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

Prothena Corp Public's (PRTA) quarterly Free Cash Flow came in at $28.9 million in Q1 2026, up 154.07% year-on-year from $11.4 million in Q1 2025, and up 223.87% quarter-over-quarter from -$23.3 million in Q4 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.

  • On a quarterly basis, Free Cash Flow rose 154.07% year-over-year to $28.9 million in Q1 2026; TTM through Mar 2026 was -$81.4 million, a 37.64% increase from a year earlier, with the FY2025 full-year figure at -$163.7 million, down 8.89% from the prior year.
  • Free Cash Flow improved to $28.9 million in Q1 2026 per PRTA's latest filing, from -$23.3 million in the prior quarter.
  • Across five years, Free Cash Flow topped out at $28.9 million in Q1 2026 and bottomed at -$73.2 million in Q1 2024.
  • The 5-year median for Free Cash Flow is -$40.6 million (2025), against an average of -$31.2 million.
  • Across the five-year window, Free Cash Flow plunged 925.69% in 2023 and surged 154.07% in 2026, its largest moves.
  • Year by year, Free Cash Flow stood at -$5.1 million in 2022, then plunged 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.
  • Per Business Quant, the three latest PRTA Free Cash Flow figures stand at $28.9 million (Q1 2026), -$23.3 million (Q4 2025), and -$40.6 million (Q3 2025).

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Free Cash Flow (Qtr)
1 Oculis Holding AG 68,785.72 Bn 68,785.72 Bn - -19.58 Mn
2 Nanobiotix 1,895.57 Bn 1,895.51 Bn - -
3 BeOne Medicines 471.35 Bn 466.56 Bn 1.35 Bn 158.09 Mn
4 NuCana 279.75 Bn 279.75 Bn - -1.53 Mn
5 Vertex Pharmaceuticals 120.24 Bn 113.00 Bn 2.59 Bn 1.29 Bn
6 Regeneron Pharmaceuticals 67.80 Bn 59.04 Bn 3.31 Bn 848.30 Mn
7 Belite Bio 62.51 Bn 62.51 Bn - -
8 Argenx Se 57.38 Bn 57.38 Bn 1.41 Bn -
9 Revolution Medicines 37.78 Bn 37.78 Bn - -354.95 Mn
10 Prothena Corp Public 458.13 Mn 128.67 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