How many employees work at Annexon?
Annexon, Inc. (ANNX) has approximately 96 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Annexon’s total headcount has grown 27.1% from 75 employees in 2023 to 96 in 2026.
Is Annexon hiring right now?
Yes, Annexon is actively hiring. Annexon had 4 active job postings in 2026, a 120.0% increase from 2025 — see job openings & hiring trends.
About Annexon’s Workforce
Annexon, Inc. (ANNX) is a Pharmaceuticals company that employs 96 people worldwide as of March 2026. It is the 7th-largest by headcount among its peers. Founded in 2011, the company is headquartered in Brisbane, California and trades on the NASDAQ.
Annexon's workforce has grown 27.1% from 2023 to 2026, though it is down 4.2% year over year in 2026. It fell to a low of 74 in 2023 Q4 before recovering. Its workforce is concentrated most in North America (100.0%).
Annexon's functional groups are Finance and Operations (49.9%), Sales and Marketing (26.2%), and Engineering (23.9%). The average salary is $272,065, highest in North America at a median of $250,000.
Annexon's active job postings rose 120.0% in 2026 to 4, with new postings per month cooling from 7 in 2023 to 2 in 2026. Overall employee sentiment is negative and declining.
Sourced from Revelio Labs workforce data.
- Ticker
- NASDAQ: ANNX
- Headquarters
- Brisbane, California
- Founded
- 2011
- Industry
- Pharmaceuticals
- Employees
- 96
- YoY
- -4.2% (-12)
As of March 2026
Annexon workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Annexon. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsAnnexon Annual Employee Count (2023-2026)
- Annexon had 96 employees in 2026, a 4.2% decline (-12) from 2025.
- Annexon had 96 employees in 2025, a 5.5% decline (-9) from 2024.
- Annexon had 105 employees in 2024, a 8.9% increase (+31) from 2023.
- Annexon had 74 employees in 2023, a 0.5% decline (-7) from 2022.
Annexon's total workforce has grown from 75 employees in 2023 to 96 in 2026.
Annexon, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 96 | -12 | -4.2% |
| 2025 | Q4 | 96 | -9 | -5.5% |
| 2025 | Q3 | 99 | +6 | -2.6% |
| 2025 | Q2 | 107 | +29 | +3.6% |
| 2025 | Q1 | 108 | +32 | +7.4% |
| 2024 | Q4 | 105 | +31 | +8.9% |
| 2024 | Q3 | 93 | +18 | +7.9% |
| 2024 | Q2 | 78 | +3 | +5.6% |
| 2024 | Q1 | 76 | -4 | +2.0% |
| 2023 | Q4 | 74 | -7 | -0.5% |
| 2023 | Q3 | 75 | -5 | +0.3% |
| 2023 | Q2 | 75 | +1 | +2.5% |
See Annexon's complete headcount history, including quarterly breakdowns.
Get the DataAnnexon Employee Count by Region (2026)
North America accounts for the largest share of Annexon's global workforce with approximately 100% of total employees.
Annexon employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 93 | 100.0% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataAnnexon Employee Count by Department (2026)
Annexon's employee groups are Finance and Operations (49.9%), Sales and Marketing (26.2%), and Engineering (23.9%).
Annexon employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 47 | 49.9% |
| Sales and Marketing | 25 | 26.2% |
| Engineering | 23 | 23.9% |
Compare Annexon's department mix to industry peers.
See Full DataAnnexon Employee Salary by Region (2026)
Annexon's average employee salary is $272,065 globally. Employees in North America receive the highest compensation.
Annexon median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $250,000 |
Unlock salary by role, level, and city — and compare to Annexon's industry peers.
Unlock Salary DataAnnexon Job Openings and Hiring Trends (2023-2026)
- Annexon had 4 active job postings in 2026, a 120.0% increase (-1) from 2025.
- Annexon had 5 active job postings in 2025, a 153.5% decline (-33) from 2024.
- Annexon had 38 active job postings in 2024, a 145.5% increase (+32) from 2023.
- Annexon had 6 active job postings in 2023, a 50.0% decline from 2022.
- Hiring velocity in 2026: 2 new roles/month, up from 2 in 2025 and 15 in 2024.
Annexon's active job postings rose 120.0% in 2026 to 4, with new postings per month cooling from 7 in 2023 to 2 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataAnnexon Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Annexon's workforce based on public professional data. Overall sentiment is negative and has declined 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 Annexon
- How fast is Annexon growing?
- In 2026, Annexon's headcount shrank 4.2% to 96 employees, down from 108 in 2025.
- See the full headcount history
- Where are Annexon employees located?
- Most Annexon employees are based in North America (100.0% of headcount).
- Explore where the workforce is based
- What is the average salary at Annexon?
- The average employee salary at Annexon is approximately $272.1k per year.
- Analyze the salary distribution
- How many new job postings does Annexon open per year?
- In Q1 2026, Annexon opened 5 new job postings. In 2025, Annexon opened 25 new job postings — about 2 per month.
- Track hiring trends by role
- When was Annexon founded and where is it headquartered?
- Annexon was founded in 2011 and is headquartered in Brisbane, California.
- Compare Annexon to industry peers
Speak with a workforce expert about Annexon.
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