Prothena Corp Public (PRTA) Liabilities and Shareholders Equity (2012 - 2026)
Prothena Corp Public's Liabilities and Shareholders Equity was $302.58 million in Q2 2026, down 24.2% from $399.07 million a year earlier and down 13.5% from the prior quarter.
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Analysis
Prothena Corp Public (PRTA) Liabilities and Shareholders Equity (2012 - 2026) Analysis & Trends
At the end of FY2025, Liabilities and Shareholders Equity at Prothena Corp Public came in at $326.8 million, down 40.3% from FY2024.
- Liabilities and Shareholders Equity has now declined for three consecutive years, with a five-year compound annual growth rate of -0.4% (FY2020 to FY2025).
- In earlier years, Liabilities and Shareholders Equity was $547.11 million in FY2024 (-21.4%), $696.38 million in FY2023 (-8.1%), $758.04 million in FY2022 (+24.4%) and $609.37 million in FY2021 (+83.0%).
- The Q2 2026 figure marks the lowest quarterly Liabilities and Shareholders Equity since Q1 2015.
- Compared with a year earlier, Liabilities and Shareholders Equity has declined for 11 straight quarters, with an average decline of 29.4% over the last eight quarters.
- The best year-over-year quarter for Liabilities and Shareholders Equity over five years was Q4 2021 (growth of 83.0%); the worst was Q3 2025 (a decline of 40.8%).
- Per Business Quant data, PRTA's Liabilities and Shareholders Equity in the three quarters before Q2 2026 was $349.89 million (Q1 2026), $326.8 million (Q4 2025) and $352.63 million (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Liabilities and Shareholders Equity (Qtr) |
|---|---|---|---|---|---|
| 1 | Johnson & Johnson | 638.12 Bn | 556.64 Bn | 17.26 Bn | 201.06 Bn |
| 2 | AbbVie | 462.60 Bn | 435.75 Bn | 12.70 Bn | 135.12 Bn |
| 3 | Merck | 358.70 Bn | 313.13 Bn | 12.21 Bn | 129.80 Bn |
| 4 | Novartis Ag | 272.16 Bn | 228.03 Bn | 11.24 Bn | 122.03 Bn |
| 5 | Astrazeneca | 250.36 Bn | 223.92 Bn | 12.86 Bn | 115.83 Bn |
| 6 | Amgen | 227.87 Bn | 183.27 Bn | 7.24 Bn | 95.64 Bn |
| 7 | Gilead Sciences | 184.97 Bn | 159.08 Bn | 6.22 Bn | 49.36 Bn |
| 8 | Pfizer | 162.61 Bn | 109.56 Bn | 10.94 Bn | 201.13 Bn |
| 9 | Vertex Pharmaceuticals | 132.45 Bn | 104.46 Bn | 2.84 Bn | 27.42 Bn |
| 10 | Prothena Corp Public | 433.62 Mn | -822.46 Mn | - | 302.58 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 302.58 Mn |
| Mar 31, 2026 | 349.89 Mn |
| Dec 31, 2025 | 326.80 Mn |
| Sep 30, 2025 | 352.63 Mn |
| Jun 30, 2025 | 399.07 Mn |
| Mar 31, 2025 | 495.34 Mn |
| Dec 31, 2024 | 547.11 Mn |
| Sep 30, 2024 | 595.25 Mn |
| Jun 30, 2024 | 645.57 Mn |
| Mar 31, 2024 | 623.19 Mn |
| Dec 31, 2023 | 696.38 Mn |
| Sep 30, 2023 | 746.92 Mn |
| Jun 30, 2023 | 720.65 Mn |
| Mar 31, 2023 | 741.59 Mn |
| Dec 31, 2022 | 758.04 Mn |
| Sep 30, 2022 | 554.44 Mn |
| Jun 30, 2022 | 549.59 Mn |
| Mar 31, 2022 | 581.41 Mn |
| Dec 31, 2021 | 609.37 Mn |
| Sep 30, 2021 | 632.70 Mn |
API Access
Prothena Corp Public Liabilities and Shareholders Equity 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=liabilities-and-shareholders-equity&ticker=PRTA&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "liabilities-and-shareholders-equity", "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=liabilities-and-shareholders-equity&ticker=PRTA&period=max&api_key=YOUR_API_KEY");
const data = await res.json();