Prothena Corp Public (PRTA) Income towards Parent Company (2012 - 2026)

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

• On a quarterly basis, Income towards Parent Company rose 154.36% year-over-year to $32.7 million in Q1 2026; TTM through Mar 2026 was -$151.1 million, a 36.91% decrease from a year earlier, with the FY2025 full-year figure at -$244.1 million, down 99.57% from the prior year.
• Income towards Parent Company improved to $32.7 million in Q1 2026 per PRTA's latest filing, from -$21.5 million in the prior quarter.
• Across five years, Income towards Parent Company topped out at $66.8 million in Q2 2024 and bottomed at -$125.8 million in Q2 2025.
• The 5-year median for Income towards Parent Company is -$45.7 million (2022), against an average of -$35.2 million.
• Across the five-year window, Income towards Parent Company slumped 1162.78% in 2023 and jumped 222.43% in 2024, its largest moves.
• Year by year, Income towards Parent Company stood at $6.3 million in 2022, then slumped by 1162.78% to -$67.5 million in 2023, then rose by 14.07% to -$58.0 million in 2024, then soared by 62.85% to -$21.5 million in 2025, then jumped by 251.89% to $32.7 million in 2026.
• Per Business Quant, the three latest PRTA Income towards Parent Company figures stand at $32.7 million (Q1 2026), -$21.5 million (Q4 2025), and -$36.5 million (Q3 2025).