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.
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Analysis
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 Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Taxes (Qtr) |
|---|---|---|---|---|---|
| 1 | Eli Lilly | 1,169.76 Bn | 1,138.35 Bn | 19.71 Bn | 2.15 Bn |
| 2 | Johnson & Johnson | 648.06 Bn | 567.92 Bn | 17.30 Bn | -176.00 Mn |
| 3 | AbbVie | 503.37 Bn | 476.48 Bn | 12.70 Bn | 662.00 Mn |
| 4 | Merck | 365.39 Bn | 319.77 Bn | 12.21 Bn | 654.00 Mn |
| 5 | Novartis Ag | 303.45 Bn | 267.44 Bn | 11.24 Bn | 1.01 Bn |
| 6 | Astrazeneca | 269.03 Bn | 242.72 Bn | 12.86 Bn | 291.00 Mn |
| 7 | Amgen | 242.08 Bn | 197.48 Bn | 7.24 Bn | 393.00 Mn |
| 8 | Gilead Sciences | 194.88 Bn | 169.07 Bn | 6.22 Bn | 242.00 Mn |
| 9 | Pfizer | 172.39 Bn | 119.04 Bn | 10.94 Bn | -407.00 Mn |
| 10 | Prothena Corp Public | 429.99 Mn | -826.08 Mn | - | 2,000.00 |
Historic Data
Download Data
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 |
API Access
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_KEYimport 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();