2025, Alexandria has a total market capitalization of $27.8 billion and an asset base in North America that includes 39.1 million RSF of operating properties and 4.2 million RSF of Class A/A+ properties undergoing construction and one 100% pre-leased committed near-term project expected to commence construction in the next year. Alexandria has a long-standing and proven track record of developing Class A/A+ properties clustered in highly dynamic and collaborative Megacampus environments that enhance our tenants' ability to successfully recruit and retain world-class talent and inspire productivity, efficiency, creativity, and success. Alexandria also provides strategic capital to transformative life science companies through our venture capital platform. We believe our unique business model and diligent underwriting ensure a high-quality and diverse tenant base that results in higher occupancy levels, longer lease terms, higher rental income, higher returns, and greater long-term asset value.
Daily valuation snapshot
These values come from the daily market snapshot dated 2026-10-08. TTM means trailing twelve months. Use the market date when comparing ARE with another company.
| Daily close (USD) | $45.6 |
| Market capitalization (USD) | $7,945,689,192 |
| Price / earnings (TTM) | Not reported |
| Price / book | 0.41 |
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Company size
Alexandria Real Estate Equities, Inc.'s recorded market capitalization is $7,945,689,192. It measures the market value of the company's equity, rather than its revenue or cash balance.
Price relative to earnings
P/E compares share price with trailing annual earnings per share. For a company with losses, inspect the earnings figures directly rather than treating a negative multiple as a cheap valuation.
Price relative to book equity
ARE's recorded price-to-book ratio is 0.41. That compares its market equity value with recorded book equity. Examine its business and balance sheet to understand why those values differ.
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