Prothena Corp Public (PRTA) Retained Earnings (2012 - 2026)

Prothena Corp Public (PRTA) posted quarterly Retained Earnings of $1.6 billion for Q1 2026, up 235.48% year-over-year from $484.6 million in Q1 2025, and little changed quarter-over-quarter from $1.6 billion in Q4 2025.

Prothena Corp Public (PRTA) Retained Earnings (2012 - 2026) Analysis & Trends

Prothena Corp Public's Retained Earnings history runs 15 years deep, the most recent figure standing at $1.6 billion for Q1 2026.

  • In Q1 2026, Retained Earnings rose 235.48% year-over-year to $1.6 billion; the TTM figure through Mar 2026 stood at $1.6 billion (up 235.48% YoY), while the FY2025 annual figure was $1.6 billion, up 2.37% from the prior year.
  • Retained Earnings for Q1 2026 stood at $1.6 billion, roughly flat from $1.6 billion in the prior quarter.
  • The five-year high for Retained Earnings was $1.6 billion in Q4 2025, with the low at -$1.3 billion in Q3 2025.
  • The 5-year median for Retained Earnings is -$752.3 million (2022), against an average of $186.6 million.
  • The sharpest annual moves came in 2022 and 2025: Retained Earnings surged 282.1% in 2022, then sank 183.95% in 2025.
  • Prothena Corp Public's Retained Earnings stood at $1.5 billion in 2022, then tumbled by 167.38% to -$980.0 million in 2023, then jumped by 262.11% to $1.6 billion in 2024, then increased by 2.37% to $1.6 billion in 2025, then declined by 0.04% to $1.6 billion in 2026.
  • Business Quant data shows PRTA's Retained Earnings at $1.6 billion in Q1 2026, $1.6 billion in Q4 2025, and -$1.3 billion in Q3 2025.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Retained Earnings (Qtr)
1 Vertex Pharmaceuticals 128.13 Bn 120.28 Bn 2.84 Bn 15.69 Bn
2 Regeneron Pharmaceuticals 112.33 Bn 104.33 Bn 3.93 Bn 37.62 Bn
3 Argenx Se 53.24 Bn 48.05 Bn 1.41 Bn 1.41 Bn
4 Revolution Medicines 43.64 Bn 43.64 Bn - -4.00 Bn
5 BeOne Medicines 39.27 Bn 34.17 Bn 1.53 Bn 13.05 Bn
6 MindWalk Holdings 35.32 Bn 35.31 Bn 1.82 Bn -104.13 Mn
7 Royalty Pharma 33.72 Bn 35.84 Bn - 4.38 Bn
8 Alnylam Pharmaceuticals 30.58 Bn 27.27 Bn 992.69 Mn -6.33 Bn
9 Insmed 27.01 Bn 25.85 Bn 358.27 Mn 6.57 Bn
10 Prothena Corp Public 458.45 Mn 170.25 Mn - 1.62 Bn

Historic Data

Download Data
DateValue
Jun 30, 2026 1.62 Bn
Mar 31, 2026 1.63 Bn
Dec 31, 2025 1.63 Bn
Sep 30, 2025 -1.32 Bn
Jun 30, 2025 -1.29 Bn
Mar 31, 2025 -1.20 Bn
Dec 31, 2024 1.59 Bn
Sep 30, 2024 1.58 Bn
Jun 30, 2024 1.57 Bn
Mar 31, 2024 1.55 Bn
Dec 31, 2023 -980.03 Mn
Sep 30, 2023 -912.56 Mn
Jun 30, 2023 -934.50 Mn
Mar 31, 2023 -879.90 Mn
Dec 31, 2022 1.45 Bn
Sep 30, 2022 1.24 Bn
Jun 30, 2022 -793.60 Mn
Mar 31, 2022 -752.34 Mn
Dec 31, 2021 1.18 Bn
Sep 30, 2021 -682.88 Mn