How many employees work at Alnylam Pharmaceuticals?
Alnylam Pharmaceuticals, Inc. (ALNY) has approximately 2,566 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Alnylam Pharmaceuticals’s total headcount has grown 21.6% from 2,110 employees in 2023 to 2,566 in 2026.
Is Alnylam Pharmaceuticals hiring right now?
Yes, Alnylam Pharmaceuticals is actively hiring. Alnylam Pharmaceuticals had 261 active job postings in 2026, a 76.2% increase from 2025 — see job openings & hiring trends.
About Alnylam Pharmaceuticals’s Workforce
Alnylam Pharmaceuticals, Inc. (ALNY) is a Pharmaceuticals company that employs 2,566 people worldwide as of March 2026. It is the 10th-largest by headcount among its peers. Founded in 2002, the company is headquartered in Cambridge, Massachusetts and trades on the NASDAQ.
Alnylam Pharmaceuticals's workforce has grown 21.6% from 2023 to 2026, though it is down 0.8% year over year in 2026. It fell to a low of 2,106 in 2024 Q2 before recovering. Its workforce is concentrated most in North America (78.8%), followed by Western Europe (7.2%) and Northern Europe (5.2%).
Alnylam Pharmaceuticals's functional groups are Finance and Operations (44.9%), Engineering (31.3%), and Sales and Marketing (23.8%), with Engineering growing fastest (up 6.2%). The average salary is $167,609, ranging from a median of $159,000 in North America to $77,000 in East Asia.
Alnylam Pharmaceuticals's active job postings rose 76.2% in 2026 to 261, with new postings per month climbing from 77 in 2023 to 112 in 2026. Overall employee sentiment is negative and declining.
Sourced from Revelio Labs workforce data.
- Ticker
- NASDAQ: ALNY
- Headquarters
- Cambridge, Massachusetts
- Founded
- 2002
- Industry
- Pharmaceuticals
- Employees
- 2,566
- YoY
- -0.8% (+257)
As of March 2026
Alnylam Pharmaceuticals workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Alnylam Pharmaceuticals. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsAlnylam Pharmaceuticals Annual Employee Count (2023-2026)
- Alnylam Pharmaceuticals had 2,566 employees in 2026, a 0.8% decline (+257) from 2025.
- Alnylam Pharmaceuticals had 2,508 employees in 2025, a 0.6% decline (+263) from 2024.
- Alnylam Pharmaceuticals had 2,245 employees in 2024, a 1.6% decline (+119) from 2023.
- Alnylam Pharmaceuticals had 2,126 employees in 2023, a 0.1% increase (+52) from 2022.
Alnylam Pharmaceuticals's total workforce has grown from 2,110 employees in 2023 to 2,566 in 2026.
Alnylam Pharmaceuticals, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 2,566 | +257 | -0.8% |
| 2025 | Q4 | 2,508 | +263 | -0.6% |
| 2025 | Q3 | 2,441 | +271 | +0.1% |
| 2025 | Q2 | 2,363 | +257 | -0.5% |
| 2025 | Q1 | 2,309 | +178 | -0.9% |
| 2024 | Q4 | 2,245 | +119 | -1.6% |
| 2024 | Q3 | 2,170 | +43 | -2.0% |
| 2024 | Q2 | 2,106 | -4 | -1.4% |
| 2024 | Q1 | 2,131 | +53 | -0.2% |
| 2023 | Q4 | 2,126 | +52 | +0.1% |
| 2023 | Q3 | 2,127 | +89 | -0.4% |
| 2023 | Q2 | 2,110 | +126 | -0.6% |
See Alnylam Pharmaceuticals's complete headcount history, including quarterly breakdowns.
Get the DataAlnylam Pharmaceuticals Employee Count by Region (2026)
North America accounts for the largest share of Alnylam Pharmaceuticals's global workforce with approximately 79% of total employees, followed by Western Europe and Northern Europe.
Alnylam Pharmaceuticals employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 1,974 | 78.8% |
| Western Europe | 180 | 7.2% |
| Northern Europe | 131 | 5.2% |
| Southern Europe | 72 | 2.9% |
| East Asia | 67 | 2.7% |
| South America | 26 | 1.0% |
| Arab States | 17 | 0.7% |
| South Asia | 16 | 0.6% |
| Sub-Saharan Africa | 11 | 0.4% |
| North Africa | 5 | 0.2% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataAlnylam Pharmaceuticals Employee Count by Department (2026)
Alnylam Pharmaceuticals's employee groups are Finance and Operations (44.9%), Engineering (31.3%), and Sales and Marketing (23.8%).
Alnylam Pharmaceuticals employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 1,149 | 44.9% |
| Engineering | 801 | 31.3% |
| Sales and Marketing | 609 | 23.8% |
Compare Alnylam Pharmaceuticals's department mix to industry peers.
See Full DataAlnylam Pharmaceuticals Employee Salary by Region (2026)
Alnylam Pharmaceuticals's average employee salary is $167,609 globally. Employees in North America receive the highest compensation. Pay is lowest in East Asia, at a median of $77,000.
Alnylam Pharmaceuticals median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $159,000 |
| Western Europe | $138,000 |
| Northern Europe | $133,000 |
| Central America and the Caribbean | $93,000 |
| Southern Europe | $80,000 |
| East Asia | $77,000 |
| Arab States | $44,000 |
| South America | $25,000 |
| Sub-Saharan Africa | $17,000 |
| North Africa | $14,000 |
| South Asia | $5,000 |
Unlock salary by role, level, and city — and compare to Alnylam Pharmaceuticals's industry peers.
Unlock Salary DataAlnylam Pharmaceuticals Job Openings and Hiring Trends (2023-2026)
- Alnylam Pharmaceuticals had 261 active job postings in 2026, a 76.2% increase (+102) from 2025.
- Alnylam Pharmaceuticals had 159 active job postings in 2025, a 27.1% increase (+38) from 2024.
- Alnylam Pharmaceuticals had 121 active job postings in 2024, a 17.4% decline (-23) from 2023.
- Alnylam Pharmaceuticals had 144 active job postings in 2023, a 20.7% increase from 2022.
- Hiring velocity in 2026: 112 new roles/month, down from 125 in 2025 and 82 in 2024.
Alnylam Pharmaceuticals's hiring is accelerating: active job postings rose 76.2% in 2026 to 261, with new postings per month climbing from 77 in 2023 to 112 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataAlnylam Pharmaceuticals Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Alnylam Pharmaceuticals'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.
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Frequently Asked Questions About Alnylam Pharmaceuticals
- How fast is Alnylam Pharmaceuticals growing?
- In 2026, Alnylam Pharmaceuticals's headcount shrank 0.8% to 2,566 employees, up from 2,309 in 2025.
- See the full headcount history
- Where are Alnylam Pharmaceuticals employees located?
- Most Alnylam Pharmaceuticals employees are based in North America (78.8% of headcount), followed by Western Europe and Northern Europe.
- Explore where the workforce is based
- What is the average salary at Alnylam Pharmaceuticals?
- The average employee salary at Alnylam Pharmaceuticals is approximately $167.6k per year.
- Analyze the salary distribution
- How many new job postings does Alnylam Pharmaceuticals open per year?
- In Q1 2026, Alnylam Pharmaceuticals opened 337 new job postings. In 2025, Alnylam Pharmaceuticals opened 1,500 new job postings — about 125 per month.
- Track hiring trends by role
- When was Alnylam Pharmaceuticals founded and where is it headquartered?
- Alnylam Pharmaceuticals was founded in 2002 and is headquartered in Cambridge, Massachusetts.
- Compare Alnylam Pharmaceuticals to industry peers
Speak with a workforce expert about Alnylam Pharmaceuticals.
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