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

Prothena Corp Public's (PRTA) quarterly Other Operating Expenses came in at -$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.

  • On a quarterly basis, Other Operating Expenses changed N/A year-over-year to -$4.2 million in Q1 2026; TTM through Mar 2026 was $25.8 million, a N/A change from a year earlier, with the FY2025 full-year figure at $30.1 million, changed N/A from the prior year.
  • Other Operating Expenses slipped to -$4.2 million in Q1 2026 per PRTA's latest filing, from -$3.0 million in the prior quarter.
  • Across five years, Other Operating Expenses topped out at $32.6 million in Q2 2025 and bottomed at -$4.2 million in Q1 2026.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr)
1 Oculis Holding AG 67,072.09 Bn 67,072.09 Bn -
2 Nanobiotix 1,894.61 Bn 1,894.55 Bn -
3 Akari Therapeutics 1,014.18 Bn 1,014.18 Bn -
4 BeOne Medicines 471.64 Bn 466.85 Bn 1.35 Bn
5 Vertex Pharmaceuticals 121.72 Bn 114.47 Bn 2.59 Bn
6 Regeneron Pharmaceuticals 68.28 Bn 59.52 Bn 3.31 Bn
7 Belite Bio 61.40 Bn 61.40 Bn -
8 Argenx Se 56.94 Bn 56.94 Bn 1.18 Bn
9 Revolution Medicines 37.37 Bn 37.37 Bn -
10 Prothena Corp Public 467.80 Mn 138.33 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