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

Prothena Corp Public's (PRTA) quarterly EPS (Basic) came in at $0.61 in Q1 2026, up 154.48% year-on-year from $0.24 in Q1 2025, and up 252.24% quarter-over-quarter from -$0.4 in Q4 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.

  • On a quarterly basis, EPS (Basic) rose 154.48% year-over-year to $0.61 in Q1 2026; TTM through Mar 2026 was -$2.81, a 37.21% decrease from a year earlier, with the FY2025 full-year figure at -$4.53, down 99.36% from the prior year.
  • EPS (Basic) rose to $0.61 in Q1 2026 per PRTA's latest filing, from -$0.4 in the prior quarter.
  • Across five years, EPS (Basic) topped out at $1.24 in Q2 2024 and bottomed at -$2.34 in Q2 2025.
  • The 5-year median for EPS (Basic) is -$0.89 (2023), against an average of -$0.68.
  • Across the five-year window, EPS (Basic) sank 1046.01% in 2023 and jumped 220.96% in 2024, its largest moves.
  • Year by year, EPS (Basic) stood at $0.13 in 2022, then tumbled by 1046.01% to -$1.27 in 2023, then rose by 14.96% to -$1.08 in 2024, then surged by 62.89% to -$0.4 in 2025, then surged by 252.24% to $0.61 in 2026.
  • Per Business Quant, the three latest PRTA EPS (Basic) figures stand at $0.61 (Q1 2026), -$0.4 (Q4 2025), and -$0.68 (Q3 2025).

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) EPS (Basic) (Qtr)
1 Oculis Holding AG 67,072.09 Bn 67,072.09 Bn - 0.00
2 Nanobiotix 1,894.61 Bn 1,894.55 Bn - -
3 Akari Therapeutics 1,014.18 Bn 1,014.18 Bn - 0.00
4 BeOne Medicines 471.64 Bn 466.85 Bn 1.35 Bn 0.16
5 Vertex Pharmaceuticals 121.72 Bn 114.47 Bn 2.59 Bn 4.06
6 Regeneron Pharmaceuticals 68.28 Bn 59.52 Bn 3.31 Bn 6.99
7 Belite Bio 61.40 Bn 61.40 Bn - 0.00
8 Argenx Se 56.94 Bn 56.94 Bn 1.18 Bn 5.90
9 Revolution Medicines 37.37 Bn 37.37 Bn - -2.29
10 Prothena Corp Public 467.80 Mn 138.33 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 -1.08
Sep 30, 2024 -1.10
Jun 30, 2024 1.24
Mar 31, 2024 -1.34
Dec 31, 2023 -1.27
Sep 30, 2023 0.41
Jun 30, 2023 -1.03
Mar 31, 2023 -0.89
Dec 31, 2022 0.13
Sep 30, 2022 -0.97
Jun 30, 2022 -0.88
Mar 31, 2022 -0.78
Dec 31, 2021 -0.75
Sep 30, 2021 2.39
Jun 30, 2021 0.62