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Compare · AAT vs SPG

AAT vs SPG

Side-by-side comparison of American Assets Trust Inc. (AAT) and Simon Property Group Inc. (SPG): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both AAT and SPG operate in Real Estate Investment Trusts (Real Estate), so they compete in similar markets.
  • SPG is the larger of the two at $66.01B, about 46.1x AAT ($1.43B).
  • Over the past year, AAT is up 15.2% and SPG is up 26.0% - SPG leads by 10.8 points.
  • SPG has been more active in the news (19 items in the past 4 weeks vs 13 for AAT).
  • SPG has more recent analyst coverage (25 ratings vs 4 for AAT).
PerformanceAAT+15.22%SPG+25.99%
2025-06-04+0.00%2026-06-03
MetricAATSPG
Company
American Assets Trust Inc.
Simon Property Group Inc.
Price
$23.32-0.15%
$203.72+0.09%
Market cap
$1.43B
$66.01B
1M return
+13.29%
+1.07%
1Y return
+15.22%
+25.99%
Industry
Real Estate Investment Trusts
Real Estate Investment Trusts
Exchange
NYSE
NYSE
IPO
2011
News (4w)
13
19
Recent ratings
4
25
AAT

American Assets Trust Inc.

American Assets Trust, Inc. is a full service, vertically integrated and self-administered real estate investment trust, or REIT, headquartered in San Diego, California. The company has over 50 years of experience in acquiring, improving, developing and managing premier office, retail, and residential properties throughout the United States in some of the nation's most dynamic, high-barrier-to-entry markets primarily in Southern California, Northern California, Oregon, Washington, Texas and Hawaii. The company's office portfolio comprises approximately 3.4 million rentable square feet, and its retail portfolio comprises approximately 3.1 million square feet. In addition, the company owns one mixed-use property (including approximately 97,000 rentable square feet of retail space and a 369-room all-suite hotel) and 2,112 multifamily units. In 2011, the company was formed to succeed to the real estate business of American Assets, Inc., a privately held corporation founded in 1967 and, as such, has significant experience, long-standing relationships and extensive knowledge of its core markets, submarkets and asset classes.

SPG

Simon Property Group Inc.

Simon is a real estate investment trust engaged in the ownership of premier shopping, dining, entertainment and mixed-use destinations and an S&P 100 company (Simon Property Group, NYSE: SPG). Our properties across North America, Europe and Asia provide community gathering places for millions of people every day and generate billions in annual sales.

Latest AAT

Latest SPG