Prothena Corp Public (PRTA) EBT (2012 - 2026)

Prothena Corp Public's EBT history runs 15 years deep, the most recent figure standing at $32.7 million for Q1 2026.

• In Q1 2026, EBT rose 153.32% year-over-year to $32.7 million; the TTM figure through Mar 2026 stood at -$106.7 million (up 7.88% YoY), while the FY2025 annual figure was -$200.8 million, down 55.77% from the prior year.
• EBT for Q1 2026 stood at $32.7 million, up from -$21.6 million in the prior quarter.
• The five-year high for EBT was $64.8 million in Q2 2024, with the low at -$81.0 million in Q2 2025.
• The 5-year median for EBT is -$48.4 million (2022), against an average of -$34.3 million.
• The sharpest annual moves came in 2023 and 2024: EBT slumped 2211.15% in 2023, then surged 210.09% in 2024.
• Prothena Corp Public's EBT stood at $3.3 million in 2022, then plunged by 2211.15% to -$70.6 million in 2023, then gained by 15.74% to -$59.5 million in 2024, then jumped by 63.73% to -$21.6 million in 2025, then soared by 251.64% to $32.7 million in 2026.
• Business Quant data shows PRTA's EBT at $32.7 million in Q1 2026, -$21.6 million in Q4 2025, and -$36.9 million in Q3 2025.