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

Alnylam Pharmaceuticals (ALNY) posted Tax Rate of 7.07% for Q1 2026, up 124.1% on a QoQ basis from 29.31% in Q4 2025, and up 67780.0% year-over-year from N/an in Q1 2025.

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

Alnylam Pharmaceuticals' Tax Rate history runs 14 years deep, the most recent figure standing at 7.07% for Q1 2026.

  • Quarterly Tax Rate rose 67780.0% year-over-year to 7.07% in Q1 2026, while the trailing twelve-month figure through Mar 2026 was 1.66% (down 2544.0% YoY) and the FY2025 annual result came in at 2.91%, down 2338.0% from the prior year.
  • Tax Rate was 7.07% for Q1 2026 at Alnylam Pharmaceuticals, 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.
  • A 5-year average of 46.29% and a median of 0.99% in 2022 frame the typical range for Tax Rate.
  • Annual changes were most pronounced in 2025 — Tax Rate slumped 66704 bps — and 2026, when it surged 67780 bps.
  • Alnylam Pharmaceuticals' Tax Rate stood at 0.23% in 2022, then jumped by 42 bps to 0.13% in 2023, then surged by 42846 bps to 56.81% in 2024, then sank by 152 bps to 29.31% in 2025, then soared by 124 bps to 7.07% in 2026.
  • Business Quant data shows ALNY's Tax Rate at 7.07% in Q1 2026, 29.31% in Q4 2025, and 4.32% in Q3 2025.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Tax Rate (Qtr)
1 Oculis Holding AG 67,072.09 Bn 67,072.09 Bn - -0.34
2 Nanobiotix 1,894.61 Bn 1,894.55 Bn - -
3 Akari Therapeutics 1,014.18 Bn 1,014.18 Bn - 5.61
4 BeOne Medicines 471.64 Bn 466.85 Bn 1.35 Bn 12.29
5 Vertex Pharmaceuticals 121.72 Bn 114.47 Bn 2.59 Bn 17.68
6 Regeneron Pharmaceuticals 68.28 Bn 59.52 Bn 3.31 Bn 12.51
7 Belite Bio 61.40 Bn 61.40 Bn - -
8 Argenx Se 56.94 Bn 56.94 Bn 1.18 Bn -13.70
9 Revolution Medicines 37.37 Bn 37.37 Bn - -
10 Alnylam Pharmaceuticals 36.08 Bn 33.07 Bn 959.66 Mn 7.07

Historic Data

Download Data
DateValue
Mar 31, 2026 7.07
Mar 31, 2026 7.07
Mar 31, 2026 7.07
Dec 31, 2025 -29.31
Dec 31, 2025 -29.31
Dec 31, 2025 -29.31
Sep 30, 2025 -4.32
Sep 30, 2025 -4.32
Sep 30, 2025 -4.32
Jun 30, 2025 -87.45
Jun 30, 2025 -87.45
Jun 30, 2025 -87.45
Mar 31, 2025 -670.73
Mar 31, 2025 -670.73
Mar 31, 2025 -670.73
Dec 31, 2024 56.81
Dec 31, 2024 56.81
Dec 31, 2024 56.81
Sep 30, 2024 -2.68
Sep 30, 2024 -2.68