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Side-by-side financial comparison of AtriCure, Inc. (ATRC) and CALIFORNIA WATER SERVICE GROUP (CWT). Click either name above to swap in a different company.

CALIFORNIA WATER SERVICE GROUP is the larger business by last-quarter revenue ($210.7M vs $140.5M, roughly 1.5× AtriCure, Inc.). On growth, AtriCure, Inc. posted the faster year-over-year revenue change (13.1% vs -3.3%). Over the past eight quarters, CALIFORNIA WATER SERVICE GROUP's revenue compounded faster (16.6% CAGR vs 13.6%).

AtriCure, Inc. is a global medical device company specializing in the research, development, and manufacturing of innovative surgical tools and therapeutic solutions for treating atrial fibrillation and associated cardiac conditions. Its core customers include hospitals, cardiac surgery centers, and healthcare providers across North America, Europe, and the Asia Pacific region, with products designed to support safer, more effective minimally invasive cardiac procedures.

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...

ATRC vs CWT — Head-to-Head

Bigger by revenue
CWT
CWT
1.5× larger
CWT
$210.7M
$140.5M
ATRC
Growing faster (revenue YoY)
ATRC
ATRC
+16.3% gap
ATRC
13.1%
-3.3%
CWT
Faster 2-yr revenue CAGR
CWT
CWT
Annualised
CWT
16.6%
13.6%
ATRC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ATRC
ATRC
CWT
CWT
Revenue
$140.5M
$210.7M
Net Profit
$11.5M
Gross Margin
75.0%
Operating Margin
1.8%
12.2%
Net Margin
5.4%
Revenue YoY
13.1%
-3.3%
Net Profit YoY
-41.0%
EPS (diluted)
$0.04
$0.19

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
ATRC
ATRC
CWT
CWT
Q4 25
$140.5M
$210.7M
Q3 25
$134.3M
$314.1M
Q2 25
$136.1M
$256.2M
Q1 25
$123.6M
$182.7M
Q4 24
$124.3M
$217.8M
Q3 24
$115.9M
$306.2M
Q2 24
$116.3M
$226.7M
Q1 24
$108.9M
$154.9M
Net Profit
ATRC
ATRC
CWT
CWT
Q4 25
$11.5M
Q3 25
$-267.0K
$61.2M
Q2 25
$-6.2M
$42.2M
Q1 25
$-6.7M
$13.3M
Q4 24
$19.5M
Q3 24
$-7.9M
$60.7M
Q2 24
$-8.0M
$40.6M
Q1 24
$-13.3M
$69.9M
Gross Margin
ATRC
ATRC
CWT
CWT
Q4 25
75.0%
Q3 25
75.5%
Q2 25
74.5%
Q1 25
74.9%
Q4 24
74.5%
Q3 24
74.9%
Q2 24
74.7%
Q1 24
74.7%
Operating Margin
ATRC
ATRC
CWT
CWT
Q4 25
1.8%
12.2%
Q3 25
0.2%
22.5%
Q2 25
-4.5%
20.2%
Q1 25
-4.8%
12.2%
Q4 24
-11.7%
14.8%
Q3 24
-6.4%
21.8%
Q2 24
-6.2%
21.2%
Q1 24
-10.0%
50.3%
Net Margin
ATRC
ATRC
CWT
CWT
Q4 25
5.4%
Q3 25
-0.2%
19.5%
Q2 25
-4.5%
16.5%
Q1 25
-5.5%
7.3%
Q4 24
8.9%
Q3 24
-6.8%
19.8%
Q2 24
-6.9%
17.9%
Q1 24
-12.2%
45.1%
EPS (diluted)
ATRC
ATRC
CWT
CWT
Q4 25
$0.04
$0.19
Q3 25
$-0.01
$1.03
Q2 25
$-0.13
$0.71
Q1 25
$-0.14
$0.22
Q4 24
$-0.33
$0.31
Q3 24
$-0.17
$1.03
Q2 24
$-0.17
$0.70
Q1 24
$-0.28
$1.21

Balance Sheet & Financial Strength

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

Metric
ATRC
ATRC
CWT
CWT
Cash + ST InvestmentsLiquidity on hand
$167.4M
$51.8M
Total DebtLower is stronger
$1.5B
Stockholders' EquityBook value
$491.9M
$1.7B
Total Assets
$654.2M
$5.7B
Debt / EquityLower = less leverage
0.87×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATRC
ATRC
CWT
CWT
Q4 25
$167.4M
$51.8M
Q3 25
$147.9M
$76.0M
Q2 25
$117.8M
$50.5M
Q1 25
$99.9M
$44.5M
Q4 24
$122.7M
$50.1M
Q3 24
$130.3M
$59.6M
Q2 24
$114.0M
$37.3M
Q1 24
$106.0M
$42.8M
Total Debt
ATRC
ATRC
CWT
CWT
Q4 25
$1.5B
Q3 25
$61.9M
$1.1B
Q2 25
$61.9M
$1.1B
Q1 25
$61.9M
$1.1B
Q4 24
$1.1B
Q3 24
$61.9M
Q2 24
$61.9M
Q1 24
$61.9M
Stockholders' Equity
ATRC
ATRC
CWT
CWT
Q4 25
$491.9M
$1.7B
Q3 25
$476.5M
$1.7B
Q2 25
$464.5M
$1.7B
Q1 25
$454.6M
$1.6B
Q4 24
$461.0M
$1.6B
Q3 24
$465.0M
$1.6B
Q2 24
$462.1M
$1.5B
Q1 24
$456.3M
$1.5B
Total Assets
ATRC
ATRC
CWT
CWT
Q4 25
$654.2M
$5.7B
Q3 25
$635.4M
$5.5B
Q2 25
$608.8M
$5.4B
Q1 25
$591.6M
$5.3B
Q4 24
$609.3M
$5.2B
Q3 24
$615.1M
$5.0B
Q2 24
$597.3M
$4.9B
Q1 24
$591.6M
$4.8B
Debt / Equity
ATRC
ATRC
CWT
CWT
Q4 25
0.87×
Q3 25
0.13×
0.65×
Q2 25
0.13×
0.67×
Q1 25
0.14×
0.68×
Q4 24
0.67×
Q3 24
0.13×
Q2 24
0.13×
Q1 24
0.14×

Cash Flow & Capital Efficiency

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

Metric
ATRC
ATRC
CWT
CWT
Operating Cash FlowLast quarter
$20.0M
$47.9M
Free Cash FlowOCF − Capex
$18.4M
FCF MarginFCF / Revenue
13.1%
Capex IntensityCapex / Revenue
1.1%
Cash ConversionOCF / Net Profit
4.17×
TTM Free Cash FlowTrailing 4 quarters
$48.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATRC
ATRC
CWT
CWT
Q4 25
$20.0M
$47.9M
Q3 25
$26.7M
$167.3M
Q2 25
$21.6M
$48.9M
Q1 25
$-11.0M
$38.4M
Q4 24
$5.8M
$68.1M
Q3 24
$20.0M
$101.8M
Q2 24
$7.4M
$94.4M
Q1 24
$-21.0M
$26.5M
Free Cash Flow
ATRC
ATRC
CWT
CWT
Q4 25
$18.4M
Q3 25
$24.1M
Q2 25
$19.0M
Q1 25
$-13.2M
Q4 24
$3.1M
Q3 24
$16.4M
Q2 24
$5.0M
Q1 24
$-23.8M
FCF Margin
ATRC
ATRC
CWT
CWT
Q4 25
13.1%
Q3 25
18.0%
Q2 25
13.9%
Q1 25
-10.7%
Q4 24
2.5%
Q3 24
14.1%
Q2 24
4.3%
Q1 24
-21.9%
Capex Intensity
ATRC
ATRC
CWT
CWT
Q4 25
1.1%
Q3 25
1.9%
Q2 25
2.0%
Q1 25
1.8%
Q4 24
2.2%
Q3 24
3.1%
Q2 24
2.1%
Q1 24
2.5%
Cash Conversion
ATRC
ATRC
CWT
CWT
Q4 25
4.17×
Q3 25
2.73×
Q2 25
1.16×
Q1 25
2.88×
Q4 24
3.50×
Q3 24
1.68×
Q2 24
2.33×
Q1 24
0.38×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ATRC
ATRC

Appendage Management$45.5M32%
Openheart$38.5M27%
Other$26.2M19%
Pain Management$22.6M16%
Minimally Invasive$7.7M6%

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%

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