How many employees work at Acceleron Pharma?

Acceleron Pharma, Inc. has approximately 44 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Acceleron Pharma’s total headcount has declined 24.0% from 57 employees in 2023 to 44 in 2026.

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

About Acceleron Pharma’s Workforce

Acceleron Pharma, Inc. is a Pharmaceuticals company that employs 44 people worldwide as of March 2026. It is the 5th-largest by headcount among its peers. Founded in 2003, the company is headquartered in Rahway, New Jersey.

Acceleron Pharma's workforce has declined 24.0% from 2023 to 2026, down 4.6% year over year in 2026. It fell to a low of 43 in 2025 Q4 before recovering. Its workforce is concentrated most in North America (99.0%), followed by South Asia (1.0%).

Acceleron Pharma's functional groups are Finance and Operations (36.6%), Sales and Marketing (36.1%), and Engineering (27.3%). The average salary is $159,701, highest in North America at a median of $122,000, down 5.1% year over year in 2026.

Overall employee sentiment is positive but declining.

Sourced from Revelio Labs workforce data.

Headquarters
Rahway, New Jersey
Founded
2003
Industry
Pharmaceuticals
Employees
44
YoY
-4.6% (-3)

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Acceleron Pharma Annual Employee Count (2023-2026)

Interactive chart of Acceleron Pharma annual worldwide employee count from 2023 to 2026.
  • Acceleron Pharma had 44 employees in 2026, a 4.6% decline (-3) from 2025.
  • Acceleron Pharma had 43 employees in 2025, a 6.4% decline (-5) from 2024.
  • Acceleron Pharma had 48 employees in 2024, a 7.5% decline (-5) from 2023.
  • Acceleron Pharma had 53 employees in 2023, a 3.6% decline (-6) from 2022.

Acceleron Pharma's total workforce has grown from 43 employees in 2025 to 44 in 2026. Acceleron Pharma's headcount peaked at 57 in 2023 before declining in 2025 and recovering through 2026.

Acceleron Pharma, Inc. quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q144-3-4.6%
2025Q443-5-6.4%
2025Q344-6-8.1%
2025Q245-4-8.1%
2025Q147-2-5.5%
2024Q448-5-7.5%
2024Q350-3-3.9%
2024Q249-8-8.4%
2024Q149-8-5.7%
2023Q453-6-3.6%
2023Q353-24-16.6%
2023Q257-32-23.3%

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Acceleron Pharma Employee Count by Region (2026)

North America accounts for the largest share of Acceleron Pharma's global workforce with approximately 99% of total employees, followed by South Asia.

Acceleron Pharma employees by region

RegionEmployees% of Total
North America4399.0%
South Asia01.0%

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Acceleron Pharma Employee Count by Department (2026)

Acceleron Pharma's employee groups are Finance and Operations (36.6%), Sales and Marketing (36.1%), and Engineering (27.3%).

Acceleron Pharma employees by department

DepartmentEmployees% of Total
Finance and Operations1636.6%
Sales and Marketing1636.1%
Engineering1227.3%

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Acceleron Pharma Employee Salary by Region (2026)

Acceleron Pharma's average employee salary is $159,701 globally. Employees in North America receive the highest compensation.

Acceleron Pharma median employee salary by region (USD)

RegionMedian Salary
North America$122,000

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Acceleron Pharma Employee Sentiment (2026)

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

Overall

NegativePositive

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Frequently Asked Questions About Acceleron Pharma

How fast is Acceleron Pharma growing?
In 2026, Acceleron Pharma's headcount shrank 4.6% to 44 employees, down from 47 in 2025.
See the full headcount history
Where are Acceleron Pharma employees located?
Most Acceleron Pharma employees are based in North America (99.0% of headcount), followed by South Asia.
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What is the average salary at Acceleron Pharma?
The average employee salary at Acceleron Pharma is approximately $159.7k per year.
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When was Acceleron Pharma founded and where is it headquartered?
Acceleron Pharma was founded in 2003 and is headquartered in Rahway, New Jersey.
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