Arbital Health
Arbital Health provides AI-powered actuarial tools for healthcare providers and payers to manage risk-based contracts. The 76-person company raised $41M in a Series B round in July 2025.
The growth story
Arbital Health grew from 2 to 76 employees between 2023 and 2026, raising $41M along the way, most recently a Series B in July 2025.
About
Arbital Health sells software that uses actuarial AI to help healthcare organizations monitor and forecast the financial performance of risk-based contracts. Its platform centralizes data and provides insights to reduce medical loss ratios and improve patient outcomes.
The company has grown rapidly since its 2023 founding, reaching 76 employees. Its $41M Series B in 2025 suggests strong investor confidence in its actuarial AI approach to healthcare contract management.
Founders and leadership
Engineering is Arbital Health's largest function with 12 employees. The company is led by a team of healthcare actuaries, though specific leadership details are not provided.
The Arbital Health org chart
Brian M. Overstreet (Co-Founder, President & CEO) leads 33 mapped leaders with 6 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Engineering 17 (+55% YoY), Finance 11 (-8% YoY), Operations 9 (+200% YoY), Information Technology 7 (+17% YoY), Business Development 7 (+40% YoY), Product Management 5 (+67% YoY).
Talent flow
Arbital Health draws heavily from actuarial firms, with Santa Barbara Actuaries supplying 11 employees and Axene Health Partners contributing 4. Employees have also come from healthcare data companies like Datavant and Kinsa Insights. Alumni have moved to various healthcare and tech companies, though no clear pattern emerges.
Most common previous employers of Arbital Health staff: Santa Barbara Actuaries (11), Axene Health Partners (4), Datavant (3), WeWork (3), Euclid (acquired by WeWork) (3), Kinsa Insights (3). Former Arbital Health employees most often moved to Phero Collective (1), Arcadia (1), Shaper Capital (1), Pearl Health (1), Apple (1), Jay Legal (1).
Hiring now
Web traffic
Traffic mix: 17% direct, 26% search, 8% social, 46% paid.
What this company is made of
Most common skills at Arbital Health: Microsoft Office (30), Microsoft Excel (30), Data Analysis (29), Leadership (28), Python (Programming Language) (25), SQL (23), R (Programming Language) (21), Research Skills (17).
Where the team actually sits
Arbital Health people are concentrated in California, United States (13), San Francisco Bay Area (7), Pennsylvania, United States (5), United States (4).
Search footprint
Arbital Health attracts about 96 organic search visits a month, traffic worth roughly $8K a month if bought through ads. It gained 102 ranking keywords and lost 44 in the last period.
Frequently asked
Arbital Health has 76 employees as of September 2026.
Arbital Health has raised $41M in total, most recently a Series B round in July 2025.
Arbital Health was founded in 2023 by Brian M. Overstreet.
Brian M. Overstreet (Co-Founder, President & CEO) sits at the top of Arbital Health's reporting structure, with 6 direct reports.
The most common previous employers of current Arbital Health staff are Santa Barbara Actuaries (11 people), Axene Health Partners (4 people), Datavant (3 people).
Former Arbital Health employees most often move to Phero Collective (1), Arcadia (1), Shaper Capital (1).
Arbital Health attracts about 96 organic search visits a month, worth roughly $8K a month in equivalent ad spend.
The most common skills among Arbital Health staff are Microsoft Office, Microsoft Excel, Data Analysis, Leadership, Python (Programming Language).
Arbital Health staff are concentrated in California, United States (13), San Francisco Bay Area (7), Pennsylvania, United States (5).
Arbital Health has about 17 people in Engineering, up 55% over the past year, as of September 2026.
Arbital Health has about 11 people in Finance, down 8% over the past year, as of September 2026.
Computed from 62 current and 16 former Arbital Health profiles, as of September 2026. Source: Crustdata.
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