How many employees work at Altos Labs?
Altos Labs, Inc. has approximately 581 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Altos Labs’s total headcount has grown 4.3% from 556 employees in 2023 to 581 in 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 581 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 4.3% from 2023 to 2026, though it is down 1.6% year over year in 2026. Its workforce is concentrated most in North America (72.3%), followed by Northern Europe (23.3%) and South Asia (1.3%).
Altos Labs's functional groups are Engineering (45.8%), Finance and Operations (40.7%), and Sales and Marketing (13.6%). The average salary is $163,886, ranging from a median of $170,000 in North America to $12,000 in South America, up 2.7% 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 negative and declining.
Sourced from Revelio Labs workforce data.
- Headquarters
- Redwood City, California
- Founded
- 2020
- Industry
- Biotech and Healthcare Services
- Employees
- 581
- YoY
- -1.6% (-33)
As of March 2026
Altos Labs workforce metrics
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 MetricsAltos Labs Annual Employee Count (2023-2026)
- Altos Labs had 581 employees in 2026, a 1.6% decline (-33) from 2025.
- Altos Labs had 607 employees in 2025, a 0.5% decline (-11) from 2024.
- Altos Labs had 618 employees in 2024, a 0.4% decline (+29) from 2023.
- Altos Labs had 589 employees in 2023, a 1.2% increase (+108) from 2022.
Altos Labs's total workforce has grown from 556 employees in 2023 to 581 in 2026.
Altos Labs, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 581 | -33 | -1.6% |
| 2025 | Q4 | 607 | -11 | -0.5% |
| 2025 | Q3 | 610 | +0 | -1.3% |
| 2025 | Q2 | 610 | +7 | -0.9% |
| 2025 | Q1 | 614 | +18 | -1.1% |
| 2024 | Q4 | 618 | +29 | -0.4% |
| 2024 | Q3 | 610 | +32 | -0.9% |
| 2024 | Q2 | 603 | +47 | -1.1% |
| 2024 | Q1 | 596 | +79 | -0.3% |
| 2023 | Q4 | 589 | +108 | +1.2% |
| 2023 | Q3 | 578 | +178 | +5.2% |
| 2023 | Q2 | 556 | +243 | +10.2% |
See Altos Labs's complete headcount history, including quarterly breakdowns.
Get the DataAltos 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 South Asia.
Altos Labs employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 413 | 72.3% |
| Northern Europe | 133 | 23.3% |
| South Asia | 8 | 1.3% |
| Southern Europe | 6 | 1.0% |
| South America | 5 | 0.9% |
| Central America and the Caribbean | 4 | 0.7% |
| Western Europe | 3 | 0.6% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataAltos Labs Employee Count by Department (2026)
Altos Labs's employee groups are Engineering (45.8%), Finance and Operations (40.7%), and Sales and Marketing (13.6%).
Altos Labs employees by department
| Department | Employees | % of Total |
|---|---|---|
| Engineering | 266 | 45.8% |
| Finance and Operations | 236 | 40.7% |
| Sales and Marketing | 79 | 13.6% |
Compare Altos Labs's department mix to industry peers.
See Full DataAltos Labs Employee Salary by Region (2026)
Altos Labs's average employee salary is $163,886 globally. Employees in North America receive the highest compensation. Pay is lowest in South America, at a median of $12,000.
Altos Labs median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $170,000 |
| Northern Europe | $116,000 |
| Western Europe | $97,000 |
| Southern Europe | $68,000 |
| South Asia | $18,000 |
| South America | $12,000 |
Unlock salary by role, level, and city — and compare to Altos Labs's industry peers.
Unlock Salary DataAltos Labs Job Openings and Hiring Trends (2023-2026)
- 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 DataAltos Labs Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Altos Labs's workforce based on public professional data. Overall sentiment is negative and has declined year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Unlock SentimentSimilar Companies
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Frequently Asked Questions About Altos Labs
- How fast is Altos Labs growing?
- In 2026, Altos Labs's headcount shrank 1.6% to 581 employees, down from 614 in 2025.
- See the full headcount history
- Where are Altos Labs employees located?
- Most Altos Labs employees are based in North America (72.3% of headcount), followed by Northern Europe and South Asia.
- Explore where the workforce is based
- What is the average salary at Altos Labs?
- The average employee salary at Altos Labs is approximately $163.9k 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.
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