How many employees work at ACELYRIN?
ACELYRIN, Inc. has approximately 32 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. ACELYRIN’s total headcount has declined 69.2% from 105 employees in 2023 to 32 in 2026.
Is ACELYRIN hiring right now?
No, ACELYRIN is not actively hiring. ACELYRIN had 0 active job postings in 2026, a 0.0% no change from 2025 — see job openings & hiring trends.
About ACELYRIN’s Workforce
ACELYRIN, Inc. is a Pharmaceuticals company that employs 32 people worldwide as of March 2026. It is the 10th-largest by headcount among its peers. Founded in 2020, the company is headquartered in Agoura Hills, California.
ACELYRIN's workforce has declined 69.2% from 2023 to 2026, down 24.7% year over year in 2026. It fell to a low of 32 in 2025 Q4 before recovering. Its workforce is concentrated most in North America (100.0%).
ACELYRIN's functional groups are Finance and Operations (55.7%), Engineering (29.7%), and Sales and Marketing (14.6%). The average salary is $224,538, highest in North America at a median of $236,000, down 6.2% year over year in 2026.
ACELYRIN's hiring activity held steady in 2026. Overall employee sentiment is negative and broadly stable.
Sourced from Revelio Labs workforce data.
- Headquarters
- Agoura Hills, California
- Founded
- 2020
- Industry
- Pharmaceuticals
- Employees
- 32
- YoY
- -24.7% (-50)
As of March 2026
ACELYRIN workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for ACELYRIN. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsACELYRIN Annual Employee Count (2023-2026)
- ACELYRIN had 32 employees in 2026, a 24.7% decline (-50) from 2025.
- ACELYRIN had 32 employees in 2025, a 26.1% decline (-58) from 2024.
- ACELYRIN had 90 employees in 2024, a 30.3% decline (-51) from 2023.
- ACELYRIN had 141 employees in 2023, a 9.1% increase (+58) from 2022.
ACELYRIN's total workforce has declined from 105 employees in 2023 to 32 in 2026.
ACELYRIN, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 32 | -50 | -24.7% |
| 2025 | Q4 | 32 | -58 | -26.1% |
| 2025 | Q3 | 36 | -68 | -28.0% |
| 2025 | Q2 | 48 | -85 | -40.3% |
| 2025 | Q1 | 82 | -51 | -27.6% |
| 2024 | Q4 | 90 | -51 | -30.3% |
| 2024 | Q3 | 104 | -22 | -22.6% |
| 2024 | Q2 | 133 | +28 | +0.9% |
| 2024 | Q1 | 133 | +42 | +4.8% |
| 2023 | Q4 | 141 | +58 | +9.1% |
| 2023 | Q3 | 126 | +49 | +11.9% |
| 2023 | Q2 | 105 | +32 | +7.6% |
See ACELYRIN's complete headcount history, including quarterly breakdowns.
Get the DataACELYRIN Employee Count by Region (2026)
North America accounts for the largest share of ACELYRIN's global workforce with approximately 100% of total employees.
ACELYRIN employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 31 | 100.0% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataACELYRIN Employee Count by Department (2026)
ACELYRIN's employee groups are Finance and Operations (55.7%), Engineering (29.7%), and Sales and Marketing (14.6%).
ACELYRIN employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 18 | 55.7% |
| Engineering | 10 | 29.7% |
| Sales and Marketing | 5 | 14.6% |
Compare ACELYRIN's department mix to industry peers.
See Full DataACELYRIN Employee Salary by Region (2026)
ACELYRIN's average employee salary is $224,538 globally. Employees in North America receive the highest compensation.
ACELYRIN median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $236,000 |
Unlock salary by role, level, and city — and compare to ACELYRIN's industry peers.
Unlock Salary DataACELYRIN Job Openings and Hiring Trends (2023-2026)
- ACELYRIN had 0 active job postings in 2026, a 0% no change from 2025.
- ACELYRIN had 0 active job postings in 2025, a 200.0% decline (-2) from 2024.
- ACELYRIN had 2 active job postings in 2024, a 111.1% decline (-5) from 2023.
- ACELYRIN had 7 active job postings in 2023, a 200.0% increase from 2022.
- Hiring velocity in 2026: 0 new roles/month, up from 0 in 2025 and 3 in 2024.
ACELYRIN's hiring activity held steady in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataACELYRIN Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across ACELYRIN's workforce based on public professional data. Overall sentiment is negative and has held steady 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 ACELYRIN
- How fast is ACELYRIN growing?
- In 2026, ACELYRIN's headcount shrank 24.7% to 32 employees, down from 82 in 2025.
- See the full headcount history
- Where are ACELYRIN employees located?
- Most ACELYRIN employees are based in North America (100.0% of headcount).
- Explore where the workforce is based
- What is the average salary at ACELYRIN?
- The average employee salary at ACELYRIN is approximately $224.5k per year.
- Analyze the salary distribution
- How many new job postings does ACELYRIN open per year?
- In Q1 2026, ACELYRIN opened 0 new job postings. In 2025, ACELYRIN opened 0 new job postings — about 0 per month.
- Track hiring trends by role
- When was ACELYRIN founded and where is it headquartered?
- ACELYRIN was founded in 2020 and is headquartered in Agoura Hills, California.
- Compare ACELYRIN to industry peers
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