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.
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 Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) |
|---|---|---|---|---|
| 1 | Eli Lilly | 1,264.65 Bn | 1,238.27 Bn | 20.46 Bn |
| 2 | Johnson & Johnson | 677.74 Bn | 597.60 Bn | 17.30 Bn |
| 3 | AbbVie | 517.10 Bn | 485.11 Bn | 13.12 Bn |
| 4 | Merck | 362.23 Bn | 325.17 Bn | 13.19 Bn |
| 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 |
| 8 | Gilead Sciences | 209.15 Bn | 184.26 Bn | 6.73 Bn |
| 9 | Pfizer | 165.88 Bn | 113.23 Bn | 12.56 Bn |
| 10 | Prothena Corp Public | 448.53 Mn | -748.10 Mn | - |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 158.84 Mn |
| 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 |
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_KEY
import 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();