How many employees work at Mirum Pharmaceuticals?
Mirum Pharmaceuticals, Inc. (MIRM) has approximately 394 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Mirum Pharmaceuticals’s total headcount has grown 84.1% from 214 employees in 2023 to 394 in 2026.
Is Mirum Pharmaceuticals hiring right now?
Yes, Mirum Pharmaceuticals is actively hiring. Mirum Pharmaceuticals had 84 active job postings in 2026, a 73.2% increase from 2025 — see job openings & hiring trends.
About Mirum Pharmaceuticals’s Workforce
Mirum Pharmaceuticals, Inc. (MIRM) is a Pharmaceuticals company that employs 394 people worldwide as of March 2026. It is the 9th-largest by headcount among its peers. Founded in 2018, the company is headquartered in Foster City, California and trades on the NASDAQ.
Mirum Pharmaceuticals's workforce has grown 84.1% from 2023 to 2026, up 2.9% year over year in 2026. Its workforce is concentrated most in North America (80.0%), followed by Western Europe (16.4%) and Southern Europe (2.7%).
Mirum Pharmaceuticals's functional groups are Finance and Operations (51.0%), Sales and Marketing (28.5%), and Engineering (20.6%), with Engineering growing fastest (up 12.2%). The average salary is $215,175, ranging from a median of $206,000 in North America to $89,000 in Southern Europe.
Mirum Pharmaceuticals's active job postings rose 73.2% in 2026 to 84, with new postings per month climbing from 27 in 2023 to 33 in 2026.
Sourced from Revelio Labs workforce data.
- Ticker
- NASDAQ: MIRM
- Headquarters
- Foster City, California
- Founded
- 2018
- Industry
- Pharmaceuticals
- Employees
- 394
- YoY
- +2.9% (+59)
As of March 2026
Mirum Pharmaceuticals workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Mirum Pharmaceuticals. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsMirum Pharmaceuticals Annual Employee Count (2023-2026)
- Mirum Pharmaceuticals had 394 employees in 2026, a 2.9% increase (+59) from 2025.
- Mirum Pharmaceuticals had 371 employees in 2025, a 1.3% increase (+46) from 2024.
- Mirum Pharmaceuticals had 325 employees in 2024, a 2.7% increase (+60) from 2023.
- Mirum Pharmaceuticals had 265 employees in 2023, a 8.1% increase (+77) from 2022.
Mirum Pharmaceuticals's total workforce has grown from 214 employees in 2023 to 394 in 2026.
Mirum Pharmaceuticals, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 394 | +59 | +2.9% |
| 2025 | Q4 | 371 | +46 | +1.3% |
| 2025 | Q3 | 358 | +52 | +2.2% |
| 2025 | Q2 | 353 | +57 | +3.0% |
| 2025 | Q1 | 335 | +50 | +0.7% |
| 2024 | Q4 | 325 | +60 | +2.7% |
| 2024 | Q3 | 306 | +63 | +4.3% |
| 2024 | Q2 | 296 | +82 | +5.9% |
| 2024 | Q1 | 285 | +86 | +6.3% |
| 2023 | Q4 | 265 | +77 | +8.1% |
| 2023 | Q3 | 243 | +62 | +5.4% |
| 2023 | Q2 | 214 | +50 | +2.7% |
See Mirum Pharmaceuticals's complete headcount history, including quarterly breakdowns.
Get the DataMirum Pharmaceuticals Employee Count by Region (2026)
North America accounts for the largest share of Mirum Pharmaceuticals's global workforce with approximately 80% of total employees, followed by Western Europe and Southern Europe.
Mirum Pharmaceuticals employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 302 | 80.0% |
| Western Europe | 62 | 16.4% |
| Southern Europe | 10 | 2.7% |
| South America | 1 | 0.3% |
| Northern Europe | 1 | 0.3% |
| Central America and the Caribbean | 1 | 0.2% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataMirum Pharmaceuticals Employee Count by Department (2026)
Mirum Pharmaceuticals's employee groups are Finance and Operations (51.0%), Sales and Marketing (28.5%), and Engineering (20.6%).
Mirum Pharmaceuticals employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 201 | 51.0% |
| Sales and Marketing | 112 | 28.5% |
| Engineering | 81 | 20.6% |
Compare Mirum Pharmaceuticals's department mix to industry peers.
See Full DataMirum Pharmaceuticals Employee Salary by Region (2026)
Mirum Pharmaceuticals's average employee salary is $215,175 globally. Employees in North America receive the highest compensation. Pay is lowest in Southern Europe, at a median of $89,000.
Mirum Pharmaceuticals median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $206,000 |
| Western Europe | $204,000 |
| Southern Europe | $89,000 |
Unlock salary by role, level, and city — and compare to Mirum Pharmaceuticals's industry peers.
Unlock Salary DataMirum Pharmaceuticals Job Openings and Hiring Trends (2023-2026)
- Mirum Pharmaceuticals had 84 active job postings in 2026, a 73.2% increase (+38) from 2025.
- Mirum Pharmaceuticals had 46 active job postings in 2025, a 21.7% increase (+9) from 2024.
- Mirum Pharmaceuticals had 37 active job postings in 2024, a 27.7% increase (+9) from 2023.
- Mirum Pharmaceuticals had 28 active job postings in 2023, a 38.3% increase from 2022.
- Hiring velocity in 2026: 33 new roles/month, up from 21 in 2025 and 21 in 2024.
Mirum Pharmaceuticals's hiring is accelerating: active job postings rose 73.2% in 2026 to 84, with new postings per month climbing from 27 in 2023 to 33 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
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Frequently Asked Questions About Mirum Pharmaceuticals
- How fast is Mirum Pharmaceuticals growing?
- In 2026, Mirum Pharmaceuticals's headcount grew 2.9% to 394 employees, up from 335 in 2025.
- See the full headcount history
- Where are Mirum Pharmaceuticals employees located?
- Most Mirum Pharmaceuticals employees are based in North America (80.0% of headcount), followed by Western Europe and Southern Europe.
- Explore where the workforce is based
- What is the average salary at Mirum Pharmaceuticals?
- The average employee salary at Mirum Pharmaceuticals is approximately $215.2k per year.
- Analyze the salary distribution
- How many new job postings does Mirum Pharmaceuticals open per year?
- In Q1 2026, Mirum Pharmaceuticals opened 98 new job postings. In 2025, Mirum Pharmaceuticals opened 257 new job postings — about 21 per month.
- Track hiring trends by role
- When was Mirum Pharmaceuticals founded and where is it headquartered?
- Mirum Pharmaceuticals was founded in 2018 and is headquartered in Foster City, California.
- Compare Mirum Pharmaceuticals to industry peers
Speak with a workforce expert about Mirum Pharmaceuticals.
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