Alnylam Pharmaceuticals (ALNY) Tax Rate (2009 - 2026)

Alnylam Pharmaceuticals (ALNY) reported Tax Rate of 7.07% for Q1 2026, up 67780.0% on a YoY basis from N/an in Q1 2025, and up 124.11% quarter-over-quarter from 29.31% in Q4 2025.

Alnylam Pharmaceuticals (ALNY) Tax Rate (2009 - 2026) Analysis & Trends

Alnylam Pharmaceuticals has reported Tax Rate for 12 years, with the latest figure 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.
  • The five-year high for Tax Rate was 56.81% in Q4 2024, with the low at 670.73% in Q1 2025.
  • Historically, Tax Rate has averaged 46.29% across 5 years, with a median of 0.99% in 2022.
  • Annual changes were most pronounced in 2025 — Tax Rate tumbled 66704 bps — and 2026, when it surged 67780 bps.
  • Alnylam Pharmaceuticals' Tax Rate stood at 0.23% in 2022, then surged by 42 bps to 0.13% in 2023, then soared by 42846 bps to 56.81% in 2024, then tumbled by 152 bps to 29.31% in 2025, then jumped 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 Alterity Therapeutics 925,601.88 Bn 925,601.85 Bn - -
2 Belite Bio 58,560.00 Bn 58,560.00 Bn - -
3 Quantum Biopharma 17,284.41 Bn 17,284.40 Bn - -
4 Legend Biotech 2,809.00 Bn 2,808.71 Bn 242.10 Mn -57.14
5 Evaxion A 1,334.43 Bn 1,334.42 Bn - -6.79
6 Akari Therapeutics 1,312.27 Bn 1,312.26 Bn - 5.61
7 Psyence Biomedical 212.16 Bn 212.16 Bn - -
8 Vertex Pharmaceuticals 114.83 Bn 107.58 Bn 2.59 Bn 17.68
9 Abivax 91.96 Bn 91.96 Bn - -
10 Alnylam Pharmaceuticals 37.04 Bn 34.03 Bn 959.66 Mn 7.07

Historic Data

Download Data
DateValue
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%