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Side-by-side financial comparison of InflaRx N.V. (IFRX) and PROTHENA CORP PUBLIC LTD CO (PRTA). Click either name above to swap in a different company.

InflaRx N.V. is the larger business by last-quarter revenue ($25.7K vs $21.0K, roughly 1.2× PROTHENA CORP PUBLIC LTD CO).

InflaRx N.V. is a clinical-stage biopharmaceutical company specializing in the development of novel anti-inflammatory therapies targeting the complement C5a pathway. Its pipeline addresses unmet medical needs for severe inflammatory diseases including autoimmune and rare inflammatory disorders, serving global patient populations.

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.

IFRX vs PRTA — Head-to-Head

Bigger by revenue
IFRX
IFRX
1.2× larger
IFRX
$25.7K
$21.0K
PRTA

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
IFRX
IFRX
PRTA
PRTA
Revenue
$25.7K
$21.0K
Net Profit
Gross Margin
98.6%
Operating Margin
Net Margin
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
IFRX
IFRX
PRTA
PRTA
Q4 25
$21.0K
Q3 25
$25.7K
$2.4M
Q2 25
$42.6K
$4.4M
Q1 25
$2.8M
Q4 24
$2.1M
Q3 24
$970.0K
Q2 24
$6.9K
$132.0M
Q1 24
$50.0K
Net Profit
IFRX
IFRX
PRTA
PRTA
Q4 25
Q3 25
$-36.5M
Q2 25
$-15.6M
$-125.8M
Q1 25
$-60.2M
Q4 24
Q3 24
$-59.0M
Q2 24
$-15.0M
$66.9M
Q1 24
$-72.2M
Gross Margin
IFRX
IFRX
PRTA
PRTA
Q4 25
Q3 25
98.6%
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Operating Margin
IFRX
IFRX
PRTA
PRTA
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
IFRX
IFRX
PRTA
PRTA
Q4 25
Q3 25
-1513.1%
Q2 25
-36559.8%
-2845.4%
Q1 25
-2128.5%
Q4 24
Q3 24
-6082.6%
Q2 24
-217803.1%
50.7%
Q1 24
-144478.0%
EPS (diluted)
IFRX
IFRX
PRTA
PRTA
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
IFRX
IFRX
PRTA
PRTA
Cash + ST InvestmentsLiquidity on hand
$307.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$280.5M
Total Assets
$326.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IFRX
IFRX
PRTA
PRTA
Q4 25
$307.5M
Q3 25
$330.8M
Q2 25
$14.0M
$371.4M
Q1 25
$417.9M
Q4 24
$471.4M
Q3 24
$519.3M
Q2 24
$20.7M
$564.1M
Q1 24
$546.5M
Stockholders' Equity
IFRX
IFRX
PRTA
PRTA
Q4 25
$280.5M
Q3 25
$295.0M
Q2 25
$61.6M
$324.3M
Q1 25
$437.7M
Q4 24
$486.9M
Q3 24
$534.4M
Q2 24
$88.7M
$581.9M
Q1 24
$502.4M
Total Assets
IFRX
IFRX
PRTA
PRTA
Q4 25
$326.8M
Q3 25
$352.6M
Q2 25
$79.3M
$399.1M
Q1 25
$495.3M
Q4 24
$547.1M
Q3 24
$595.3M
Q2 24
$100.5M
$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
IFRX
IFRX
PRTA
PRTA
Operating Cash FlowLast quarter
$-33.1M
$-163.6M
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
IFRX
IFRX
PRTA
PRTA
Q4 25
$-163.6M
Q3 25
$-33.1M
$-40.6M
Q2 25
$-46.3M
Q1 25
$-53.4M
Q4 24
$-150.1M
Q3 24
$-45.2M
Q2 24
$-29.2M
$16.0M
Q1 24
$-73.1M
Cash Conversion
IFRX
IFRX
PRTA
PRTA
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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