Prothena Corp Public PRTA
NASDAQ PRTA
$8.38 -0.40 (-4.56%)
At close: Sep 30, 2026 · 4:00 PM EDT

Prothena Corp Public (PRTA) Tax Provisions (2012 - 2026)

Updated

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.

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 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

Historic Data

Download Data
DateValue
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.

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