Prothena Corp Public (PRTA) EBITDA (2012 - 2026)
Prothena Corp Public (PRTA) reported EBITDA of -$20.9 million for Q2 2026, compared with -$84.39 million a year earlier.
Prothena Corp Public (PRTA) EBITDA (2012 - 2026) Analysis & Trends
Over the twelve months ended Jun 30, 2026, Prothena Corp Public's EBITDA came in at -$54.68 million; for FY2025, it came in at -$213.75 million.
- By year, EBITDA came in at -$153.67 million in FY2024, -$190.11 million in FY2023, -$130.81 million in FY2022 and $73.09 million in FY2021.
- Five-year quarterly EBITDA spans a low of -$84.39 million in Q2 2025 and a high of $109.51 million in Q3 2021.
- Per Business Quant data, the three quarters before Q2 2026 came in at $30.22 million (Q1 2026), -$23.99 million (Q4 2025) and -$40.01 million (Q3 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | EBITDA (Qtr) |
|---|---|---|---|---|---|
| 1 | Johnson & Johnson | 655.56 Bn | 574.09 Bn | 17.26 Bn | 9.10 Bn |
| 2 | AbbVie | 470.94 Bn | 444.10 Bn | 12.70 Bn | 8.33 Bn |
| 3 | Merck | 367.14 Bn | 321.57 Bn | 12.21 Bn | 999.00 Mn |
| 4 | Novartis Ag | 280.33 Bn | 236.20 Bn | 11.24 Bn | - |
| 5 | Astrazeneca | 257.78 Bn | 231.34 Bn | 12.86 Bn | 5.09 Bn |
| 6 | Amgen | 226.04 Bn | 181.44 Bn | 7.24 Bn | 4.63 Bn |
| 7 | Gilead Sciences | 188.89 Bn | 163.01 Bn | 6.22 Bn | -9.70 Bn |
| 8 | Pfizer | 163.75 Bn | 110.70 Bn | 10.94 Bn | 5.89 Bn |
| 9 | Vertex Pharmaceuticals | 133.68 Bn | 105.69 Bn | 2.84 Bn | 1.30 Bn |
| 10 | Prothena Corp Public | 451.21 Mn | -804.86 Mn | - | -20.90 Mn |
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | -20.90 Mn |
| Mar 31, 2026 | 30.22 Mn |
| Dec 31, 2025 | -23.99 Mn |
| Sep 30, 2025 | -40.01 Mn |
| Jun 30, 2025 | -84.39 Mn |
| Mar 31, 2025 | -65.36 Mn |
| Dec 31, 2024 | -64.68 Mn |
| Sep 30, 2024 | -66.29 Mn |
| Jun 30, 2024 | 58.61 Mn |
| Mar 31, 2024 | -81.31 Mn |
| Dec 31, 2023 | -78.24 Mn |
| Sep 30, 2023 | 10.54 Mn |
| Jun 30, 2023 | -66.28 Mn |
| Mar 31, 2023 | -56.12 Mn |
| Dec 31, 2022 | 124,000.00 |
| Sep 30, 2022 | -50.15 Mn |
| Jun 30, 2022 | -43.03 Mn |
| Mar 31, 2022 | -37.76 Mn |
| Dec 31, 2021 | -32.85 Mn |
| Sep 30, 2021 | 109.51 Mn |
Prothena Corp Public EBITDA 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&ticker=PRTA&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "ebitda", "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&ticker=PRTA&period=max&api_key=YOUR_API_KEY");
const data = await res.json();