Prothena Corp Public PRTA
NASDAQ PRTA
$8.78 +0.06 (+0.69%)
At close: Sep 29, 2026 · 4:00 PM EDT

Prothena Corp Public (PRTA) EBITDA Margin (2013 - 2026)

Updated

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.

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 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

Historic Data

Download Data
DateValue
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%
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_KEY