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Side-by-side financial comparison of Epsilon Energy Ltd. (EPSN) and WESTPORT FUEL SYSTEMS INC. (WPRT). Click either name above to swap in a different company.

Epsilon Energy Ltd. is the larger business by last-quarter revenue ($14.8M vs $12.5M, roughly 1.2× WESTPORT FUEL SYSTEMS INC.). Epsilon Energy Ltd. runs the higher net margin — -83.9% vs -274.8%, a 190.9% gap on every dollar of revenue. On growth, Epsilon Energy Ltd. posted the faster year-over-year revenue change (65.7% vs -11.4%).

Epsilon Composite is a French company created in 1987 by Stephane LULL, its current CEO. The company was founded in January 1987. Its production site is located in Gaillan, France. Stéphane Lull is the CEO.

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.

EPSN vs WPRT — Head-to-Head

Bigger by revenue
EPSN
EPSN
1.2× larger
EPSN
$14.8M
$12.5M
WPRT
Growing faster (revenue YoY)
EPSN
EPSN
+77.2% gap
EPSN
65.7%
-11.4%
WPRT
Higher net margin
EPSN
EPSN
190.9% more per $
EPSN
-83.9%
-274.8%
WPRT

Income Statement — Q4 FY2025 vs Q2 FY2025

Metric
EPSN
EPSN
WPRT
WPRT
Revenue
$14.8M
$12.5M
Net Profit
$-12.4M
$-34.3M
Gross Margin
6.7%
Operating Margin
-129.0%
-8.1%
Net Margin
-83.9%
-274.8%
Revenue YoY
65.7%
-11.4%
Net Profit YoY
-1535.0%
-690.4%
EPS (diluted)
$-0.55
$-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
EPSN
EPSN
WPRT
WPRT
Q4 25
$14.8M
Q3 25
$9.0M
Q2 25
$11.6M
$12.5M
Q1 25
$16.2M
Q4 24
$8.9M
Q3 24
$7.3M
$4.9M
Q2 24
$7.3M
$14.1M
Q1 24
$8.0M
Net Profit
EPSN
EPSN
WPRT
WPRT
Q4 25
$-12.4M
Q3 25
$1.1M
Q2 25
$1.6M
$-34.3M
Q1 25
$4.0M
Q4 24
$-760.8K
Q3 24
$366.0K
$-3.9M
Q2 24
$815.7K
$5.8M
Q1 24
$1.5M
Gross Margin
EPSN
EPSN
WPRT
WPRT
Q4 25
Q3 25
Q2 25
6.7%
Q1 25
Q4 24
Q3 24
13.6%
Q2 24
16.7%
Q1 24
Operating Margin
EPSN
EPSN
WPRT
WPRT
Q4 25
-129.0%
Q3 25
6.7%
Q2 25
7.1%
-8.1%
Q1 25
44.3%
Q4 24
6.8%
Q3 24
3.3%
-43.9%
Q2 24
16.0%
-54.9%
Q1 24
17.6%
Net Margin
EPSN
EPSN
WPRT
WPRT
Q4 25
-83.9%
Q3 25
11.9%
Q2 25
13.3%
-274.8%
Q1 25
24.8%
Q4 24
-8.5%
Q3 24
5.0%
-79.3%
Q2 24
11.2%
41.2%
Q1 24
18.9%
EPS (diluted)
EPSN
EPSN
WPRT
WPRT
Q4 25
$-0.55
Q3 25
$0.05
Q2 25
$0.07
$-1.98
Q1 25
$0.18
Q4 24
$-0.04
Q3 24
$0.02
$-0.22
Q2 24
$0.04
$0.34
Q1 24
$0.07

Balance Sheet & Financial Strength

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

Metric
EPSN
EPSN
WPRT
WPRT
Cash + ST InvestmentsLiquidity on hand
$9.0M
$6.1M
Total DebtLower is stronger
$977.0K
Stockholders' EquityBook value
$124.7M
$108.9M
Total Assets
$228.2M
$272.1M
Debt / EquityLower = less leverage
0.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
EPSN
EPSN
WPRT
WPRT
Q4 25
$9.0M
Q3 25
$12.8M
Q2 25
$9.9M
$6.1M
Q1 25
$6.9M
Q4 24
$6.5M
Q3 24
$8.3M
Q2 24
$8.6M
Q1 24
$2.3M
Total Debt
EPSN
EPSN
WPRT
WPRT
Q4 25
Q3 25
Q2 25
$977.0K
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
EPSN
EPSN
WPRT
WPRT
Q4 25
$124.7M
Q3 25
$100.2M
Q2 25
$100.2M
$108.9M
Q1 25
$99.7M
Q4 24
$96.7M
Q3 24
$98.4M
$149.3M
Q2 24
$99.6M
$151.5M
Q1 24
$99.9M
Total Assets
EPSN
EPSN
WPRT
WPRT
Q4 25
$228.2M
Q3 25
$126.3M
Q2 25
$123.6M
$272.1M
Q1 25
$125.5M
Q4 24
$120.5M
Q3 24
$121.8M
Q2 24
$121.1M
Q1 24
$125.1M
Debt / Equity
EPSN
EPSN
WPRT
WPRT
Q4 25
Q3 25
Q2 25
0.01×
Q1 25
Q4 24
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
EPSN
EPSN
WPRT
WPRT
Operating Cash FlowLast quarter
$-277.0K
$-5.6M
Free Cash FlowOCF − Capex
$-6.4M
FCF MarginFCF / Revenue
-51.6%
Capex IntensityCapex / Revenue
6.6%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
EPSN
EPSN
WPRT
WPRT
Q4 25
$-277.0K
Q3 25
$4.0M
Q2 25
$8.3M
$-5.6M
Q1 25
$8.6M
Q4 24
$5.0M
Q3 24
$2.7M
$-11.7M
Q2 24
$5.4M
$1.5M
Q1 24
$3.7M
Free Cash Flow
EPSN
EPSN
WPRT
WPRT
Q4 25
Q3 25
Q2 25
$-6.4M
Q1 25
Q4 24
Q3 24
$-11.9M
Q2 24
$262.0K
Q1 24
FCF Margin
EPSN
EPSN
WPRT
WPRT
Q4 25
Q3 25
Q2 25
-51.6%
Q1 25
Q4 24
Q3 24
-243.4%
Q2 24
1.9%
Q1 24
Capex Intensity
EPSN
EPSN
WPRT
WPRT
Q4 25
Q3 25
Q2 25
6.6%
Q1 25
Q4 24
Q3 24
3.8%
Q2 24
8.9%
Q1 24
Cash Conversion
EPSN
EPSN
WPRT
WPRT
Q4 25
Q3 25
3.70×
Q2 25
5.38×
Q1 25
2.14×
Q4 24
Q3 24
7.50×
Q2 24
6.60×
0.26×
Q1 24
2.45×

Financial Flow Comparison

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

Revenue Breakdown by Segment

EPSN
EPSN

Gas Oil Ngls And Condensate$13.3M90%
Gas Gathering And Compression$1.5M10%

WPRT
WPRT

Segment breakdown not available.

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