Prothena Corp Public (PRTA) EPS (Basic) (2012 - 2026)

Prothena Corp Public (PRTA) recorded quarterly EPS (Basic) of $0.61 in Q1 2026, up 252.5% quarter-over-quarter from -$0.4 in Q4 2025, and up 154.46% on a YoY basis from $0.24 in Q1 2025.

Prothena Corp Public (PRTA) EPS (Basic) (2012 - 2026) Analysis & Trends

Prothena Corp Public's EPS (Basic) history runs 15 years deep, the most recent figure standing at $0.61 for Q1 2026.

  • In Q1 2026, EPS (Basic) rose 154.46% year-over-year to $0.61; the TTM figure through Mar 2026 stood at -$2.81 (down 37.07% YoY), while the FY2025 annual figure was -$4.53, down 99.56% from the prior year.
  • EPS (Basic) was $0.61 for Q1 2026 at Prothena Corp Public, up from -$0.4 in the prior quarter.
  • In the past five years, EPS (Basic) ranged from a high of $1.24 in Q2 2024 to a low of -$2.34 in Q2 2025.
  • Historically, EPS (Basic) has averaged -$0.67 across 5 years, with a median of -$0.89 in 2023.
  • The sharpest annual moves came in 2023 and 2024: EPS (Basic) plunged 887.5% in 2023, then jumped 220.39% in 2024.
  • A 5-year view of EPS (Basic) shows it stood at $0.16 in 2022, then slumped by 887.5% to -$1.26 in 2023, then gained by 15.08% to -$1.07 in 2024, then soared by 62.62% to -$0.4 in 2025, then soared by 252.5% to $0.61 in 2026.
  • The last three EPS (Basic) figures came in at $0.61 (Q1 2026), -$0.4 (Q4 2025), and -$0.68 (Q3 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) EPS (Basic) (Qtr)
1 Alterity Therapeutics 925,601.88 Bn 925,601.85 Bn - -
2 Belite Bio 58,560.00 Bn 58,560.00 Bn - -0.68
3 Quantum Biopharma 17,284.41 Bn 17,284.40 Bn - 3.06
4 Legend Biotech 2,809.00 Bn 2,808.71 Bn 242.10 Mn 0.00
5 Evaxion A 1,334.43 Bn 1,334.42 Bn - 0.00
6 Akari Therapeutics 1,312.27 Bn 1,312.26 Bn - 0.00
7 Psyence Biomedical 212.16 Bn 212.16 Bn - 0.00
8 Vertex Pharmaceuticals 114.83 Bn 107.58 Bn 2.59 Bn 4.06
9 Abivax 91.96 Bn 91.96 Bn - -0.06
10 Prothena Corp Public 479.08 Mn 149.61 Mn - 0.61

Historic Data

Download Data
DateValue
Mar 31, 2026 0.61
Dec 31, 2025 -0.40
Sep 30, 2025 -0.68
Jun 30, 2025 -2.34
Mar 31, 2025 -1.12
Dec 31, 2024 -1.07
Sep 30, 2024 -1.10
Jun 30, 2024 1.24
Mar 31, 2024 -1.34
Dec 31, 2023 -1.26
Sep 30, 2023 0.41
Jun 30, 2023 -1.03
Mar 31, 2023 -0.89
Dec 31, 2022 0.16
Sep 30, 2022 -0.97
Jun 30, 2022 -0.88
Mar 31, 2022 -0.78
Dec 31, 2021 -0.80
Sep 30, 2021 2.39
Jun 30, 2021 0.62