How many employees work at Rhythm Pharmaceuticals?
Rhythm Pharmaceuticals, Inc. (RYTM) has approximately 499 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Rhythm Pharmaceuticals's total headcount has grown 135.8% from 212 employees in 2023 to 499 in 2026.
Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published July 2026
Is Rhythm Pharmaceuticals hiring right now?
Yes, Rhythm Pharmaceuticals is actively hiring. Rhythm Pharmaceuticals had 38 active job postings in 2026, a 2.6% decline from 2025 — see job openings & hiring trends.
About Rhythm Pharmaceuticals's Workforce
Rhythm Pharmaceuticals, Inc. (RYTM) is a Pharmaceuticals company that employs 499 people worldwide as of March 2026. It is the 4th-largest by headcount among its peers. Founded in 2008, the company is headquartered in Boston, Massachusetts and trades on the NASDAQ.
Rhythm Pharmaceuticals's workforce has grown 135.8% from 2023 to 2026, up 53.5% year over year in 2026. Its workforce is concentrated most in the United States (54.4%), followed by Japan (20.8%) and the Netherlands (6.8%), with Japan, its fastest-growing location, up 88.2%.
Rhythm Pharmaceuticals's largest functional groups are Finance and Operations (43.4%), Sales and Marketing (28.4%), and Engineering (28.2%), with Finance and Operations growing fastest (up 31.5%). Median employee tenure is 1.7 years. The average salary is $142,393, ranging from a median of $198,000 in Northern Europe to $78,000 in Southern Europe.
Rhythm Pharmaceuticals's active job postings fell 2.6% in 2026 to 38, with new postings per month climbing from 11 in 2023 to 12 in 2026. Overall employee sentiment is negative and broadly stable.
Sourced from Revelio Labs workforce data.
As of March 2026
Rhythm Pharmaceuticals
workforce metrics
Headcount
499
53.5% YoY
Avg. Salary
$142.4k
9.3% YoY
Tenure
1.7yr
1.0yr YoY
Growth Rate
53.5%
29.9pts YoY
Hiring Rate
Attrition Rate
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Rhythm Pharmaceuticals. Compare to peers, export the dataset, and access the full quarterly history.
- Rhythm Pharmaceuticals had 499 employees in 2026, a 53.5% increase (+210) from 2025.
- Rhythm Pharmaceuticals had 416 employees in 2025, a 43.9% increase (+150) from 2024.
- Rhythm Pharmaceuticals had 266 employees in 2024, a 20.3% increase (+49) from 2023.
- Rhythm Pharmaceuticals had 217 employees in 2023, a 16.4% increase (+33) from 2022.
Rhythm Pharmaceuticals's total workforce has grown from 212 employees in 2023 to 499 in 2026.
Rhythm Pharmaceuticals, Inc. — quarterly employee count (2023–2026)
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 499 | +210 | +53.5% |
| 2025 | Q4 | 416 | +150 | +43.9% |
| 2025 | Q3 | 372 | +123 | +39.4% |
| 2025 | Q2 | 319 | +77 | +27.4% |
| 2025 | Q1 | 289 | +61 | +23.6% |
| 2024 | Q4 | 266 | +49 | +20.3% |
| 2024 | Q3 | 249 | +35 | +15.4% |
| 2024 | Q2 | 242 | +30 | +13.4% |
| 2024 | Q1 | 228 | +28 | +12.9% |
| 2023 | Q4 | 217 | +33 | +16.4% |
| 2023 | Q3 | 214 | +33 | +16.9% |
| 2023 | Q2 | 212 | +47 | +25.0% |
Want to see Rhythm Pharmaceuticals's complete headcount history back to 2008, including quarterly breakdowns?
The United States accounts for the largest share of Rhythm Pharmaceuticals's global workforce with approximately 54% of total employees, followed by Japan and the Netherlands. Rhythm Pharmaceuticals's headcount in Japan is growing fastest among its major locations, up 88.2% year over year in 2026.
Rhythm Pharmaceuticals employees by country — 2026
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| United States | 267 | 54.4% | +13.7% |
| Japan | 102 | 20.8% | +88.2% |
| Netherlands | 34 | 6.8% | +24.9% |
| France | 19 | 3.9% | +20.1% |
| Germany | 19 | 3.8% | +20.8% |
| United Kingdom | 11 | 2.2% | +22.7% |
| Italy | 7 | 1.5% | +37.3% |
| Canada | 7 | 1.5% | +0.0% |
| Spain | 6 | 1.2% | +18.0% |
| India | 5 | 1.0% | +0.0% |
Drill into city-level data, hiring trends by region and historic geographic shifts
Rhythm Pharmaceuticals's largest employee groups are Finance and Operations (43.4%), Sales and Marketing (28.4%), and Engineering (28.2%).
Rhythm Pharmaceuticals employees by department — 2026
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Finance and Operations | 219 | 43.4% | +31.5% |
| Sales and Marketing | 143 | 28.4% | +22.0% |
| Engineering | 142 | 28.2% | +27.3% |
Compare Rhythm Pharmaceuticals's department mix to industry peers.
Rhythm Pharmaceuticals's average employee salary is $142,393 globally. Employees in Northern Europe receive the highest compensation, with median pay approximately 1.4x the global average. Pay is lowest in Southern Europe, at a median of $78,000.
Rhythm Pharmaceuticals median employee salary by region — 2026 (USD)
| Region | Median Salary |
|---|---|
| Northern Europe | $198,000 |
| Northern America | $155,000 |
| Western Europe | $111,000 |
| Eastern Asia | $82,000 |
| Southern Europe | $78,000 |
| Southern Asia | $8,000 |
Unlock salary by role, level, and city — and compare to Rhythm Pharmaceuticals's industry peers.
- Rhythm Pharmaceuticals had 38 active job postings in 2026, a 2.6% decline (+11) from 2025.
- Rhythm Pharmaceuticals had 27 active job postings in 2025, a 43.5% decline (-15) from 2024.
- Rhythm Pharmaceuticals had 42 active job postings in 2024, a 111.1% increase (+30) from 2023.
- Rhythm Pharmaceuticals had 12 active job postings in 2023, a 114.3% decline from 2022.
- Hiring velocity in 2026: 12 new roles/month, down from 18 in 2025 and 12 in 2024. New metric
Rhythm Pharmaceuticals's active job postings fell 2.6% in 2026 to 38, with new postings per month climbing from 11 in 2023 to 12 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Revelio Labs tracks employee sentiment across Rhythm Pharmaceuticals's workforce based on public professional data. Overall sentiment is negative and has held steady year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Similar Pharmaceuticals Companies by Employee Count
- How fast is Rhythm Pharmaceuticals growing?
- In 2026, Rhythm Pharmaceuticals's headcount grew 53.5% to 499 employees, up from 289 in 2025.
- Where are Rhythm Pharmaceuticals employees located?
- Most Rhythm Pharmaceuticals employees are based in the United States (54.4% of headcount), followed by Japan and the Netherlands.
- What is the average salary at Rhythm Pharmaceuticals?
- The average employee salary at Rhythm Pharmaceuticals is approximately $142.4k per year.
- How many people does Rhythm Pharmaceuticals hire per year?
- In 2026, Rhythm Pharmaceuticals opened roughly 144 new roles — about 12 per month.
- When was Rhythm Pharmaceuticals founded and where is it headquartered?
- Rhythm Pharmaceuticals was founded in 2008 and is headquartered in Boston, Massachusetts.
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