The expensive end of property is much larger than a single mansion. Listed property businesses can connect investors to entire portfolios of buildings, specialist facilities and development projects. Their scale is measured in corporate ownership as well as square metres.
This list ranks a hundred companies from the source’s real estate category by market capitalisation. That lets us compare listed equity consistently, without pretending that a share-market value is the same thing as the sale price of the properties underneath it.
A portfolio is more than an address
The uses of buildings shape the businesses that own them. Housing, warehouses, offices and specialist facilities can have different tenants, lease lengths and operating requirements. A property portfolio therefore has a commercial character that a headline asset value alone cannot explain.
Property values and equity values differ
A company can borrow against its buildings. The market value of its shares reflects an equity claim after considering the business’s obligations and prospects. It is not a direct appraisal of every property. Two portfolios with similar buildings can have very different equity values if their financing and ownership structures differ.
Development and rent tell different stories
Some businesses create value by building and selling, while others mainly hold property and collect income over time. Real estate investment trusts introduce another legal and financial structure. This table keeps the source’s broad category, so readers should use the company links before treating every entry as the same kind of landlord.
What this snapshot shows
Welltower leads this captured list at approximately US$169.78bn. The entry at number 100, Daito Trust Construction, is approximately US$6.99bn. The first ten account for 39.4% of the sum of the hundred reported values. That share is calculated within this list; it is not a share of the entire economy.
The first ten
Welltower
Listing symbol: WELL ·

Welltower specialises in healthcare-related real estate, with senior housing an important part of its business. The buildings are places where care and everyday living take place, so their performance depends on operators and local demand as well as the physical property.
Its inclusion broadens the idea of a property company beyond offices and shopping centres. The equity valuation concerns the listed real estate investment trust, whose financing, partnerships and operating arrangements matter alongside the buildings themselves.
Prologis
Listing symbol: PLD ·

Prologis owns and develops logistics real estate. Warehouses and distribution centres may be less conspicuous than a city-centre tower, but their location can determine how quickly goods move between ports, businesses and customers.
The growth of modern supply chains gives this property type a practical importance that extends beyond floor space. Prologis’ market value concerns the whole listed company and its interests, rather than the value of the inventory that its tenants keep inside the buildings.
Equinix
Listing symbol: EQIX ·

Equinix operates data centres where companies place computing equipment and connect to networks and other service providers. A secure building, reliable power and cooling are part of the offer, but the ability to make useful connections in the same location is also important.
Its real-estate classification can initially surprise a reader who associates the company with technology. The facilities are physical infrastructure for the digital economy, illustrating how property and computing businesses can meet inside the same corporate structure.
American Tower
Listing symbol: AMT ·

American Tower owns and operates communications infrastructure used by wireless-service providers and other customers. A tower can carry equipment for more than one tenant, turning a single physical location into a shared part of several networks.
The antennas belong to a system whose usefulness depends heavily on location and coverage. This is why a property ranking includes infrastructure that does not resemble a conventional building: the company provides places from which communications services can operate.
Simon Property Group
Listing symbol: SPG ·

Simon Property Group is associated with shopping, dining and entertainment destinations, including malls and outlet centres. Its properties bring retailers and customers together in locations whose appeal depends on more than the number of square metres available to lease.
Tenant mix, access and the reasons people visit all form part of the business story. The company’s stock-market value concerns the property group, while the sales made by the individual shops inside its centres belong to their own businesses.
Digital Realty
Listing symbol: DLR ·

Digital Realty provides data-centre infrastructure for organisations that need dependable places to run computing equipment. Power supply, cooling, connectivity and the ability to expand can matter as much as the building’s outward appearance.
The company illustrates a property business whose tenants are responding to digital demand. Its equity value is separate from the cost of the servers placed in its facilities and from the value of the information those servers process.
Realty Income
Listing symbol: O ·

Realty Income owns properties leased to commercial tenants, with long-term net leases central to its model. Under these arrangements, tenants commonly take responsibility for specified property expenses as well as paying rent, although the terms of individual agreements matter.
The business is therefore about a portfolio of leases and tenant relationships as much as a collection of buildings. Its market value prices the listed company’s equity, rather than providing an independent appraisal of each shop, warehouse or other property in the portfolio.
Public Storage
Listing symbol: PSA ·

Public Storage operates in self-storage, renting individual spaces to households and businesses. Customers may need room during a move, for equipment or for belongings that no longer fit at home. The orange-and-white facilities make a very practical property service recognisable.
The units are small compared with the office towers and industrial sites elsewhere in this sector, but a large network creates a substantial business. Its value depends on the use of those spaces and the organisation operating them, not the contents customers store inside.
Ventas
Listing symbol: VTR ·

Ventas invests in healthcare-related properties, including senior housing and other facilities connected to care and research. The business links real estate with the needs of an ageing population and the organisations delivering health services.
Those links also make operator performance and local demand relevant to the property story. The listed company’s market value is not a valuation of the medical care provided inside its buildings; it reflects the equity interests and commercial arrangements held by the property group.
CBRE Group
Listing symbol: CBRE ·

CBRE is a commercial real estate services and investment business. Its work includes advising on transactions, managing properties and facilities, and helping organisations decide how to use space. Many of the buildings it works with belong to clients rather than to CBRE itself.
That distinction makes it different from several property owners in this ranking. The market capitalisation concerns a company supplying expertise and services as well as investment activities, not the combined value of all the real estate its staff manage or advise on.
The ranking continues: 11–100
CompaniesMarketCap · ranking and methodology
- Market capitalisation: US$39,979,574,521.00
- Market capitalisation: US$39,685,237,821.00
- Market capitalisation: US$37,321,048,064.00
- Market capitalisation: US$33,045,940,224.00
- Market capitalisation: US$30,377,498,624.00
- Market capitalisation: US$28,141,737,617.00
- Market capitalisation: US$27,339,753,472.00
- Market capitalisation: US$26,514,272,974.00
- Market capitalisation: US$26,232,862,227.00
- Market capitalisation: US$26,119,169,890.00
- Market capitalisation: US$22,818,955,567.00
- Market capitalisation: US$21,366,832,915.00
- Market capitalisation: US$19,676,162,048.00
- Market capitalisation: US$19,297,848,371.00
- Market capitalisation: US$18,812,475,392.00
- Market capitalisation: US$18,663,161,856.00
- Market capitalisation: US$18,071,525,376.00
- Market capitalisation: US$17,912,989,707.00
- Market capitalisation: US$17,822,168,720.00
- Market capitalisation: US$17,416,913,328.00
- Market capitalisation: US$17,084,069,874.00
- Market capitalisation: US$16,718,978,966.00
- Market capitalisation: US$16,698,119,911.00
- Market capitalisation: US$16,506,345,472.00
- Market capitalisation: US$16,265,763,840.00
- Market capitalisation: US$16,099,887,325.00
- Market capitalisation: US$15,964,118,179.00
- Market capitalisation: US$15,963,292,672.00
- Market capitalisation: US$15,746,703,360.00
- Market capitalisation: US$15,577,312,102.00
- Market capitalisation: US$15,555,605,504.00
- Market capitalisation: US$15,450,716,160.00
- Market capitalisation: US$15,003,780,096.00
- Market capitalisation: US$14,845,492,224.00
- Market capitalisation: US$14,464,857,088.00
- Market capitalisation: US$14,391,628,800.00
- Market capitalisation: US$14,180,621,075.00
- Market capitalisation: US$14,071,775,204.00
- Market capitalisation: US$13,950,861,312.00
- Market capitalisation: US$12,905,288,704.00
- Market capitalisation: US$12,901,830,656.00
- Market capitalisation: US$12,529,948,048.00
- Market capitalisation: US$12,394,450,230.00
- Market capitalisation: US$12,376,923,429.00
- Market capitalisation: US$12,342,318,080.00
- Market capitalisation: US$12,191,795,009.00
- Market capitalisation: US$12,051,929,088.00
- Market capitalisation: US$12,046,696,448.00
- Market capitalisation: US$12,032,636,928.00
- Market capitalisation: US$11,969,794,928.00
- Market capitalisation: US$11,921,612,800.00
- Market capitalisation: US$11,702,768,640.00
- Market capitalisation: US$11,681,311,035.00
- Market capitalisation: US$11,680,374,784.00
- Market capitalisation: US$10,725,319,680.00
- Market capitalisation: US$10,653,569,024.00
- Market capitalisation: US$10,247,668,663.00
- Market capitalisation: US$9,997,160,448.00
- Market capitalisation: US$9,594,190,848.00
- Market capitalisation: US$9,465,731,072.00
- Market capitalisation: US$9,425,314,983.00
- Market capitalisation: US$9,226,010,152.00
- Market capitalisation: US$9,125,643,264.00
- Market capitalisation: US$8,958,435,784.00
- Market capitalisation: US$8,950,154,240.00
- Market capitalisation: US$8,884,299,776.00
- Market capitalisation: US$8,816,441,344.00
- Market capitalisation: US$8,800,952,320.00
- Market capitalisation: US$8,745,515,344.00
- Market capitalisation: US$8,599,549,086.00
- Market capitalisation: US$8,415,393,280.00
- Market capitalisation: US$8,410,224,640.00
- Market capitalisation: US$8,346,187,264.00
- Market capitalisation: US$8,244,586,942.00
- Market capitalisation: US$8,067,944,960.00
- Market capitalisation: US$7,893,200,846.00
- Market capitalisation: US$7,873,127,177.00
- Market capitalisation: US$7,613,118,976.00
- Market capitalisation: US$7,541,312,342.00
- Market capitalisation: US$7,497,502,154.00
- Market capitalisation: US$7,359,306,459.00
- Market capitalisation: US$7,309,436,928.00
- Market capitalisation: US$7,308,435,968.00
- Market capitalisation: US$7,240,164,093.00
- Market capitalisation: US$7,138,035,235.00
- Market capitalisation: US$7,136,928,835.00
- Market capitalisation: US$7,112,492,032.00
- Market capitalisation: US$7,018,850,304.00
- Market capitalisation: US$6,992,025,474.00
- Market capitalisation: US$6,990,181,125.00
There is always a story.
These companies show what property ownership looks like at a very large scale. The listed value is a useful common measure, but the buildings, tenants, development activity and financing explain what that ownership actually represents.