Prothena Corp Public (PRTA) Accumulated Expenses (2012 - 2026)
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.
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 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
| Date | Value |
|---|---|
| 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 |
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
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "accumulated-expenses", "ticker": "PRTA", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()
const res = await fetch("https://data.businessquant.com/historic?slug=accumulated-expenses&ticker=PRTA&period=max&api_key=YOUR_API_KEY");
const data = await res.json();