Prothena Corp Public (PRTA) Tax Provisions (2012 - 2026)
Prothena Corp Public (PRTA) recorded Tax Provisions of $2,000 in Q2 2026, down 100.0% from $44.8 million a year earlier but up 100.0% from the prior quarter.
Prothena Corp Public (PRTA) Tax Provisions (2012 - 2026) Analysis & Trends
On a TTM basis, Prothena Corp Public's Tax Provisions came in at -$434,000 as of Jun 30, 2026; for FY2025, it was $43.26 million.
- Across earlier years, Tax Provisions came in at -$6.62 million in FY2024, -$13.45 million in FY2023, -$8.66 million in FY2022 and $4.95 million in FY2021.
- Quarterly Tax Provisions has ranged from -$4.31 million in Q2 2023 to $44.8 million in Q2 2025 over the past five years.
- Per Business Quant, the preceding three quarters came in at $1,000 (Q1 2026), -$37,000 (Q4 2025) and -$400,000 (Q3 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Taxes (Qtr) |
|---|---|---|---|---|---|
| 1 | Johnson & Johnson | 645.01 Bn | 563.54 Bn | 17.26 Bn | 1.21 Bn |
| 2 | AbbVie | 465.23 Bn | 438.39 Bn | 12.70 Bn | 662.00 Mn |
| 3 | Merck | 368.40 Bn | 322.83 Bn | 12.21 Bn | 654.00 Mn |
| 4 | Novartis Ag | 278.02 Bn | 233.89 Bn | 11.24 Bn | -1.01 Bn |
| 5 | Astrazeneca | 254.57 Bn | 228.13 Bn | 12.86 Bn | -291.00 Mn |
| 6 | Amgen | 229.02 Bn | 184.42 Bn | 7.24 Bn | 393.00 Mn |
| 7 | Gilead Sciences | 187.74 Bn | 161.85 Bn | 6.22 Bn | 242.00 Mn |
| 8 | Pfizer | 163.75 Bn | 110.70 Bn | 10.94 Bn | -407.00 Mn |
| 9 | Vertex Pharmaceuticals | 133.45 Bn | 105.45 Bn | 2.84 Bn | 292.00 Mn |
| 10 | Prothena Corp Public | 454.32 Mn | -801.76 Mn | - | 2,000.00 |
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 2,000.00 |
| Mar 31, 2026 | 1,000.00 |
| Dec 31, 2025 | -37,000.00 |
| Sep 30, 2025 | -400,000.00 |
| Jun 30, 2025 | 44.80 Mn |
| Mar 31, 2025 | -1.20 Mn |
| Dec 31, 2024 | -1.52 Mn |
| Sep 30, 2024 | -835,000.00 |
| Jun 30, 2024 | -2.04 Mn |
| Mar 31, 2024 | -2.20 Mn |
| Dec 31, 2023 | -3.14 Mn |
| Sep 30, 2023 | -3.10 Mn |
| Jun 30, 2023 | -4.31 Mn |
| Mar 31, 2023 | -2.91 Mn |
| Dec 31, 2022 | -2.96 Mn |
| Sep 30, 2022 | -2.70 Mn |
| Jun 30, 2022 | -1.33 Mn |
| Mar 31, 2022 | -1.70 Mn |
| Dec 31, 2021 | 46,000.00 |
| Sep 30, 2021 | -51,000.00 |
Prothena Corp Public Tax Provisions 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=tax-provisions&ticker=PRTA&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-provisions", "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=tax-provisions&ticker=PRTA&period=max&api_key=YOUR_API_KEY");
const data = await res.json();