Alnylam Pharmaceuticals (ALNY) Tax Rate (2009 - 2026)
Alnylam Pharmaceuticals posted quarterly Tax Rate of 7.07% for Q1 2026, up 67780.0% year-on-year from N/an in Q1 2025, and up 124.11% on a QoQ basis from 29.31% in Q4 2025.
Alnylam Pharmaceuticals (ALNY) has 12 years of Tax Rate data on file, last reported at 7.07% in Q1 2026.
- For the quarter ending Q1 2026, Tax Rate rose 67780.0% year-over-year to 7.07%; the trailing twelve-month figure through Mar 2026 stood at 1.66% (down 2544.0% YoY), and the FY2025 full-year result was 2.91%, down 2338.0% from the prior year.
- Tax Rate for Q1 2026 stood at 7.07%, up from 29.31% in the prior quarter.
- Across five years, Tax Rate topped out at 56.81% in Q4 2024 and bottomed at 670.73% in Q1 2025.
- The 5-year median for Tax Rate is 0.99% (2022), against an average of 46.29%.
- The widest annual swing landed in 2025, when Tax Rate sank 66704 bps; it then surged 67780 bps in 2026.
- A 5-year view of Tax Rate shows it stood at 0.23% in 2022, then soared by 42 bps to 0.13% in 2023, then jumped by 42846 bps to 56.81% in 2024, then slumped by 152 bps to 29.31% in 2025, then surged by 124 bps to 7.07% in 2026.
- The last three Tax Rate figures came in at 7.07% (Q1 2026), 29.31% (Q4 2025), and 4.32% (Q3 2025), per Business Quant data.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Quantum Biopharma | 961,148.99 Bn | 961,148.98 Bn | - | - |
| 2 | Alterity Therapeutics | 744,933.29 Bn | 744,933.26 Bn | - | - |
| 3 | Legend Biotech | 2,540.00 Bn | 2,539.71 Bn | 242.10 Mn | 57.14 |
| 4 | Nanobiotix | 2,199.85 Bn | 2,199.78 Bn | - | - |
| 5 | Akari Therapeutics | 1,635.88 Bn | 1,635.88 Bn | - | 5.61 |
| 6 | Vertex Pharmaceuticals | 111.32 Bn | 104.07 Bn | 2.59 Bn | 17.68 |
| 7 | Evaxion A | 62.56 Bn | 62.54 Bn | - | -6.79 |
| 8 | Regeneron Pharmaceuticals | 62.55 Bn | 53.79 Bn | 3.31 Bn | 12.51 |
| 9 | Alnylam Pharmaceuticals | 39.57 Bn | 36.56 Bn | 959.66 Mn | 7.07 |
| 10 | Revolution Medicines | 32.39 Bn | 32.39 Bn | - | - |
Historic Data
Download Data| Date | Value |
|---|---|
| Mar 31, 2026 | 7.07 |
| Mar 31, 2026 | 7.07 |
| Dec 31, 2025 | -29.31 |
| Dec 31, 2025 | -29.31 |
| Sep 30, 2025 | -4.32 |
| Sep 30, 2025 | -4.32 |
| Jun 30, 2025 | -87.45 |
| Jun 30, 2025 | -87.45 |
| Mar 31, 2025 | -670.73 |
| Mar 31, 2025 | -670.73 |
| Dec 31, 2024 | 56.81 |
| Dec 31, 2024 | 56.81 |
| Sep 30, 2024 | -2.68 |
| Sep 30, 2024 | -2.68 |
| Jun 30, 2024 | -51.24 |
| Jun 30, 2024 | -51.24 |
| Mar 31, 2024 | -3.69 |
| Mar 31, 2024 | -3.69 |
| Dec 31, 2023 | -0.13 |
| Dec 31, 2023 | -0.13 |
| Sep 30, 2023 | 1.98 |
| Sep 30, 2023 | 1.98 |
| Jun 30, 2023 | -0.66 |
| Jun 30, 2023 | -0.66 |
| Mar 31, 2023 | -1.01 |
| Mar 31, 2023 | -1.01 |
| Dec 31, 2022 | -0.23 |
| Dec 31, 2022 | -0.23 |
| Sep 30, 2022 | 0.01 |
| Sep 30, 2022 | 0.01 |
| Jun 30, 2022 | -0.99 |
| Jun 30, 2022 | -0.99 |
| Mar 31, 2022 | -0.41 |
| Mar 31, 2022 | -0.41 |
| Dec 31, 2021 | 0.71 |
| Dec 31, 2021 | 0.71 |
| Sep 30, 2021 | -0.14 |
| Sep 30, 2021 | -0.14 |
| Jun 30, 2021 | -0.65 |
| Jun 30, 2021 | -0.65 |
| Mar 31, 2021 | -0.51 |
| Mar 31, 2021 | -0.51 |
| Dec 31, 2020 | 0.02 |
| Dec 31, 2020 | 0.02 |
| Sep 30, 2020 | -0.33 |
| Sep 30, 2020 | -0.33 |
| Jun 30, 2020 | -0.75 |
| Jun 30, 2020 | -0.75 |
| Mar 31, 2020 | -0.32 |
| Mar 31, 2020 | -0.32 |
| Dec 31, 2019 | 0.14 |
| Dec 31, 2019 | 0.14 |
| Sep 30, 2019 | 0.19 |
| Sep 30, 2019 | 0.19 |
| Jun 30, 2019 | -0.44 |
| Jun 30, 2019 | -0.44 |
| Mar 31, 2019 | -0.38 |
| Mar 31, 2019 | -0.38 |
| Dec 31, 2018 | -0.17 |
| Dec 31, 2018 | -0.17 |
| Sep 30, 2018 | -0.18 |
| Sep 30, 2018 | -0.18 |
| Jun 30, 2018 | -0.05 |
| Jun 30, 2018 | -0.05 |
| Mar 31, 2018 | 0.04 |
| Mar 31, 2018 | 0.04 |
| Dec 31, 2013 | -10.30 |
| Dec 31, 2013 | -10.30 |
| Sep 30, 2013 | 7.10 |
| Sep 30, 2013 | 7.10 |
| Jun 30, 2013 | 13.70 |
| Jun 30, 2013 | 13.70 |
| Mar 31, 2013 | 5.87 |
| Mar 31, 2013 | 5.87 |
| Dec 31, 2010 | -6.57 |
| Dec 31, 2010 | -6.57 |
| Sep 30, 2010 | -3.19 |
| Sep 30, 2010 | -3.19 |
| Jun 30, 2010 | 1.54 |
| Jun 30, 2010 | 1.54 |
| Mar 31, 2010 | -0.15 |
| Mar 31, 2010 | -0.15 |
| Dec 31, 2009 | 5.33 |
| Dec 31, 2009 | 5.33 |
| Sep 30, 2009 | 5.66 |
| Sep 30, 2009 | 5.66 |
| Jun 30, 2009 | -4.17 |
| Jun 30, 2009 | -4.17 |