What is market cap in real estate?

Generally speaking, market cap, or market capitalization, refers to how much of the specific market a publicly traded company has control over. In real estate, this refers to how much a company in control of properties has control of the broader property and real estate market.

In today's real estate market, what cap rate are investors looking for?

There is no one single perfect answer to this question. It will depend on how much risk investors are willing to take, as the larger the market cap, the greater the chances of both making and losing money. However, most experts agree that anywhere between 8% and 18% is likely a good place to start in your research.

The Largest Real Estate Companies by Market Cap in March 2026

Welltower, Prologis, and Equinix dominate the real estate sector.

By Lyle Daly – Updated Jan 7, 2026 at 2:39 PM EST | Fact-checked by Frank Bass

Key Points

Welltower leads in market cap at $144 billion, focusing on healthcare real estate.
Prologis owns logistics properties and is expanding into AI-driven data centers.
Equinix operates AI-ready data centers globally, pushing for 100% renewable energy by 2030.

Welltower (WELL -5.02%) is the largest real estate company by market cap, followed by Prologis (PLD -2.46%) and Equinix (EQIX -1.60%). Eight of the top 10 real estate companies are real estate investment trusts (REITs). These companies own and operate many different types of real estate, including industrial facilities, data centers, and shopping malls.

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Modern office buildings situated on both sides of a lovely waterway winding itself through Hong Kong. — Image source: Getty Images.

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Ticker Information Table
Name and ticker	Market cap	Current price	Industry
Welltower (NYSE:WELL)	$136.7 billion	$195.94	Health Care REITs
Prologis (NYSE:PLD)	$119.0 billion	$130.91	Industrial REITs
Equinix (NASDAQ:EQIX)	$94.2 billion	$958.27	Specialized REITs
American Tower (NYSE:AMT)	$82.4 billion	$176.79	Specialized REITs
Simon Property Group (NYSE:SPG)	$60.0 billion	$184.59	Retail REITs
Digital Realty Trust (NYSE:DLR)	$59.5 billion	$173.18	Specialized REITs
Realty Income (NYSE:O)	$56.8 billion	$60.95	Retail REITs
Public Storage (NYSE:PSA)	$46.6 billion	$265.78	Specialized REITs
Sun Hung Kai Properties (OTC:SUHJF)	$49.5 billion	$16.95	Real Estate Management and Development
Rocket Companies (NYSE:RKT)	$38.5 billion	$13.65	Diversified Financial Services

Data as of Mar 23, 2026. Showing 10 of 10 tickers.

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NYSE: WELL

Welltower

Today's Change

(-4.92%) $-10.15

Current Price

$195.94

Key Data Points

Market Cap

$137B

Day's Range

$194.30 - $205.12

52wk Range

$130.29 - $216.43

Volume

7.3K

Avg Vol

3.1M

Gross Margin

20.92%

Dividend Yield

1.47%

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Welltower is the first healthcare REIT; in fact, it was originally known as Health Care REIT, Inc. The trust invests in healthcare infrastructure and senior housing, including assisted living facilities and dementia care facilities.

The REIT operates in the U.S., Canada, and the U.K. and operates more than 2,500 senior and wellness housing communities. In October 2025, Welltower announced $23 billion in transactions, including $14 billion of acquisitions and a greater focus on senior housing.

2. Prologis

Market cap: $129.60 billion (as of March 4)
Revenue (TTM): $8.8 billion
Gross profit (TTM): $6.6 billion
Five-year annualized return: 7.35%
Year founded: 1983

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NYSE: PLD

Prologis

Today's Change

(2.27%) $2.90

Current Price

$130.91

Key Data Points

Market Cap

$119B

Day's Range

$130.45 - $131.47

52wk Range

$85.35 - $143.95

Volume

568

Avg Vol

3.4M

Gross Margin

44.70%

Dividend Yield

3.20%

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Prologis builds, owns, and operates logistics real estate, including manufacturing facilities, storage and distribution properties, and flex spaces that serve multiple purposes. This company is now focusing on data centers to meet the demand driven by artificial intelligence (AI).

As of 2025, Prologis had about 6,000 buildings across 20 countries and more than $200 billion in assets under management (AUM). It's also expanding into France, with multiple data center projects planned for the country. Prologis works with many of the world's top retailers. Customers that use its warehouses include Amazon (AMZN -1.66%) and Walmart (WMT +1.58%).

3. Equinix

Market cap: $95.21 billion (as of March 4)
Revenue (TTM): $9.2 billion
Gross profit (TTM): $4.7 billion
Five-year annualized return: 7.97%
Year founded: 1998

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NASDAQ: EQIX

Equinix

Today's Change

(-1.69%) $-16.50

Current Price

$958.26

Key Data Points

Market Cap

$94B

Day's Range

$953.79 - $979.65

52wk Range

$701.41 - $992.90

Volume

Avg Vol

628K

Gross Margin

31.50%

Dividend Yield

2.00%

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Digital infrastructure company Equinix converted to a REIT in 2015. It has a network of over 270 AI-ready data centers across more than 70 major metropolitan areas, with more than 10,000 customers. Companies that use Equinix include Amazon, Apple (AAPL -0.38%), and Meta Platforms (META -2.11%).

In recent years, Equinix has focused on AI and partnered with tech giant Nvidia (NVDA -3.17%) to offer a fully managed private cloud service to clients. It has also prioritized sustainability and set a goal to procure 100% renewable energy for its facilities by 2030.

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NYSE: AMT

American Tower

Today's Change

(-3.27%) $-5.97

Current Price

$176.79

Key Data Points

Market Cap

$82B

Day's Range

$175.60 - $185.72

52wk Range

$166.88 - $234.33

Volume

6.3K

Avg Vol

3.1M

Gross Margin

55.00%

Dividend Yield

3.85%

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American Tower Corporation (AMT -3.27%) is a REIT that owns and operates wireless networks in 22 countries. Its communications real estate portfolio has about 150,000 sites, with more than 40,000 of those in the U.S. and Canada.

In addition to communications towers, American Tower's portfolio also includes data centers that businesses can use for cloud computing, AI technology, and other IT needs.

5. Simon Property Group

Market cap: $76.61 billion (as of March 4)
Revenue (TTM): $6.4 billion
Gross profit (TTM): $5.2 billion
Five-year annualized return: 12.12%
Year founded: 1993

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NYSE: SPG

Simon Property Group

Today's Change

(-3.51%) $-6.72

Current Price

$184.59

Key Data Points

Market Cap

$60B

Day's Range

$183.19 - $191.51

52wk Range

$136.34 - $205.12

Volume

Avg Vol

1.6M

Gross Margin

59.48%

Dividend Yield

4.69%

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Simon Property Group (SPG -3.51%) is a REIT that owns, develops, and operates retail properties. It has a portfolio of more than 250 properties, which include shopping malls, retail outlets, and open-air shopping centers.

Brothers Melvin and Herbert Simon founded Simon Property Group in the 1960s, taking it public in 1993 after decades of developing and operating strip malls. Melvin's son, David Simon, has been the company's CEO since 1995.

6. Digital Realty

Market cap: $63.88 billion (as of March 4)
Revenue (TTM): $6.1 billion
Gross profit (TTM): $3.4 billion
Five-year annualized return: 7.23%
Year founded: 2004

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NYSE: DLR

Digital Realty Trust

Today's Change

(-3.71%) $-6.67

Current Price

$173.18

Key Data Points

Market Cap

$60B

Day's Range

$173.13 - $180.21

52wk Range

$129.95 - $184.79

Volume

62K

Avg Vol

Gross Margin

25.35%

Dividend Yield

2.82%

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NYSE: O

Realty Income

Today's Change

(-2.70%) $-1.69

Current Price

$60.95

Key Data Points

Market Cap

$57B

Day's Range

$60.63 - $62.60

52wk Range

$50.71 - $67.94

Volume

2.4K

Avg Vol

6.6M

Gross Margin

48.73%

Dividend Yield

5.30%

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Realty Income (O -2.70%) is a REIT that invests in single-tenant commercial properties. Its portfolio had more than 15,000 properties located in the U.S., U.K., and several countries in the European Union as of 2025.

Instead of paying quarterly dividends like most REITs, Realty Income pays monthly dividends. It's even known as "The Monthly Dividend Company" for that reason, and it's one of the more popular real estate dividend stocks.

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8. Public Storage

Market cap: $54.54 billion (as of March 4)
Revenue (TTM): $4.8 billion
Gross profit (TTM): $3.5 billion
Five-year annualized return: 5.81%
Year founded: 1972

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NYSE: PSA

Public Storage

Today's Change

(-4.17%) $-11.55

Current Price

$265.78

Key Data Points

Market Cap

$47B

Day's Range

$264.55 - $278.80

52wk Range

$256.54 - $312.95

Volume

1.1K

Avg Vol

1.2M

Gross Margin

48.77%

Dividend Yield

4.52%

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Public Storage (PSA -4.17%) is the largest owner and operator of self-storage facilities worldwide. This self-storage REIT has more than 3,300 facilities serving approximately 2 million customers in the U.S.

While most of Public Storage's business is in the U.S., it acquired Shurgard Self-Storage in 2006 to build its global reach. It now operates thousands of facilities across seven European Union nations.

9. Sun Hung Kai Properties

Market cap: $51.71 billion* (as of March 4)
Revenue (TTM): $10.2 billion*
Gross profit (TTM): $4.4 billion*
Five-year annualized return: 3.47%
Year founded: 1963

Converted from Hong Kong dollars.

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OTC: SUHJF

Sun Hung Kai Properties

Today's Change

(-6.10%) $-1.10

Current Price

$16.95

Key Data Points

Market Cap

$49B

Day's Range

$16.95 - $16.95

52wk Range

$8.38 - $18.51

Volume

48K

Avg Vol

459

Gross Margin

36.54%

Dividend Yield

2.84%

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Sun Hung Kai Properties (OTC:SUHJ.F) is one of Hong Kong's largest property developers. It develops residential projects and owns shopping malls, offices, and hotels. In addition to its real estate portfolio, Sun Hung Kai also owns telecommunications and information technology businesses.

10. Rocket Companies

Market cap: $46.83 billion (as of March 4)
Revenue (TTM): $5.5 billion
Five-year annualized return: -10.12%
Year founded: 1985

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NYSE: RKT

Rocket Companies

Today's Change

(-6.83%) $-1.00

Current Price

$13.65

Key Data Points

Market Cap

$38B

Day's Range

$13.44 - $14.46

52wk Range

$10.94 - $24.36

Volume

602K

Avg Vol

30M

Gross Margin

95.79%

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Largest real eEstate companies FAQ

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About the Author

Lyle Daly is a contributing Motley Fool stock market analyst covering information technology and cryptocurrency. Lyle has been a contributor at the financial services company since 2018. His work has been featured on USA Today, Yahoo Finance, MSN, Fox Business, and Nasdaq. Before joining The Motley Fool, he wrote for financial brands including Intuit.

TMFLyleDaly

@LyleDaly

Annie Dean, Chief Strategy Officer at CBRE, is a member of The Motley Fool’s board of directors. Lyle Daly has positions in Meta Platforms and Nvidia. The Motley Fool has positions in and recommends Amazon, American Tower, Apple, Digital Realty Trust, Equinix, Meta Platforms, Nvidia, Prologis, Realty Income, Rocket Companies, Simon Property Group, and Walmart. The Motley Fool has a disclosure policy.

The Largest Real Estate Companies by Market Cap in March 2026

Welltower, Prologis, and Equinix dominate the real estate sector.

Key Points

Key Data Points

2. Prologis

Key Data Points

3. Equinix

Key Data Points

Key Data Points

5. Simon Property Group

Key Data Points

6. Digital Realty

Key Data Points

Key Data Points

8. Public Storage

Key Data Points

9. Sun Hung Kai Properties

Key Data Points

10. Rocket Companies

Key Data Points

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About the Author

Stocks Mentioned

Premium Investing Services

Largest real eEstate companies FAQ

What is market cap in real estate?

In today's real estate market, what cap rate are investors looking for?

Largest companies by market cap in the real estate sector

1. Welltower

2. Prologis

4. American Tower Corporation

8. Public Storage

Related investing topics

FAQ

Key Data Points

Key Data Points

Key Data Points

Key Data Points

Key Data Points

Key Data Points

Key Data Points

Key Data Points

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3. Equinix

5. Simon Property Group

6. Digital Realty

7. Realty Income

9. Sun Hung Kai Properties

Real estate sector takeaways for investors

10. Rocket Companies