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Side-by-side financial comparison of CALIFORNIA WATER SERVICE GROUP (CWT) and PROSPERITY BANCSHARES INC (PB). Click either name above to swap in a different company.

PROSPERITY BANCSHARES INC is the larger business by last-quarter revenue ($275.0M vs $210.7M, roughly 1.3× CALIFORNIA WATER SERVICE GROUP). PROSPERITY BANCSHARES INC runs the higher net margin — 50.9% vs 5.4%, a 45.4% gap on every dollar of revenue. On growth, PROSPERITY BANCSHARES INC posted the faster year-over-year revenue change (2.7% vs -3.3%). Over the past eight quarters, CALIFORNIA WATER SERVICE GROUP's revenue compounded faster (16.6% CAGR vs 7.4%).

California Water Service Group (CWSG) is an American public utility company providing drinking water and wastewater services. It is the third-largest investor-owned publicly traded water utility in the United States, serving roughly two million people through its subsidiary companies in California, Hawaii, New Mexico and Washington. CWSG was formed in 1997 as a new holding company for California Water Service to expand into other states regulated by their own public utilities commissions, and...

Prosperity Bancshares, Inc. is a bank holding company headquartered in Houston, Texas with operations in Texas and central Oklahoma. As of December 31, 2019, the company operated 285 branches: 65 in the Houston area, including The Woodlands, Texas; 30 in South Texas, including Corpus Christi, Texas and Victoria, Texas; 75 in the Dallas–Fort Worth metroplex; 22 in East Texas; 29 in Central Texas, including Austin, Texas and San Antonio; 34 in West Texas, including Lubbock, Texas, Midland–Odess...

CWT vs PB — Head-to-Head

Bigger by revenue
PB
PB
1.3× larger
PB
$275.0M
$210.7M
CWT
Growing faster (revenue YoY)
PB
PB
+6.0% gap
PB
2.7%
-3.3%
CWT
Higher net margin
PB
PB
45.4% more per $
PB
50.9%
5.4%
CWT
Faster 2-yr revenue CAGR
CWT
CWT
Annualised
CWT
16.6%
7.4%
PB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CWT
CWT
PB
PB
Revenue
$210.7M
$275.0M
Net Profit
$11.5M
$139.9M
Gross Margin
Operating Margin
12.2%
65.1%
Net Margin
5.4%
50.9%
Revenue YoY
-3.3%
2.7%
Net Profit YoY
-41.0%
7.6%
EPS (diluted)
$0.19
$1.48

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
CWT
CWT
PB
PB
Q4 25
$210.7M
$275.0M
Q3 25
$314.1M
$273.4M
Q2 25
$256.2M
$267.7M
Q1 25
$182.7M
$265.4M
Q4 24
$217.8M
$267.8M
Q3 24
$306.2M
$261.7M
Q2 24
$226.7M
$258.8M
Q1 24
$154.9M
$238.2M
Net Profit
CWT
CWT
PB
PB
Q4 25
$11.5M
$139.9M
Q3 25
$61.2M
$137.6M
Q2 25
$42.2M
$135.2M
Q1 25
$13.3M
$130.2M
Q4 24
$19.5M
$130.1M
Q3 24
$60.7M
$127.3M
Q2 24
$40.6M
$111.6M
Q1 24
$69.9M
$110.4M
Operating Margin
CWT
CWT
PB
PB
Q4 25
12.2%
65.1%
Q3 25
22.5%
64.4%
Q2 25
20.2%
64.3%
Q1 25
12.2%
62.7%
Q4 24
14.8%
62.0%
Q3 24
21.8%
62.1%
Q2 24
21.2%
55.2%
Q1 24
50.3%
59.3%
Net Margin
CWT
CWT
PB
PB
Q4 25
5.4%
50.9%
Q3 25
19.5%
50.3%
Q2 25
16.5%
50.5%
Q1 25
7.3%
49.1%
Q4 24
8.9%
48.6%
Q3 24
19.8%
48.6%
Q2 24
17.9%
43.1%
Q1 24
45.1%
46.3%
EPS (diluted)
CWT
CWT
PB
PB
Q4 25
$0.19
$1.48
Q3 25
$1.03
$1.45
Q2 25
$0.71
$1.42
Q1 25
$0.22
$1.37
Q4 24
$0.31
$1.36
Q3 24
$1.03
$1.34
Q2 24
$0.70
$1.17
Q1 24
$1.21
$1.18

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
CWT
CWT
PB
PB
Cash + ST InvestmentsLiquidity on hand
$51.8M
Total DebtLower is stronger
$1.5B
Stockholders' EquityBook value
$1.7B
$7.6B
Total Assets
$5.7B
$38.5B
Debt / EquityLower = less leverage
0.87×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CWT
CWT
PB
PB
Q4 25
$51.8M
Q3 25
$76.0M
Q2 25
$50.5M
Q1 25
$44.5M
Q4 24
$50.1M
Q3 24
$59.6M
Q2 24
$37.3M
Q1 24
$42.8M
Total Debt
CWT
CWT
PB
PB
Q4 25
$1.5B
Q3 25
$1.1B
Q2 25
$1.1B
Q1 25
$1.1B
Q4 24
$1.1B
Q3 24
Q2 24
Q1 24
Stockholders' Equity
CWT
CWT
PB
PB
Q4 25
$1.7B
$7.6B
Q3 25
$1.7B
$7.7B
Q2 25
$1.7B
$7.6B
Q1 25
$1.6B
$7.5B
Q4 24
$1.6B
$7.4B
Q3 24
$1.6B
$7.4B
Q2 24
$1.5B
$7.3B
Q1 24
$1.5B
$7.1B
Total Assets
CWT
CWT
PB
PB
Q4 25
$5.7B
$38.5B
Q3 25
$5.5B
$38.3B
Q2 25
$5.4B
$38.4B
Q1 25
$5.3B
$38.8B
Q4 24
$5.2B
$39.6B
Q3 24
$5.0B
$40.1B
Q2 24
$4.9B
$39.8B
Q1 24
$4.8B
$38.8B
Debt / Equity
CWT
CWT
PB
PB
Q4 25
0.87×
Q3 25
0.65×
Q2 25
0.67×
Q1 25
0.68×
Q4 24
0.67×
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
CWT
CWT
PB
PB
Operating Cash FlowLast quarter
$47.9M
$78.3M
Free Cash FlowOCF − Capex
$68.5M
FCF MarginFCF / Revenue
24.9%
Capex IntensityCapex / Revenue
3.6%
Cash ConversionOCF / Net Profit
4.17×
0.56×
TTM Free Cash FlowTrailing 4 quarters
$517.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CWT
CWT
PB
PB
Q4 25
$47.9M
$78.3M
Q3 25
$167.3M
$194.8M
Q2 25
$48.9M
$98.2M
Q1 25
$38.4M
$178.2M
Q4 24
$68.1M
$-205.8M
Q3 24
$101.8M
$274.6M
Q2 24
$94.4M
$216.5M
Q1 24
$26.5M
$187.4M
Free Cash Flow
CWT
CWT
PB
PB
Q4 25
$68.5M
Q3 25
$185.7M
Q2 25
$91.8M
Q1 25
$171.1M
Q4 24
$-210.7M
Q3 24
$270.2M
Q2 24
$211.8M
Q1 24
$180.2M
FCF Margin
CWT
CWT
PB
PB
Q4 25
24.9%
Q3 25
67.9%
Q2 25
34.3%
Q1 25
64.5%
Q4 24
-78.7%
Q3 24
103.3%
Q2 24
81.8%
Q1 24
75.6%
Capex Intensity
CWT
CWT
PB
PB
Q4 25
3.6%
Q3 25
3.3%
Q2 25
2.4%
Q1 25
2.7%
Q4 24
1.8%
Q3 24
1.7%
Q2 24
1.8%
Q1 24
3.0%
Cash Conversion
CWT
CWT
PB
PB
Q4 25
4.17×
0.56×
Q3 25
2.73×
1.42×
Q2 25
1.16×
0.73×
Q1 25
2.88×
1.37×
Q4 24
3.50×
-1.58×
Q3 24
1.68×
2.16×
Q2 24
2.33×
1.94×
Q1 24
0.38×
1.70×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

CWT
CWT

Residential$133.2M63%
Business$47.7M23%
Public Authorities$13.4M6%
Industrial$6.9M3%
Non Regulated Services$4.8M2%
Other Non Regulated Service$1.2M1%

PB
PB

Segment breakdown not available.

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