Profitability
Weight: 20%
F
0
- 5yr Avg ROIC -32.5%
- Operating Margin Trend -375.37 pp/yr
PRTA
Prothena Corporation plc
AlphaQuality composite grade, weighted for stable earnings power businesses.
⚠ 4 of the last 5 fiscal years showed negative net income — AlphaQuality will not grade above F for persistent unprofitability in a stable earnings power business.
Grade overrides the 30.0 pillar composite — hard gates always win.
Capital Efficiency
Weight: 15%
F
8
- 5yr Avg ROE -40.2%
- 5yr Share-Count CAGR 2.7%
Growth Quality
Weight: 15%
F
19
- 5yr Revenue CAGR -53.1%
- 5yr EPS CAGR 0.0%
- Revenue-Growth Years (5) 3/5
Cash Generation
Weight: 15%
D+
42
- 5yr FCF Margin -421.7%
- 5yr FCF/NI Conversion 1.37x
Balance Sheet
Weight: 20%
C
52
- Net Debt / EBITDA 10.00x
- Interest Coverage (EBIT/Int) 30.00x
- Altman Z-Score 3.45
Stability
Weight: 15%
B
70
- EPS Volatility (σ/μ) 0.00
- Piotroski F-Score 3
- Negative-Revenue Years (5) 2/5
Guru Flow
Curated superinvestor sentiment — not part of the AlphaQuality grade.2 of 2 gurus held; 2 added.
- Holders
- 2
- Avg Δ position
- +625.6%
- New buys
- 0
- Full exits
- 0