Prothena Corporation plc — Earnings Quality Grade C
PRTA · Healthcare
Some red flags
Screening Summary
Management Signals
Financial Trends
Revenue & Net Income ($B)
Margins (%)
18-Point Screening
Revenue Quality
Insufficient data
AR growth -100.0% vs revenue growth 47.9%
Revenue -92.8%, CFFO -9.0%. Cash follows revenue
Expense Quality
No material inventory
CapEx growth -53.7% vs revenue -92.8%. Normal
Insufficient data
Insufficient data
Cash Flow Quality
CFFO/NI = 0.67. Below 1.0
FCF is negative ($-0.2B)
Accruals ratio = -24.6%. Low accruals
Cash $0.3B covers debt $0.0B
Balance Sheet Health
No goodwill. Clean balance sheet
Debt/EBITDA = -0.0x. Healthy
Other assets -71.3% vs revenue -92.8%. Normal
No write-off data
Acquisition Risk
FCF after acquisitions negative for 3 years
Small-cap context: A single acquisition on a small balance sheet can trip serial-acquirer logic.
No goodwill
Manipulation Score
Insufficient data
Portfolio monitoring
Monitor PRTA continuously
The full checks and model details are free to read. Use Watchlist to track your holdings; Pro adds automatic quarterly rescoring, risk-event email alerts, scans up to 50 tickers, and export workflows.
Altman Z-Score
Generated from public financial data using forensic accounting frameworks. Not investment advice. Data: Yahoo Finance · 2026-04-25