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Side-by-side financial comparison of KOPIN CORP (KOPN) and WESTPORT FUEL SYSTEMS INC. (WPRT). Click either name above to swap in a different company.

WESTPORT FUEL SYSTEMS INC. is the larger business by last-quarter revenue ($12.5M vs $8.4M, roughly 1.5× KOPIN CORP). KOPIN CORP runs the higher net margin — 81.3% vs -274.8%, a 356.1% gap on every dollar of revenue. On growth, WESTPORT FUEL SYSTEMS INC. posted the faster year-over-year revenue change (-11.4% vs -42.9%).

The Kopin Corporation is a Westborough, Massachusetts-based electronics manufacturer, best known for its microdisplay devices and application specific optical solutions for defense, enterprise, medical and consumer mobile electronics.

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.

KOPN vs WPRT — Head-to-Head

Bigger by revenue
WPRT
WPRT
1.5× larger
WPRT
$12.5M
$8.4M
KOPN
Growing faster (revenue YoY)
WPRT
WPRT
+31.4% gap
WPRT
-11.4%
-42.9%
KOPN
Higher net margin
KOPN
KOPN
356.1% more per $
KOPN
81.3%
-274.8%
WPRT

Income Statement — Q4 FY2025 vs Q2 FY2025

Metric
KOPN
KOPN
WPRT
WPRT
Revenue
$8.4M
$12.5M
Net Profit
$6.8M
$-34.3M
Gross Margin
6.7%
Operating Margin
-60.0%
-8.1%
Net Margin
81.3%
-274.8%
Revenue YoY
-42.9%
-11.4%
Net Profit YoY
449.5%
-690.4%
EPS (diluted)
$0.04
$-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
KOPN
KOPN
WPRT
WPRT
Q4 25
$8.4M
Q3 25
$12.0M
Q2 25
$8.5M
$12.5M
Q1 25
$10.5M
Q4 24
$14.6M
Q3 24
$13.3M
$4.9M
Q2 24
$12.3M
$14.1M
Q1 24
$10.0M
Net Profit
KOPN
KOPN
WPRT
WPRT
Q4 25
$6.8M
Q3 25
$4.1M
Q2 25
$-5.2M
$-34.3M
Q1 25
$-3.1M
Q4 24
$-1.9M
Q3 24
$-3.5M
$-3.9M
Q2 24
$-5.9M
$5.8M
Q1 24
$-32.5M
Gross Margin
KOPN
KOPN
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
KOPN
KOPN
WPRT
WPRT
Q4 25
-60.0%
Q3 25
37.9%
Q2 25
-64.6%
-8.1%
Q1 25
-37.1%
Q4 24
-15.1%
Q3 24
-21.0%
-43.9%
Q2 24
-44.2%
-54.9%
Q1 24
-325.4%
Net Margin
KOPN
KOPN
WPRT
WPRT
Q4 25
81.3%
Q3 25
34.1%
Q2 25
-61.1%
-274.8%
Q1 25
-29.5%
Q4 24
-13.3%
Q3 24
-26.0%
-79.3%
Q2 24
-48.0%
41.2%
Q1 24
-324.4%
EPS (diluted)
KOPN
KOPN
WPRT
WPRT
Q4 25
$0.04
Q3 25
$0.02
Q2 25
$-0.03
$-1.98
Q1 25
$-0.02
Q4 24
$0.02
Q3 24
$-0.03
$-0.22
Q2 24
$-0.05
$0.34
Q1 24
$-0.27

Balance Sheet & Financial Strength

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

Metric
KOPN
KOPN
WPRT
WPRT
Cash + ST InvestmentsLiquidity on hand
$36.4M
$6.1M
Total DebtLower is stronger
$977.0K
Stockholders' EquityBook value
$64.1M
$108.9M
Total Assets
$108.4M
$272.1M
Debt / EquityLower = less leverage
0.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
KOPN
KOPN
WPRT
WPRT
Q4 25
$36.4M
Q3 25
$26.5M
Q2 25
$26.8M
$6.1M
Q1 25
$31.5M
Q4 24
$35.6M
Q3 24
$36.2M
Q2 24
$17.6M
Q1 24
$21.1M
Total Debt
KOPN
KOPN
WPRT
WPRT
Q4 25
Q3 25
Q2 25
$977.0K
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
KOPN
KOPN
WPRT
WPRT
Q4 25
$64.1M
Q3 25
$21.3M
Q2 25
$16.0M
$108.9M
Q1 25
$20.7M
Q4 24
$23.3M
Q3 24
$22.7M
$149.3M
Q2 24
$-216.3K
$151.5M
Q1 24
$4.9M
Total Assets
KOPN
KOPN
WPRT
WPRT
Q4 25
$108.4M
Q3 25
$61.2M
Q2 25
$61.2M
$272.1M
Q1 25
$65.0M
Q4 24
$70.8M
Q3 24
$70.6M
Q2 24
$49.0M
Q1 24
$51.3M
Debt / Equity
KOPN
KOPN
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
KOPN
KOPN
WPRT
WPRT
Operating Cash FlowLast quarter
$-7.9M
$-5.6M
Free Cash FlowOCF − Capex
$-6.4M
FCF MarginFCF / Revenue
-51.6%
Capex IntensityCapex / Revenue
6.6%
Cash ConversionOCF / Net Profit
-1.15×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
KOPN
KOPN
WPRT
WPRT
Q4 25
$-7.9M
Q3 25
$-110.4K
Q2 25
$-4.2M
$-5.6M
Q1 25
$-3.4M
Q4 24
$-1.6M
Q3 24
$-6.5M
$-11.7M
Q2 24
$-3.1M
$1.5M
Q1 24
$-3.1M
Free Cash Flow
KOPN
KOPN
WPRT
WPRT
Q4 25
Q3 25
Q2 25
$-4.9M
$-6.4M
Q1 25
$-3.9M
Q4 24
$-2.1M
Q3 24
$-6.5M
$-11.9M
Q2 24
$-3.1M
$262.0K
Q1 24
$-3.4M
FCF Margin
KOPN
KOPN
WPRT
WPRT
Q4 25
Q3 25
Q2 25
-57.9%
-51.6%
Q1 25
-37.1%
Q4 24
-14.2%
Q3 24
-48.6%
-243.4%
Q2 24
-25.5%
1.9%
Q1 24
-33.4%
Capex Intensity
KOPN
KOPN
WPRT
WPRT
Q4 25
Q3 25
Q2 25
8.7%
6.6%
Q1 25
4.7%
Q4 24
3.4%
Q3 24
0.1%
3.8%
Q2 24
0.5%
8.9%
Q1 24
2.4%
Cash Conversion
KOPN
KOPN
WPRT
WPRT
Q4 25
-1.15×
Q3 25
-0.03×
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
0.26×
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

KOPN
KOPN

Net Product Revenues$5.6M67%
Other$2.7M33%

WPRT
WPRT

Segment breakdown not available.

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