How many employees work at Phathom Pharmaceuticals?
Phathom Pharmaceuticals, Inc. (PHAT) has approximately 385 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Phathom Pharmaceuticals’s total headcount has grown 223.9% from 119 employees in 2023 to 385 in 2026.
Is Phathom Pharmaceuticals hiring right now?
Yes, Phathom Pharmaceuticals is actively hiring. Phathom Pharmaceuticals had 49 active job postings in 2026, a 33.3% increase from 2025 — see job openings & hiring trends.
About Phathom Pharmaceuticals’s Workforce
Phathom Pharmaceuticals, Inc. (PHAT) is a Pharmaceuticals company that employs 385 people worldwide as of March 2026. It is the 4th-largest by headcount among its peers. Founded in 2018, the company is headquartered in Florham Park, New Jersey and trades on the NASDAQ.
Phathom Pharmaceuticals's workforce has grown 223.9% from 2023 to 2026, though it is down 5.3% year over year in 2026. Its workforce is concentrated most in North America (100.0%).
Phathom Pharmaceuticals's functional groups are Engineering (68.6%), Finance and Operations (20.1%), and Sales and Marketing (11.3%), with Finance and Operations growing fastest (up 8.3%). The average salary is $149,977, highest in North America at a median of $134,000, down 1.3% year over year in 2026.
Phathom Pharmaceuticals's active job postings rose 33.3% in 2026 to 49, with new postings per month climbing from 84 in 2023 to 111 in 2026. Overall employee sentiment is neutral but improving.
Sourced from Revelio Labs workforce data.
- Ticker
- NASDAQ: PHAT
- Headquarters
- Florham Park, New Jersey
- Founded
- 2018
- Industry
- Pharmaceuticals
- Employees
- 385
- YoY
- -5.3% (-14)
As of March 2026
Phathom Pharmaceuticals workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Phathom Pharmaceuticals. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsPhathom Pharmaceuticals Annual Employee Count (2023-2026)
- Phathom Pharmaceuticals had 385 employees in 2026, a 5.3% decline (-14) from 2025.
- Phathom Pharmaceuticals had 376 employees in 2025, a 6.5% decline (-22) from 2024.
- Phathom Pharmaceuticals had 398 employees in 2024, a 1.3% decline (-4) from 2023.
- Phathom Pharmaceuticals had 402 employees in 2023, a 16.9% increase (+279) from 2022.
Phathom Pharmaceuticals's total workforce has grown from 119 employees in 2023 to 385 in 2026.
Phathom Pharmaceuticals, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 385 | -14 | -5.3% |
| 2025 | Q4 | 376 | -22 | -6.5% |
| 2025 | Q3 | 362 | -41 | -6.4% |
| 2025 | Q2 | 383 | -27 | -5.4% |
| 2025 | Q1 | 399 | -17 | -2.0% |
| 2024 | Q4 | 398 | -4 | -1.3% |
| 2024 | Q3 | 403 | +262 | +14.9% |
| 2024 | Q2 | 410 | +291 | +18.2% |
| 2024 | Q1 | 416 | +296 | +16.7% |
| 2023 | Q4 | 402 | +279 | +16.9% |
| 2023 | Q3 | 141 | +23 | +2.2% |
| 2023 | Q2 | 119 | +5 | +2.5% |
See Phathom Pharmaceuticals's complete headcount history, including quarterly breakdowns.
Get the DataPhathom Pharmaceuticals Employee Count by Region (2026)
North America accounts for the largest share of Phathom Pharmaceuticals's global workforce with approximately 100% of total employees.
Phathom Pharmaceuticals employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 382 | 100.0% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataPhathom Pharmaceuticals Employee Count by Department (2026)
Phathom Pharmaceuticals's employee groups are Engineering (68.6%), Finance and Operations (20.1%), and Sales and Marketing (11.3%).
Phathom Pharmaceuticals employees by department
| Department | Employees | % of Total |
|---|---|---|
| Engineering | 264 | 68.6% |
| Finance and Operations | 78 | 20.1% |
| Sales and Marketing | 43 | 11.3% |
Compare Phathom Pharmaceuticals's department mix to industry peers.
See Full DataPhathom Pharmaceuticals Employee Salary by Region (2026)
Phathom Pharmaceuticals's average employee salary is $149,977 globally. Employees in North America receive the highest compensation.
Phathom Pharmaceuticals median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $134,000 |
Unlock salary by role, level, and city — and compare to Phathom Pharmaceuticals's industry peers.
Unlock Salary DataPhathom Pharmaceuticals Job Openings and Hiring Trends (2023-2026)
- Phathom Pharmaceuticals had 49 active job postings in 2026, a 33.3% increase (+16) from 2025.
- Phathom Pharmaceuticals had 33 active job postings in 2025, a 6.3% increase (+2) from 2024.
- Phathom Pharmaceuticals had 31 active job postings in 2024, a 110.0% increase (+22) from 2023.
- Phathom Pharmaceuticals had 9 active job postings in 2023, a 151.4% decline from 2022.
- Hiring velocity in 2026: 111 new roles/month, up from 38 in 2025 and 15 in 2024.
Phathom Pharmaceuticals's hiring is accelerating: active job postings rose 33.3% in 2026 to 49, with new postings per month climbing from 84 in 2023 to 111 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataPhathom Pharmaceuticals Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Phathom Pharmaceuticals's workforce based on public professional data. Overall sentiment is neutral and has improved 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 Phathom Pharmaceuticals
- How fast is Phathom Pharmaceuticals growing?
- In 2026, Phathom Pharmaceuticals's headcount shrank 5.3% to 385 employees, down from 399 in 2025.
- See the full headcount history
- Where are Phathom Pharmaceuticals employees located?
- Most Phathom Pharmaceuticals employees are based in North America (100.0% of headcount).
- Explore where the workforce is based
- What is the average salary at Phathom Pharmaceuticals?
- The average employee salary at Phathom Pharmaceuticals is approximately $150k per year.
- Analyze the salary distribution
- How many new job postings does Phathom Pharmaceuticals open per year?
- In Q1 2026, Phathom Pharmaceuticals opened 332 new job postings. In 2025, Phathom Pharmaceuticals opened 461 new job postings — about 38 per month.
- Track hiring trends by role
- When was Phathom Pharmaceuticals founded and where is it headquartered?
- Phathom Pharmaceuticals was founded in 2018 and is headquartered in Florham Park, New Jersey.
- Compare Phathom Pharmaceuticals to industry peers
Speak with a workforce expert about Phathom Pharmaceuticals.
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