Prothena Corp Public (PRTA) Other Operating Expenses (2018 - 2026)

Prothena Corp Public (PRTA) recorded quarterly Other Operating Expenses of -$4.2 million in Q1 2026, down 41.09% quarter-over-quarter from -$3.0 million in Q4 2025.

Prothena Corp Public (PRTA) Other Operating Expenses (2018 - 2026) Analysis & Trends

Prothena Corp Public's Other Operating Expenses history runs 4 years deep, the most recent figure standing at -$4.2 million for Q1 2026.

  • In Q1 2026, Other Operating Expenses changed N/A year-over-year to -$4.2 million; the TTM figure through Mar 2026 stood at $25.8 million (changed N/A YoY), while the FY2025 annual figure was $30.1 million, changed N/A from the prior year.
  • Other Operating Expenses was -$4.2 million for Q1 2026 at Prothena Corp Public, down from -$3.0 million in the prior quarter.
  • In the past five years, Other Operating Expenses ranged from a high of $32.6 million in Q2 2025 to a low of -$4.2 million in Q1 2026.

Peer Comparison

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

Historic Data

Download Data
DateValue
Mar 31, 2026 -4.24 Mn
Dec 31, 2025 -3.01 Mn
Sep 30, 2025 479,000.00
Jun 30, 2025 32.61 Mn
Mar 31, 2019 -61,000.00
Dec 31, 2018 -1.59 Mn
Sep 30, 2018 -3.17 Mn
Jun 30, 2018 20.90 Mn