PROTHENA CORP PUBLIC LTD CO

PROTHENA CORP PUBLIC LTD COPRTAEarnings & Financial Report

Nasdaq · Health Care · Pharmaceutical Preparations

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.

PRTA Q4 FY2025 Key Financial Metrics

Revenue

$21.0K

Gross Profit

N/A

Operating Profit

N/A

Net Profit

N/A

Gross Margin

N/A

Operating Margin

N/A

Net Margin

N/A

YoY Growth

-99.0%

PROTHENA CORP PUBLIC LTD CO Q4 FY2025 Financial Summary

PROTHENA CORP PUBLIC LTD CO reported revenue of $21.0K (down 99.0% YoY) for Q4 FY2025, with a net profit of N/A (up 62.7% YoY) (N/A margin).

Key Financial Metrics

Total Revenue$21.0K
Net ProfitN/A
Gross MarginN/A
Operating MarginN/A
Report PeriodQ4 FY2025

PROTHENA CORP PUBLIC LTD CO Annual Revenue by Year

PROTHENA CORP PUBLIC LTD CO annual revenue history includes year-by-year totals (for example, 2025 revenue was $9.7M).

YearAnnual Revenue
2025$9.7Mvs 2024
2024$135.2Mvs 2023
2023$91.4Mvs 2022
2022$53.9M

PROTHENA CORP PUBLIC LTD CO Quarterly Revenue & Net Profit History

PROTHENA CORP PUBLIC LTD CO results over the last 8 reported quarters, including revenue, net profit and year-over-year growth.

QuarterRevenueRevenue YoYNet ProfitNet Margin
Q4 FY2025$21.0K-99.0%N/AN/A
Q3 FY2025$2.4M+149.0%$-36.5M-1513.1%
Q2 FY2025$4.4M-96.7%$-125.8M-2845.4%
Q1 FY2025$2.8M+5556.0%$-60.2M-2128.5%
Q4 FY2024$2.1M+571.8%N/AN/A
Q3 FY2024$970.0K-98.9%$-59.0M-6082.6%
Q2 FY2024$132.0M+3184.7%$66.9M50.7%
Q1 FY2024$50.0K-97.7%$-72.2M-144478.0%

Income Statement

Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025
Revenue$50000$132.0M$970000$2.1M$2.8M$4.4M$2.4M$21000
YoY Growth-97.7%3184.7%-98.9%571.8%5556.0%-96.7%149.0%-99.0%

Balance Sheet

Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025
Assets$623.2M$645.6M$595.3M$547.1M$495.3M$399.1M$352.6M$326.8M
Liabilities$120.8M$63.6M$60.9M$60.2M$57.7M$74.7M$57.6M$46.3M
Equity$502.4M$581.9M$534.4M$486.9M$437.7M$324.3M$295.0M$280.5M

Cash Flow

Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025
Operating CF$-73.1M$16.0M$-45.2M$-150.1M$-53.4M$-46.3M$-40.6M$-163.6M