How many employees work at Rayzebio?
Rayzebio, Inc. has approximately 213 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Rayzebio’s total headcount has grown 161.6% from 81 employees in 2023 to 213 in 2026.
Is Rayzebio hiring right now?
No, Rayzebio is not actively hiring. Rayzebio had 0 active job postings in 2026, a 200.0% decline from 2025 — see job openings & hiring trends.
About Rayzebio’s Workforce
Rayzebio, Inc. is a Biotech and Healthcare Services company that employs 213 people worldwide as of March 2026. It is the 8th-largest by headcount among its peers. Founded in 2020, the company is headquartered in San Diego, California.
Rayzebio's workforce has grown 161.6% from 2023 to 2026, up 0.9% year over year in 2026. Its workforce is concentrated most in North America (95.4%), followed by East Asia (3.0%) and Western Europe (0.8%).
Rayzebio's functional groups are Finance and Operations (48.1%), Engineering (30.2%), and Sales and Marketing (21.8%), with Finance and Operations growing fastest (up 8.7%). The average salary is $148,834, highest in North America at a median of $136,000, up 1.2% year over year in 2026.
Rayzebio's active job postings fell 200.0% in 2026 to 0, with new postings per month cooling from 7 in 2023 to 0 in 2026. Overall employee sentiment is negative and declining.
Sourced from Revelio Labs workforce data.
- Headquarters
- San Diego, California
- Founded
- 2020
- Industry
- Biotech and Healthcare Services
- Employees
- 213
- YoY
- +0.9% (+41)
As of March 2026
Rayzebio workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Rayzebio. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsRayzebio Annual Employee Count (2023-2026)
- Rayzebio had 213 employees in 2026, a 0.9% increase (+41) from 2025.
- Rayzebio had 204 employees in 2025, a 2.2% increase (+41) from 2024.
- Rayzebio had 163 employees in 2024, a 6.7% increase (+64) from 2023.
- Rayzebio had 99 employees in 2023, a 1.3% increase (+31) from 2022.
Rayzebio's total workforce has grown from 81 employees in 2023 to 213 in 2026.
Rayzebio, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 213 | +41 | +0.9% |
| 2025 | Q4 | 204 | +41 | +2.2% |
| 2025 | Q3 | 191 | +41 | +1.6% |
| 2025 | Q2 | 188 | +60 | +8.1% |
| 2025 | Q1 | 172 | +59 | +8.6% |
| 2024 | Q4 | 163 | +64 | +6.7% |
| 2024 | Q3 | 150 | +62 | +6.2% |
| 2024 | Q2 | 128 | +47 | +4.6% |
| 2024 | Q1 | 113 | +40 | +1.0% |
| 2023 | Q4 | 99 | +31 | +1.3% |
| 2023 | Q3 | 88 | +17 | -4.4% |
| 2023 | Q2 | 81 | +12 | -8.1% |
See Rayzebio's complete headcount history, including quarterly breakdowns.
Get the DataRayzebio Employee Count by Region (2026)
North America accounts for the largest share of Rayzebio's global workforce with approximately 95% of total employees, followed by East Asia and Western Europe.
Rayzebio employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 201 | 95.4% |
| East Asia | 6 | 3.0% |
| Western Europe | 2 | 0.8% |
| Northern Europe | 1 | 0.4% |
| Southeast Asia | 1 | 0.4% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataRayzebio Employee Count by Department (2026)
Rayzebio's employee groups are Finance and Operations (48.1%), Engineering (30.2%), and Sales and Marketing (21.8%).
Rayzebio employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 102 | 48.1% |
| Engineering | 64 | 30.2% |
| Sales and Marketing | 46 | 21.8% |
Compare Rayzebio's department mix to industry peers.
See Full DataRayzebio Employee Salary by Region (2026)
Rayzebio's average employee salary is $148,834 globally. Employees in North America receive the highest compensation.
Rayzebio median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $136,000 |
Unlock salary by role, level, and city — and compare to Rayzebio's industry peers.
Unlock Salary DataRayzebio Job Openings and Hiring Trends (2023-2026)
- Rayzebio had 0 active job postings in 2026, a 200.0% decline (-2) from 2025.
- Rayzebio had 2 active job postings in 2025, a 111.1% decline (-5) from 2024.
- Rayzebio had 7 active job postings in 2024, a 54.5% increase (+3) from 2023.
- Rayzebio had 4 active job postings in 2023, a 120.0% increase from 2022.
- Hiring velocity in 2026: 0 new roles/month, down from 2 in 2025 and 8 in 2024.
Rayzebio's hiring is slowing: active job postings fell 200.0% in 2026 to 0, with new postings per month cooling from 7 in 2023 to 0 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataRayzebio Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Rayzebio'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 Rayzebio
- How fast is Rayzebio growing?
- In 2026, Rayzebio's headcount grew 0.9% to 213 employees, up from 172 in 2025.
- See the full headcount history
- Where are Rayzebio employees located?
- Most Rayzebio employees are based in North America (95.4% of headcount), followed by East Asia and Western Europe.
- Explore where the workforce is based
- What is the average salary at Rayzebio?
- The average employee salary at Rayzebio is approximately $148.8k per year.
- Analyze the salary distribution
- How many new job postings does Rayzebio open per year?
- In Q1 2026, Rayzebio opened 0 new job postings. In 2025, Rayzebio opened 23 new job postings — about 2 per month.
- Track hiring trends by role
- When was Rayzebio founded and where is it headquartered?
- Rayzebio was founded in 2020 and is headquartered in San Diego, California.
- Compare Rayzebio to industry peers
Speak with a workforce expert about Rayzebio.
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