Prothena Corp Public PRTA
NASDAQ PRTA
$8.54 +0.16 (+1.91%)
At close: Oct 1, 2026 · 4:00 PM EDT

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

Updated

Prothena Corp Public (PRTA) reported Accumulated Expenses of $550,000 for Q2 2026, down 98.2% from $30.33 million a year earlier and down 93.6% from the prior quarter.

Analysis

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

At the end of FY2025, Prothena Corp Public posted Accumulated Expenses of $13.3 million, down 0.9% from FY2024.

  • Accumulated Expenses has a five-year compound annual growth rate of 8.0% (FY2020 to FY2025).
  • By year, Accumulated Expenses came in at $13.43 million in FY2024 (-8.8%), $14.72 million in FY2023 (+36.4%), $10.79 million in FY2022 (+70.0%) and $6.35 million in FY2021 (-29.8%).
  • The Q2 2026 figure ranks as the lowest quarterly Accumulated Expenses since Q4 2012.
  • Year over year, Accumulated Expenses gained in two of the last six quarters, with growth averaging 1.7%.
  • The high point for year-over-year Accumulated Expenses in five years was Q3 2022 (growth of 118.1%); the low point was Q2 2026 (a decline of 98.2%).
  • Per Business Quant data, the three quarters before Q2 2026 came in at $8.59 million (Q1 2026), $13.3 million (Q4 2025) and $17.61 million (Q3 2025).
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr)
1 Johnson & Johnson 638.12 Bn 556.64 Bn 17.26 Bn
2 AbbVie 462.60 Bn 435.75 Bn 12.70 Bn
3 Merck 358.70 Bn 313.13 Bn 12.21 Bn
4 Novartis Ag 272.16 Bn 228.03 Bn 11.24 Bn
5 Astrazeneca 250.36 Bn 223.92 Bn 12.86 Bn
6 Amgen 227.87 Bn 183.27 Bn 7.24 Bn
7 Gilead Sciences 184.97 Bn 159.08 Bn 6.22 Bn
8 Pfizer 162.61 Bn 109.56 Bn 10.94 Bn
9 Vertex Pharmaceuticals 132.45 Bn 104.46 Bn 2.84 Bn
10 Prothena Corp Public 433.62 Mn -822.46 Mn -
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 550,000.00
Mar 31, 2026 8.59 Mn
Dec 31, 2025 13.30 Mn
Sep 30, 2025 17.61 Mn
Jun 30, 2025 30.33 Mn
Dec 31, 2024 13.43 Mn
Sep 30, 2024 10.34 Mn
Jun 30, 2024 15.93 Mn
Mar 31, 2024 17.34 Mn
Dec 31, 2023 14.72 Mn
Sep 30, 2023 18.00 Mn
Jun 30, 2023 18.93 Mn
Mar 31, 2023 14.16 Mn
Dec 31, 2022 10.79 Mn
Sep 30, 2022 11.59 Mn
Jun 30, 2022 9.19 Mn
Mar 31, 2022 6.66 Mn
Dec 31, 2021 6.35 Mn
Sep 30, 2021 5.32 Mn
Jun 30, 2021 8.38 Mn
API Access

Prothena Corp Public Accumulated Expenses API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=accumulated-expenses&ticker=PRTA&period=max&api_key=YOUR_API_KEY