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Prothena Corp Public (PRTA) Cash & Current Investments (2016 - 2025)

Prothena Corp Public (PRTA) has 14 years of Cash & Current Investments data on record, last reported at $307.5 million in Q4 2025.

  • For Q4 2025, Cash & Current Investments fell 34.77% year-over-year to $307.5 million; the TTM value through Dec 2025 reached $307.5 million, down 34.77%, while the annual FY2025 figure was $307.5 million, 34.77% down from the prior year.
  • Cash & Current Investments reached $307.5 million in Q4 2025 per PRTA's latest filing, down from $330.8 million in the prior quarter.
  • Across five years, Cash & Current Investments topped out at $710.4 million in Q4 2022 and bottomed at $307.5 million in Q4 2025.
  • Average Cash & Current Investments over 5 years is $517.6 million, with a median of $531.1 million recorded in 2022.
  • Peak YoY movement for Cash & Current Investments: surged 95.16% in 2021, then tumbled 36.29% in 2025.
  • A 5-year view of Cash & Current Investments shows it stood at $579.1 million in 2021, then increased by 22.68% to $710.4 million in 2022, then decreased by 12.7% to $620.2 million in 2023, then decreased by 23.99% to $471.4 million in 2024, then tumbled by 34.77% to $307.5 million in 2025.
  • Per Business Quant database, its latest 3 readings for Cash & Current Investments were $307.5 million in Q4 2025, $330.8 million in Q3 2025, and $371.4 million in Q2 2025.