Prothena Corp Public (PRTA) Enterprise Value (2012 - 2026)
Prothena Corp Public (PRTA) posted Enterprise Value of $218.38 million for Q2 2026, compared with -$44.71 million a year earlier and up 17.1% from the prior quarter.
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Analysis
Prothena Corp Public (PRTA) Enterprise Value (2012 - 2026) Analysis & Trends
For the trailing twelve months through Jun 30, 2026, Enterprise Value at Prothena Corp Public was -$749.5 million; for FY2025, it came in at $206.57 million, down 24.6% from FY2024.
- Annual Enterprise Value has declined for three consecutive years, though with a five-year compound annual growth rate of 2.3% (FY2020 to FY2025).
- In prior years, Prothena Corp Public's Enterprise Value was $274.12 million in FY2024 (-79.4%), $1.33 billion in FY2023 (-45.2%), $2.43 billion in FY2022 (+40.7%) and $1.73 billion in FY2021 (+837.6%).
- The Q2 2026 figure stands as the highest quarterly Enterprise Value since Q1 2025.
- The strongest year-over-year quarter for Enterprise Value in the past five years was Q4 2021, with growth of 837.6%; the weakest was Q2 2024, with a decline of 81.8%.
- According to Business Quant data, Enterprise Value for the three prior quarters was $186.41 million (Q1 2026), $206.57 million (Q4 2025) and $194.54 million (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) |
|---|---|---|---|---|
| 1 | Johnson & Johnson | 655.56 Bn | 574.09 Bn | 17.26 Bn |
| 2 | AbbVie | 470.94 Bn | 444.10 Bn | 12.70 Bn |
| 3 | Merck | 367.14 Bn | 321.57 Bn | 12.21 Bn |
| 4 | Novartis Ag | 280.33 Bn | 236.20 Bn | 11.24 Bn |
| 5 | Astrazeneca | 257.78 Bn | 231.34 Bn | 12.86 Bn |
| 6 | Amgen | 226.04 Bn | 181.44 Bn | 7.24 Bn |
| 7 | Gilead Sciences | 188.89 Bn | 163.01 Bn | 6.22 Bn |
| 8 | Pfizer | 163.75 Bn | 110.70 Bn | 10.94 Bn |
| 9 | Vertex Pharmaceuticals | 133.68 Bn | 105.69 Bn | 2.84 Bn |
| 10 | Prothena Corp Public | 451.21 Mn | -804.86 Mn | - |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 218.38 Mn |
| Mar 31, 2026 | 186.41 Mn |
| Dec 31, 2025 | 206.57 Mn |
| Sep 30, 2025 | 194.54 Mn |
| Jun 30, 2025 | -44.71 Mn |
| Mar 31, 2025 | 248.44 Mn |
| Dec 31, 2024 | 274.12 Mn |
| Sep 30, 2024 | 380.96 Mn |
| Jun 30, 2024 | 545.73 Mn |
| Mar 31, 2024 | 784.14 Mn |
| Dec 31, 2023 | 1.33 Bn |
| Sep 30, 2023 | 1.92 Bn |
| Jun 30, 2023 | 2.99 Bn |
| Mar 31, 2023 | 1.87 Bn |
| Dec 31, 2022 | 2.43 Bn |
| Sep 30, 2022 | 2.41 Bn |
| Jun 30, 2022 | 762.09 Mn |
| Mar 31, 2022 | 1.17 Bn |
| Dec 31, 2021 | 1.73 Bn |
| Sep 30, 2021 | 2.71 Bn |
API Access
Prothena Corp Public Enterprise Value 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=enterprise-value&ticker=PRTA&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "enterprise-value", "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=enterprise-value&ticker=PRTA&period=max&api_key=YOUR_API_KEY");
const data = await res.json();