How many employees work at Transition Bio?

Transition Bio, Inc. has approximately 26 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Transition Bio’s total headcount has declined 53.6% from 56 employees in 2023 to 26 in 2026.

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

Is Transition Bio hiring right now?

No, Transition Bio is not actively hiring. Transition Bio had 0 active job postings in 2026, a 0.0% no change from 2025 see job openings & hiring trends.

About Transition Bio’s Workforce

Transition Bio, Inc. is a Biotech and Healthcare Services company that employs 26 people worldwide as of March 2026. It is the 8th-largest by headcount among its peers. Founded in 2020, the company is headquartered in Watertown, Massachusetts.

Transition Bio's workforce has declined 53.6% from 2023 to 2026, down 11.2% year over year in 2026. It fell to a low of 23 in 2025 Q2 before recovering. Its workforce is concentrated most in Northern Europe (84.5%), followed by North America (15.5%).

Transition Bio's functional groups are Engineering (47.4%), Finance and Operations (36.9%), and Sales and Marketing (15.7%), with Engineering growing fastest (up 18.7%). The average salary is $110,777, ranging from a median of $180,000 in North America to $76,000 in Northern Europe, down 15.3% year over year in 2026.

Transition Bio's hiring activity held steady in 2026. Overall employee sentiment is neutral but declining.

Sourced from Revelio Labs workforce data.

Headquarters
Watertown, Massachusetts
Founded
2020
Industry
Biotech and Healthcare Services
Employees
26
YoY
-11.2% (-4)

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Transition Bio Annual Employee Count (2023-2026)

Interactive chart of Transition Bio annual worldwide employee count from 2023 to 2026.
  • Transition Bio had 26 employees in 2026, a 11.2% decline (-4) from 2025.
  • Transition Bio had 27 employees in 2025, a 3.2% decline (-5) from 2024.
  • Transition Bio had 32 employees in 2024, a 21.8% decline (-21) from 2023.
  • Transition Bio had 53 employees in 2023, a 1.5% decline (-12) from 2022.

Transition Bio's total workforce has grown from 23 employees in 2025 to 26 in 2026. Transition Bio's headcount peaked at 56 in 2023 before declining in 2025 and recovering through 2026.

Transition Bio, Inc. quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q126-4-11.2%
2025Q427-5-3.2%
2025Q324-9+0.4%
2025Q223-12-6.6%
2025Q130-7+0.7%
2024Q432-21-21.8%
2024Q333-17-17.4%
2024Q235-21-21.6%
2024Q137-19-12.9%
2023Q453-12-1.5%
2023Q350-20-8.5%
2023Q256-2-2.1%

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Transition Bio Employee Count by Region (2026)

Northern Europe accounts for the largest share of Transition Bio's global workforce with approximately 85% of total employees, followed by North America.

Transition Bio employees by region

RegionEmployees% of Total
Northern Europe2284.5%
North America415.5%

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Transition Bio Employee Count by Department (2026)

Transition Bio's employee groups are Engineering (47.4%), Finance and Operations (36.9%), and Sales and Marketing (15.7%).

Transition Bio employees by department

DepartmentEmployees% of Total
Engineering1247.4%
Finance and Operations1036.9%
Sales and Marketing415.7%

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Transition Bio Employee Salary by Region (2026)

Transition Bio's average employee salary is $110,777 globally. Employees in North America receive the highest compensation, with median pay approximately 1.6x the global average. Pay is lowest in Northern Europe, at a median of $76,000.

Transition Bio median employee salary by region (USD)

RegionMedian Salary
North America$180,000
Northern Europe$76,000

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Transition Bio Job Openings and Hiring Trends (2023-2026)

Interactive chart of Transition Bio annual active job postings from 2023 to 2026.
  • Transition Bio had 0 active job postings in 2026, a 0% no change from 2025.
  • Transition Bio had 0 active job postings in 2025, a 0% no change from 2024.
  • Transition Bio had 0 active job postings in 2024, a 0% no change from 2023.
  • Transition Bio had 0 active job postings in 2023, a 200.0% decline from 2022.
  • Hiring velocity in 2026: 0 new roles/month, down from 1 in 2025 and 1 in 2024.

Transition Bio's hiring activity held steady in 2026.

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Transition Bio Employee Sentiment (2026)

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

Overall

NegativePositive

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Frequently Asked Questions About Transition Bio

How fast is Transition Bio growing?
In 2026, Transition Bio's headcount shrank 11.2% to 26 employees, down from 30 in 2025.
See the full headcount history
Where are Transition Bio employees located?
Most Transition Bio employees are based in Northern Europe (84.5% of headcount), followed by North America.
Explore where the workforce is based
What is the average salary at Transition Bio?
The average employee salary at Transition Bio is approximately $110.8k per year.
Analyze the salary distribution
How many new job postings does Transition Bio open per year?
In Q1 2026, Transition Bio opened 0 new job postings. In 2025, Transition Bio opened 8 new job postings — about 1 per month.
Track hiring trends by role
When was Transition Bio founded and where is it headquartered?
Transition Bio was founded in 2020 and is headquartered in Watertown, Massachusetts.
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