Prothena Corp Public (PRTA) FCF Margin (2013 - 2026)
Prothena Corp Public (PRTA) posted FCF Margin of -2544.65% for Q2 2026, down 1494.29 percentage points from -1050.36% a year earlier and down 2601.18 percentage points from the prior quarter.
Prothena Corp Public (PRTA) FCF Margin (2013 - 2026) Analysis & Trends
For the trailing twelve months through Jun 30, 2026, FCF Margin at Prothena Corp Public was -111.34%, up 1753.48 percentage points year-over-year; for FY2025, it came in at -1690.60%, down 1579.36 percentage points from FY2024.
- Annual FCF Margin shows a five-year change of +7753.48 percentage points (FY2020 to FY2025).
- In prior years, Prothena Corp Public's FCF Margin was -111.24% in FY2024 (+38.39 pp), -149.63% in FY2023 (+53.11 pp), -202.74% in FY2022 (-248.62 pp) and 45.88% in FY2021 (+9489.96 pp).
- Quarterly FCF Margin has run from a low of -146308.00% in Q1 2024 to a high of 80.40% in Q3 2021 over five years.
- On a year-over-year basis, FCF Margin increased in four of the last eight quarters, with an average year-over-year change of +5968.63 percentage points.
- The strongest year-over-year quarter for FCF Margin in the past five years was Q1 2025, with a gain of 144419.56 percentage points; the weakest was Q1 2024, with a drop of 144117.77 percentage points.
- According to Business Quant data, FCF Margin for the three prior quarters was 56.53% (Q1 2026), -111009.52% (Q4 2025) and -1680.12% (Q3 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | FCF Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Johnson & Johnson | 655.56 Bn | 574.09 Bn | 17.26 Bn | 28.82% |
| 2 | AbbVie | 470.94 Bn | 444.10 Bn | 12.70 Bn | 18.33% |
| 3 | Merck | 367.14 Bn | 321.57 Bn | 12.21 Bn | 26.96% |
| 4 | Novartis Ag | 280.33 Bn | 236.20 Bn | 11.24 Bn | 43.05% |
| 5 | Astrazeneca | 257.78 Bn | 231.34 Bn | 12.86 Bn | 34.72% |
| 6 | Amgen | 226.04 Bn | 181.44 Bn | 7.24 Bn | 34.70% |
| 7 | Gilead Sciences | 188.89 Bn | 163.01 Bn | 6.22 Bn | 44.00% |
| 8 | Pfizer | 163.75 Bn | 110.70 Bn | 10.94 Bn | 2.01% |
| 9 | Vertex Pharmaceuticals | 133.68 Bn | 105.69 Bn | 2.84 Bn | 30.39% |
| 10 | Prothena Corp Public | 451.21 Mn | -804.86 Mn | - | -2,544.65% |
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | -2,544.65% |
| Mar 31, 2026 | 56.53% |
| Dec 31, 2025 | -111,009.52% |
| Sep 30, 2025 | -1,680.12% |
| Jun 30, 2025 | -1,050.36% |
| Mar 31, 2025 | -1,888.44% |
| Dec 31, 2024 | -2,252.24% |
| Sep 30, 2024 | -4,659.28% |
| Jun 30, 2024 | 11.98% |
| Mar 31, 2024 | -146,308.00% |
| Dec 31, 2023 | -16,641.46% |
| Sep 30, 2023 | 10.69% |
| Jun 30, 2023 | -1,137.05% |
| Mar 31, 2023 | -2,190.23% |
| Dec 31, 2022 | -10.27% |
| Sep 30, 2022 | -2,063.09% |
| Jun 30, 2022 | -2,700.00% |
| Mar 31, 2022 | -3,246.92% |
| Dec 31, 2021 | -1,943.43% |
| Sep 30, 2021 | 80.40% |
Prothena Corp Public FCF 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=fcf-margin&ticker=PRTA&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "fcf-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=fcf-margin&ticker=PRTA&period=max&api_key=YOUR_API_KEY");
const data = await res.json();