How Much Did Function Health Raise? Funding & Key Investors

Date August 22, 2025
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Function Health

COMPANY INFO

The company name is Function Health. It was founded in 2022 by Jonathan Swerdlin and Mark Hyman, M.D., who is also the Chief Medical Officer. Function Health has around 32 employees as of 2023. The company's website is www.functionhealth.com. It operates in the healthcare industry, specifically in laboratory services and health technology. Function Health provides a health empowerment platform that offers individuals access to over 160 lab tests and personalized insights from top doctors to help them monitor and optimize their health. The company aims to empower people to live 100 healthy years by combining routine whole-body lab testing with expert medical guidance.

How Much Did Function Health Raise? Funding & Rounds and Investors

Function Health is an innovative healthcare technology company founded in 2022 by Jonathan Swerdlin and Mark Hyman, M.D. Specializing in laboratory services, Function Health delivers a holistic health empowerment platform, enabling individuals to access over 160 lab tests and receive personalized medical insights from leading doctors. With its mission to help people live 100 healthy years, Function Health combines advanced whole-body routine lab testing with actionable medical guidance. As of 2023, the company employs around 32 people, has its headquarters in Austin, Texas, and operates a remote presence with a focus on the New York City area.

Function Health’s funding journey has rapidly accelerated since its inception, reflecting a robust growth and innovation strategy. The company has completed several notable funding rounds, ultimately securing substantial backing from prominent investors. Function Health funding has surpassed $53 million across five distinct rounds, culminating in substantial Series A and Series B raises. Early investments powered platform development and initial user growth, while later rounds focused on expanding healthcare offerings, building technological infrastructure, and scaling strategic partnerships. The speed and scale of these raises underscore Function Health’s ambition and the confidence of major venture capital firms and private investors in its vision of transformative healthcare.

Funding Rounds

Series B - $300M - May 2025

This significant Series B round was aimed at expanding Function Health’s innovative healthcare solutions, enhancing their technological infrastructure, and broadening the company’s ability to deliver lifelong wellness to a larger population. Led by Redpoint Ventures, this round valued the company at $2.5 billion and marks a major milestone in Function Health funding.

Series A - $53M - June 2024

The Series A funding round, led by Andreessen Horowitz, was used to support accelerated growth, form strategic partnerships, and scale core operations. Function Health investors recognized the company’s transformative approach to health empowerment, further propelling its expansion throughout the industry.

Seed Round - Not publicly disclosed - April 2024

This round focused on enhancing the digital health platform’s technology suite and preparing the company for subsequent, larger fundraising efforts. Pari Passu Venture Partners participated as a lead investor, reinforcing confidence in the company’s technological direction.

Seed Round - Not publicly disclosed - December 2023

Secured to drive further platform development and grow Function Health’s early user base, this funding enabled the company to iterate on its data-driven offerings and member experience.

Seed Round - $3M - March 2022

As the foundational capital for Function Health, this seed round enabled the company to launch initial operations, develop the core platform, and begin transforming the health empowerment landscape.

Key Investors

Andreessen Horowitz (a16z)

Andreessen Horowitz is one of Silicon Valley’s premier venture capital firms, renowned for backing transformative technology and healthcare companies. As a Function Health investor and lead of the Series A round, a16z has played a pivotal role in accelerating the company’s technical innovation and industry expansion.

Wisdom VC

Wisdom VC, with a track record of supporting high-growth startups in health technology, invested in Function Health during its early phases. Their strategic input and funding contributed to the platform’s rapid development and mission-driven approach.

Pari Passu Venture Partners

Pari Passu Venture Partners participated as a lead investor in Function Health’s late seed round, providing vital capital and support as the company scaled its technological capabilities and positioned itself for further investment.

Redpoint Ventures

Redpoint Ventures led the Series B investment, bringing deep expertise and networks within healthcare and digital innovation. Their partnership and significant capital infusion enabled Function Health to accelerate its vision and extend its reach to a broader base of users.

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Function Health Funding & Investor Information