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.
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Analysis
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 Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | EBITDA Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Eli Lilly | 1,264.65 Bn | 1,238.27 Bn | 20.46 Bn | 54.65% |
| 2 | Johnson & Johnson | 677.74 Bn | 597.60 Bn | 17.30 Bn | 32.68% |
| 3 | AbbVie | 517.10 Bn | 485.11 Bn | 13.12 Bn | 46.88% |
| 4 | Merck | 362.23 Bn | 325.17 Bn | 13.19 Bn | 40.75% |
| 5 | Novartis Ag | 315.90 Bn | 276.16 Bn | 11.24 Bn | - |
| 6 | Astrazeneca | 289.40 Bn | 266.24 Bn | 12.86 Bn | - |
| 7 | Amgen | 249.90 Bn | 201.56 Bn | 7.58 Bn | 46.62% |
| 8 | Gilead Sciences | 209.15 Bn | 184.26 Bn | 6.73 Bn | 50.63% |
| 9 | Pfizer | 165.88 Bn | 113.23 Bn | 12.56 Bn | 42.49% |
| 10 | Prothena Corp Public | 448.53 Mn | -748.10 Mn | - | -3,001.94% |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | -3,001.94% |
| 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 | -3,166.92% |
| Mar 31, 2022 | -3,148.57% |
| Dec 31, 2021 | -2,679.86% |
API Access
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_KEYimport 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();