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Side-by-side financial comparison of ECARX Holdings Inc. (ECX) and PTC THERAPEUTICS, INC. (PTCT). Click either name above to swap in a different company.

ECARX Holdings Inc. is the larger business by last-quarter revenue ($323.3M vs $164.7M, roughly 2.0× PTC THERAPEUTICS, INC.). ECARX Holdings Inc. runs the higher net margin — -21.4% vs -82.0%, a 60.6% gap on every dollar of revenue. On growth, ECARX Holdings Inc. posted the faster year-over-year revenue change (6.5% vs -22.7%). PTC THERAPEUTICS, INC. produced more free cash flow last quarter ($-36.6M vs $-86.5M).

ECARX Holdings Inc. is a global mobility technology provider specializing in integrated smart vehicle solutions, including in-vehicle infotainment systems, advanced driver assistance technologies, and connected car cloud services. It primarily partners with automotive manufacturers across the world, with a strong operational presence in the Chinese and European markets.

PTC Therapeutics, Inc. is a US pharmaceutical company focused on the development of orally administered small molecule drugs and gene therapy which regulate gene expression by targeting post-transcriptional control (PTC) mechanisms in orphan diseases.

ECX vs PTCT — Head-to-Head

Bigger by revenue
ECX
ECX
2.0× larger
ECX
$323.3M
$164.7M
PTCT
Growing faster (revenue YoY)
ECX
ECX
+29.3% gap
ECX
6.5%
-22.7%
PTCT
Higher net margin
ECX
ECX
60.6% more per $
ECX
-21.4%
-82.0%
PTCT
More free cash flow
PTCT
PTCT
$49.8M more FCF
PTCT
$-36.6M
$-86.5M
ECX

Income Statement — Q2 FY2025 vs Q4 FY2025

Metric
ECX
ECX
PTCT
PTCT
Revenue
$323.3M
$164.7M
Net Profit
$-69.1M
$-135.0M
Gross Margin
15.5%
Operating Margin
-20.2%
-43.3%
Net Margin
-21.4%
-82.0%
Revenue YoY
6.5%
-22.7%
Net Profit YoY
12.8%
-104.8%
EPS (diluted)
$-0.20
$-1.63

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
ECX
ECX
PTCT
PTCT
Q4 25
$164.7M
Q3 25
$211.0M
Q2 25
$323.3M
$178.9M
Q1 25
$1.2B
Q4 24
$213.2M
Q3 24
$196.8M
Q2 24
$303.5M
$186.7M
Q1 24
$210.1M
Net Profit
ECX
ECX
PTCT
PTCT
Q4 25
$-135.0M
Q3 25
$15.9M
Q2 25
$-69.1M
$-64.8M
Q1 25
$866.6M
Q4 24
$-65.9M
Q3 24
$-106.7M
Q2 24
$-79.2M
$-99.2M
Q1 24
$-91.6M
Gross Margin
ECX
ECX
PTCT
PTCT
Q4 25
Q3 25
Q2 25
15.5%
Q1 25
Q4 24
Q3 24
Q2 24
22.6%
Q1 24
Operating Margin
ECX
ECX
PTCT
PTCT
Q4 25
-43.3%
Q3 25
1.4%
Q2 25
-20.2%
-19.5%
Q1 25
82.5%
Q4 24
-76.2%
Q3 24
-27.7%
Q2 24
-22.2%
-21.5%
Q1 24
-21.6%
Net Margin
ECX
ECX
PTCT
PTCT
Q4 25
-82.0%
Q3 25
7.5%
Q2 25
-21.4%
-36.3%
Q1 25
73.7%
Q4 24
-30.9%
Q3 24
-54.2%
Q2 24
-26.1%
-53.1%
Q1 24
-43.6%
EPS (diluted)
ECX
ECX
PTCT
PTCT
Q4 25
$-1.63
Q3 25
$0.20
Q2 25
$-0.20
$-0.83
Q1 25
$10.04
Q4 24
$-0.85
Q3 24
$-1.39
Q2 24
$-0.23
$-1.29
Q1 24
$-1.20

Balance Sheet & Financial Strength

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

Metric
ECX
ECX
PTCT
PTCT
Cash + ST InvestmentsLiquidity on hand
$86.2M
$1.9B
Total DebtLower is stronger
Stockholders' EquityBook value
$-293.7M
$-205.3M
Total Assets
$494.9M
$2.9B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ECX
ECX
PTCT
PTCT
Q4 25
$1.9B
Q3 25
$1.7B
Q2 25
$86.2M
$2.0B
Q1 25
$2.0B
Q4 24
$1.1B
Q3 24
$1.0B
Q2 24
$108.4M
$1.1B
Q1 24
$884.8M
Stockholders' Equity
ECX
ECX
PTCT
PTCT
Q4 25
$-205.3M
Q3 25
$-155.8M
Q2 25
$-293.7M
$-206.5M
Q1 25
$-185.8M
Q4 24
$-1.1B
Q3 24
$-1.1B
Q2 24
$-198.5M
$-980.2M
Q1 24
$-893.9M
Total Assets
ECX
ECX
PTCT
PTCT
Q4 25
$2.9B
Q3 25
$2.6B
Q2 25
$494.9M
$2.6B
Q1 25
$2.7B
Q4 24
$1.7B
Q3 24
$1.8B
Q2 24
$555.0M
$1.9B
Q1 24
$1.8B

Cash Flow & Capital Efficiency

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

Metric
ECX
ECX
PTCT
PTCT
Operating Cash FlowLast quarter
$-82.0M
$-34.3M
Free Cash FlowOCF − Capex
$-86.5M
$-36.6M
FCF MarginFCF / Revenue
-26.7%
-22.3%
Capex IntensityCapex / Revenue
1.4%
1.4%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$702.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ECX
ECX
PTCT
PTCT
Q4 25
$-34.3M
Q3 25
$-66.3M
Q2 25
$-82.0M
$-58.3M
Q1 25
$870.1M
Q4 24
$-30.0M
Q3 24
$-77.0M
Q2 24
$-57.1M
$-71.5M
Q1 24
$70.8M
Free Cash Flow
ECX
ECX
PTCT
PTCT
Q4 25
$-36.6M
Q3 25
$-69.7M
Q2 25
$-86.5M
$-59.6M
Q1 25
$868.4M
Q4 24
$-33.8M
Q3 24
$-77.5M
Q2 24
$-64.9M
$-78.8M
Q1 24
$61.2M
FCF Margin
ECX
ECX
PTCT
PTCT
Q4 25
-22.3%
Q3 25
-33.1%
Q2 25
-26.7%
-33.3%
Q1 25
73.8%
Q4 24
-15.8%
Q3 24
-39.4%
Q2 24
-21.4%
-42.2%
Q1 24
29.1%
Capex Intensity
ECX
ECX
PTCT
PTCT
Q4 25
1.4%
Q3 25
1.6%
Q2 25
1.4%
0.7%
Q1 25
0.1%
Q4 24
1.8%
Q3 24
0.3%
Q2 24
2.6%
4.0%
Q1 24
4.6%
Cash Conversion
ECX
ECX
PTCT
PTCT
Q4 25
Q3 25
-4.17×
Q2 25
Q1 25
1.00×
Q4 24
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

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