Alector (ALEC) Research & Development (2018 - 2026)

Alector (ALEC) has reported Research & Development for 9 consecutive years, with $19.5 million the latest figure, recorded in Q2 2026.

• On a quarterly basis, Research & Development fell 29.52% year-over-year to $19.5 million in Q2 2026; TTM through Jun 2026 was $99.1 million, a 36.34% decrease from a year earlier, with the FY2025 full-year figure at $123.1 million, down 33.81% from the prior year.
• Research & Development was $19.5 million for Q2 2026 at Alector, up from $17.9 million in the prior quarter.
• Over five years, Research & Development peaked at $54.5 million in Q2 2022 and troughed at $17.9 million in Q1 2026.
• A 5-year average of $41.6 million and a median of $46.3 million in 2023 frame the typical range for Research & Development.
• Across the five-year window, Research & Development grew 15.98% in 2022 and plunged 46.92% in 2026, its largest moves.
• Over 5 years, Research & Development stood at $54.5 million in 2022, then dropped by 12.42% to $47.7 million in 2023, then retreated by 2.64% to $46.5 million in 2024, then tumbled by 30.13% to $32.5 million in 2025, then tumbled by 40.05% to $19.5 million in 2026.
• The last three Research & Development figures came in at $19.5 million (Q2 2026), $17.9 million (Q1 2026), and $32.5 million (Q4 2025), per Business Quant data.