Prothena Corp Public (PRTA) EBITDA Margin (2013 - 2026)
Prothena Corp Public's EBITDA Margin was -2069.70% in Q2 2026, down 160.40 percentage points from -1909.30% a year earlier and down 2128.86 percentage points from the prior quarter.
Prothena Corp Public (PRTA) EBITDA Margin (2013 - 2026) Analysis & Trends
On a trailing twelve-month basis, Prothena Corp Public's EBITDA Margin was -100.28% through Jun 30, 2026, up 2614.28 percentage points year-over-year; for FY2025, it was -2207.20%, down 2093.50 percentage points from FY2024.
- EBITDA Margin shows a five-year change of +10831.49 percentage points (FY2020 to FY2025).
- In earlier years, EBITDA Margin was -113.70% in FY2024 (+94.37 pp), -208.06% in FY2023 (+34.61 pp), -242.67% in FY2022 (-279.11 pp) and 36.44% in FY2021 (+13075.13 pp).
- Quarterly EBITDA Margin has moved between -162626.00% (Q1 2024) and 78.68% (Q3 2021) over five years.
- Compared with a year earlier, EBITDA Margin was higher in four of the last eight quarters, with an average year-over-year change of +8680.85 percentage points.
- The best year-over-year quarter for EBITDA Margin over five years was Q1 2025 (a gain of 160314.90 percentage points); the worst was Q1 2024 (a drop of 160038.45 percentage points).
- Per Business Quant data, PRTA's EBITDA Margin in the three quarters before Q2 2026 was 59.16% (Q1 2026), -114214.29% (Q4 2025) and -1656.77% (Q3 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | EBITDA Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Johnson & Johnson | 655.56 Bn | 574.09 Bn | 17.26 Bn | 35.95% |
| 2 | AbbVie | 470.94 Bn | 444.10 Bn | 12.70 Bn | 49.01% |
| 3 | Merck | 367.14 Bn | 321.57 Bn | 12.21 Bn | 6.02% |
| 4 | Novartis Ag | 280.33 Bn | 236.20 Bn | 11.24 Bn | - |
| 5 | Astrazeneca | 257.78 Bn | 231.34 Bn | 12.86 Bn | 33.11% |
| 6 | Amgen | 226.04 Bn | 181.44 Bn | 7.24 Bn | 46.01% |
| 7 | Gilead Sciences | 188.89 Bn | 163.01 Bn | 6.22 Bn | -124.26% |
| 8 | Pfizer | 163.75 Bn | 110.70 Bn | 10.94 Bn | 39.16% |
| 9 | Vertex Pharmaceuticals | 133.68 Bn | 105.69 Bn | 2.84 Bn | 39.10% |
| 10 | Prothena Corp Public | 451.21 Mn | -804.86 Mn | - | -2,069.70% |
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | -2,069.70% |
| Mar 31, 2026 | 59.16% |
| Dec 31, 2025 | -114,214.29% |
| Sep 30, 2025 | -1,656.77% |
| Jun 30, 2025 | -1,909.30% |
| Mar 31, 2025 | -2,311.10% |
| Dec 31, 2024 | -3,046.44% |
| Sep 30, 2024 | -6,833.71% |
| Jun 30, 2024 | 44.40% |
| Mar 31, 2024 | -162,626.00% |
| Dec 31, 2023 | -24,759.18% |
| Sep 30, 2023 | 12.42% |
| Jun 30, 2023 | -1,649.22% |
| Mar 31, 2023 | -2,587.55% |
| Dec 31, 2022 | 0.25% |
| Sep 30, 2022 | -3,305.87% |
| Jun 30, 2022 | -3,279.34% |
| Mar 31, 2022 | -3,275.11% |
| Dec 31, 2021 | -2,803.07% |
| Sep 30, 2021 | 78.68% |
Prothena Corp Public EBITDA 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=ebitda-margin&ticker=PRTA&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "ebitda-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=ebitda-margin&ticker=PRTA&period=max&api_key=YOUR_API_KEY");
const data = await res.json();