Flatiron Health
operating company Β· company profileNew York Β· 8 people tracked
Investment thesis
Flatiron Health is a New York-based health technology company that builds real-world oncology data products, combining clinical data from millions of cancer patients with AI and human expertise. Its data has supported over 2,000 research publications and is used across the oncology ecosystem to inform treatment and research decisions.
Source: firm website, verified Aug 16, 2026.
Team Β· 8 people
from the firm's website & public directories
Founder mafia
The Flatiron Health mafia β11 people who came through Flatiron Health went on to found or lead other companies.
Frequently asked questions
- What sectors does Flatiron Health focus on?
- Flatiron Health focuses on AI & Machine Learning, Biotech, Digital Health, Healthtech.
- Where is Flatiron Health located?
- Flatiron Health is headquartered in New York, US.
Images
Co-investors Β· 123
Andreessen Horowitz (a16z) is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz, known for pioneering the platform model with a large team of operators supporting founders across stages.
Sequoia Capital is a venture capital firm that partners with founders to build technology companies.
GV (Google Ventures) is a venture capital firm that has invested in artificial intelligence and machine learning since its early days, building a global portfolio of more than 100 AI companies across infrastructure, life sciences, and applications.
Founders Fund is a venture capital firm that backs technology companies building transformative products.
Lightspeed is a global venture capital firm that has spent over two decades backing innovative companies as an early and first investor.
Bessemer Venture Partners is a global venture capital firm that partners with entrepreneurs across enterprise, consumer, and healthcare sectors from early stages through growth.
Accel is a venture capital firm that partners with exceptional teams, positioning itself as a first partner to founders globally.
Khosla Ventures is a venture capital firm that invests in early-stage companies focused on technology, mobile, and clean energy sectors, including biotechnology applications. The firm provides capital and strategic support to entrepreneurs developing breakthrough technologies across multiple markets.
Techstars is a startup accelerator and early-stage investor that funds ambitious founders and provides capital, mentorship, and access to a global network of investors, operators, and corporate partners.
Index Ventures is a multi-stage venture capital firm that backs companies from Seed to IPO and beyond, including through its dedicated seed fund Index Origin.
Alumni Ventures (AV) is a venture firm that gives accredited individual investors access to professionally managed, diversified venture portfolios by co-investing alongside leading lead VC firms. It offers annual funds, syndicate deal-by-deal investing, and various investor clubs.
Long Journey Ventures is an early-stage venture firm that backs unconventional, 'magically weird' founders and ideas, positioning itself as a hands-on, community-oriented partner to its companies.
βΆ111 more co-investors
Founder CollectiveNotable CapitalFJ LabsSV AngelBain Capital VenturesFirst Round CapitalKleiner PerkinsFoundation CapitalBoxGroupEverywhere VenturesGreat Oaks Venture CapitalTiger Global ManagementEniac VenturesGradient VenturesStreamlined VenturesSusa VenturesFirstMark CapitalRRE VenturesBling CapitalInnovation EndeavorsSignalFireMadrona Venture GroupStellar CapitalAfore CapitalAdditionResolute VenturesAcrew CapitalIA VenturesSoma CapitalRevolutionLerer HippeauOperator LPThrive CapitalBase10 PartnersGustoQueensBridge Venture PartnersBAM VenturesNexus Venture PartnersKortschak Investments L.P.Two Sigma VenturesThreshold VenturesTq Ventures LlcSocial StartsWGI GroupPrimary Venture PartnersCoinbase VenturesAngelPadNext Play VenturesWorklife Venturesboldstart venturesInspired CapitalKearny JacksonBrainchild HoldingsAlleyCorpDigital Currency GroupComcast VenturesScribble VenturesTeamworthy VenturesHigh AlphaVine VenturesNyca PartnersThe Finger GroupBrand Foundry VenturesTusk Venture PartnersStorm VenturesDig Ventures Management LimitedUP PartnersJetstreamVast Ventures305 VenturesKickstartMorado Venture PartnersScalar CapitalThe Venture Collective35VenturesRefactor CapitalCurious CapitalFlare Capital PartnersWormhole CapitalPeterson VenturesVersion One VenturesGlobal Innovation FundTMVFoothill VenturesFlexcap VenturesFounders Circle CapitalValor Equity PartnersArkitekt VenturesBasecamp FundSlack FundEqual VenturesmParticleTwelve BelowFirefly HealthPivotal Life SciencesThird PrimeDesigner FundAdvancit CapitalAudaciousBreakpoint CapitalHippo InsuranceTown Hall VenturesMeridian Street Capital6 Dimensions CapitalGovtech FundAirAngelsToba CapitalAndav CapitalDash FundRock Health CapitalYork IE
Firms observed investing alongside Flatiron Health, from public investor directories. Shared companies are the overlap with Flatiron Health's recorded portfolio.
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