PRTA Q4 2025 Earnings — Prothena Corporation plc Revenue & Financial Results | Market Cap Arena

PRTAProthena Corporation plc

$549M

Q4 2025 Earnings

Healthcare Biotechnology

Income Statement

Revenue

$21,000-99.0% YoY

Gross Profit

-$921,000-4385.7% margin

Operating Income

-$27M-129576.2% margin

Net Income

-$22M-102804.8% margin

EPS (Diluted)

$-0.40

QoQ Revenue Growth

-99.1%

Cash Flow

Operating Cash Flow

-$27M

Free Cash Flow

-$27M

Stock-Based Comp.

$7M

Balance Sheet

Total Assets

$327M

Total Liabilities

$46M

Stockholders' Equity

$280M

Cash & Equivalents

$308M

Year-over-Year Comparison

Metric	Current	Year Ago	Change
Revenue	$21,000	$2M	-99.0%
Gross Profit	-$921,000	$2M	-143.4%
Operating Income	-$27M	-$65M	+58.1%
Net Income	-$22M	-$58M	+62.7%

Revenue Segments

Collaboration

$21,000100%