Market Cap for Middlesex Water (MSEX)
According to Middlesex Water's latest reported financial statements, the company's latest reported market cap is $114.11M USD. Market capitalization is the total dollar value of all outstanding shares — shares outstanding × stock price — and the standard measure of a company's equity value. On this page, historical market cap snaps filing-period share counts to closing prices on or before each statement date (not intraday tick data).
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
MSEX
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Latest period
$114.11M
YoY change
+739.9%
5Y CAGR
+54.0%
Peak year (2026)
$943.83M
Latest annual
$943.83M
Market Cap history chart for Middlesex Water (MSEX) from 1985 to 2026
Market Cap history table for Middlesex Water (MSEX) from 1985 to 2026
| Fiscal year | Period ended | Reported | Market Cap | YoY |
|---|---|---|---|---|
| 2026 | $943.83M | +739.9% | ||
| 2025 | $112.37M | +1.2% | ||
| 2024 | $111.09M | +0.6% | ||
| 2023 | $110.47M | +0.8% | ||
| 2022 | $109.64M | +0.6% | ||
| 2021 | $108.99M | +0.2% | ||
| 2020 | $108.78M | +4.4% | ||
| 2019 | $104.17M | +1.7% | ||
| 2018 | $102.38M | +0.3% | ||
| 2017 | $102.05M | +0.4% | ||
| 2016 | $101.68M | +0.6% | ||
| 2015 | $101.09M | +0.6% | ||
| 2014 | $100.44M | +0.7% | ||
| 2013 | $99.72M | +0.7% | ||
| 2012 | $99.01M | +0.7% | ||
| 2011 | $98.28M | +6.4% | ||
| 2010 | $92.33M | +8.7% | ||
| 2009 | $84.90M | +0.7% | ||
| 2008 | $84.28M | +0.6% | ||
| 2007 | $83.78M | +11.2% | ||
| 2006 | $75.36M | +3.3% | ||
| 2005 | $72.94M | +3.2% | ||
| 2004 | $70.71M | +5.6% | ||
| 2003 | $66.97M | +1.8% | ||
| 2002 | $65.76M | +1.4% | ||
| 2001 | $64.83M | +0.8% | ||
| 2000 | $64.30M | +0.9% | ||
| 1999 | $63.73M | +12.4% | ||
| 1998 | $56.70M | +6.9% | ||
| 1997 | $53.03M | +2.9% | ||
| 1996 | $51.56M | +3.0% | ||
| 1995 | $50.04M | +1.5% | ||
| 1994 | $49.31M | +1.9% | ||
| 1993 | $48.38M | +11.7% | ||
| 1992 | $43.31M | +2.3% | ||
| 1991 | $42.33M | -0.5% | ||
| 1990 | $42.53M | +11.7% | ||
| 1989 | $38.07M | -6.2% | ||
| 1988 | $40.60M | +11.0% | ||
| 1987 | $36.58M | -6.1% | ||
| 1986 | $38.95M | +12.9% | ||
| 1985 | $34.50M | — |
Market Cap values are taken from Middlesex Water's reported income statements (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
Middlesex Water (MSEX) most recent annual market cap stands at $943.83M (2026) – surged 739.9% year-over-year.
Looking at the 2021–2026 (5 years) stretch, Middlesex Water market cap compounded at +54.0% per year, sustaining 35 straight years of year-over-year growth.
$943.83M stands as the all-time-high annual market cap, posted in 2026, against a low of $34.50M during 1985.
Within Utilities, Middlesex Water (MSEX) ranks 9th among 8 peers we track. The peer median for market cap is $97.46B.
Middlesex Water Market Cap by Year
Middlesex Water Market Cap 2026: $943.83M
Middlesex Water market cap in 2026 was $943.83M, surged 739.9% from 2025. This figure represents the highest annual value in the available history.
Middlesex Water Market Cap 2025: $112.37M
Middlesex Water market cap in 2025 was $112.37M, edged up 1.2% from 2024.
Middlesex Water Market Cap 2024: $111.09M
Middlesex Water market cap in 2024 was $111.09M, edged up 0.6% from 2023.
Middlesex Water Market Cap 2023: $110.47M
Middlesex Water market cap in 2023 was $110.47M, edged up 0.8% from 2022.
Middlesex Water Market Cap 2022: $109.64M
Middlesex Water market cap in 2022 was $109.64M.
See more financial history for Middlesex Water (MSEX).
Sector peers — Market Cap
Companies in the same sector as Middlesex Water, ranked by their latest market cap.
| Company | Market Cap | Sector |
|---|---|---|
| GE Vernova Inc. (GEV) | $292.62B | Utilities |
| NextEra Energy, Inc. (NEE) | $201.26B | Utilities |
| The Southern Company (SO) | $106.43B | Utilities |
| Duke Energy Corporation (DUK) | $99.46B | Utilities |
| Constellation Energy Corporation (CEG) | $95.47B | Utilities |
| American Electric Power Company, Inc. (AEP) | $73.70B | Utilities |
| Sempra (SRE) | $60.69B | Utilities |
| Dominion Energy, Inc. (D) | $55.28B | Utilities |
Frequently asked questions
What is Middlesex Water's market cap?
Latest reported market cap for Middlesex Water (MSEX) is $114.11M (period ending December 31, 2025).
How has Middlesex Water market cap changed year-over-year?
Middlesex Water (MSEX) market cap changed +739.9% year-over-year on the latest annual filing.
What is the long-term growth rate of Middlesex Water market cap?
Middlesex Water (MSEX) market cap compound annual growth rate is +54.0% over the most recent 5 years available.
When did Middlesex Water market cap hit its highest annual value?
Middlesex Water market cap reached its highest annual value of $943.83M in 2026.
What was Middlesex Water market cap in 2025?
Middlesex Water (MSEX) market cap in 2025 was $112.37M.
What was Middlesex Water market cap in 2026?
Middlesex Water (MSEX) market cap in 2026 was $943.83M.
Metrics overview
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