About Function Health
Function Health is a company based in United States founded in 2022 by Jonathan Swerdlin. Function Health has raised $351 million across 3 funding rounds from investors including Andreessen Horowitz, Wisdom and Draft Ventures. Function Health has completed 2 acquisitions, including Ezra and Getlabs. Function Health offers products and services including Function Membership, Lab Tests, and Clinician Summary. Function Health operates in a competitive market with competitors including Healthy.io, LetsGetChecked, Everlywell, DoctorC and Lykon, among others.
- Total Equity Funding$351M (USD)
in 3 rounds
- Latest Funding Round$450M (USD), Debt – Conventional
Jul 2026
- InvestorsAndreessen Horowitz
& 29 more
- Investments & AcquisitionsEzra
& 1 more
Products & Services of Function Health
Function Health offers a comprehensive portfolio of products and services, including Function Membership, Lab Tests, and Clinician Summary.
Annual plan for 100+ lab tests and personalized insights
Comprehensive tests for blood, urine, and biomarkers
Written reports on test results and recommendations
Apps and channels of Function Health
Function Health publishes 1 mobile app with over 1K+ downloads; its YouTube channel Function Health has 4.84K subscribers and 30 videos.
Videos from Function Health
The most watched videos on Function Health's YouTube channel, Function Health (4.84K subscribers). Click a video to play it here.
More on Function Health.
Funding Insights of Function Health
Function Health has successfully raised a total of $351M across 3 strategic funding rounds. The most recent funding activity was a Debt – Conventional round of $450 million completed in July 2026. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $351M
- Total Rounds 3
- Last Round Debt – Conventional — $450M
- First Round $53M
(Jun 2024)
- Investors Count 30
All 3 funding rounds of Function Health with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Jul 2026 | $450M | Debt – Conventional | – | – | |
| Nov 2025 | $298M | Series B | – | Redpoint Ventures | |
| Jun 2024 | $53M | Series A | – | a16z |
30 investors in total: 13 institutional and 17 angel.
Investors in Function Health
Function Health has secured backing from 30 investors, including venture fund, angel, and institutional investors. Prominent investors backing the company include Andreessen Horowitz, Wisdom and Draft Ventures.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Venture capital investments in technology sectors are handled by Andreessen Horowitz. | – | a16z.com | - | |
Wisdom is focused on investments in health and longevity ventures. | 2016 | wisdom.vc | - | |
Seed and early-stage US tech/offline companies are invested in. | – | draftvc.com | San Francisco, United States | |
Venture capital firm investing in consumer sectors | – | g9.ventures | New York, United States | |
Accelerators & tech focused VC firm investing in seed & early stage companies in the US & China | – | k5ventures.com | Newport Beach, United States | |
Early-stage venture capital investments are provided by 53 Stations. | – | 53stations.com | Chicago, United States | |
Redpoint Ventures is engaged in venture capital investments. | – | redpoint.com | - | |
Technology sectors are targeted for venture capital investments. | – | aglaeventures.com | - | |
Venture capital investing and portfolio management services for accredited investors. | – | av.vc | - | |
Investments in technology companies are conducted globally by Battery Ventures. | – | battery.com | - |
Investor details for Function Health
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
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People of Function Health
6 people are tracked at Function Health (5 in leadership, 1 in team).
| Name | Role | Group |
|---|---|---|
Jonathan Swerdlin | Co-Founder & CEO | Leadership |
Pranitha Patil | Co-founder & COO | Leadership |
Mark Hyman | Co-Founder & Chief Medical Officer | Leadership |
Nikita Patel | Director, Clinical Research And AI | Leadership |
Seth Weisfeld | Co-founder | Leadership |
Jennifer Weinberg | Clinical Content Specialist | Team |
Complete people profiles for Function Health
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
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Investments & Acquisitions by Function Health
Function Health has strategically engaged in corporate development activities, having acquired 2 companies. Notable acquisitions include Ezra and Getlabs.
| Company Name | Description | Domain | Location | Founded | Acquired | Amount |
|---|---|---|---|---|---|---|
At-home lab appointments are booked via a specialized platform. | getlabs.com | Santa Monica, United States | 2018 | Apr 2026 | •••• | |
AI-based cancer screening is provided via MRI protocols for patients. | ezra.com | New York, United States | 2018 | May 2025 | •••• |
Complete acquisition details for Function Health
Acquired stakes, deal sources and the complete acquisition history require an active premium plan.
- Acquired stakes
- Deal sources
- Complete history
- Exports
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Timeline of Function Health
5 dated milestones of Function Health across 4 years, from founding to its latest funding, stage changes and deals.
Competitors of Function Health
Function Health operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Healthy.io, LetsGetChecked, Everlywell, DoctorC and Lykon, among others.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| healthy.io | 2013 | Tel Aviv, Israel | $139.5M | – | Smartphone-enabled urine test analysis is provided for home diagnostics. | |
| letsgetchecked.com | 2013 | Dublin, Ireland | $285.32M | – | Online platform to order at home diagnostic tests for all health conditions | |
| everlywell.com | 2014 | Austin, United States | $330M | 614 | At-home health tests for biomarkers, nutrition, and hormone analysis. | |
| doctorc.in | 2012 | Hyderabad, India | $2.54M | 147 | DoctorC is engaged in providing online diagnostic tests and consultations. | |
| lykon.de | 2015 | Berlin, Germany | $20.51M | 31 | Online platform for preventive care testing | |
| orangehealth.in | 2020 | Bengaluru, India | $47.12M | 375 | At-home diagnostic tests are booked and collected by phlebotomists. | |
| reperiohealth.com | 2020 | Portland, United States | $46.67M | – | Limited information available | |
| scanwellhealth.com | 2018 | Anaheim, United States | $3.65M | – | App for home-based kit enabled urine diagnosis |
Detailed competitors of Function Health
The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.
- Full competitor set
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- Benchmarks
- Competitive positioning
Verified entity values are shown only after access is granted.
Web traffic of Function Health
The website of Function Health (functionhealth.com) receives about 2.2M visits a month and ranks #21,897 among all websites worldwide, #483 in Alternative and Natural Medicine.
- Monthly visits2.2M
▲ 12.4% vs previous month
- Unique visitors576.8K
per month
- Global rank#21,897
among all websites
- Category rank#483
Health · Alternative and Natural Medicine
- Bounce rate36%
- Pages per visit6.8
- Average visit5 min 29 sec
- DevicesDesktop 47% · Mobile 53%
Websites whose visitors overlap most with Function Health. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| drhyman.com | 100% | – | #119,373 | View details | |
questhealth.com | questhealth.com | 93% | – | #35,385 | – |
| bigboldhealth.com | 84% | 22K | #1,059,654 | View details | |
| fountainlife.com | 82% | 60.4K | #715,578 | View details | |
ultrawellnesscenter.com | ultrawellnesscenter.com | 81% | – | #1,736,969 | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 40 similar websites and full traffic analytics for Function Health
The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.
- 40 similar websites
- Audience overlap
- Engagement analytics
- Traffic by brand
Verified entity values are shown only after access is granted.
Latest news on Function Health
Complete news archive for Function Health
Full article history, source details, and older brand coverage require an active premium plan.
- Full article archive
- Source and publication date
- Older coverage
- Brand-specific news history
Verified entity values are shown only after access is granted.
Similar companies to Function Health
10 companies that operate in the same segment as Function Health (Digital Health & Telemedicine), ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Provider of an online pharmacy with doctor listing and teleconsultation services | 2015 | Delhi, Delhi, India | USD 194 M | – | – | |
Online platform offering multiple healthcare services | 2013 | Bengaluru, Karnataka, India | USD 199.22 M | USD 62.4 M | 52 | |
An application is provided for comparing prescription drug prices nationwide. | 2011 | Santa Monica, California, United States | USD 22.21 M | USD 796.85 M | 738 | |
Healthcare appointments are booked online via Zocdoc's platform. | 2007 | New York, New York, United States | USD 425.97 M | USD 4.66 M | 233 | |
An online marketplace for healthcare products is operated. | 2011 | Kolkata, West Bengal, India | USD 38.26 M | – | – | |
Alto Pharmacy is focused on providing convenient prescription delivery services. | 2015 | San Francisco, California, United States | USD 591.64 M | – | – | |
Membership-based primary care platform is offered for employees and consumers. | 2007 | San Francisco, California, United States | USD 402.56 M | – | – | |
Telehealth solutions are provided for doctors and patients' consultations. | 2006 | Boston, Massachusetts, United States | USD 887.35 M | USD 115.54 M | 742 | |
Digital health services for men's wellness are offered by Ro. | 2017 | New York, New York, United States | USD 1.03 B | – | 703 | |
Provider of genetic test solutions to study ancestry, genealogy, and inherited traits | 2006 | Sunnyvale, California, United States | USD 943.53 M | USD 189.9 M | 265 |
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Frequently Asked Questions about Function Health
Function Health was founded in 2022 and raised its 1st funding round 2 years after it was founded.
Function Health is headquartered in United States.
Jonathan Swerdlin is the current CEO of Function Health. They have also founded this company.
Function Health is a funded company, having raised a total of $351M across 3 funding rounds to date. The company's 1st funding round was a Series A of $53M, raised on Jun 2024.
Function Health was founded in 2022 in the United States, operating within the preventive health sector. A comprehensive annual panel of lab tests is conducted to assess individual health status in detail. Physician insights and summaries are then supplied, along with interpretive guidance. Follow-up tests are offered to track changes over time. Results are stored securely for personal access and sharing with other providers, supporting ongoing health management.
Function Health's top competitors include Healthy.io, Orange health and LetsGetChecked.
Function Health offers Function Membership, Lab Tests, and Clinician Summary.
Function Health has 30 investors. Key investors include Andreessen Horowitz, Wisdom, Draft Ventures, G9 Ventures, and K5 Ventures.
Function Health operates through Function Health, Inc..
Yes. Function Health publishes Function Health, with over 1,000 downloads.
The website of Function Health receives about 2.2 million visits a month and ranks #21,897 among all websites worldwide.