UDR Apartments (UDR) - Market capitalization

Market cap: £10.00 Billion

As of December 2025 UDR Apartments has a market cap of £10.00 Billion. This makes UDR Apartments the world's 1557th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of UDR Apartments from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£10.00 B	-23.02%
2024	£12.99 B	21.7%
2023	£10.67 B	-38.89%
2022	£17.47 B	27.16%
2021	£13.74 B	65.5%
2020	£8.30 B	-20.86%
2019	£10.49 B	21.98%
2018	£8.60 B	12.7%
2017	£7.63 B	-3.41%
2016	£7.90 B	19.02%
2015	£6.63 B	31.45%
2014	£5.05 B	42.28%
2013	£3.54 B	-3.55%
2012	£3.68 B	4.04%
2011	£3.53 B	27.22%
2010	£2.78 B	76.04%
2009	£1.57 B	23.27%
2008	£1.28 B	-3.81%
2007	£1.33 B	-39.22%
2006	£2.19 B	20.31%
2005	£1.82 B	2.91%
2004	£1.77 B	29.55%
2003	£1.36 B	25.61%
2002	£1.08 B	6.19%
2001	£1.02 B	38.31%
2000	£0.74 B	17.94%
1999	£0.62 B	-2.32%
1998	£0.64 B	-15.04%
1997	£0.75 B	1.95%
1996	£0.74 B

End of Day market cap according to different sources

On Dec 13th, 2025 the market cap of UDR Apartments was reported to be:

£8.78 Billion

by Nasdaq

£10.00 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Martin Midstream Partners MMLP	£75.93 M	-99.24%	🇺🇸 USA
Diamondrock Hospitality Company DRH	£1.41 B	-85.89%	🇺🇸 USA
Alexander's, Inc. ALX	£0.83 B	-91.67%	🇺🇸 USA
Washington Prime Group WPG	£15.22 M	-99.85%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of UDR Apartments (UDR)

Market cap: £10.00 Billion