How many employees work at Haystack Oncology?

Haystack Oncology, Inc. has approximately 95 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Haystack Oncology’s total headcount has grown 28.4% from 74 employees in 2023 to 95 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published August 2026

Is Haystack Oncology hiring right now?

Yes, Haystack Oncology is actively hiring. Haystack Oncology had 1 active job postings in 2026, a 200.0% increase from 2025 — see job openings & hiring trends.

About Haystack Oncology’s Workforce

Haystack Oncology, Inc. is a Biotech and Healthcare Services company that employs 95 people worldwide as of March 2026. It is the 5th-largest by headcount among its peers. Founded in 2021, the company is headquartered in Baltimore, Maryland.

Haystack Oncology's workforce has grown 28.4% from 2023 to 2026, up 0.7% year over year in 2026. Its workforce is concentrated most in North America (65.7%), followed by Western Europe (29.3%) and Southern Europe (3.3%).

Haystack Oncology's functional groups are Finance and Operations (39.8%), Engineering (31.1%), and Sales and Marketing (29.0%), with Engineering growing fastest (up 3.8%). The average salary is $115,524, ranging from a median of $128,000 in North America to $89,000 in Western Europe, up 2.5% year over year in 2026.

Haystack Oncology's active job postings rose 200.0% in 2026 to 1, with new postings per month cooling from 3 in 2023 to 0 in 2026. Overall employee sentiment is positive but declining.

Sourced from Revelio Labs workforce data.

Headquarters
Baltimore, Maryland
Founded
2021
Industry
Biotech and Healthcare Services
Employees
95
YoY
+0.7% (+9)

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Haystack Oncology Annual Employee Count (2023-2026)

Interactive chart of Haystack Oncology annual worldwide employee count from 2023 to 2026.
  • Haystack Oncology had 95 employees in 2026, a 0.7% increase (+9) from 2025.
  • Haystack Oncology had 97 employees in 2025, a 4.0% increase (+16) from 2024.
  • Haystack Oncology had 81 employees in 2024, a 3.4% increase (+3) from 2023.
  • Haystack Oncology had 78 employees in 2023, a 1.4% increase (+9) from 2022.

Haystack Oncology's total workforce has grown from 74 employees in 2023 to 95 in 2026.

Haystack Oncology, Inc. quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q195+9+0.7%
2025Q497+16+4.0%
2025Q398+12+2.3%
2025Q288+4-1.6%
2025Q186+2-2.6%
2024Q481+3+3.4%
2024Q386+8+1.6%
2024Q284+10+4.9%
2024Q184+10+7.8%
2023Q478+9+1.4%
2023Q378+18+3.4%
2023Q274+23+3.5%

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Haystack Oncology Employee Count by Region (2026)

North America accounts for the largest share of Haystack Oncology's global workforce with approximately 66% of total employees, followed by Western Europe and Southern Europe.

Haystack Oncology employees by region

RegionEmployees% of Total
North America6365.7%
Western Europe2829.3%
Southern Europe33.3%
South Asia21.7%

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Haystack Oncology Employee Count by Department (2026)

Haystack Oncology's employee groups are Finance and Operations (39.8%), Engineering (31.1%), and Sales and Marketing (29.0%).

Haystack Oncology employees by department

DepartmentEmployees% of Total
Finance and Operations3839.8%
Engineering3031.1%
Sales and Marketing2829.0%

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Haystack Oncology Employee Salary by Region (2026)

Haystack Oncology's average employee salary is $115,524 globally. Employees in North America receive the highest compensation. Pay is lowest in Western Europe, at a median of $89,000.

Haystack Oncology median employee salary by region (USD)

RegionMedian Salary
North America$128,000
Western Europe$89,000

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Haystack Oncology Job Openings and Hiring Trends (2023-2026)

Interactive chart of Haystack Oncology annual active job postings from 2023 to 2026.
  • Haystack Oncology had 1 active job postings in 2026, a 200.0% increase (-2) from 2025.
  • Haystack Oncology had 3 active job postings in 2025, a 200.0% increase (+3) from 2024.
  • Haystack Oncology had 0 active job postings in 2024, a 200.0% decline (-1) from 2023.
  • Haystack Oncology had 1 active job postings in 2023, a 166.7% decline from 2022.
  • Hiring velocity in 2026: 0 new roles/month, up from 0 in 2025 and 1 in 2024.

Haystack Oncology's active job postings rose 200.0% in 2026 to 1, with new postings per month cooling from 3 in 2023 to 0 in 2026.

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Haystack Oncology Employee Sentiment (2026)

Revelio Labs tracks employee sentiment across Haystack Oncology's workforce based on public professional data. Overall sentiment is positive and has declined year over year in 2026.

Overall

NegativePositive

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Frequently Asked Questions About Haystack Oncology

How fast is Haystack Oncology growing?
In 2026, Haystack Oncology's headcount grew 0.7% to 95 employees, up from 86 in 2025.
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Where are Haystack Oncology employees located?
Most Haystack Oncology employees are based in North America (65.7% of headcount), followed by Western Europe and Southern Europe.
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What is the average salary at Haystack Oncology?
The average employee salary at Haystack Oncology is approximately $115.5k per year.
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How many new job postings does Haystack Oncology open per year?
In Q1 2026, Haystack Oncology opened 1 new job postings. In 2025, Haystack Oncology opened 4 new job postings — about 0 per month.
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When was Haystack Oncology founded and where is it headquartered?
Haystack Oncology was founded in 2021 and is headquartered in Baltimore, Maryland.
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