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Side-by-side financial comparison of PROTHENA CORP PUBLIC LTD CO (PRTA) and Youxin Technology Ltd (YAAS). Click either name above to swap in a different company.

Youxin Technology Ltd is the larger business by last-quarter revenue ($39.4K vs $21.0K, roughly 1.9× PROTHENA CORP PUBLIC LTD CO).

Prothena Corporation plc is a late-stage clinical biotechnology firm focused on developing and commercializing innovative antibody therapies for neurodegenerative disorders, rare diseases and immune-related conditions. Its core pipeline targets unmet medical needs including amyloidosis, Parkinson's and Alzheimer's, serving key markets across North America, Europe and the Asia-Pacific.

Youxin Technology Ltd is a China-based automotive digital service provider. It operates used car trading platforms, offers new car sales support, auto financing referrals, and after-sales resource matching for consumers and auto industry participants across mainland China, focusing on optimizing vehicle transaction efficiency.

PRTA vs YAAS — Head-to-Head

Bigger by revenue
YAAS
YAAS
1.9× larger
YAAS
$39.4K
$21.0K
PRTA

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
PRTA
PRTA
YAAS
YAAS
Revenue
$21.0K
$39.4K
Net Profit
$-127.9K
Gross Margin
67.9%
Operating Margin
Net Margin
-324.8%
Revenue YoY
-99.0%
Net Profit YoY
62.7%
EPS (diluted)

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
PRTA
PRTA
YAAS
YAAS
Q4 25
$21.0K
Q3 25
$2.4M
Q2 25
$4.4M
$39.4K
Q1 25
$2.8M
Q4 24
$2.1M
Q3 24
$970.0K
Q2 24
$132.0M
Q1 24
$50.0K
Net Profit
PRTA
PRTA
YAAS
YAAS
Q4 25
Q3 25
$-36.5M
Q2 25
$-125.8M
$-127.9K
Q1 25
$-60.2M
Q4 24
Q3 24
$-59.0M
Q2 24
$66.9M
Q1 24
$-72.2M
Gross Margin
PRTA
PRTA
YAAS
YAAS
Q4 25
Q3 25
Q2 25
67.9%
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Operating Margin
PRTA
PRTA
YAAS
YAAS
Q4 25
Q3 25
-1666.3%
Q2 25
-1914.4%
Q1 25
-2319.0%
Q4 24
Q3 24
-6857.0%
Q2 24
44.2%
Q1 24
-163056.0%
Net Margin
PRTA
PRTA
YAAS
YAAS
Q4 25
Q3 25
-1513.1%
Q2 25
-2845.4%
-324.8%
Q1 25
-2128.5%
Q4 24
Q3 24
-6082.6%
Q2 24
50.7%
Q1 24
-144478.0%
EPS (diluted)
PRTA
PRTA
YAAS
YAAS
Q4 25
Q3 25
$-0.68
Q2 25
$-2.34
Q1 25
$-1.12
Q4 24
Q3 24
$-1.10
Q2 24
$1.22
Q1 24
$-1.34

Balance Sheet & Financial Strength

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

Metric
PRTA
PRTA
YAAS
YAAS
Cash + ST InvestmentsLiquidity on hand
$307.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$280.5M
$-374.6K
Total Assets
$326.8M
$132.2K
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PRTA
PRTA
YAAS
YAAS
Q4 25
$307.5M
Q3 25
$330.8M
Q2 25
$371.4M
Q1 25
$417.9M
Q4 24
$471.4M
Q3 24
$519.3M
Q2 24
$564.1M
Q1 24
$546.5M
Stockholders' Equity
PRTA
PRTA
YAAS
YAAS
Q4 25
$280.5M
Q3 25
$295.0M
Q2 25
$324.3M
$-374.6K
Q1 25
$437.7M
Q4 24
$486.9M
Q3 24
$534.4M
Q2 24
$581.9M
Q1 24
$502.4M
Total Assets
PRTA
PRTA
YAAS
YAAS
Q4 25
$326.8M
Q3 25
$352.6M
Q2 25
$399.1M
$132.2K
Q1 25
$495.3M
Q4 24
$547.1M
Q3 24
$595.3M
Q2 24
$645.6M
Q1 24
$623.2M

Cash Flow & Capital Efficiency

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

Metric
PRTA
PRTA
YAAS
YAAS
Operating Cash FlowLast quarter
$-163.6M
$-88.6K
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PRTA
PRTA
YAAS
YAAS
Q4 25
$-163.6M
Q3 25
$-40.6M
Q2 25
$-46.3M
$-88.6K
Q1 25
$-53.4M
Q4 24
$-150.1M
Q3 24
$-45.2M
Q2 24
$16.0M
Q1 24
$-73.1M
Cash Conversion
PRTA
PRTA
YAAS
YAAS
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
0.24×
Q1 24

Financial Flow Comparison

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

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