How many employees work at Arcellx?

Arcellx, Inc. has approximately 198 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Arcellx’s total headcount has grown 63.8% from 121 employees in 2023 to 198 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 20232026Published August 2026

Is Arcellx hiring right now?

Yes, Arcellx is actively hiring. Arcellx had 46 active job postings in 2026, a 45.3% increase from 2025 see job openings & hiring trends.

About Arcellx’s Workforce

Arcellx, Inc. is a Pharmaceuticals company that employs 198 people worldwide as of March 2026. It is the largest by headcount among its peers. Founded in 2014, the company is headquartered in Redwood City, California.

Arcellx's workforce has grown 63.8% from 2023 to 2026, up 4.2% year over year in 2026. Its workforce is concentrated most in North America (99.5%), followed by South Asia (0.5%).

Arcellx's functional groups are Finance and Operations (46.3%), Engineering (35.7%), and Sales and Marketing (18.0%), with Sales and Marketing growing fastest (up 7.9%). The average salary is $195,713, highest in North America at a median of $165,000, up 2.2% year over year in 2026.

Arcellx's active job postings rose 45.3% in 2026 to 46, with new postings per month climbing from 14 in 2023 to 29 in 2026. Overall employee sentiment is positive and improving.

Sourced from Revelio Labs workforce data.

Headquarters
Redwood City, California
Founded
2014
Industry
Pharmaceuticals
Employees
198
YoY
+4.2% (+36)

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Arcellx Annual Employee Count (2023-2026)

Interactive chart of Arcellx annual worldwide employee count from 2023 to 2026.
  • Arcellx had 198 employees in 2026, a 4.2% increase (+36) from 2025.
  • Arcellx had 200 employees in 2025, a 9.0% increase (+50) from 2024.
  • Arcellx had 150 employees in 2024, a 1.1% decline (+21) from 2023.
  • Arcellx had 129 employees in 2023, a 8.4% increase (+28) from 2022.

Arcellx's total workforce has grown from 121 employees in 2023 to 198 in 2026.

Arcellx, Inc. quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q1198+36+4.2%
2025Q4200+50+9.0%
2025Q3188+38+6.0%
2025Q2187+27-0.5%
2025Q1162+28+2.3%
2024Q4150+21-1.1%
2024Q3150+24+4.6%
2024Q2160+39+10.6%
2024Q1134+23+5.6%
2023Q4129+28+8.4%
2023Q3126+34+7.3%
2023Q2121+36+10.3%

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Arcellx Employee Count by Region (2026)

North America accounts for the largest share of Arcellx's global workforce with approximately 100% of total employees, followed by South Asia.

Arcellx employees by region

RegionEmployees% of Total
North America19599.5%
South Asia10.5%

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Arcellx Employee Count by Department (2026)

Arcellx's employee groups are Finance and Operations (46.3%), Engineering (35.7%), and Sales and Marketing (18.0%).

Arcellx employees by department

DepartmentEmployees% of Total
Finance and Operations9246.3%
Engineering7135.7%
Sales and Marketing3618.0%

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Arcellx Employee Salary by Region (2026)

Arcellx's average employee salary is $195,713 globally. Employees in North America receive the highest compensation.

Arcellx median employee salary by region (USD)

RegionMedian Salary
North America$165,000

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Arcellx Job Openings and Hiring Trends (2023-2026)

Interactive chart of Arcellx annual active job postings from 2023 to 2026.
  • Arcellx had 46 active job postings in 2026, a 45.3% increase (-94) from 2025.
  • Arcellx had 140 active job postings in 2025, a 159.0% increase (+124) from 2024.
  • Arcellx had 16 active job postings in 2024, a 89.7% decline (-26) from 2023.
  • Arcellx had 42 active job postings in 2023, a 41.5% decline from 2022.
  • Hiring velocity in 2026: 29 new roles/month, up from 26 in 2025 and 9 in 2024.

Arcellx's hiring is accelerating: active job postings rose 45.3% in 2026 to 46, with new postings per month climbing from 14 in 2023 to 29 in 2026.

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Arcellx Employee Sentiment (2026)

Revelio Labs tracks employee sentiment across Arcellx's workforce based on public professional data. Overall sentiment is positive and has improved year over year in 2026.

Overall

NegativePositive

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Frequently Asked Questions About Arcellx

How fast is Arcellx growing?
In 2026, Arcellx's headcount grew 4.2% to 198 employees, up from 162 in 2025.
See the full headcount history
Where are Arcellx employees located?
Most Arcellx employees are based in North America (99.5% of headcount), followed by South Asia.
Explore where the workforce is based
What is the average salary at Arcellx?
The average employee salary at Arcellx is approximately $195.7k per year.
Analyze the salary distribution
How many new job postings does Arcellx open per year?
In Q1 2026, Arcellx opened 86 new job postings. In 2025, Arcellx opened 312 new job postings — about 26 per month.
Track hiring trends by role
When was Arcellx founded and where is it headquartered?
Arcellx was founded in 2014 and is headquartered in Redwood City, California.
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