Prothena Corp Public (PRTA) Free Cash Flow (2012 - 2026)

Prothena Corp Public (PRTA) recorded quarterly Free Cash Flow of $28.9 million in Q1 2026, up 223.87% quarter-over-quarter from -$23.3 million in Q4 2025, and up 154.07% on a YoY basis from $11.4 million in Q1 2025.

Prothena Corp Public (PRTA) Free Cash Flow (2012 - 2026) Analysis & Trends

Prothena Corp Public's Free Cash Flow history runs 15 years deep, the most recent figure standing at $28.9 million for Q1 2026.

  • In Q1 2026, Free Cash Flow rose 154.07% year-over-year to $28.9 million; the TTM figure through Mar 2026 stood at -$81.4 million (up 37.64% YoY), while the FY2025 annual figure was -$163.7 million, down 8.89% from the prior year.
  • Free Cash Flow was $28.9 million for Q1 2026 at Prothena Corp Public, up from -$23.3 million in the prior quarter.
  • In the past five years, Free Cash Flow ranged from a high of $28.9 million in Q1 2026 to a low of -$73.2 million in Q1 2024.
  • Historically, Free Cash Flow has averaged -$31.2 million across 5 years, with a median of -$40.6 million in 2025.
  • The sharpest annual moves came in 2023 and 2026: Free Cash Flow plunged 925.69% in 2023, then soared 154.07% in 2026.
  • A 5-year view of Free Cash Flow shows it stood at -$5.1 million in 2022, then slumped by 925.69% to -$52.6 million in 2023, then rose by 9.07% to -$47.8 million in 2024, then soared by 51.25% to -$23.3 million in 2025, then soared by 223.87% to $28.9 million in 2026.
  • The last three Free Cash Flow figures came in at $28.9 million (Q1 2026), -$23.3 million (Q4 2025), and -$40.6 million (Q3 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Free Cash Flow (Qtr)
1 Alterity Therapeutics 925,601.88 Bn 925,601.85 Bn - -
2 Belite Bio 58,560.00 Bn 58,560.00 Bn - -
3 Quantum Biopharma 17,284.41 Bn 17,284.40 Bn - -1.67 Mn
4 Legend Biotech 2,809.00 Bn 2,808.71 Bn 242.10 Mn -12.20 Mn
5 Evaxion A 1,334.43 Bn 1,334.42 Bn - -
6 Akari Therapeutics 1,312.27 Bn 1,312.26 Bn - -2.49 Mn
7 Psyence Biomedical 212.16 Bn 212.16 Bn - -
8 Vertex Pharmaceuticals 114.83 Bn 107.58 Bn 2.59 Bn 1.29 Bn
9 Abivax 91.96 Bn 91.96 Bn - 63,220.27
10 Prothena Corp Public 479.08 Mn 149.61 Mn - 28.88 Mn

Historic Data

Download Data
DateValue
Mar 31, 2026 28.88 Mn
Mar 31, 2026 28.88 Mn
Dec 31, 2025 -23.31 Mn
Dec 31, 2025 -23.31 Mn
Sep 30, 2025 -40.58 Mn
Sep 30, 2025 -40.58 Mn
Jun 30, 2025 -46.43 Mn
Jun 30, 2025 -46.43 Mn
Mar 31, 2025 -53.41 Mn
Mar 31, 2025 -53.41 Mn
Dec 31, 2024 -47.82 Mn
Dec 31, 2024 -47.82 Mn
Sep 30, 2024 -45.20 Mn
Sep 30, 2024 -45.20 Mn
Jun 30, 2024 15.82 Mn
Jun 30, 2024 15.82 Mn
Mar 31, 2024 -73.15 Mn
Mar 31, 2024 -73.15 Mn
Dec 31, 2023 -52.59 Mn
Dec 31, 2023 -52.59 Mn