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Side-by-side financial comparison of Eton Pharmaceuticals, Inc. (ETON) and WESTPORT FUEL SYSTEMS INC. (WPRT). Click either name above to swap in a different company.

Eton Pharmaceuticals, Inc. is the larger business by last-quarter revenue ($21.3M vs $12.5M, roughly 1.7× WESTPORT FUEL SYSTEMS INC.). Eton Pharmaceuticals, Inc. runs the higher net margin — 7.0% vs -274.8%, a 281.8% gap on every dollar of revenue. On growth, Eton Pharmaceuticals, Inc. posted the faster year-over-year revenue change (82.7% vs -11.4%). WESTPORT FUEL SYSTEMS INC. produced more free cash flow last quarter ($-6.4M vs $-11.6M).

Eton Pharmaceuticals, Inc. is a specialty pharmaceutical firm focused on developing and commercializing innovative therapies for rare diseases, pediatric care and hospital care segments. It mainly operates in the U.S. market, partnering with medical stakeholders to deliver accessible high-quality treatments to underserved patients.

Westport Innovations is a company that develops alternative fuel, low-emissions technologies to allow engines to operate on clean-burning fuels such as compressed natural gas (CNG), liquefied natural gas (LNG), hydrogen and biofuels such as landfill gas. Headquartered in Vancouver, British Columbia, Canada, where the company was founded, Westport also has facilities in France, Sweden, Italy, China, Australia and the United States.

ETON vs WPRT — Head-to-Head

Bigger by revenue
ETON
ETON
1.7× larger
ETON
$21.3M
$12.5M
WPRT
Growing faster (revenue YoY)
ETON
ETON
+94.1% gap
ETON
82.7%
-11.4%
WPRT
Higher net margin
ETON
ETON
281.8% more per $
ETON
7.0%
-274.8%
WPRT
More free cash flow
WPRT
WPRT
$5.2M more FCF
WPRT
$-6.4M
$-11.6M
ETON

Income Statement — Q4 FY2025 vs Q2 FY2025

Metric
ETON
ETON
WPRT
WPRT
Revenue
$21.3M
$12.5M
Net Profit
$1.5M
$-34.3M
Gross Margin
61.6%
6.7%
Operating Margin
11.6%
-8.1%
Net Margin
7.0%
-274.8%
Revenue YoY
82.7%
-11.4%
Net Profit YoY
348.0%
-690.4%
EPS (diluted)
$-1.98

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
ETON
ETON
WPRT
WPRT
Q4 25
$21.3M
Q3 25
$22.5M
Q2 25
$18.9M
$12.5M
Q1 25
$17.3M
Q4 24
$11.6M
Q3 24
$10.3M
$4.9M
Q2 24
$9.1M
$14.1M
Q1 24
$8.0M
Net Profit
ETON
ETON
WPRT
WPRT
Q4 25
$1.5M
Q3 25
$-1.9M
Q2 25
$-2.6M
$-34.3M
Q1 25
$-1.6M
Q4 24
$-598.0K
Q3 24
$627.0K
$-3.9M
Q2 24
$-3.0M
$5.8M
Q1 24
$-811.0K
Gross Margin
ETON
ETON
WPRT
WPRT
Q4 25
61.6%
Q3 25
35.0%
Q2 25
63.0%
6.7%
Q1 25
57.1%
Q4 24
55.6%
Q3 24
61.0%
13.6%
Q2 24
62.0%
16.7%
Q1 24
62.9%
Operating Margin
ETON
ETON
WPRT
WPRT
Q4 25
11.6%
Q3 25
-6.1%
Q2 25
-7.8%
-8.1%
Q1 25
-2.7%
Q4 24
5.4%
Q3 24
4.9%
-43.9%
Q2 24
-32.3%
-54.9%
Q1 24
-10.0%
Net Margin
ETON
ETON
WPRT
WPRT
Q4 25
7.0%
Q3 25
-8.6%
Q2 25
-13.7%
-274.8%
Q1 25
-9.1%
Q4 24
-5.1%
Q3 24
6.1%
-79.3%
Q2 24
-33.5%
41.2%
Q1 24
-10.2%
EPS (diluted)
ETON
ETON
WPRT
WPRT
Q4 25
Q3 25
$-0.07
Q2 25
$-1.98
Q1 25
Q4 24
Q3 24
$0.02
$-0.22
Q2 24
$-0.12
$0.34
Q1 24
$-0.03

Balance Sheet & Financial Strength

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

Metric
ETON
ETON
WPRT
WPRT
Cash + ST InvestmentsLiquidity on hand
$25.9M
$6.1M
Total DebtLower is stronger
$977.0K
Stockholders' EquityBook value
$26.2M
$108.9M
Total Assets
$92.1M
$272.1M
Debt / EquityLower = less leverage
0.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ETON
ETON
WPRT
WPRT
Q4 25
$25.9M
Q3 25
$37.1M
Q2 25
$25.4M
$6.1M
Q1 25
$17.4M
Q4 24
$14.9M
Q3 24
$20.3M
Q2 24
$17.7M
Q1 24
$16.7M
Total Debt
ETON
ETON
WPRT
WPRT
Q4 25
Q3 25
Q2 25
$977.0K
Q1 25
$30.0M
Q4 24
$29.8M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
ETON
ETON
WPRT
WPRT
Q4 25
$26.2M
Q3 25
$23.1M
Q2 25
$24.0M
$108.9M
Q1 25
$24.4M
Q4 24
$24.4M
Q3 24
$16.0M
$149.3M
Q2 24
$13.5M
$151.5M
Q1 24
$15.5M
Total Assets
ETON
ETON
WPRT
WPRT
Q4 25
$92.1M
Q3 25
$104.5M
Q2 25
$101.7M
$272.1M
Q1 25
$84.0M
Q4 24
$76.1M
Q3 24
$35.8M
Q2 24
$31.8M
Q1 24
$30.8M
Debt / Equity
ETON
ETON
WPRT
WPRT
Q4 25
Q3 25
Q2 25
0.01×
Q1 25
1.23×
Q4 24
1.22×
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
ETON
ETON
WPRT
WPRT
Operating Cash FlowLast quarter
$-11.6M
$-5.6M
Free Cash FlowOCF − Capex
$-11.6M
$-6.4M
FCF MarginFCF / Revenue
-54.5%
-51.6%
Capex IntensityCapex / Revenue
0.2%
6.6%
Cash ConversionOCF / Net Profit
-7.79×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ETON
ETON
WPRT
WPRT
Q4 25
$-11.6M
Q3 25
$12.0M
Q2 25
$8.0M
$-5.6M
Q1 25
$2.1M
Q4 24
$-765.0K
Q3 24
$3.0M
$-11.7M
Q2 24
$1.3M
$1.5M
Q1 24
$-2.5M
Free Cash Flow
ETON
ETON
WPRT
WPRT
Q4 25
$-11.6M
Q3 25
$11.7M
Q2 25
$-6.4M
Q1 25
Q4 24
$-777.0K
Q3 24
$-11.9M
Q2 24
$262.0K
Q1 24
$-2.5M
FCF Margin
ETON
ETON
WPRT
WPRT
Q4 25
-54.5%
Q3 25
52.3%
Q2 25
-51.6%
Q1 25
Q4 24
-6.7%
Q3 24
-243.4%
Q2 24
1.9%
Q1 24
-31.2%
Capex Intensity
ETON
ETON
WPRT
WPRT
Q4 25
0.2%
Q3 25
1.3%
Q2 25
0.0%
6.6%
Q1 25
0.0%
Q4 24
0.1%
Q3 24
0.0%
3.8%
Q2 24
0.0%
8.9%
Q1 24
0.2%
Cash Conversion
ETON
ETON
WPRT
WPRT
Q4 25
-7.79×
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
4.71×
Q2 24
0.26×
Q1 24

Financial Flow Comparison

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

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