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Side-by-side financial comparison of Candel Therapeutics, Inc. (CADL) and PROTHENA CORP PUBLIC LTD CO (PRTA). Click either name above to swap in a different company.

Candel Therapeutics, Inc. is the larger business by last-quarter revenue ($102.0K vs $21.0K, roughly 4.9× PROTHENA CORP PUBLIC LTD CO). On growth, Candel Therapeutics, Inc. posted the faster year-over-year revenue change (229.0% vs -99.0%).

Candel Therapeutics, Inc. is a clinical-stage biotechnology company specializing in developing oncolytic immunotherapies for cancer treatment. Its product pipeline covers solid tumors and hematological malignancies, serving global oncology markets and addressing unmet medical needs for patients with limited treatment options.

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.

CADL vs PRTA — Head-to-Head

Bigger by revenue
CADL
CADL
4.9× larger
CADL
$102.0K
$21.0K
PRTA
Growing faster (revenue YoY)
CADL
CADL
+328.0% gap
CADL
229.0%
-99.0%
PRTA

Income Statement — Q1 FY2023 vs Q4 FY2025

Metric
CADL
CADL
PRTA
PRTA
Revenue
$102.0K
$21.0K
Net Profit
$-8.8M
Gross Margin
Operating Margin
-9444.1%
Net Margin
-8622.5%
Revenue YoY
229.0%
-99.0%
Net Profit YoY
-906.3%
62.7%
EPS (diluted)
$-0.30

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
CADL
CADL
PRTA
PRTA
Q4 25
$21.0K
Q3 25
$2.4M
Q2 25
$4.4M
Q1 25
$2.8M
Q4 24
$2.1M
Q3 24
$970.0K
Q2 24
$132.0M
Q1 24
$50.0K
Net Profit
CADL
CADL
PRTA
PRTA
Q4 25
Q3 25
$-36.5M
Q2 25
$-125.8M
Q1 25
$-60.2M
Q4 24
Q3 24
$-59.0M
Q2 24
$66.9M
Q1 24
$-72.2M
Operating Margin
CADL
CADL
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
CADL
CADL
PRTA
PRTA
Q4 25
Q3 25
-1513.1%
Q2 25
-2845.4%
Q1 25
-2128.5%
Q4 24
Q3 24
-6082.6%
Q2 24
50.7%
Q1 24
-144478.0%
EPS (diluted)
CADL
CADL
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
CADL
CADL
PRTA
PRTA
Cash + ST InvestmentsLiquidity on hand
$59.3M
$307.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$39.7M
$280.5M
Total Assets
$67.2M
$326.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CADL
CADL
PRTA
PRTA
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
CADL
CADL
PRTA
PRTA
Q4 25
$280.5M
Q3 25
$295.0M
Q2 25
$324.3M
Q1 25
$437.7M
Q4 24
$486.9M
Q3 24
$534.4M
Q2 24
$581.9M
Q1 24
$502.4M
Total Assets
CADL
CADL
PRTA
PRTA
Q4 25
$326.8M
Q3 25
$352.6M
Q2 25
$399.1M
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
CADL
CADL
PRTA
PRTA
Operating Cash FlowLast quarter
$-10.8M
$-163.6M
Free Cash FlowOCF − Capex
$-11.0M
FCF MarginFCF / Revenue
-10742.2%
Capex IntensityCapex / Revenue
135.3%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-35.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CADL
CADL
PRTA
PRTA
Q4 25
$-163.6M
Q3 25
$-40.6M
Q2 25
$-46.3M
Q1 25
$-53.4M
Q4 24
$-150.1M
Q3 24
$-45.2M
Q2 24
$16.0M
Q1 24
$-73.1M
Cash Conversion
CADL
CADL
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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