How many employees work at Zenas BioPharma (USA) LLC?
Zenas BioPharma (USA) LLC has approximately 186 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Zenas BioPharma (USA) LLC’s total headcount has grown 141.6% from 77 employees in 2023 to 186 in 2026.
Is Zenas BioPharma (USA) LLC hiring right now?
Yes, Zenas BioPharma (USA) LLC is actively hiring. Zenas BioPharma (USA) LLC had 37 active job postings in 2026, a 64.3% increase from 2025 — see job openings & hiring trends.
About Zenas BioPharma (USA) LLC’s Workforce
Zenas BioPharma (USA) LLC is a Pharmaceuticals company that employs 186 people worldwide as of March 2026. It is the 9th-largest by headcount among its peers. Founded in 2021, the company is headquartered in Waltham, Massachusetts.
Zenas BioPharma (USA) LLC's workforce has grown 141.6% from 2023 to 2026, up 5.3% year over year in 2026. Its workforce is concentrated most in North America (91.6%), followed by Western Europe (2.8%) and East Asia (2.0%).
Zenas BioPharma (USA) LLC's functional groups are Finance and Operations (54.5%), Engineering (22.9%), and Sales and Marketing (22.6%), with Engineering growing fastest (up 22.2%). The average salary is $205,028, ranging from a median of $222,000 in North America to $46,000 in East Asia, up 2.6% year over year in 2026.
Zenas BioPharma (USA) LLC's active job postings rose 64.3% in 2026 to 37, with new postings per month climbing from 5 in 2023 to 14 in 2026. Overall employee sentiment is positive and broadly stable.
Sourced from Revelio Labs workforce data.
- Headquarters
- Waltham, Massachusetts
- Founded
- 2021
- Industry
- Pharmaceuticals
- Employees
- 186
- YoY
- +5.3% (+43)
As of March 2026
Zenas BioPharma (USA) LLC workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Zenas BioPharma (USA) LLC. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsZenas BioPharma (USA) LLC Annual Employee Count (2023-2026)
- Zenas BioPharma (USA) LLC had 186 employees in 2026, a 5.3% increase (+43) from 2025.
- Zenas BioPharma (USA) LLC had 166 employees in 2025, a 2.7% increase (+35) from 2024.
- Zenas BioPharma (USA) LLC had 131 employees in 2024, a 2.2% decline (+40) from 2023.
- Zenas BioPharma (USA) LLC had 91 employees in 2023, a 1.7% increase (+18) from 2022.
Zenas BioPharma (USA) LLC's total workforce has grown from 77 employees in 2023 to 186 in 2026.
Zenas BioPharma (USA) LLC quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 186 | +43 | +5.3% |
| 2025 | Q4 | 166 | +35 | +2.7% |
| 2025 | Q3 | 155 | +29 | -1.5% |
| 2025 | Q2 | 147 | +29 | -0.1% |
| 2025 | Q1 | 143 | +38 | +1.7% |
| 2024 | Q4 | 131 | +40 | -2.2% |
| 2024 | Q3 | 126 | +49 | +1.6% |
| 2024 | Q2 | 118 | +41 | -3.1% |
| 2024 | Q1 | 105 | +30 | -3.4% |
| 2023 | Q4 | 91 | +18 | +1.7% |
| 2023 | Q3 | 77 | +5 | +0.7% |
| 2023 | Q2 | 77 | +9 | +6.2% |
See Zenas BioPharma (USA) LLC's complete headcount history, including quarterly breakdowns.
Get the DataZenas BioPharma (USA) LLC Employee Count by Region (2026)
North America accounts for the largest share of Zenas BioPharma (USA) LLC's global workforce with approximately 92% of total employees, followed by Western Europe and East Asia.
Zenas BioPharma (USA) LLC employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 167 | 91.6% |
| Western Europe | 5 | 2.8% |
| East Asia | 4 | 2.0% |
| Southern Europe | 3 | 1.9% |
| Eastern Europe | 2 | 1.0% |
| North Africa | 1 | 0.7% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataZenas BioPharma (USA) LLC Employee Count by Department (2026)
Zenas BioPharma (USA) LLC's employee groups are Finance and Operations (54.5%), Engineering (22.9%), and Sales and Marketing (22.6%).
Zenas BioPharma (USA) LLC employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 101 | 54.5% |
| Engineering | 43 | 22.9% |
| Sales and Marketing | 42 | 22.6% |
Compare Zenas BioPharma (USA) LLC's department mix to industry peers.
See Full DataZenas BioPharma (USA) LLC Employee Salary by Region (2026)
Zenas BioPharma (USA) LLC's average employee salary is $205,028 globally. Employees in North America receive the highest compensation. Pay is lowest in East Asia, at a median of $46,000.
Zenas BioPharma (USA) LLC median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $222,000 |
| Western Europe | $162,000 |
| East Asia | $46,000 |
Unlock salary by role, level, and city — and compare to Zenas BioPharma (USA) LLC's industry peers.
Unlock Salary DataZenas BioPharma (USA) LLC Job Openings and Hiring Trends (2023-2026)
- Zenas BioPharma (USA) LLC had 37 active job postings in 2026, a 64.3% increase (+16) from 2025.
- Zenas BioPharma (USA) LLC had 21 active job postings in 2025, a 47.1% increase (+8) from 2024.
- Zenas BioPharma (USA) LLC had 13 active job postings in 2024, a 47.6% increase (+5) from 2023.
- Zenas BioPharma (USA) LLC had 8 active job postings in 2023, a 155.6% increase from 2022.
- Hiring velocity in 2026: 14 new roles/month, up from 7 in 2025 and 9 in 2024.
Zenas BioPharma (USA) LLC's hiring is accelerating: active job postings rose 64.3% in 2026 to 37, with new postings per month climbing from 5 in 2023 to 14 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataZenas BioPharma (USA) LLC Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Zenas BioPharma (USA) LLC's workforce based on public professional data. Overall sentiment is positive and has held steady year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
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Frequently Asked Questions About Zenas BioPharma (USA) LLC
- How fast is Zenas BioPharma (USA) LLC growing?
- In 2026, Zenas BioPharma (USA) LLC's headcount grew 5.3% to 186 employees, up from 143 in 2025.
- See the full headcount history
- Where are Zenas BioPharma (USA) LLC employees located?
- Most Zenas BioPharma (USA) LLC employees are based in North America (91.6% of headcount), followed by Western Europe and East Asia.
- Explore where the workforce is based
- What is the average salary at Zenas BioPharma (USA) LLC?
- The average employee salary at Zenas BioPharma (USA) LLC is approximately $205k per year.
- Analyze the salary distribution
- How many new job postings does Zenas BioPharma (USA) LLC open per year?
- In Q1 2026, Zenas BioPharma (USA) LLC opened 43 new job postings. In 2025, Zenas BioPharma (USA) LLC opened 81 new job postings — about 7 per month.
- Track hiring trends by role
- When was Zenas BioPharma (USA) LLC founded and where is it headquartered?
- Zenas BioPharma (USA) LLC was founded in 2021 and is headquartered in Waltham, Massachusetts.
- Compare Zenas BioPharma (USA) LLC to industry peers
Speak with a workforce expert about Zenas BioPharma (USA) LLC.
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