Prothena Corp Public (PRTA) Operating Expenses (2012 - 2026)

Prothena Corp Public (PRTA) posted quarterly Operating Expenses of $21.0 million for Q1 2026, down 69.23% year-over-year from $68.4 million in Q1 2025, and down 13.11% quarter-over-quarter from $24.2 million in Q4 2025.

Prothena Corp Public (PRTA) Operating Expenses (2012 - 2026) Analysis & Trends

Prothena Corp Public's Operating Expenses history runs 15 years deep, the most recent figure standing at $21.0 million for Q1 2026.

  • In Q1 2026, Operating Expenses fell 69.23% year-over-year to $21.0 million; the TTM figure through Mar 2026 stood at $177.0 million (down 36.01% YoY), while the FY2025 annual figure was $224.3 million, down 22.57% from the prior year.
  • Operating Expenses for Q1 2026 stood at $21.0 million, down from $24.2 million in the prior quarter.
  • The five-year high for Operating Expenses was $89.0 million in Q2 2025, with the low at $21.0 million in Q1 2026.
  • The 5-year median for Operating Expenses is $67.0 million (2024), against an average of $59.0 million.
  • The sharpest annual moves came in 2022 and 2026: Operating Expenses surged 73.14% in 2022, then plunged 69.23% in 2026.
  • Prothena Corp Public's Operating Expenses stood at $50.0 million in 2022, then jumped by 57.68% to $78.8 million in 2023, then slipped by 14.98% to $67.0 million in 2024, then sank by 63.86% to $24.2 million in 2025, then slipped by 13.11% to $21.0 million in 2026.
  • Business Quant data shows PRTA's Operating Expenses at $21.0 million in Q1 2026, $24.2 million in Q4 2025, and $42.7 million in Q3 2025.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Opex (Qtr)
1 Vertex Pharmaceuticals 128.13 Bn 120.28 Bn 2.84 Bn 2.09 Bn
2 Regeneron Pharmaceuticals 112.33 Bn 104.33 Bn 3.93 Bn 3.00 Bn
3 Argenx Se 53.24 Bn 48.05 Bn 1.41 Bn 2.89 Bn
4 Revolution Medicines 43.64 Bn 43.64 Bn - 505.13 Mn
5 BeOne Medicines 39.27 Bn 34.17 Bn 1.53 Bn 1.21 Bn
6 MindWalk Holdings 35.32 Bn 35.31 Bn 1.82 Bn 4,978.15
7 Royalty Pharma 33.72 Bn 35.84 Bn - 541.02 Mn
8 Alnylam Pharmaceuticals 30.58 Bn 27.27 Bn 992.69 Mn 1.06 Bn
9 Insmed 27.01 Bn 25.85 Bn 358.27 Mn 427.03 Mn
10 Prothena Corp Public 458.45 Mn 170.25 Mn - 22.11 Mn

Historic Data

Download Data
DateValue
Jun 30, 2026 22.11 Mn
Mar 31, 2026 21.05 Mn
Dec 31, 2025 24.22 Mn
Sep 30, 2025 42.66 Mn
Jun 30, 2025 89.04 Mn
Mar 31, 2025 68.41 Mn
Dec 31, 2024 67.02 Mn
Sep 30, 2024 67.48 Mn
Jun 30, 2024 73.64 Mn
Mar 31, 2024 81.58 Mn
Dec 31, 2023 78.83 Mn
Sep 30, 2023 74.56 Mn
Jun 30, 2023 70.52 Mn
Mar 31, 2023 58.49 Mn
Dec 31, 2022 50.00 Mn
Sep 30, 2022 51.85 Mn
Jun 30, 2022 44.52 Mn
Mar 31, 2022 39.10 Mn
Dec 31, 2021 34.26 Mn
Sep 30, 2021 29.95 Mn