Companies: 10,795·Total market cap: $144.5T
Prothena Corporation plc

Prothena Corporation plc

PRTANASDAQHealthcare● Active
$8.56
$-0.23(-2.62%)
Market Cap$448143709
P/E Ratio
52W High$11.8
52W Low$4.76

Prothena Corporation plc (PRTA) · Income Statement

Annual, quarterly, or TTM views · SEC 10-K & 10-Q via FMP · adjust period and M/B/T below.

FMP · PRTA · as of 2026-06-08

Financial statements

Revenue · Gross Profit · Net Income
Breakdown2025-122024-122023-122022-122021-12
Revenue
Revenue$9.68M$135.16M$91.37M$53.91M$200.58M
Cost of Revenue$3.70M$0.00M$0.00M$0.00M$0.00M
Gross Profit$5.98M$135.16M$91.37M$53.91M$200.58M
Gross Margin %(computed)61.77%100.00%100.00%100.00%100.00%
Operating Expenses
R&D Expenses$134.85M$222.52M$220.57M$135.56M$82.28M
G&A Expenses$59.39M$67.20M$61.84M$49.90M$46.32M
Total Operating Expenses$190.54M$289.72M$282.41M$185.46M$128.60M
Operating Income($184.56M)($154.56M)($191.04M)($131.56M)$71.97M
Operating Margin %(computed)-114.36%-209.08%-244.05%35.88%
Interest Income$14.14M$25.82M$31.01M$6.35M$0.04M
Interest Expense$0.00M$0.00M$0.00M$0.00M$0.00M
Income Before Tax($200.83M)($128.93M)($160.48M)($125.61M)$71.92M
Income Tax Expense$43.26M($6.62M)($13.45M)($8.66M)$4.95M
Net Income($244.09M)($122.31M)($147.03M)($116.95M)$66.97M
Net Margin %(computed)-90.49%-160.91%-216.95%33.39%
Per Share & EBITDA
EPS (Basic)$-4.53$-2.27$-2.76$-2.47$1.51
Wtd Avg Shares53.83M53.77M53.22M47.37M44.23M
EBITDA($197.13M)($153.67M)($190.11M)($130.81M)$73.09M
EBITDA Margin %(computed)-113.70%-208.06%-242.67%36.44%

Data source: Financial Modeling Prep · Last updated: 2026-06-08 · USD · M

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About Prothena Corporation plc (PRTA) Income Statement

Prothena Corporation plc (PRTA) income statement data is sourced from SEC Form 10-K and 10-Q filings. For fiscal year 2025, PRTA reported revenue of $0.01B, gross profit of $0.01B (gross margin 61.77%), and net income of ($0.24B) — a net profit margin of -2520.57%.

Frequently asked questions

PRTA · 4 questions

Prothena Corporation plc (PRTA) reported revenue of $0.01B for 2025, down 92.8% year-over-year.

PRTA revenuePRTA salesannual revenue YoYincome statement

· Source: FMP /stable/income-statement · SEC EDGAR Form 10-K & 10-Q · As of 2026-06-08