Alector (ALEC) Tax Rate (2021 - 2026)

Alector (ALEC) posted quarterly Tax Rate of 2.37% for Q4 2024, down 1237.0% year-over-year from 0.21% in Q1 2024, and down 1152.85% quarter-over-quarter from 0.19% in Q2 2024.

Alector (ALEC) Tax Rate (2021 - 2026) Analysis & Trends

Alector (ALEC) has reported Tax Rate for 4 consecutive years, with 2.37% the latest figure, recorded in Q4 2024.

  • In Q4 2024, Tax Rate fell 1237.0% year-over-year to 2.37%; the TTM figure through Sep 2025 stood at 0.04% (down 253.0% YoY), while the FY2024 annual figure was 0.11%, down 45.0% from the prior year.
  • Tax Rate retreated to 2.37% in Q4 2024 per ALEC's latest filing, from 0.19% in the prior quarter.
  • Across five years, Tax Rate topped out at 50.33% in Q2 2023 and bottomed at 2.9% in Q3 2023.
  • Historically, Tax Rate has averaged 5.95% across 4 years, with a median of 0.79% in 2022.
  • Annual changes were most pronounced in 2023 — Tax Rate jumped 4079 bps — and 2024, when it sank 5051 bps.
  • Alector's Tax Rate stood at 13.72% in 2021, then tumbled by 110 bps to 1.39% in 2022, then surged by 817 bps to 10.0% in 2023, then slumped by 124 bps to 2.37% in 2024.
  • Business Quant data shows ALEC's Tax Rate at 2.37% in Q4 2024, 0.19% in Q2 2024, and 0.02% in Q1 2024.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Tax Rate (Qtr)
1 Vertex Pharmaceuticals 128.13 Bn 120.28 Bn 2.84 Bn 20.98%
2 Regeneron Pharmaceuticals 112.33 Bn 104.33 Bn 3.93 Bn 15.11%
3 Argenx Se 53.24 Bn 48.05 Bn 1.41 Bn 10.91%
4 Revolution Medicines 43.64 Bn 43.64 Bn - -
5 BeOne Medicines 39.27 Bn 34.17 Bn 1.53 Bn 24.15%
6 MindWalk Holdings 35.32 Bn 35.31 Bn 1.82 Bn -9.47%
7 Royalty Pharma 33.72 Bn 35.84 Bn - -
8 Alnylam Pharmaceuticals 30.58 Bn 27.27 Bn 992.69 Mn 7.49%
9 Insmed 27.01 Bn 25.85 Bn 358.27 Mn -16.71%
10 Alector 218.85 Mn 46.05 Mn - -0.57%

Historic Data

Download Data
DateValue
Jun 30, 2026 -0.57%
Jun 30, 2026 -0.57%
Jun 30, 2026 -0.57%
Dec 31, 2025 80.81%
Dec 31, 2025 80.81%
Dec 31, 2025 80.81%
Dec 31, 2024 -2.37%
Dec 31, 2024 -2.37%
Dec 31, 2024 -2.37%
Jun 30, 2024 -0.19%
Jun 30, 2024 -0.19%
Jun 30, 2024 -0.19%
Mar 31, 2024 -0.02%
Mar 31, 2024 -0.02%
Mar 31, 2024 -0.02%
Dec 31, 2023 10.00%
Dec 31, 2023 10.00%
Dec 31, 2023 10.00%
Sep 30, 2023 -2.90%
Sep 30, 2023 -2.90%