Prothena Corp Public (PRTA) Cash & Current Investments (2012 - 2026)

Prothena Corp Public (PRTA) recorded quarterly Cash & Current Investments of $329.5 million in Q1 2026, up 7.13% quarter-over-quarter from $307.5 million in Q4 2025, and down 21.17% on a YoY basis from $417.9 million in Q1 2025.

Prothena Corp Public (PRTA) Cash & Current Investments (2012 - 2026) Analysis & Trends

Prothena Corp Public's Cash & Current Investments history runs 15 years deep, the most recent figure standing at $329.5 million for Q1 2026.

  • In Q1 2026, Cash & Current Investments fell 21.17% year-over-year to $329.5 million; the TTM figure through Mar 2026 stood at $329.5 million (down 21.17% YoY), while the FY2025 annual figure was $307.5 million, down 34.76% from the prior year.
  • Cash & Current Investments was $329.5 million for Q1 2026 at Prothena Corp Public, up from $307.5 million in the prior quarter.
  • In the past five years, Cash & Current Investments ranged from a high of $710.4 million in Q4 2022 to a low of $307.5 million in Q4 2025.
  • Historically, Cash & Current Investments has averaged $515.1 million across 5 years, with a median of $519.3 million in 2024.
  • The sharpest annual moves came in 2022 and 2025: Cash & Current Investments soared 57.69% in 2022, then tumbled 36.29% in 2025.
  • A 5-year view of Cash & Current Investments shows it stood at $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 34.76% to $307.5 million in 2025, then increased by 7.13% to $329.5 million in 2026.
  • The last three Cash & Current Investments figures came in at $329.5 million (Q1 2026), $307.5 million (Q4 2025), and $330.8 million (Q3 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Cash & Current Investments (Qtr)
1 Alterity Therapeutics 925,601.88 Bn 925,601.85 Bn - 32.30 Mn
2 Belite Bio 58,560.00 Bn 58,560.00 Bn - -
3 Quantum Biopharma 17,284.41 Bn 17,284.40 Bn - 2.13 Mn
4 Legend Biotech 2,809.00 Bn 2,808.71 Bn 242.10 Mn 286.70 Mn
5 Evaxion A 1,334.43 Bn 1,334.42 Bn - 18.44 Mn
6 Akari Therapeutics 1,312.27 Bn 1,312.26 Bn - 2.77 Mn
7 Psyence Biomedical 212.16 Bn 212.16 Bn - 7.20 Mn
8 Vertex Pharmaceuticals 114.83 Bn 107.58 Bn 2.59 Bn 7.25 Bn
9 Abivax 91.96 Bn 91.96 Bn - -
10 Prothena Corp Public 479.08 Mn 149.61 Mn - 329.46 Mn

Historic Data

Download Data
DateValue
Mar 31, 2026 329.46 Mn
Dec 31, 2025 307.53 Mn
Sep 30, 2025 330.80 Mn
Jun 30, 2025 371.40 Mn
Mar 31, 2025 417.94 Mn
Dec 31, 2024 471.39 Mn
Sep 30, 2024 519.26 Mn
Jun 30, 2024 564.12 Mn
Mar 31, 2024 547.86 Mn
Dec 31, 2023 620.18 Mn
Sep 30, 2023 672.25 Mn
Jun 30, 2023 660.46 Mn
Mar 31, 2023 686.18 Mn
Dec 31, 2022 710.41 Mn
Sep 30, 2022 495.63 Mn
Jun 30, 2022 508.80 Mn
Mar 31, 2022 542.99 Mn
Dec 31, 2021 579.09 Mn
Sep 30, 2021 600.10 Mn
Jun 30, 2021 401.18 Mn