vs

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

Gossamer Bio, Inc. is the larger business by last-quarter revenue ($13.8M vs $12.5M, roughly 1.1× WESTPORT FUEL SYSTEMS INC.). WESTPORT FUEL SYSTEMS INC. runs the higher net margin — -274.8% vs -342.3%, a 67.5% gap on every dollar of revenue. On growth, Gossamer Bio, Inc. posted the faster year-over-year revenue change (47.1% vs -11.4%).

Gossamer Bio, Inc. is a clinical-stage biopharmaceutical company focused on discovering, developing and commercializing novel therapeutics for patients with serious immunology, inflammation and oncology conditions. It advances a pipeline of proprietary product candidates across multiple clinical phases, primarily serving healthcare markets in North America and other global regions.

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.

GOSS vs WPRT — Head-to-Head

Bigger by revenue
GOSS
GOSS
1.1× larger
GOSS
$13.8M
$12.5M
WPRT
Growing faster (revenue YoY)
GOSS
GOSS
+58.5% gap
GOSS
47.1%
-11.4%
WPRT
Higher net margin
WPRT
WPRT
67.5% more per $
WPRT
-274.8%
-342.3%
GOSS

Income Statement — Q4 FY2025 vs Q2 FY2025

Metric
GOSS
GOSS
WPRT
WPRT
Revenue
$13.8M
$12.5M
Net Profit
$-47.2M
$-34.3M
Gross Margin
6.7%
Operating Margin
-333.6%
-8.1%
Net Margin
-342.3%
-274.8%
Revenue YoY
47.1%
-11.4%
Net Profit YoY
-43.0%
-690.4%
EPS (diluted)
$-0.21
$-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
GOSS
GOSS
WPRT
WPRT
Q4 25
$13.8M
Q3 25
$13.3M
Q2 25
$12.5M
Q3 24
$4.9M
Q2 24
$95.8M
$14.1M
Q1 24
$0
Q3 23
$0
Q2 23
$0
Net Profit
GOSS
GOSS
WPRT
WPRT
Q4 25
$-47.2M
Q3 25
$-48.2M
Q2 25
$-34.3M
Q3 24
$-3.9M
Q2 24
$49.2M
$5.8M
Q1 24
$-41.9M
Q3 23
$-40.0M
Q2 23
$-42.5M
Gross Margin
GOSS
GOSS
WPRT
WPRT
Q4 25
Q3 25
Q2 25
6.7%
Q3 24
13.6%
Q2 24
16.7%
Q1 24
Q3 23
Q2 23
Operating Margin
GOSS
GOSS
WPRT
WPRT
Q4 25
-333.6%
Q3 25
-369.4%
Q2 25
-8.1%
Q3 24
-43.9%
Q2 24
54.3%
-54.9%
Q1 24
Q3 23
Q2 23
Net Margin
GOSS
GOSS
WPRT
WPRT
Q4 25
-342.3%
Q3 25
-362.7%
Q2 25
-274.8%
Q3 24
-79.3%
Q2 24
51.4%
41.2%
Q1 24
Q3 23
Q2 23
EPS (diluted)
GOSS
GOSS
WPRT
WPRT
Q4 25
$-0.21
Q3 25
$-0.21
Q2 25
$-1.98
Q3 24
$-0.22
Q2 24
$0.22
$0.34
Q1 24
$-0.19
Q3 23
$-0.21
Q2 23
$-0.45

Balance Sheet & Financial Strength

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

Metric
GOSS
GOSS
WPRT
WPRT
Cash + ST InvestmentsLiquidity on hand
$136.9M
$6.1M
Total DebtLower is stronger
$977.0K
Stockholders' EquityBook value
$-122.8M
$108.9M
Total Assets
$172.2M
$272.1M
Debt / EquityLower = less leverage
0.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
GOSS
GOSS
WPRT
WPRT
Q4 25
$136.9M
Q3 25
$180.2M
Q2 25
$6.1M
Q3 24
Q2 24
$354.5M
Q1 24
$244.4M
Q3 23
$328.9M
Q2 23
$162.1M
Total Debt
GOSS
GOSS
WPRT
WPRT
Q4 25
Q3 25
Q2 25
$977.0K
Q3 24
Q2 24
Q1 24
Q3 23
Q2 23
Stockholders' Equity
GOSS
GOSS
WPRT
WPRT
Q4 25
$-122.8M
Q3 25
$-82.3M
Q2 25
$108.9M
Q3 24
$149.3M
Q2 24
$81.5M
$151.5M
Q1 24
$26.7M
Q3 23
$104.6M
Q2 23
$-62.8M
Total Assets
GOSS
GOSS
WPRT
WPRT
Q4 25
$172.2M
Q3 25
$208.8M
Q2 25
$272.1M
Q3 24
Q2 24
$373.4M
Q1 24
$259.4M
Q3 23
$347.9M
Q2 23
$181.7M
Debt / Equity
GOSS
GOSS
WPRT
WPRT
Q4 25
Q3 25
Q2 25
0.01×
Q3 24
Q2 24
Q1 24
Q3 23
Q2 23

Cash Flow & Capital Efficiency

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

Metric
GOSS
GOSS
WPRT
WPRT
Operating Cash FlowLast quarter
$-48.3M
$-5.6M
Free Cash FlowOCF − Capex
$-6.4M
FCF MarginFCF / Revenue
-51.6%
Capex IntensityCapex / Revenue
0.0%
6.6%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
GOSS
GOSS
WPRT
WPRT
Q4 25
$-48.3M
Q3 25
$-36.2M
Q2 25
$-5.6M
Q3 24
$-11.7M
Q2 24
$116.3M
$1.5M
Q1 24
$-52.3M
Q3 23
$-34.5M
Q2 23
$-38.3M
Free Cash Flow
GOSS
GOSS
WPRT
WPRT
Q4 25
Q3 25
Q2 25
$-6.4M
Q3 24
$-11.9M
Q2 24
$262.0K
Q1 24
Q3 23
Q2 23
FCF Margin
GOSS
GOSS
WPRT
WPRT
Q4 25
Q3 25
Q2 25
-51.6%
Q3 24
-243.4%
Q2 24
1.9%
Q1 24
Q3 23
Q2 23
Capex Intensity
GOSS
GOSS
WPRT
WPRT
Q4 25
0.0%
Q3 25
0.0%
Q2 25
6.6%
Q3 24
3.8%
Q2 24
0.0%
8.9%
Q1 24
Q3 23
Q2 23
Cash Conversion
GOSS
GOSS
WPRT
WPRT
Q4 25
Q3 25
Q2 25
Q3 24
Q2 24
2.36×
0.26×
Q1 24
Q3 23
Q2 23

Financial Flow Comparison

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

Related Comparisons