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Side-by-side financial comparison of CALIFORNIA WATER SERVICE GROUP (CWT) and Ultragenyx Pharmaceutical Inc. (RARE). 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 $207.3M, roughly 1.0× Ultragenyx Pharmaceutical Inc.). CALIFORNIA WATER SERVICE GROUP runs the higher net margin — 5.4% vs -62.0%, a 67.5% gap on every dollar of revenue. On growth, Ultragenyx Pharmaceutical Inc. posted the faster year-over-year revenue change (25.9% vs -3.3%). Over the past eight quarters, Ultragenyx Pharmaceutical Inc.'s revenue compounded faster (38.0% CAGR vs 16.6%).

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...

Ultragenyx Pharmaceutical Inc. is an American biopharmaceutical company involved in the research and development of novel products for treatment of rare and ultra-rare genetic diseases for which there are typically no approved treatments and high unmet medical need. The company works with multiple drug modalities including biologics, small molecule, gene therapies, and ASO and mRNAs in the disease categories of bone, endocrine, metabolic, muscle and CNS diseases.

CWT vs RARE — Head-to-Head

Bigger by revenue
CWT
CWT
1.0× larger
CWT
$210.7M
$207.3M
RARE
Growing faster (revenue YoY)
RARE
RARE
+29.2% gap
RARE
25.9%
-3.3%
CWT
Higher net margin
CWT
CWT
67.5% more per $
CWT
5.4%
-62.0%
RARE
Faster 2-yr revenue CAGR
RARE
RARE
Annualised
RARE
38.0%
16.6%
CWT

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CWT
CWT
RARE
RARE
Revenue
$210.7M
$207.3M
Net Profit
$11.5M
$-128.6M
Gross Margin
Operating Margin
12.2%
-54.7%
Net Margin
5.4%
-62.0%
Revenue YoY
-3.3%
25.9%
Net Profit YoY
-41.0%
3.5%
EPS (diluted)
$0.19
$-1.28

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
RARE
RARE
Q4 25
$210.7M
$207.3M
Q3 25
$314.1M
$159.9M
Q2 25
$256.2M
$166.5M
Q1 25
$182.7M
$139.3M
Q4 24
$217.8M
$164.6M
Q3 24
$306.2M
$139.5M
Q2 24
$226.7M
$147.0M
Q1 24
$154.9M
$108.8M
Net Profit
CWT
CWT
RARE
RARE
Q4 25
$11.5M
$-128.6M
Q3 25
$61.2M
$-180.4M
Q2 25
$42.2M
$-115.0M
Q1 25
$13.3M
$-151.1M
Q4 24
$19.5M
$-133.2M
Q3 24
$60.7M
$-133.5M
Q2 24
$40.6M
$-131.6M
Q1 24
$69.9M
$-170.7M
Operating Margin
CWT
CWT
RARE
RARE
Q4 25
12.2%
-54.7%
Q3 25
22.5%
-106.9%
Q2 25
20.2%
-64.8%
Q1 25
12.2%
-102.6%
Q4 24
14.8%
-74.3%
Q3 24
21.8%
-94.6%
Q2 24
21.2%
-79.1%
Q1 24
50.3%
-151.9%
Net Margin
CWT
CWT
RARE
RARE
Q4 25
5.4%
-62.0%
Q3 25
19.5%
-112.8%
Q2 25
16.5%
-69.0%
Q1 25
7.3%
-108.5%
Q4 24
8.9%
-80.9%
Q3 24
19.8%
-95.7%
Q2 24
17.9%
-89.5%
Q1 24
45.1%
-156.8%
EPS (diluted)
CWT
CWT
RARE
RARE
Q4 25
$0.19
$-1.28
Q3 25
$1.03
$-1.81
Q2 25
$0.71
$-1.17
Q1 25
$0.22
$-1.57
Q4 24
$0.31
$-1.34
Q3 24
$1.03
$-1.40
Q2 24
$0.70
$-1.52
Q1 24
$1.21
$-2.03

Balance Sheet & Financial Strength

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

Metric
CWT
CWT
RARE
RARE
Cash + ST InvestmentsLiquidity on hand
$51.8M
$421.0M
Total DebtLower is stronger
$1.5B
Stockholders' EquityBook value
$1.7B
$-80.0M
Total Assets
$5.7B
$1.5B
Debt / EquityLower = less leverage
0.87×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CWT
CWT
RARE
RARE
Q4 25
$51.8M
$421.0M
Q3 25
$76.0M
$202.5M
Q2 25
$50.5M
$176.3M
Q1 25
$44.5M
$127.1M
Q4 24
$50.1M
$174.0M
Q3 24
$59.6M
$150.6M
Q2 24
$37.3M
$480.7M
Q1 24
$42.8M
$112.3M
Total Debt
CWT
CWT
RARE
RARE
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
RARE
RARE
Q4 25
$1.7B
$-80.0M
Q3 25
$1.7B
$9.2M
Q2 25
$1.7B
$151.3M
Q1 25
$1.6B
$144.2M
Q4 24
$1.6B
$255.0M
Q3 24
$1.6B
$346.8M
Q2 24
$1.5B
$432.4M
Q1 24
$1.5B
$140.3M
Total Assets
CWT
CWT
RARE
RARE
Q4 25
$5.7B
$1.5B
Q3 25
$5.5B
$1.2B
Q2 25
$5.4B
$1.3B
Q1 25
$5.3B
$1.3B
Q4 24
$5.2B
$1.5B
Q3 24
$5.0B
$1.5B
Q2 24
$4.9B
$1.6B
Q1 24
$4.8B
$1.3B
Debt / Equity
CWT
CWT
RARE
RARE
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
RARE
RARE
Operating Cash FlowLast quarter
$47.9M
$-99.8M
Free Cash FlowOCF − Capex
$-100.8M
FCF MarginFCF / Revenue
-48.6%
Capex IntensityCapex / Revenue
0.5%
Cash ConversionOCF / Net Profit
4.17×
TTM Free Cash FlowTrailing 4 quarters
$-472.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CWT
CWT
RARE
RARE
Q4 25
$47.9M
$-99.8M
Q3 25
$167.3M
$-91.4M
Q2 25
$48.9M
$-108.3M
Q1 25
$38.4M
$-166.5M
Q4 24
$68.1M
$-79.3M
Q3 24
$101.8M
$-67.0M
Q2 24
$94.4M
$-77.0M
Q1 24
$26.5M
$-190.7M
Free Cash Flow
CWT
CWT
RARE
RARE
Q4 25
$-100.8M
Q3 25
$-92.7M
Q2 25
$-110.7M
Q1 25
$-167.8M
Q4 24
$-79.5M
Q3 24
$-68.6M
Q2 24
$-79.0M
Q1 24
$-193.9M
FCF Margin
CWT
CWT
RARE
RARE
Q4 25
-48.6%
Q3 25
-58.0%
Q2 25
-66.5%
Q1 25
-120.5%
Q4 24
-48.3%
Q3 24
-49.2%
Q2 24
-53.7%
Q1 24
-178.2%
Capex Intensity
CWT
CWT
RARE
RARE
Q4 25
0.5%
Q3 25
0.8%
Q2 25
1.5%
Q1 25
1.0%
Q4 24
0.1%
Q3 24
1.2%
Q2 24
1.4%
Q1 24
3.0%
Cash Conversion
CWT
CWT
RARE
RARE
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

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%

RARE
RARE

Royalty$105.6M51%
Products$101.7M49%

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