How many employees work at Altos Labs?

Altos Labs, Inc. has approximately 579 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Altos Labs’s total headcount has grown 4.2% from 556 employees in 2023 to 579 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published August 2026

Is Altos Labs hiring right now?

Yes, Altos Labs is actively hiring. Altos Labs had 43 active job postings in 2026, a 6.7% decline from 2025 — see job openings & hiring trends.

About Altos Labs’s Workforce

Altos Labs, Inc. is a Biotech and Healthcare Services company that employs 579 people worldwide as of March 2026. It is the 6th-largest by headcount among its peers. Founded in 2020, the company is headquartered in Redwood City, California.

Altos Labs's workforce has grown 4.2% from 2023 to 2026, though it is down 1.6% year over year in 2026. Its workforce is concentrated most in North America (71.7%), followed by Northern Europe (26.1%) and Southern Europe (1.1%).

Altos Labs's functional groups are Engineering (46.5%), Finance and Operations (39.7%), and Sales and Marketing (13.8%). The average salary is $166,934, ranging from a median of $171,000 in North America to $68,000 in Southern Europe, up 3.2% year over year in 2026.

Altos Labs's active job postings fell 6.7% in 2026 to 43, with new postings per month cooling from 34 in 2023 to 13 in 2026. Overall employee sentiment is neutral but improving.

Sourced from Revelio Labs workforce data.

Headquarters
Redwood City, California
Founded
2020
Industry
Biotech and Healthcare Services
Employees
579
YoY
-1.6% (-41)

Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Altos Labs. Compare to peers, export the dataset, and access the full quarterly history.

Unlock Metrics

Altos Labs Annual Employee Count (2023-2026)

Interactive chart of Altos Labs annual worldwide employee count from 2023 to 2026.
  • Altos Labs had 579 employees in 2026, a 1.6% decline (-41) from 2025.
  • Altos Labs had 609 employees in 2025, a 0.5% decline (-15) from 2024.
  • Altos Labs had 624 employees in 2024, a 0.7% decline (+31) from 2023.
  • Altos Labs had 593 employees in 2023, a 1.6% increase (+118) from 2022.

Altos Labs's total workforce has grown from 556 employees in 2023 to 579 in 2026.

Altos Labs, Inc. quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q1579-41-1.6%
2025Q4609-15-0.5%
2025Q3613-2-1.3%
2025Q2615+7-0.7%
2025Q1620+19-1.3%
2024Q4624+31-0.7%
2024Q3615+35-0.9%
2024Q2608+52-0.9%
2024Q1601+87-0.1%
2023Q4593+118+1.6%
2023Q3580+190+5.5%
2023Q2556+259+10.5%

See Altos Labs's complete headcount history, including quarterly breakdowns.

Get the Data

Altos Labs Employee Count by Region (2026)

North America accounts for the largest share of Altos Labs's global workforce with approximately 72% of total employees, followed by Northern Europe and Southern Europe.

Altos Labs employees by region

RegionEmployees% of Total
North America41071.7%
Northern Europe15026.1%
Southern Europe61.1%
South Asia40.8%
South America10.2%
Western Europe10.2%

Drill into city-level data, hiring trends by region, and historic geographic shifts.

Unlock Geographic Data

Altos Labs Employee Count by Department (2026)

Altos Labs's employee groups are Engineering (46.5%), Finance and Operations (39.7%), and Sales and Marketing (13.8%).

Altos Labs employees by department

DepartmentEmployees% of Total
Engineering26946.5%
Finance and Operations23039.7%
Sales and Marketing8013.8%

Compare Altos Labs's department mix to industry peers.

See Full Data

Altos Labs Employee Salary by Region (2026)

Altos Labs's average employee salary is $166,934 globally. Employees in North America receive the highest compensation. Pay is lowest in Southern Europe, at a median of $68,000.

Altos Labs median employee salary by region (USD)

RegionMedian Salary
North America$171,000
Northern Europe$115,000
Southern Europe$68,000

Unlock salary by role, level, and city — and compare to Altos Labs's industry peers.

Unlock Salary Data

Altos Labs Job Openings and Hiring Trends (2023-2026)

Interactive chart of Altos Labs annual active job postings from 2023 to 2026.
  • Altos Labs had 43 active job postings in 2026, a 6.7% decline (+19) from 2025.
  • Altos Labs had 24 active job postings in 2025, a 15.4% decline (-4) from 2024.
  • Altos Labs had 28 active job postings in 2024, a 25.0% decline (-8) from 2023.
  • Altos Labs had 36 active job postings in 2023, a 75.9% decline from 2022.
  • Hiring velocity in 2026: 13 new roles/month, down from 14 in 2025 and 20 in 2024.

Altos Labs's hiring is slowing: active job postings fell 6.7% in 2026 to 43, with new postings per month cooling from 34 in 2023 to 13 in 2026.

Track new postings per month, role-level demand, and hiring velocity vs. peers.

Unlock Hiring Data

Altos Labs Employee Sentiment (2026)

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

Overall

NegativePositive

Unlock the full sentiment breakdown by department, tenure, and trend over time.

Unlock Sentiment

Similar Companies

Frequently Asked Questions About Altos Labs

How fast is Altos Labs growing?
In 2026, Altos Labs's headcount shrank 1.6% to 579 employees, down from 620 in 2025.
See the full headcount history
Where are Altos Labs employees located?
Most Altos Labs employees are based in North America (71.7% of headcount), followed by Northern Europe and Southern Europe.
Explore where the workforce is based
What is the average salary at Altos Labs?
The average employee salary at Altos Labs is approximately $166.9k per year.
Analyze the salary distribution
How many new job postings does Altos Labs open per year?
In Q1 2026, Altos Labs opened 38 new job postings. In 2025, Altos Labs opened 172 new job postings — about 14 per month.
Track hiring trends by role
When was Altos Labs founded and where is it headquartered?
Altos Labs was founded in 2020 and is headquartered in Redwood City, California.
Compare Altos Labs to industry peers

Speak with a workforce expert about Altos Labs.

Book a Demo

See something that doesn't look right? Reach out and our team will review it.