How many employees work at Third Harmonic Bio?
Third Harmonic Bio, Inc. has approximately 11 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Third Harmonic Bio’s total headcount has declined 74.6% from 43 employees in 2023 to 11 in 2026.
Is Third Harmonic Bio hiring right now?
No, Third Harmonic Bio is not actively hiring. Third Harmonic Bio had 0 active job postings in 2026, a 0.0% no change from 2025 — see job openings & hiring trends.
About Third Harmonic Bio’s Workforce
Third Harmonic Bio, Inc. is a Pharmaceuticals company that employs 11 people worldwide as of March 2026. It is the 9th-largest by headcount among its peers. Founded in 2019, the company is headquartered in San Francisco, California.
Third Harmonic Bio's workforce has declined 74.6% from 2023 to 2026, down 41.6% year over year in 2026. It fell to a low of 11 in 2026 Q1 before recovering. Its workforce is concentrated most in North America (100.0%).
Third Harmonic Bio's functional groups are Engineering (44.4%), Sales and Marketing (34.3%), and Finance and Operations (21.3%). The average salary is $129,598, highest in North America at a median of $100,000, down 28.8% year over year in 2026.
Third Harmonic Bio's hiring activity held steady in 2026. Overall employee sentiment is positive and broadly stable.
Sourced from Revelio Labs workforce data.
- Headquarters
- San Francisco, California
- Founded
- 2019
- Industry
- Pharmaceuticals
- Employees
- 11
- YoY
- -41.6% (-35)
As of March 2026
Third Harmonic Bio workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Third Harmonic Bio. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsThird Harmonic Bio Annual Employee Count (2023-2026)
- Third Harmonic Bio had 11 employees in 2026, a 41.6% decline (-35) from 2025.
- Third Harmonic Bio had 12 employees in 2025, a 50.3% decline (-59) from 2024.
- Third Harmonic Bio had 71 employees in 2024, a 17.3% increase (+28) from 2023.
- Third Harmonic Bio had 43 employees in 2023, a 0.6% increase (-3) from 2022.
Third Harmonic Bio's total workforce has declined from 43 employees in 2023 to 11 in 2026. Third Harmonic Bio's headcount peaked at 71 in 2024.
Third Harmonic Bio, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 11 | -35 | -41.6% |
| 2025 | Q4 | 12 | -59 | -50.3% |
| 2025 | Q3 | 21 | -48 | -36.8% |
| 2025 | Q2 | 36 | -21 | -21.0% |
| 2025 | Q1 | 46 | +0 | -4.4% |
| 2024 | Q4 | 71 | +28 | +17.3% |
| 2024 | Q3 | 69 | +27 | +12.1% |
| 2024 | Q2 | 57 | +14 | +11.2% |
| 2024 | Q1 | 46 | +1 | +6.4% |
| 2023 | Q4 | 43 | -3 | +0.6% |
| 2023 | Q3 | 42 | +11 | +10.9% |
| 2023 | Q2 | 43 | +16 | +8.0% |
See Third Harmonic Bio's complete headcount history, including quarterly breakdowns.
Get the DataThird Harmonic Bio Employee Count by Region (2026)
North America accounts for the largest share of Third Harmonic Bio's global workforce with approximately 100% of total employees.
Third Harmonic Bio employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 11 | 100.0% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataThird Harmonic Bio Employee Count by Department (2026)
Third Harmonic Bio's employee groups are Engineering (44.4%), Sales and Marketing (34.3%), and Finance and Operations (21.3%).
Third Harmonic Bio employees by department
| Department | Employees | % of Total |
|---|---|---|
| Engineering | 5 | 44.4% |
| Sales and Marketing | 4 | 34.3% |
| Finance and Operations | 2 | 21.3% |
Compare Third Harmonic Bio's department mix to industry peers.
See Full DataThird Harmonic Bio Employee Salary by Region (2026)
Third Harmonic Bio's average employee salary is $129,598 globally. Employees in North America receive the highest compensation.
Third Harmonic Bio median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $100,000 |
Unlock salary by role, level, and city — and compare to Third Harmonic Bio's industry peers.
Unlock Salary DataThird Harmonic Bio Job Openings and Hiring Trends (2023-2026)
- Third Harmonic Bio had 0 active job postings in 2026, a 0% no change from 2025.
- Third Harmonic Bio had 0 active job postings in 2025, a 200.0% decline (-4) from 2024.
- Third Harmonic Bio had 4 active job postings in 2024, a 40.0% decline (-2) from 2023.
- Third Harmonic Bio had 6 active job postings in 2023, a 0% no change from 2022.
- Hiring velocity in 2026: 0 new roles/month, up from 0 in 2025 and 5 in 2024.
Third Harmonic Bio's hiring activity held steady in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataThird Harmonic Bio Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Third Harmonic Bio's workforce based on public professional data. Overall sentiment is positive and has held steady year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Unlock SentimentSimilar Companies
Frequently Asked Questions About Third Harmonic Bio
- How fast is Third Harmonic Bio growing?
- In 2026, Third Harmonic Bio's headcount shrank 41.6% to 11 employees, down from 46 in 2025.
- See the full headcount history
- Where are Third Harmonic Bio employees located?
- Most Third Harmonic Bio employees are based in North America (100.0% of headcount).
- Explore where the workforce is based
- What is the average salary at Third Harmonic Bio?
- The average employee salary at Third Harmonic Bio is approximately $129.6k per year.
- Analyze the salary distribution
- How many new job postings does Third Harmonic Bio open per year?
- In Q1 2026, Third Harmonic Bio opened 0 new job postings. In 2025, Third Harmonic Bio opened 0 new job postings — about 0 per month.
- Track hiring trends by role
- When was Third Harmonic Bio founded and where is it headquartered?
- Third Harmonic Bio was founded in 2019 and is headquartered in San Francisco, California.
- Compare Third Harmonic Bio to industry peers
Speak with a workforce expert about Third Harmonic Bio.
Book a DemoSee something that doesn't look right? Reach out and our team will review it.