Prothena Corp Public (PRTA) Net Margin (2013 - 2026)
Prothena Corp Public (PRTA) posted Net Margin of -1839.90% for Q2 2026, up 1005.51 percentage points from -2845.41% a year earlier but down 1903.95 percentage points from the prior quarter.
Prothena Corp Public (PRTA) Net Margin (2013 - 2026) Analysis & Trends
For the trailing twelve months through Jun 30, 2026, Net Margin at Prothena Corp Public was -80.67%, up 2848.63 percentage points year-over-year; for FY2025, it came in at -2520.57%, down 2430.08 percentage points from FY2024.
- Annual Net Margin shows a five-year change of +10509.21 percentage points (FY2020 to FY2025).
- In prior years, Prothena Corp Public's Net Margin was -90.49% in FY2024 (+70.42 pp), -160.91% in FY2023 (+56.04 pp), -216.95% in FY2022 (-250.35 pp) and 33.39% in FY2021 (+13063.17 pp).
- Quarterly Net Margin has run from a low of -144478.00% in Q1 2024 to a high of 78.50% in Q3 2021 over five years.
- On a year-over-year basis, Net Margin increased in five of the last eight quarters, with an average year-over-year change of +7457.62 percentage points.
- The strongest year-over-year quarter for Net Margin in the past five years was Q1 2025, with a gain of 142349.46 percentage points; the weakest was Q1 2024, with a drop of 142317.37 percentage points.
- According to Business Quant data, Net Margin for the three prior quarters was 64.05% (Q1 2026), -102804.76% (Q4 2025) and -1513.08% (Q3 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Net Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Johnson & Johnson | 655.56 Bn | 574.09 Bn | 17.26 Bn | 21.86% |
| 2 | AbbVie | 470.94 Bn | 444.10 Bn | 12.70 Bn | 21.27% |
| 3 | Merck | 367.14 Bn | 321.57 Bn | 12.21 Bn | -8.04% |
| 4 | Novartis Ag | 280.33 Bn | 236.20 Bn | 11.24 Bn | 22.61% |
| 5 | Astrazeneca | 257.78 Bn | 231.34 Bn | 12.86 Bn | 18.81% |
| 6 | Amgen | 226.04 Bn | 181.44 Bn | 7.24 Bn | 23.62% |
| 7 | Gilead Sciences | 188.89 Bn | 163.01 Bn | 6.22 Bn | -134.51% |
| 8 | Pfizer | 163.75 Bn | 110.70 Bn | 10.94 Bn | -1.65% |
| 9 | Vertex Pharmaceuticals | 133.68 Bn | 105.69 Bn | 2.84 Bn | 32.99% |
| 10 | Prothena Corp Public | 451.21 Mn | -804.86 Mn | - | -1,839.90% |
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | -1,839.90% |
| Mar 31, 2026 | 64.05% |
| Dec 31, 2025 | -102,804.76% |
| Sep 30, 2025 | -1,513.08% |
| Jun 30, 2025 | -2,845.41% |
| Mar 31, 2025 | -2,128.54% |
| Dec 31, 2024 | -2,729.91% |
| Sep 30, 2024 | -6,082.58% |
| Jun 30, 2024 | 50.67% |
| Mar 31, 2024 | -144,478.00% |
| Dec 31, 2023 | -21,353.16% |
| Sep 30, 2023 | 25.81% |
| Jun 30, 2023 | -1,358.42% |
| Mar 31, 2023 | -2,160.63% |
| Dec 31, 2022 | 12.72% |
| Sep 30, 2022 | -3,016.74% |
| Jun 30, 2022 | -3,143.60% |
| Mar 31, 2022 | -3,147.44% |
| Dec 31, 2021 | -2,830.97% |
| Sep 30, 2021 | 78.50% |
Prothena Corp Public Net Margin 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=net-margin&ticker=PRTA&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "net-margin", "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=net-margin&ticker=PRTA&period=max&api_key=YOUR_API_KEY");
const data = await res.json();