How many employees work at Merrimack Pharmaceuticals?
Merrimack Pharmaceuticals, Inc. has approximately 29 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Merrimack Pharmaceuticals’s total headcount has grown 9.4% from 27 employees in 2023 to 29 in 2026.
Is Merrimack Pharmaceuticals hiring right now?
Yes, Merrimack Pharmaceuticals is actively hiring. Merrimack Pharmaceuticals had 7 active job postings in 2026, a 111.1% increase from 2025 — see job openings & hiring trends.
About Merrimack Pharmaceuticals’s Workforce
Merrimack Pharmaceuticals, Inc. is a Pharmaceuticals company that employs 29 people worldwide as of March 2026. It is the 8th-largest by headcount among its peers. Founded in 1993, the company is headquartered in Cambridge, Massachusetts.
Merrimack Pharmaceuticals's workforce has grown 9.4% from 2023 to 2026, up 8.7% year over year in 2026. It fell to a low of 24 in 2024 Q4 before recovering. Its workforce is concentrated most in North America (96.1%), followed by South Asia (3.9%).
Merrimack Pharmaceuticals's functional groups are Finance and Operations (47.3%), Engineering (34.5%), and Sales and Marketing (18.2%), with Engineering growing fastest (up 16.9%). The average salary is $155,505, highest in North America at a median of $134,000, up 4.5% year over year in 2026.
Merrimack Pharmaceuticals's active job postings rose 111.1% in 2026 to 7, with new postings per month climbing from 0 in 2023 to 3 in 2026. Overall employee sentiment is neutral but declining.
Sourced from Revelio Labs workforce data.
- Headquarters
- Cambridge, Massachusetts
- Founded
- 1993
- Industry
- Pharmaceuticals
- Employees
- 29
- YoY
- +8.7% (+5)
As of March 2026
Merrimack Pharmaceuticals workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Merrimack Pharmaceuticals. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsMerrimack Pharmaceuticals Annual Employee Count (2023-2026)
- Merrimack Pharmaceuticals had 29 employees in 2026, a 8.7% increase (+5) from 2025.
- Merrimack Pharmaceuticals had 29 employees in 2025, a 8.7% increase (+5) from 2024.
- Merrimack Pharmaceuticals had 24 employees in 2024, a 0% no change (-4) from 2023.
- Merrimack Pharmaceuticals had 28 employees in 2023, a 2.8% decline (+2) from 2022.
Merrimack Pharmaceuticals's total workforce has grown from 27 employees in 2023 to 29 in 2026.
Merrimack Pharmaceuticals, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 29 | +5 | +8.7% |
| 2025 | Q4 | 29 | +5 | +8.7% |
| 2025 | Q3 | 27 | +0 | +3.8% |
| 2025 | Q2 | 25 | -3 | +0.0% |
| 2025 | Q1 | 24 | -4 | +0.0% |
| 2024 | Q4 | 24 | -4 | +0.0% |
| 2024 | Q3 | 27 | +1 | -2.8% |
| 2024 | Q2 | 28 | +1 | -6.2% |
| 2024 | Q1 | 28 | +2 | -2.8% |
| 2023 | Q4 | 28 | +2 | -2.8% |
| 2023 | Q3 | 26 | -1 | +0.0% |
| 2023 | Q2 | 27 | +0 | +3.6% |
See Merrimack Pharmaceuticals's complete headcount history, including quarterly breakdowns.
Get the DataMerrimack Pharmaceuticals Employee Count by Region (2026)
North America accounts for the largest share of Merrimack Pharmaceuticals's global workforce with approximately 96% of total employees, followed by South Asia.
Merrimack Pharmaceuticals employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 28 | 96.1% |
| South Asia | 1 | 3.9% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataMerrimack Pharmaceuticals Employee Count by Department (2026)
Merrimack Pharmaceuticals's employee groups are Finance and Operations (47.3%), Engineering (34.5%), and Sales and Marketing (18.2%).
Merrimack Pharmaceuticals employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 14 | 47.3% |
| Engineering | 10 | 34.5% |
| Sales and Marketing | 5 | 18.2% |
Compare Merrimack Pharmaceuticals's department mix to industry peers.
See Full DataMerrimack Pharmaceuticals Employee Salary by Region (2026)
Merrimack Pharmaceuticals's average employee salary is $155,505 globally. Employees in North America receive the highest compensation.
Merrimack Pharmaceuticals median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $134,000 |
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Unlock Salary DataMerrimack Pharmaceuticals Job Openings and Hiring Trends (2023-2026)
- Merrimack Pharmaceuticals had 7 active job postings in 2026, a 111.1% increase (+3) from 2025.
- Merrimack Pharmaceuticals had 4 active job postings in 2025, a 66.7% increase (+2) from 2024.
- Merrimack Pharmaceuticals had 2 active job postings in 2024, a 200.0% increase (+2) from 2023.
- Merrimack Pharmaceuticals had 0 active job postings in 2023, a 0% no change from 2022.
- Hiring velocity in 2026: 3 new roles/month, up from 1 in 2025 and 1 in 2024.
Merrimack Pharmaceuticals's hiring is accelerating: active job postings rose 111.1% in 2026 to 7, with new postings per month climbing from 0 in 2023 to 3 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataMerrimack Pharmaceuticals Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Merrimack Pharmaceuticals'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.
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Frequently Asked Questions About Merrimack Pharmaceuticals
- How fast is Merrimack Pharmaceuticals growing?
- In 2026, Merrimack Pharmaceuticals's headcount grew 8.7% to 29 employees, up from 24 in 2025.
- See the full headcount history
- Where are Merrimack Pharmaceuticals employees located?
- Most Merrimack Pharmaceuticals employees are based in North America (96.1% of headcount), followed by South Asia.
- Explore where the workforce is based
- What is the average salary at Merrimack Pharmaceuticals?
- The average employee salary at Merrimack Pharmaceuticals is approximately $155.5k per year.
- Analyze the salary distribution
- How many new job postings does Merrimack Pharmaceuticals open per year?
- In Q1 2026, Merrimack Pharmaceuticals opened 9 new job postings. In 2025, Merrimack Pharmaceuticals opened 9 new job postings — about 1 per month.
- Track hiring trends by role
- When was Merrimack Pharmaceuticals founded and where is it headquartered?
- Merrimack Pharmaceuticals was founded in 1993 and is headquartered in Cambridge, Massachusetts.
- Compare Merrimack Pharmaceuticals to industry peers
Speak with a workforce expert about Merrimack Pharmaceuticals.
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