How many employees work at Alector?
Alector, Inc. (ALEC) has approximately 99 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Alector’s total headcount has declined 53.1% from 212 employees in 2023 to 99 in 2026.
Is Alector hiring right now?
Yes, Alector is actively hiring. Alector had 1 active job postings in 2026, a 120.0% decline from 2025 — see job openings & hiring trends.
About Alector’s Workforce
Alector, Inc. (ALEC) is a Pharmaceuticals company that employs 99 people worldwide as of March 2026. It is the 10th-largest by headcount among its peers. Founded in 2013, the company is headquartered in South San Francisco, California and trades on the NASDAQ.
Alector's workforce has declined 53.1% from 2023 to 2026, down 25.2% year over year in 2026. It fell to a low of 99 in 2026 Q1 before recovering. Its workforce is concentrated most in North America (98.2%), followed by Western Europe (0.9%) and South America (0.9%).
Alector's functional groups are Finance and Operations (47.1%), Engineering (32.5%), and Sales and Marketing (20.5%). The average salary is $224,760, highest in North America at a median of $187,000, up 1.6% year over year in 2026.
Alector's active job postings fell 120.0% in 2026 to 1, with new postings per month cooling from 7 in 2023 to 0 in 2026. Overall employee sentiment is neutral but improving.
Sourced from Revelio Labs workforce data.
- Ticker
- NASDAQ: ALEC
- Headquarters
- South San Francisco, California
- Founded
- 2013
- Industry
- Pharmaceuticals
- Employees
- 99
- YoY
- -25.2% (-59)
As of March 2026
Alector workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Alector. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsAlector Annual Employee Count (2023-2026)
- Alector had 99 employees in 2026, a 25.2% decline (-59) from 2025.
- Alector had 111 employees in 2025, a 32.2% decline (-81) from 2024.
- Alector had 192 employees in 2024, a 4.4% decline (-15) from 2023.
- Alector had 207 employees in 2023, a 6.1% decline (-27) from 2022.
Alector's total workforce has declined from 212 employees in 2023 to 99 in 2026.
Alector, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 99 | -59 | -25.2% |
| 2025 | Q4 | 111 | -81 | -32.2% |
| 2025 | Q3 | 145 | -56 | -20.7% |
| 2025 | Q2 | 151 | -56 | -22.1% |
| 2025 | Q1 | 158 | -50 | -17.4% |
| 2024 | Q4 | 192 | -15 | -4.4% |
| 2024 | Q3 | 201 | -9 | -1.5% |
| 2024 | Q2 | 207 | -5 | +0.0% |
| 2024 | Q1 | 208 | -19 | -3.0% |
| 2023 | Q4 | 207 | -27 | -6.1% |
| 2023 | Q3 | 210 | -18 | -5.9% |
| 2023 | Q2 | 212 | -20 | -6.3% |
See Alector's complete headcount history, including quarterly breakdowns.
Get the DataAlector Employee Count by Region (2026)
North America accounts for the largest share of Alector's global workforce with approximately 98% of total employees, followed by Western Europe and South America.
Alector employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 95 | 98.2% |
| Western Europe | 1 | 0.9% |
| South America | 1 | 0.9% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataAlector Employee Count by Department (2026)
Alector's employee groups are Finance and Operations (47.1%), Engineering (32.5%), and Sales and Marketing (20.5%).
Alector employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 47 | 47.1% |
| Engineering | 32 | 32.5% |
| Sales and Marketing | 20 | 20.5% |
Compare Alector's department mix to industry peers.
See Full DataAlector Employee Salary by Region (2026)
Alector's average employee salary is $224,760 globally. Employees in North America receive the highest compensation.
Alector median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $187,000 |
Unlock salary by role, level, and city — and compare to Alector's industry peers.
Unlock Salary DataAlector Job Openings and Hiring Trends (2023-2026)
- Alector had 1 active job postings in 2026, a 120.0% decline (+1) from 2025.
- Alector had 0 active job postings in 2025, a 200.0% decline (-7) from 2024.
- Alector had 7 active job postings in 2024, a 25.0% decline (-2) from 2023.
- Alector had 9 active job postings in 2023, a 133.3% decline from 2022.
- Hiring velocity in 2026: 0 new roles/month, down from 1 in 2025 and 4 in 2024.
Alector's hiring is slowing: active job postings fell 120.0% in 2026 to 1, with new postings per month cooling from 7 in 2023 to 0 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataAlector Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Alector's workforce based on public professional data. Overall sentiment is neutral and has improved year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
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Frequently Asked Questions About Alector
- How fast is Alector growing?
- In 2026, Alector's headcount shrank 25.2% to 99 employees, down from 158 in 2025.
- See the full headcount history
- Where are Alector employees located?
- Most Alector employees are based in North America (98.2% of headcount), followed by Western Europe and South America.
- Explore where the workforce is based
- What is the average salary at Alector?
- The average employee salary at Alector is approximately $224.8k per year.
- Analyze the salary distribution
- How many new job postings does Alector open per year?
- In Q1 2026, Alector opened 1 new job postings. In 2025, Alector opened 12 new job postings — about 1 per month.
- Track hiring trends by role
- When was Alector founded and where is it headquartered?
- Alector was founded in 2013 and is headquartered in South San Francisco, California.
- Compare Alector to industry peers
Speak with a workforce expert about Alector.
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