Prothena Corp Public (PRTA) Profit After Tax (2012 - 2026)

Prothena Corp Public (PRTA) posted quarterly Profit After Tax of $32.7 million for Q1 2026, up 154.36% year-over-year from $12.9 million in Q1 2025, and up 251.56% quarter-over-quarter from -$21.6 million in Q4 2025.

Prothena Corp Public (PRTA) Profit After Tax (2012 - 2026) Analysis & Trends

Prothena Corp Public's Profit After Tax history runs 15 years deep, the most recent figure standing at $32.7 million for Q1 2026.

  • In Q1 2026, Profit After Tax rose 154.36% year-over-year to $32.7 million; the TTM figure through Mar 2026 stood at -$151.2 million (down 37.1% YoY), while the FY2025 annual figure was -$244.1 million, down 99.57% from the prior year.
  • Profit After Tax for Q1 2026 stood at $32.7 million, up from -$21.6 million in the prior quarter.
  • The five-year high for Profit After Tax was $66.9 million in Q2 2024, with the low at -$125.8 million in Q2 2025.
  • The 5-year median for Profit After Tax is -$45.8 million (2022), against an average of -$35.2 million.
  • The sharpest annual moves came in 2023 and 2024: Profit After Tax sank 1162.78% in 2023, then surged 222.51% in 2024.
  • Prothena Corp Public's Profit After Tax stood at $6.3 million in 2022, then tumbled by 1162.78% to -$67.5 million in 2023, then climbed by 14.11% to -$58.0 million in 2024, then surged by 62.75% to -$21.6 million in 2025, then surged by 251.56% to $32.7 million in 2026.
  • Business Quant data shows PRTA's Profit After Tax at $32.7 million in Q1 2026, -$21.6 million in Q4 2025, and -$36.5 million in Q3 2025.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) PAT (Qtr)
1 Vertex Pharmaceuticals 128.13 Bn 120.28 Bn 2.84 Bn 1.10 Bn
2 Regeneron Pharmaceuticals 112.33 Bn 104.33 Bn 3.93 Bn 1.30 Bn
3 Argenx Se 53.24 Bn 48.05 Bn 1.41 Bn 472.00 Mn
4 Revolution Medicines 43.64 Bn 43.64 Bn - -644.37 Mn
5 BeOne Medicines 39.27 Bn 34.17 Bn 1.53 Bn 237.01 Mn
6 MindWalk Holdings 35.32 Bn 35.31 Bn 1.82 Bn -3,087.27
7 Royalty Pharma 33.72 Bn 35.84 Bn - 81.49 Mn
8 Alnylam Pharmaceuticals 30.58 Bn 27.27 Bn 992.69 Mn 164.49 Mn
9 Insmed 27.01 Bn 25.85 Bn 358.27 Mn -16.62 Mn
10 Prothena Corp Public 458.45 Mn 170.25 Mn - -18.58 Mn

Historic Data

Download Data
DateValue
Jun 30, 2026 -18.58 Mn
Mar 31, 2026 32.72 Mn
Dec 31, 2025 -21.59 Mn
Sep 30, 2025 -36.54 Mn
Jun 30, 2025 -125.77 Mn
Mar 31, 2025 -60.20 Mn
Dec 31, 2024 -57.96 Mn
Sep 30, 2024 -59.00 Mn
Jun 30, 2024 66.89 Mn
Mar 31, 2024 -72.24 Mn
Dec 31, 2023 -67.48 Mn
Sep 30, 2023 21.91 Mn
Jun 30, 2023 -54.60 Mn
Mar 31, 2023 -46.86 Mn
Dec 31, 2022 6.35 Mn
Sep 30, 2022 -45.76 Mn
Jun 30, 2022 -41.24 Mn
Mar 31, 2022 -36.29 Mn
Dec 31, 2021 -33.18 Mn
Sep 30, 2021 109.25 Mn