Prothena Corp Public (PRTA) Equity Ratio (2012 - 2026)

Prothena Corp Public's Equity Ratio history runs 15 years deep, the most recent figure standing at 0.89 for Q1 2026.

• In Q1 2026, Equity Ratio rose 1.12% year-over-year to 0.89; the TTM figure through Mar 2026 stood at 0.89 (up 1.12% YoY), while the FY2025 annual figure was 0.86, down 3.57% from the prior year.
• Equity Ratio was 0.89 for Q1 2026 at Prothena Corp Public, up from 0.86 in the prior quarter.
• In the past five years, Equity Ratio ranged from a high of 0.9 in Q2 2024 to a low of 0.73 in Q3 2022.
• Historically, Equity Ratio has averaged 0.83 across 5 years, with a median of 0.82 in 2022.
• The sharpest annual moves came in 2022 and 2025: Equity Ratio climbed 22.19% in 2022, then slipped 9.84% in 2025.
• A 5-year view of Equity Ratio shows it stood at 0.82 in 2022, then decreased by 1.76% to 0.81 in 2023, then advanced by 10.41% to 0.89 in 2024, then retreated by 3.57% to 0.86 in 2025, then gained by 4.1% to 0.89 in 2026.
• The last three Equity Ratio figures came in at 0.89 (Q1 2026), 0.86 (Q4 2025), and 0.84 (Q3 2025), per Business Quant data.