How many employees work at Day One Biopharmaceutical?
Day One Biopharmaceuticals, Inc. has approximately 248 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Day One Biopharmaceutical’s total headcount has declined 40.8% from 418 employees in 2023 to 248 in 2026.
Is Day One Biopharmaceutical hiring right now?
Yes, Day One Biopharmaceutical is actively hiring. Day One Biopharmaceutical had 20 active job postings in 2026, a 22.2% increase from 2025 — see job openings & hiring trends.
About Day One Biopharmaceutical’s Workforce
Day One Biopharmaceuticals, Inc. is a Pharmaceuticals company that employs 248 people worldwide as of March 2026. It is the 8th-largest by headcount among its peers. Founded in 2018, the company is headquartered in Brisbane, California.
Day One Biopharmaceutical's workforce has declined 40.8% from 2023 to 2026, down 6.0% year over year in 2026. It fell to a low of 248 in 2026 Q1 before recovering. Its workforce is concentrated most in North America (94.7%), followed by South Asia (3.1%) and North Africa (0.6%).
Day One Biopharmaceutical's functional groups are Finance and Operations (47.8%), Engineering (27.6%), and Sales and Marketing (24.6%), with Engineering growing fastest (up 1.7%). The average salary is $208,035, ranging from a median of $216,000 in North America to $14,000 in South Asia, down 1.2% year over year in 2026.
Day One Biopharmaceutical's active job postings rose 22.2% in 2026 to 20, with new postings per month cooling from 30 in 2023 to 10 in 2026. Overall employee sentiment is neutral but declining.
Sourced from Revelio Labs workforce data.
- Headquarters
- Brisbane, California
- Founded
- 2018
- Industry
- Pharmaceuticals
- Employees
- 248
- YoY
- -6.0% (-56)
As of March 2026
Day One Biopharmaceutical workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Day One Biopharmaceutical. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsDay One Biopharmaceutical Annual Employee Count (2023-2026)
- Day One Biopharmaceutical had 248 employees in 2026, a 6.0% decline (-56) from 2025.
- Day One Biopharmaceutical had 262 employees in 2025, a 4.3% decline (-49) from 2024.
- Day One Biopharmaceutical had 311 employees in 2024, a 0.7% decline (-6) from 2023.
- Day One Biopharmaceutical had 317 employees in 2023, a 15.1% decline (-75) from 2022.
Day One Biopharmaceutical's total workforce has declined from 418 employees in 2023 to 248 in 2026.
Day One Biopharmaceuticals, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 248 | -56 | -6.0% |
| 2025 | Q4 | 262 | -49 | -4.3% |
| 2025 | Q3 | 266 | -42 | -4.7% |
| 2025 | Q2 | 274 | -36 | -3.6% |
| 2025 | Q1 | 304 | -10 | -0.8% |
| 2024 | Q4 | 311 | -6 | -0.7% |
| 2024 | Q3 | 308 | -15 | -1.7% |
| 2024 | Q2 | 310 | -108 | -14.4% |
| 2024 | Q1 | 314 | -94 | -13.6% |
| 2023 | Q4 | 317 | -75 | -15.1% |
| 2023 | Q3 | 323 | -46 | -14.9% |
| 2023 | Q2 | 418 | +81 | -0.3% |
See Day One Biopharmaceutical's complete headcount history, including quarterly breakdowns.
Get the DataDay One Biopharmaceutical Employee Count by Region (2026)
North America accounts for the largest share of Day One Biopharmaceutical's global workforce with approximately 95% of total employees, followed by South Asia and North Africa.
Day One Biopharmaceutical employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 231 | 94.7% |
| South Asia | 8 | 3.1% |
| North Africa | 1 | 0.6% |
| Southern Europe | 1 | 0.6% |
| Arab States | 1 | 0.4% |
| Sub-Saharan Africa | 1 | 0.4% |
| Western Europe | 0 | 0.2% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataDay One Biopharmaceutical Employee Count by Department (2026)
Day One Biopharmaceutical's employee groups are Finance and Operations (47.8%), Engineering (27.6%), and Sales and Marketing (24.6%).
Day One Biopharmaceutical employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 118 | 47.8% |
| Engineering | 68 | 27.6% |
| Sales and Marketing | 61 | 24.6% |
Compare Day One Biopharmaceutical's department mix to industry peers.
See Full DataDay One Biopharmaceutical Employee Salary by Region (2026)
Day One Biopharmaceutical's average employee salary is $208,035 globally. Employees in North America receive the highest compensation. Pay is lowest in South Asia, at a median of $14,000.
Day One Biopharmaceutical median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $216,000 |
| South Asia | $14,000 |
Unlock salary by role, level, and city — and compare to Day One Biopharmaceutical's industry peers.
Unlock Salary DataDay One Biopharmaceutical Job Openings and Hiring Trends (2023-2026)
- Day One Biopharmaceutical had 20 active job postings in 2026, a 22.2% increase (+4) from 2025.
- Day One Biopharmaceutical had 16 active job postings in 2025, a 28.6% increase (+4) from 2024.
- Day One Biopharmaceutical had 12 active job postings in 2024, a 45.2% decline (-7) from 2023.
- Day One Biopharmaceutical had 19 active job postings in 2023, a 110.6% decline from 2022.
- Hiring velocity in 2026: 10 new roles/month, down from 13 in 2025 and 16 in 2024.
Day One Biopharmaceutical's active job postings rose 22.2% in 2026 to 20, with new postings per month cooling from 30 in 2023 to 10 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataDay One Biopharmaceutical Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Day One Biopharmaceutical'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 Day One Biopharmaceutical
- How fast is Day One Biopharmaceutical growing?
- In 2026, Day One Biopharmaceutical's headcount shrank 6.0% to 248 employees, down from 304 in 2025.
- See the full headcount history
- Where are Day One Biopharmaceutical employees located?
- Most Day One Biopharmaceutical employees are based in North America (94.7% of headcount), followed by South Asia and North Africa.
- Explore where the workforce is based
- What is the average salary at Day One Biopharmaceutical?
- The average employee salary at Day One Biopharmaceutical is approximately $208k per year.
- Analyze the salary distribution
- How many new job postings does Day One Biopharmaceutical open per year?
- In Q1 2026, Day One Biopharmaceutical opened 30 new job postings. In 2025, Day One Biopharmaceutical opened 152 new job postings — about 13 per month.
- Track hiring trends by role
- When was Day One Biopharmaceutical founded and where is it headquartered?
- Day One Biopharmaceutical was founded in 2018 and is headquartered in Brisbane, California.
- Compare Day One Biopharmaceutical to industry peers
Speak with a workforce expert about Day One Biopharmaceutical.
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