Alkermes ALKS
NASDAQ ALKS
$40.80 +0.65 (+1.62%)
At close: Sep 29, 2026 · 4:00 PM EDT

Alkermes (ALKS) Tax Rate (2012 - 2025)

Updated

Alkermes' Tax Rate came in at 127.93% for Q2 2026, up 111.01 percentage points from 16.92% a year earlier and up 135.36 percentage points from the prior quarter.

Analysis

Alkermes (ALKS) Tax Rate (2012 - 2025) Analysis & Trends

Over the trailing twelve months to Jun 30, 2026, Alkermes reported Tax Rate of 32.04%, up 16.86 percentage points year-over-year; for FY2025, it came in at 17.08%, up 0.94 percentage points from FY2024.

  • Tax Rate carries a five-year change of +31.92 percentage points (FY2020 to FY2025).
  • Going back by year, Tax Rate was 16.14% in FY2024 (+39.30 pp), -23.16% in FY2023 (-16.66 pp), -6.50% in FY2022 (-19.41 pp) and 12.91% in FY2021 (+27.75 pp).
  • The Q2 2026 figure represents the highest quarterly Tax Rate since Q4 2017.
  • Year-over-year, Tax Rate increased in five of the last eight quarters, with an average year-over-year change of +36.83 percentage points.
  • The fastest year-over-year change in Tax Rate over five years came in Q4 2024 (a gain of 189.51 percentage points), and the weakest in Q4 2023 (a drop of 190.71 percentage points).
  • Business Quant data shows ALKS's Tax Rate at -7.43% (Q1 2026), 18.20% (Q4 2025) and 17.87% (Q3 2025) in the three quarters before Q2 2026.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Tax Rate (Qtr)
1 Johnson & Johnson 655.56 Bn 574.09 Bn 17.26 Bn 17.98%
2 AbbVie 470.94 Bn 444.10 Bn 12.70 Bn 15.47%
3 Merck 367.14 Bn 321.57 Bn 12.21 Bn -
4 Novartis Ag 280.33 Bn 236.20 Bn 11.24 Bn -
5 Astrazeneca 257.78 Bn 231.34 Bn 12.86 Bn -
6 Amgen 226.04 Bn 181.44 Bn 7.24 Bn 14.20%
7 Gilead Sciences 188.89 Bn 163.01 Bn 6.22 Bn -
8 Pfizer 163.75 Bn 110.70 Bn 10.94 Bn -
9 Vertex Pharmaceuticals 133.68 Bn 105.69 Bn 2.84 Bn 20.98%
10 Alkermes 6.73 Bn 3.86 Bn 397.90 Mn -
Historic Data

Historic Data

Download Data
DateValue
Dec 31, 2025 18.20%
Sep 30, 2025 17.87%
Jun 30, 2025 16.92%
Mar 31, 2025 11.87%
Dec 31, 2024 14.19%
Sep 30, 2024 15.82%
Jun 30, 2024 18.93%
Mar 31, 2024 17.05%
Sep 30, 2023 1.29%
Jun 30, 2023 0.97%
Dec 31, 2022 15.40%
Dec 31, 2021 1.43%
Jun 30, 2021 58.20%
Sep 30, 2020 106.11%
Dec 31, 2017 190.76%
Dec 31, 2014 25.17%
Jun 30, 2013 27.04%
Mar 31, 2013 61.87%
Dec 31, 2012 21.32%
Jun 30, 2012 3.29%
API Access

Alkermes Tax Rate 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-rate&ticker=ALKS&period=max&api_key=YOUR_API_KEY