Market Cap for California Water Service Group (CWT)
According to California Water Service Group's latest reported financial statements, the company's latest reported market cap is $2.59B 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 .
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Latest period
$2.59B
YoY change
+4.7%
5Y CAGR
-6.1%
Peak year (2021)
$3.71B
Latest annual
$2.71B
Market Cap history chart for California Water Service Group (CWT) from 1985 to 2026
Market Cap history table for California Water Service Group (CWT) from 1985 to 2026
| Fiscal year | Period ended | Reported | Market Cap | YoY |
|---|---|---|---|---|
| 2026 | $2.71B | +4.7% | ||
| 2025 | $2.58B | -2.8% | ||
| 2024 | $2.66B | -10.1% | ||
| 2023 | $2.96B | -10.3% | ||
| 2022 | $3.30B | -11.2% | ||
| 2021 | $3.71B | +39.4% | ||
| 2020 | $2.66B | +7.2% | ||
| 2019 | $2.48B | +8.4% | ||
| 2018 | $2.29B | +5.2% | ||
| 2017 | $2.18B | +33.9% | ||
| 2016 | $1.63B | +45.9% | ||
| 2015 | $1.11B | -5.3% | ||
| 2014 | $1.18B | +9.9% | ||
| 2013 | $1.07B | +39.3% | ||
| 2012 | $768.72M | +0.8% | ||
| 2011 | $762.76M | -1.7% | ||
| 2010 | $776.13M | +1.5% | ||
| 2009 | $764.60M | -20.6% | ||
| 2008 | $962.47M | +25.7% | ||
| 2007 | $765.91M | +0.2% | ||
| 2006 | $764.57M | +8.7% | ||
| 2005 | $703.32M | +5.4% | ||
| 2004 | $667.03M | +52.9% | ||
| 2003 | $436.23M | +21.5% | ||
| 2002 | $358.97M | -8.2% | ||
| 2001 | $391.19M | -4.2% | ||
| 2000 | $408.48M | -11.0% | ||
| 1999 | $459.11M | -2.3% | ||
| 1998 | $470.04M | +24.4% | ||
| 1997 | $377.72M | +42.8% | ||
| 1996 | $264.60M | +29.2% | ||
| 1995 | $204.75M | +9.9% | ||
| 1994 | $186.23M | -17.8% | ||
| 1993 | $226.67M | +21.7% | ||
| 1992 | $186.19M | +17.5% | ||
| 1991 | $158.51M | +4.3% | ||
| 1990 | $152.00M | -4.9% | ||
| 1989 | $159.83M | +9.9% | ||
| 1988 | $145.38M | -12.4% | ||
| 1987 | $165.91M | +13.3% | ||
| 1986 | $146.41M | +14.9% | ||
| 1985 | $127.48M | — |
Market Cap values are taken from California Water Service Group'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
The 2026 reading of California Water Service Group (CWT) market cap is $2.71B – edged up 4.7% year-over-year.
California Water Service Group market cap has contracted on net over the period, with a -6.1% compound annual growth rate over 2021–2026 (5 years).
Between 2021 and 2026, California Water Service Group market cap declined 27.1%, falling from $3.71B to $2.71B.
Across the available history, market cap reached its high of $3.71B in 2021 and its low of $127.48M in 1985.
Within Utilities, California Water Service Group (CWT) ranks 9th among 8 peers we track. The peer median for market cap is $97.46B.
California Water Service Group Market Cap by Year
California Water Service Group Market Cap 2026: $2.71B
California Water Service Group market cap in 2026 was $2.71B, edged up 4.7% from 2025.
California Water Service Group Market Cap 2025: $2.58B
California Water Service Group market cap in 2025 was $2.58B, edged down 2.8% below 2024.
California Water Service Group Market Cap 2024: $2.66B
California Water Service Group market cap in 2024 was $2.66B, declined 10.1% below 2023.
California Water Service Group Market Cap 2023: $2.96B
California Water Service Group market cap in 2023 was $2.96B, declined 10.3% below 2022.
California Water Service Group Market Cap 2022: $3.30B
California Water Service Group market cap in 2022 was $3.30B.
See more financial history for California Water Service Group (CWT).
Sector peers — Market Cap
Companies in the same sector as California Water Service Group, 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 California Water Service Group's market cap?
- Latest reported market cap for California Water Service Group (CWT) is $2.59B (period ending December 31, 2025).
How has California Water Service Group market cap changed year-over-year?
- California Water Service Group (CWT) market cap changed +4.7% year-over-year on the latest annual filing.
What is the long-term growth rate of California Water Service Group market cap?
- California Water Service Group (CWT) market cap compound annual growth rate is -6.1% over the most recent 5 years available.
When did California Water Service Group market cap hit its highest annual value?
- California Water Service Group market cap reached its highest annual value of $3.71B in 2021.
What was California Water Service Group market cap in 2025?
- California Water Service Group (CWT) market cap in 2025 was $2.58B.
What was California Water Service Group market cap in 2026?
- California Water Service Group (CWT) market cap in 2026 was $2.71B.
Metrics overview
Pick a metric for charts, filings, and peers — each row shows the latest TTM or annual value with year-over-year change.
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