How many employees work at Sutro Biopharma?
Sutro Biopharma, Inc. (STRO) has approximately 152 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Sutro Biopharma’s total headcount has declined 43.2% from 267 employees in 2023 to 152 in 2026.
Is Sutro Biopharma hiring right now?
Yes, Sutro Biopharma is actively hiring. Sutro Biopharma had 4 active job postings in 2026, a 54.5% decline from 2025 — see job openings & hiring trends.
About Sutro Biopharma’s Workforce
Sutro Biopharma, Inc. (STRO) is a Pharmaceuticals company that employs 152 people worldwide as of March 2026. It is the 9th-largest by headcount among its peers. Founded in 2003, the company is headquartered in South San Francisco, California and trades on the NASDAQ.
Sutro Biopharma's workforce has declined 43.2% from 2023 to 2026, down 25.1% year over year in 2026. It fell to a low of 152 in 2026 Q1 before recovering. Its workforce is concentrated most in North America (99.5%), followed by Northern Europe (0.5%).
Sutro Biopharma's functional groups are Finance and Operations (42.3%), Engineering (33.9%), and Sales and Marketing (23.9%). The average salary is $203,565, highest in North America at a median of $178,000, up 5.6% year over year in 2026.
Sutro Biopharma's active job postings fell 54.5% in 2026 to 4, with new postings per month cooling from 12 in 2023 to 2 in 2026. Overall employee sentiment is neutral but improving.
Sourced from Revelio Labs workforce data.
- Ticker
- NASDAQ: STRO
- Headquarters
- South San Francisco, California
- Founded
- 2003
- Industry
- Pharmaceuticals
- Employees
- 152
- YoY
- -25.1% (-84)
As of March 2026
Sutro Biopharma workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Sutro Biopharma. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsSutro Biopharma Annual Employee Count (2023-2026)
- Sutro Biopharma had 152 employees in 2026, a 25.1% decline (-84) from 2025.
- Sutro Biopharma had 156 employees in 2025, a 32.0% decline (-111) from 2024.
- Sutro Biopharma had 267 employees in 2024, a 2.0% increase (+3) from 2023.
- Sutro Biopharma had 264 employees in 2023, a 5.4% increase (+15) from 2022.
Sutro Biopharma's total workforce has declined from 267 employees in 2023 to 152 in 2026. Sutro Biopharma's headcount peaked at 280 in 2024.
Sutro Biopharma, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 152 | -84 | -25.1% |
| 2025 | Q4 | 156 | -111 | -32.0% |
| 2025 | Q3 | 189 | -81 | -23.7% |
| 2025 | Q2 | 217 | -63 | -13.5% |
| 2025 | Q1 | 236 | -29 | -7.2% |
| 2024 | Q4 | 267 | +3 | +2.0% |
| 2024 | Q3 | 270 | +9 | +4.5% |
| 2024 | Q2 | 280 | +13 | +5.0% |
| 2024 | Q1 | 265 | +13 | +4.5% |
| 2023 | Q4 | 264 | +15 | +5.4% |
| 2023 | Q3 | 261 | +29 | +5.2% |
| 2023 | Q2 | 267 | +35 | +4.7% |
See Sutro Biopharma's complete headcount history, including quarterly breakdowns.
Get the DataSutro Biopharma Employee Count by Region (2026)
North America accounts for the largest share of Sutro Biopharma's global workforce with approximately 100% of total employees, followed by Northern Europe.
Sutro Biopharma employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 148 | 99.5% |
| Northern Europe | 1 | 0.5% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataSutro Biopharma Employee Count by Department (2026)
Sutro Biopharma's employee groups are Finance and Operations (42.3%), Engineering (33.9%), and Sales and Marketing (23.9%).
Sutro Biopharma employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 64 | 42.3% |
| Engineering | 51 | 33.9% |
| Sales and Marketing | 36 | 23.9% |
Compare Sutro Biopharma's department mix to industry peers.
See Full DataSutro Biopharma Employee Salary by Region (2026)
Sutro Biopharma's average employee salary is $203,565 globally. Employees in North America receive the highest compensation.
Sutro Biopharma median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $178,000 |
Unlock salary by role, level, and city — and compare to Sutro Biopharma's industry peers.
Unlock Salary DataSutro Biopharma Job Openings and Hiring Trends (2023-2026)
- Sutro Biopharma had 4 active job postings in 2026, a 54.5% decline (-1) from 2025.
- Sutro Biopharma had 5 active job postings in 2025, a 33.3% decline (-2) from 2024.
- Sutro Biopharma had 7 active job postings in 2024, a 0% no change from 2023.
- Sutro Biopharma had 7 active job postings in 2023, a 120.0% decline from 2022.
- Hiring velocity in 2026: 2 new roles/month, down from 3 in 2025 and 5 in 2024.
Sutro Biopharma's hiring is slowing: active job postings fell 54.5% in 2026 to 4, with new postings per month cooling from 12 in 2023 to 2 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataSutro Biopharma Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Sutro Biopharma's workforce based on public professional data. Overall sentiment is neutral and has improved year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Unlock SentimentSimilar Companies
Similar Pharmaceuticals Companies by Employee Count
Frequently Asked Questions About Sutro Biopharma
- How fast is Sutro Biopharma growing?
- In 2026, Sutro Biopharma's headcount shrank 25.1% to 152 employees, down from 236 in 2025.
- See the full headcount history
- Where are Sutro Biopharma employees located?
- Most Sutro Biopharma employees are based in North America (99.5% of headcount), followed by Northern Europe.
- Explore where the workforce is based
- What is the average salary at Sutro Biopharma?
- The average employee salary at Sutro Biopharma is approximately $203.6k per year.
- Analyze the salary distribution
- How many new job postings does Sutro Biopharma open per year?
- In Q1 2026, Sutro Biopharma opened 5 new job postings. In 2025, Sutro Biopharma opened 36 new job postings — about 3 per month.
- Track hiring trends by role
- When was Sutro Biopharma founded and where is it headquartered?
- Sutro Biopharma was founded in 2003 and is headquartered in South San Francisco, California.
- Compare Sutro Biopharma to industry peers
Speak with a workforce expert about Sutro Biopharma.
Book a DemoSee something that doesn't look right? Reach out and our team will review it.