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Total amount raised
$354M
Latest funding date
2025-11-19
Location
Function Health has raised approximately $354 million across multiple funding rounds, with the latest being a Series B led by Redpoint Ventures. The platform offers advanced health checkups through extensive lab testing and full-body MRI scans, designed to detect over 100 conditions annually.
What Is Function Health?
Function Health is a healthcare technology company based in Austin, Texas. It offers comprehensive lab testing and health monitoring services, designed to help individuals monitor their health through over 100 lab tests annually.
Founded as a private entity, Function Health has grown significantly since its 2022 seed round. The company has raised funding through multiple rounds, with the latest being a Series B round at a $2.5 billion valuation. Notable investors include Redpoint Ventures, Andreessen Horowitz, and Zac Efron.
Function Health emphasizes early detection and continuous monitoring, providing personalized health protocols based on test results explained by top doctors. The company acquired Ezra AI in May 2025 to enhance its service offerings with full-body MRI scans.
How Much Funding Has Function Health Raised?
- Seed Round (Pre-Seed / Angel)
- Amount Raised: USD 3,000,000
- Date: March 2022
- Lead Investors: Not publicly disclosed
- Valuation at Round: Not publicly disclosed
- Motivation Behind the Round: To kickstart the development of their health monitoring platform.
- Seed Round
- Amount Raised: Not publicly disclosed
- Date: December 2023
- Lead Investors: Pari Passu Venture Partners
- Valuation at Round: Not publicly disclosed
- Motivation Behind the Round: To further develop and refine their health monitoring services.
- Series A
- Amount Raised: USD 53,000,000
- Date: June 2024
- Lead Investors: Andreessen Horowitz (a16z) Bio + Health
- Valuation at Round: Approximately USD 191,000,000
- Motivation Behind the Round: To scale the platform and support personalized health insights through extensive biomarker testing, with additional participation from celebrity investors including Matt Damon, Zac Efron, Kevin Hart, and Pedro Pascal.
- Series B
- Amount Raised: USD 298,000,000
- Date: November 19, 2025
- Lead Investors: Redpoint Ventures
- Valuation at Round: USD 2,500,000,000
- Motivation Behind the Round: To expand service offerings including Medical Intelligence AI, support the acquisition of Ezra AI, and further scale the platform. Participating investors included a16z, Aglaé Ventures, Alumni Ventures, Battery Ventures, Menlo Ventures, Motley Fool Ventures, Samsung Next, NFDG (Nat Friedman and Daniel Gross), Vanderbilt University, Magic Johnson, Matt Damon, Zac Efron, Breanna Stewart, Anthony Wood (Roku founder), and others.
Total Amount Raised: At least USD 354,000,000 based on disclosed funding. Current Valuation: USD 2,500,000,000 (as of Series B, November 2025).
Key Investors
- Redpoint Ventures
- Details: Redpoint Ventures is a venture capital firm that invests in early-stage technology companies. They led Function Health's oversubscribed Series B round at a $2.5 billion valuation.
- Investment Focus Areas: Technology, healthcare, consumer internet, enterprise software.
- Notable Investments: Stripe, Snowflake, Twilio.
- Andreessen Horowitz (a16z)
- Details: Andreessen Horowitz, also known as a16z, is a prominent venture capital firm based in Silicon Valley. They led Function Health's Series A and participated in the Series B, with Daisy Wolf and Bryan Kim from the Bio + Health team leading the investment.
- Investment Focus Areas: Technology, healthcare, fintech, consumer, enterprise software.
- Notable Investments: Facebook, Airbnb, Lyft.
- Pari Passu Venture Partners
- Details: Pari Passu Venture Partners is an investment firm that focuses on early-stage companies. They led Function Health's December 2023 seed round.
- Investment Focus Areas: Healthcare, technology, consumer products.
- Notable Investments: Not publicly disclosed.
- Alison Ryu
- Details: Alison Ryu is an investor with a focus on health and wellbeing. She has been involved in various ventures aimed at improving human health.
- Investment Focus Areas: Health, wellness, longevity.
- Notable Investments: Not publicly disclosed.
- Amanda Eilian
- Details: Amanda Eilian is an investor who focuses on companies that aim to improve human health and increase life expectancy. She has a background in supporting health-focused startups.
- Investment Focus Areas: Health, wellness, longevity.
- Notable Investments: Not publicly disclosed.
What's Next for Function Health?
Function Health stands at the cusp of significant growth, driven by its personalized health insights and strategic partnerships. With nearly 50,000 paying members and a $53 million Series A funding round, the company is poised to expand its user base and enhance its platform with advanced biomarker testing.
Future fundraising opportunities seem promising, given the rapid scaling and industry trends favoring personalized health and longevity. However, challenges such as maintaining growth, ensuring data privacy, and competing in a crowded market could test the company's resilience.
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