Middlesex Water Company (MSEX) - Market capitalization

Market cap: NZ$1.72 Billion

As of January 2026 Middlesex Water Company has a market cap of NZ$1.72 Billion. This makes Middlesex Water Company the world's 6034th 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 Middlesex Water Company from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	NZ$1.72 B	5.9%
2025	NZ$1.62 B	-2.69%
2024	NZ$1.67 B	-9.39%
2023	NZ$1.84 B	-15.46%
2022	NZ$2.18 B	-29.08%
2021	NZ$3.08 B	75.63%
2020	NZ$1.75 B	6.62%
2019	NZ$1.64 B	26.14%
2018	NZ$1.30 B	42.03%
2017	NZ$0.91 B	-9.03%
2016	NZ$1.00 B	60.49%
2015	NZ$0.62 B	32.58%
2014	NZ$0.47 B	16.66%
2013	NZ$0.40 B	8.31%
2012	NZ$0.37 B	0.47%
2011	NZ$0.37 B	0.97%
2010	NZ$0.37 B	12.89%
2009	NZ$0.32 B	-17.59%
2008	NZ$0.39 B	21.45%
2007	NZ$0.32 B	-6.51%
2006	NZ$0.35 B	19.27%
2005	NZ$0.29 B	-2.68%
2004	NZ$0.30 B	-8.48%
2003	NZ$0.32 B	6.02%
2002	NZ$0.31 B	-25.38%
2001	NZ$0.41 B	8.53%
2000	NZ$0.38 B	26.98%
1999	NZ$0.30 B	34.37%
1998	NZ$0.22 B	36.14%
1997	NZ$0.16 B	63.59%
1996	NZ$0.10 B

End of Day market cap according to different sources

On Jan 14th, 2026 the market cap of Middlesex Water Company was reported to be:

NZ$1.72 Billion

by Nasdaq

NZ$1.72 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
American Water AWK	NZ$45.03 B	2,510.11%	🇺🇸 USA
Cadiz CDZI	NZ$0.99 B	-42.36%	🇺🇸 USA
American States Water AWR	NZ$5.09 B	195.35%	🇺🇸 USA
York Water YORW	NZ$0.84 B	-50.80%	🇺🇸 USA
SJW Group SJW	NZ$3.26 B	89.34%	🇺🇸 USA
California Water Service Group CWT	NZ$4.74 B	174.78%	🇺🇸 USA
Artesian Resources ARTNA	NZ$0.60 B	-65.17%	🇺🇸 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 Middlesex Water Company (MSEX)

Market cap: NZ$1.72 Billion