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Side-by-side financial comparison of CALIFORNIA WATER SERVICE GROUP (CWT) and MASIMO CORP (MASI). Click either name above to swap in a different company.

MASIMO CORP is the larger business by last-quarter revenue ($371.5M vs $210.7M, roughly 1.8× CALIFORNIA WATER SERVICE GROUP). CALIFORNIA WATER SERVICE GROUP runs the higher net margin — 5.4% vs -27.0%, a 32.5% gap on every dollar of revenue. On growth, CALIFORNIA WATER SERVICE GROUP posted the faster year-over-year revenue change (-3.3% vs -26.4%). Over the past eight quarters, CALIFORNIA WATER SERVICE GROUP's revenue compounded faster (16.6% CAGR vs -17.7%).

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...

Masimo Corporation is an American health technology and consumer electronics company headquartered in Irvine, California. The company develops patient monitoring devices, non-invasive sensors, and related software platforms used in hospital and home settings. Masimo has also operated in the consumer audio and wearable device markets.

CWT vs MASI — Head-to-Head

Bigger by revenue
MASI
MASI
1.8× larger
MASI
$371.5M
$210.7M
CWT
Growing faster (revenue YoY)
CWT
CWT
+23.1% gap
CWT
-3.3%
-26.4%
MASI
Higher net margin
CWT
CWT
32.5% more per $
CWT
5.4%
-27.0%
MASI
Faster 2-yr revenue CAGR
CWT
CWT
Annualised
CWT
16.6%
-17.7%
MASI

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
CWT
CWT
MASI
MASI
Revenue
$210.7M
$371.5M
Net Profit
$11.5M
$-100.4M
Gross Margin
62.1%
Operating Margin
12.2%
22.5%
Net Margin
5.4%
-27.0%
Revenue YoY
-3.3%
-26.4%
Net Profit YoY
-41.0%
-1124.5%
EPS (diluted)
$0.19
$-1.84

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
MASI
MASI
Q4 25
$210.7M
Q3 25
$314.1M
$371.5M
Q2 25
$256.2M
$370.9M
Q1 25
$182.7M
$372.0M
Q4 24
$217.8M
$600.7M
Q3 24
$306.2M
$504.6M
Q2 24
$226.7M
$496.3M
Q1 24
$154.9M
$492.8M
Net Profit
CWT
CWT
MASI
MASI
Q4 25
$11.5M
Q3 25
$61.2M
$-100.4M
Q2 25
$42.2M
$51.3M
Q1 25
$13.3M
$-170.7M
Q4 24
$19.5M
$-349.6M
Q3 24
$60.7M
$9.8M
Q2 24
$40.6M
$16.0M
Q1 24
$69.9M
$18.9M
Gross Margin
CWT
CWT
MASI
MASI
Q4 25
Q3 25
62.1%
Q2 25
62.9%
Q1 25
62.9%
Q4 24
40.7%
Q3 24
52.2%
Q2 24
51.3%
Q1 24
49.0%
Operating Margin
CWT
CWT
MASI
MASI
Q4 25
12.2%
Q3 25
22.5%
22.5%
Q2 25
20.2%
17.4%
Q1 25
12.2%
21.0%
Q4 24
14.8%
-59.8%
Q3 24
21.8%
6.0%
Q2 24
21.2%
5.7%
Q1 24
50.3%
6.9%
Net Margin
CWT
CWT
MASI
MASI
Q4 25
5.4%
Q3 25
19.5%
-27.0%
Q2 25
16.5%
13.8%
Q1 25
7.3%
-45.9%
Q4 24
8.9%
-58.2%
Q3 24
19.8%
1.9%
Q2 24
17.9%
3.2%
Q1 24
45.1%
3.8%
EPS (diluted)
CWT
CWT
MASI
MASI
Q4 25
$0.19
Q3 25
$1.03
$-1.84
Q2 25
$0.71
$0.94
Q1 25
$0.22
$-3.12
Q4 24
$0.31
$-6.54
Q3 24
$1.03
$0.18
Q2 24
$0.70
$0.29
Q1 24
$1.21
$0.35

Balance Sheet & Financial Strength

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

Metric
CWT
CWT
MASI
MASI
Cash + ST InvestmentsLiquidity on hand
$51.8M
$312.3M
Total DebtLower is stronger
$1.5B
$559.1M
Stockholders' EquityBook value
$1.7B
$810.0M
Total Assets
$5.7B
$1.8B
Debt / EquityLower = less leverage
0.87×
0.69×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CWT
CWT
MASI
MASI
Q4 25
$51.8M
Q3 25
$76.0M
$312.3M
Q2 25
$50.5M
$149.6M
Q1 25
$44.5M
$130.8M
Q4 24
$50.1M
$177.6M
Q3 24
$59.6M
$158.5M
Q2 24
$37.3M
$129.6M
Q1 24
$42.8M
$157.6M
Total Debt
CWT
CWT
MASI
MASI
Q4 25
$1.5B
Q3 25
$1.1B
$559.1M
Q2 25
$1.1B
$613.7M
Q1 25
$1.1B
$651.0M
Q4 24
$1.1B
$765.2M
Q3 24
$772.6M
Q2 24
$781.6M
Q1 24
$876.0M
Stockholders' Equity
CWT
CWT
MASI
MASI
Q4 25
$1.7B
Q3 25
$1.7B
$810.0M
Q2 25
$1.7B
$1.0B
Q1 25
$1.6B
$946.4M
Q4 24
$1.6B
$1.1B
Q3 24
$1.6B
$1.5B
Q2 24
$1.5B
$1.4B
Q1 24
$1.5B
$1.4B
Total Assets
CWT
CWT
MASI
MASI
Q4 25
$5.7B
Q3 25
$5.5B
$1.8B
Q2 25
$5.4B
$2.4B
Q1 25
$5.3B
$2.3B
Q4 24
$5.2B
$2.6B
Q3 24
$5.0B
$3.1B
Q2 24
$4.9B
$2.9B
Q1 24
$4.8B
$3.0B
Debt / Equity
CWT
CWT
MASI
MASI
Q4 25
0.87×
Q3 25
0.65×
0.69×
Q2 25
0.67×
0.59×
Q1 25
0.68×
0.69×
Q4 24
0.67×
0.73×
Q3 24
0.53×
Q2 24
0.57×
Q1 24
0.64×

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
MASI
MASI
Operating Cash FlowLast quarter
$47.9M
$56.8M
Free Cash FlowOCF − Capex
$50.9M
FCF MarginFCF / Revenue
13.7%
Capex IntensityCapex / Revenue
1.6%
Cash ConversionOCF / Net Profit
4.17×
TTM Free Cash FlowTrailing 4 quarters
$191.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CWT
CWT
MASI
MASI
Q4 25
$47.9M
Q3 25
$167.3M
$56.8M
Q2 25
$48.9M
$69.4M
Q1 25
$38.4M
$31.1M
Q4 24
$68.1M
$50.5M
Q3 24
$101.8M
$25.6M
Q2 24
$94.4M
$74.5M
Q1 24
$26.5M
$45.8M
Free Cash Flow
CWT
CWT
MASI
MASI
Q4 25
Q3 25
$50.9M
Q2 25
$65.6M
Q1 25
$28.5M
Q4 24
$46.0M
Q3 24
$16.9M
Q2 24
$66.9M
Q1 24
$37.6M
FCF Margin
CWT
CWT
MASI
MASI
Q4 25
Q3 25
13.7%
Q2 25
17.7%
Q1 25
7.7%
Q4 24
7.7%
Q3 24
3.3%
Q2 24
13.5%
Q1 24
7.6%
Capex Intensity
CWT
CWT
MASI
MASI
Q4 25
Q3 25
1.6%
Q2 25
1.0%
Q1 25
0.7%
Q4 24
0.7%
Q3 24
1.7%
Q2 24
1.5%
Q1 24
1.7%
Cash Conversion
CWT
CWT
MASI
MASI
Q4 25
4.17×
Q3 25
2.73×
Q2 25
1.16×
1.35×
Q1 25
2.88×
Q4 24
3.50×
Q3 24
1.68×
2.61×
Q2 24
2.33×
4.66×
Q1 24
0.38×
2.42×

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%

MASI
MASI

Segment breakdown not available.

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