MSEX (Middlesex Water Co) Market Cap: $1,071.8 Mil (As of Jul. 05, 2026)


MSEX Middlesex Water Co MSEX
72 GF Score
Price $57.55
GF Value $62.62
Valuation Fairly Valued
! 3 Warning Signs
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What is Middlesex Water Co Market Cap?

Middlesex Water Co MSEX +1.78% 72 Market Cap is $1,071.8 Mil as of Jul. 05, 2026. GuruFocus rates MSEX with a GF Score™ of 72/100 and a GF Value™ of $62.62 (Fairly Valued). The stock has 3 warning signs investors should review. Among 513 Utilities - Regulated companies, Middlesex Water Co ranks better than 52.83% on this metric.

Market cap is the total market value to buy the whole company. It is equal to the share price times the number of Shares Outstanding (EOP). Middlesex Water Co's share price for the quarter that ended in Mar. 2026 was $52.05. Middlesex Water Co's Shares Outstanding (EOP) for the quarter that ended in Mar. 2026 was 18.6 Mil. Therefore, Middlesex Water Co's market cap for the quarter that ended in Mar. 2026 was $966.9 Mil.

Middlesex Water Co's quarterly market cap declined from Sep. 2025 ($992.4 Mil) to Dec. 2025 ($933.8 Mil) but then increased from Dec. 2025 ($933.8 Mil) to Mar. 2026 ($966.9 Mil).

Middlesex Water Co's annual market cap declined from Dec. 2023 ($1,169.4 Mil) to Dec. 2024 ($941.4 Mil) and declined from Dec. 2024 ($941.4 Mil) to Dec. 2025 ($933.8 Mil).

Enterprise Value is the theoretical takeover price. It is more comprehensive than market capitalization (market cap), which only includes common equity. Enterprise Value is calculated as the market cap plus debt and minority interest and preferred shares, minus total cash and cash equivalents. Middlesex Water Co's Enterprise Value for Today is $1,499.1 Mil.


Middlesex Water Co  (NAS:MSEX) Market Cap Explanation

Market cap is not the real price you pay for a company. If you buy the company and become its owner, you become the owner of the cash the company has, and you also assume the company’s debt. The real price you pay is the Enterprise Value.

Warren Buffett uses the ratio of total market cap of all public traded companies over GDP to measure if the market is expensive. As of April 2012, the US total market cap is about $14.7 trillion, while the US GDP is about $15 trillion. The market was modestly overvalued.


Middlesex Water Co Market Cap Related Terms


Middlesex Water Co Market Cap Historical Data

* Premium members only.

The historical data trend for Middlesex Water Co's Market Cap can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Middlesex Water Co Market Cap Chart

Middlesex Water Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Market Cap
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2,107.90 1,387.90 1,169.41 941.39 933.83

Middlesex Water Co Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Market Cap Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 1,147.01 976.11 992.40 933.83 966.93

MSEX vs YORW, CWCO, ARTNA: Market Cap Comparison

For the Utilities - Regulated Water subindustry, Middlesex Water Co's Market Cap, along with its competitors' market caps and Market Cap data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Middlesex Water Co Market Cap vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, Middlesex Water Co's Market Cap distribution charts can be found below:

* The bar in red indicates where Middlesex Water Co's Market Cap falls into.


MSEX
72GF Score
Middlesex Water Co MSEX
Market Cap is just one metric. See GF Score™, valuation, warning signs, and more.
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Middlesex Water Co Market Cap Calculation

Market cap is the short version of market capitalization. It is the total market value to buy the whole company. It is equal to the share price times the number of shares outstanding.

Middlesex Water Co's Market Cap for the fiscal year that ended in Dec. 2025 is calculated as

Market Cap (A: Dec. 2025 )=Share Price (A: Dec. 2025 )*Shares Outstanding (EOP) (A: Dec. 2025 )
=$50.42*18.521
=$933.8

Middlesex Water Co's Market Cap for the quarter that ended in Mar. 2026 is calculated as

Market Cap (Q: Mar. 2026 )=Share Price (Q: Mar. 2026 )*Shares Outstanding (EOP) (Q: Mar. 2026 )
=$52.05*18.577
=$966.9

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Market Cap →
What does a Market Cap of $1,071.8 Mil mean?
Middlesex Water Co (MSEX) has a Market Cap of $1,071.8 Mil as of Jul. 05, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Middlesex Water Co and its competitors. According to the industry distribution chart, Middlesex Water Co ranks #242 out of 513 companies in the Utilities - Regulated industry, placing it in the top 47.2%.
Is Middlesex Water Co's Market Cap too high?
Middlesex Water Co's current Market Cap is $1,071.8 Mil. The Utilities - Regulated industry median Market Cap is 915.76. Middlesex Water Co's value of $1,071.8 Mil is 17% above this industry median. Based on the distribution chart, Middlesex Water Co ranks #242 out of 513 companies in the Utilities - Regulated industry, which is above the industry midpoint. Overall, Middlesex Water Co has a GF Score™ of 72/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Middlesex Water Co's Market Cap compare to YORW and CWCO?
According to the Utilities - Regulated industry distribution chart, Middlesex Water Co ranks #242 out of 513 companies for Market Cap. This puts Middlesex Water Co in the upper half of its industry. The industry median Market Cap is 915.76. Middlesex Water Co's value of $1,071.8 Mil is 17% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Market Cap for an Utilities - Regulated company?
The median Market Cap among Utilities - Regulated companies is 915.76, based on 513 companies in the industry. Companies in the top quartile (top 25%) have a Market Cap significantly above this median, while those in the bottom quartile fall well below. However, Market Cap should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Middlesex Water Co's current Market Cap of $1,071.8 Mil is 17% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Market Cap mean?
A high Market Cap can signal that a stock is expensive relative to its fundamentals. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Middlesex Water Co and its competitors. For the Utilities - Regulated industry, the median Market Cap is 915.76 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Middlesex Water Co's current Market Cap is $1,071.8 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Middlesex Water Co stock overvalued right now?
Based on GuruFocus' analysis, Middlesex Water Co (MSEX) is currently considered Fairly Valued. The stock's GF Value™ is $62.62, compared to a current price of $57.55 — trading 8.1% below its estimated fair value. The current Market Cap is $1,071.8 Mil and 17% above the Utilities - Regulated industry median of 915.76. Middlesex Water Co's overall GF Score™ is 72/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Market Cap calculated?
Market Cap is calculated from a company's financial statements. For Middlesex Water Co (MSEX), the current Market Cap is $1,071.8 Mil as of Jul. 05, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Middlesex Water Co (MSEX) Overvalued in 2026?

Based on GuruFocus' analysis, Middlesex Water Co stock appears to be undervalued. The current stock price of $57.55 is trading 8.1% below its estimated GF Value™ of $62.62. GuruFocus considers Middlesex Water Co to be Fairly Valued.

Key valuation signals for MSEX:

  • Market Cap: $1,071.8 Mil
  • GF Value™: $62.62 vs. price of $57.55 (8.1% below fair value)
  • GF Score™: 72/100 with 3 warning signs
  • Industry Position: 17% above the Utilities - Regulated median (#242 of 513)

No single metric tells the full story. See the MSEX stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Middlesex Water Co Business Description

Address 485C Route 1 South, Suite 400, Iselin, NJ, USA, 08830
Middlesex Water Co owns and operates regulated water utility and wastewater systems in the U.S. The company has two operating segments, Regulated and Non-Regulated. The regulated business includes collecting and distributing water to residential, commercial, industrial, and fire protection consumers. The non-regulated business includes contract services for the operation of private water and wastewater systems. The majority of the company's revenue is derived from the Regulated segment and from residential customers.
72GF Score

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Market Cap is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$57.55
Price
$62.62
GF Value