Alector, Inc. (ALEC)

Alector Employees

Alector had 103 employees as of December 31, 2025. The number of employees decreased by 135 or 56.72% compared to the previous year. That makes Alector the 31,204th largest employer in the world and 3,995th in the United States.

• Employees: 103
• Change (1Y): -135
• Growth (1Y): -56.72%
• Revenue / Employee: $134,592
• Profits / Employee: -$1,144,214
• Market Cap: 333.58M

Employees Chart

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Employees History

Date	Employees	Change (1Y)	Growth (1Y)
Dec 31, 2025	103	-135	-56.72%
Sep 30, 2025	156	-85	-35.27%
Jun 30, 2025	163	-82	-33.47%
Mar 31, 2025	175	-69	-28.28%
Dec 31, 2024	238	-6	-2.46%
Sep 30, 2024	241	-5	-2.03%
Jun 30, 2024	245	6	2.51%
Mar 31, 2024	244	-29	-10.62%
Dec 31, 2023	244	-29	-10.62%
Sep 30, 2023	246	-23	-8.55%
Jun 30, 2023	239	-30	-11.15%
Mar 31, 2023	273	36	15.19%
Dec 31, 2022	273	65	31.25%
Sep 30, 2022	269	84	45.41%
Jun 30, 2022	269	85	46.20%
Mar 31, 2022	237	56	30.94%
Dec 31, 2021	208	37	21.64%
Sep 30, 2021	185	23	14.20%
Jun 30, 2021	184	31	20.26%
Mar 31, 2021	181	55	43.65%

Data Source: S&P Global Market Intelligence Last updated: Dec 31, 2025

Employee data is provided by S&P Global Market Intelligence and updates every three months after the filing of each quarterly report.

Update frequency:

Quarterly

Last checked:

Oct 21, 2026

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