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

Prothena Corp Public's EBITDA history runs 15 years deep, the most recent figure standing at $30.0 million for Q1 2026.

• In Q1 2026, EBITDA rose 145.8% year-over-year to $30.0 million; the TTM figure through Mar 2026 stood at -$119.0 million (up 14.13% YoY), while the FY2025 annual figure was -$214.6 million, down 38.87% from the prior year.
• EBITDA for Q1 2026 stood at $30.0 million, up from -$24.2 million in the prior quarter.
• The five-year high for EBITDA was $58.4 million in Q2 2024, with the low at -$84.6 million in Q2 2025.
• The 5-year median for EBITDA is -$50.3 million (2022), against an average of -$38.9 million.
• The sharpest annual moves came in 2023 and 2024: EBITDA plunged 108948.61% in 2023, then jumped 187.78% in 2024.
• Prothena Corp Public's EBITDA stood at -$72000.0 in 2022, then slumped by 108948.61% to -$78.5 million in 2023, then gained by 17.34% to -$64.9 million in 2024, then soared by 62.71% to -$24.2 million in 2025, then soared by 224.1% to $30.0 million in 2026.
• Business Quant data shows PRTA's EBITDA at $30.0 million in Q1 2026, -$24.2 million in Q4 2025, and -$40.2 million in Q3 2025.