How many employees work at Personalis?
Personalis, Inc. (PSNL) has approximately 291 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Personalis’s total headcount has declined 0.5% from 292 employees in 2023 to 291 in 2026.
Is Personalis hiring right now?
Yes, Personalis is actively hiring. Personalis had 57 active job postings in 2026, a 130.4% increase from 2025 — see job openings & hiring trends.
About Personalis’s Workforce
Personalis, Inc. (PSNL) is a Biotech and Healthcare Services company that employs 291 people worldwide as of March 2026. It is the 7th-largest by headcount among its peers. Founded in 2011, the company is headquartered in Fremont, California and trades on the NASDAQ.
Personalis's workforce has held roughly steady from 2023 to 2026, though it is up 5.4% year over year in 2026. It fell to a low of 251 in 2024 Q3 before recovering. Its workforce is concentrated most in North America (91.2%), followed by East Asia (4.5%) and Southeast Asia (1.2%).
Personalis's functional groups are Engineering (38.1%), Finance and Operations (36.4%), and Sales and Marketing (25.5%), with Engineering growing fastest (up 9.7%). The average salary is $153,546, ranging from a median of $152,000 in North America to $35,000 in East Asia.
Personalis's active job postings rose 130.4% in 2026 to 57, with new postings per month climbing from 11 in 2023 to 24 in 2026. Overall employee sentiment is neutral but declining.
Sourced from Revelio Labs workforce data.
- Ticker
- NASDAQ: PSNL
- Headquarters
- Fremont, California
- Founded
- 2011
- Industry
- Biotech and Healthcare Services
- Employees
- 291
- YoY
- +5.4% (+38)
As of March 2026
Personalis workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Personalis. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsPersonalis Annual Employee Count (2023-2026)
- Personalis had 291 employees in 2026, a 5.4% increase (+38) from 2025.
- Personalis had 280 employees in 2025, a 5.2% increase (+26) from 2024.
- Personalis had 254 employees in 2024, a 13.1% decline (-36) from 2023.
- Personalis had 290 employees in 2023, a 13.7% decline (-100) from 2022.
Personalis's total workforce has grown from 251 employees in 2024 to 291 in 2026. Personalis's headcount peaked at 299 in 2023 before declining in 2024 and recovering through 2025 and 2026.
Personalis, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 291 | +38 | +5.4% |
| 2025 | Q4 | 280 | +26 | +5.2% |
| 2025 | Q3 | 271 | +20 | +5.5% |
| 2025 | Q2 | 257 | -2 | -0.1% |
| 2025 | Q1 | 253 | -6 | -4.4% |
| 2024 | Q4 | 254 | -36 | -13.1% |
| 2024 | Q3 | 251 | -48 | -15.7% |
| 2024 | Q2 | 259 | -33 | -11.4% |
| 2024 | Q1 | 259 | -51 | -12.9% |
| 2023 | Q4 | 290 | -100 | -13.7% |
| 2023 | Q3 | 299 | -103 | -13.1% |
| 2023 | Q2 | 292 | -102 | -15.2% |
See Personalis's complete headcount history, including quarterly breakdowns.
Get the DataPersonalis Employee Count by Region (2026)
North America accounts for the largest share of Personalis's global workforce with approximately 91% of total employees, followed by East Asia and Southeast Asia.
Personalis employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 256 | 91.2% |
| East Asia | 13 | 4.5% |
| Southeast Asia | 3 | 1.2% |
| Sub-Saharan Africa | 3 | 1.1% |
| South America | 3 | 0.9% |
| Central America and the Caribbean | 2 | 0.9% |
| Southern Europe | 0 | 0.2% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataPersonalis Employee Count by Department (2026)
Personalis's employee groups are Engineering (38.1%), Finance and Operations (36.4%), and Sales and Marketing (25.5%).
Personalis employees by department
| Department | Employees | % of Total |
|---|---|---|
| Engineering | 111 | 38.1% |
| Finance and Operations | 106 | 36.4% |
| Sales and Marketing | 74 | 25.5% |
Compare Personalis's department mix to industry peers.
See Full DataPersonalis Employee Salary by Region (2026)
Personalis's average employee salary is $153,546 globally. Employees in North America receive the highest compensation. Pay is lowest in East Asia, at a median of $35,000.
Personalis median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $152,000 |
| East Asia | $35,000 |
Unlock salary by role, level, and city — and compare to Personalis's industry peers.
Unlock Salary DataPersonalis Job Openings and Hiring Trends (2023-2026)
- Personalis had 57 active job postings in 2026, a 130.4% increase (+38) from 2025.
- Personalis had 19 active job postings in 2025, a 180.0% increase (+18) from 2024.
- Personalis had 1 active job postings in 2024, a 120.0% decline (-3) from 2023.
- Personalis had 4 active job postings in 2023, a 176.1% decline from 2022.
- Hiring velocity in 2026: 24 new roles/month, up from 18 in 2025 and 10 in 2024.
Personalis's hiring is accelerating: active job postings rose 130.4% in 2026 to 57, with new postings per month climbing from 11 in 2023 to 24 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataPersonalis Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Personalis's workforce based on public professional data. Overall sentiment is neutral 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 Personalis
- How fast is Personalis growing?
- In 2026, Personalis's headcount grew 5.4% to 291 employees, up from 253 in 2025.
- See the full headcount history
- Where are Personalis employees located?
- Most Personalis employees are based in North America (91.2% of headcount), followed by East Asia and Southeast Asia.
- Explore where the workforce is based
- What is the average salary at Personalis?
- The average employee salary at Personalis is approximately $153.5k per year.
- Analyze the salary distribution
- How many new job postings does Personalis open per year?
- In Q1 2026, Personalis opened 73 new job postings. In 2025, Personalis opened 210 new job postings — about 18 per month.
- Track hiring trends by role
- When was Personalis founded and where is it headquartered?
- Personalis was founded in 2011 and is headquartered in Fremont, California.
- Compare Personalis to industry peers
Speak with a workforce expert about Personalis.
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