Guardant Health
NASDAQ: GHRedwood City, US · Founded 2011 · Delaware corporation · 12 known investors
Guardant Health develops blood-based testing (liquid biopsy) for cancer detection and monitoring across all stages of the disease. The company serves oncologists, patients, and biopharmaceutical firms with FDA-approved tests for cancer screening, early-stage risk assessment, and treatment selection.
Founders & leadership
AT
AmirAli TalasazExecutive Officer, Director
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Warren HogarthDirector
MW
Michael WileyExecutive Officer
HE
Helmy EltoukhyExecutive Officer, Director
SK
Samir KaulDirector
Investors · 12
8VCAustin · $100K – $50M
AUTHENTIC VENTURESOakland · $100K – $1M
Cota CapitalSan Francisco
Felicis VenturesSan Francisco · $500K – $15M
Khosla VenturesMenlo Park · $5K – $50Mvia Samir Kaul · led
Lightspeed Venture PartnersMenlo Park · $1.7M – $87M
Lotus CapitalCupertino
Manta Ray VenturesLondon
OUP (Osage University Partners)Bala Cynwyd · $1M – $20M
SGH CapitalParis
Pear VCreportedSan Francisco · $150K – $4M
Sequoia CapitalreportedMenlo Park · $4.4M – $214M
Competitors · 10
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American Cancer Society (ACS)197 shared keywordsThe American Cancer Society is a nonprofit cancer-fighting organization that combats cancer through advocacy, research, and patient support. It provides information, guidance, caregiver resources, screening guidance, and clinical trial navigation for cancer patients, families, and caregivers, and funds cancer research.
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Labcorp182 shared keywordsLabcorp provides clinical laboratory testing, diagnostics, and lab data services for patients, healthcare providers, and biopharma companies, including genetic health panels, oncology testing, and self-ordered lab tests. It also offers AI-powered tools such as a results-explaining consumer app, a diagnostic assistant integrated into EHRs, and a laboratory data analytics platform to support drug development and clinical research.
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Reported raises · per SEC filings
Form D private placements▶$320.4MraisedAug 2017 · 17 investors · BiotechnologyRule 506(b)
▶$320.4MraisedAug 2017 · 17 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Samir KaulDirector
- Michael WileyExecutive Officer
- Helmy EltoukhyExecutive Officer, Director
- AmirAli TalasazExecutive Officer, Director
- Aaref HilalyDirector
- Offering amount
- $320.4M
- Amount sold
- $320.4M
- First sale
- May 2017
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$82.8MraisedMar 2016 · 14 investors · BiotechnologyRule 506(b)
▶$82.8MraisedMar 2016 · 14 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Samir KaulDirector
- Michael WileyExecutive Officer
- Helmy EltoukhyExecutive Officer, Director
- AmirAli TalasazExecutive Officer, Director
- Aaref HilalyDirector
- Offering amount
- $100M
- Amount sold
- $82.8M
- First sale
- Dec 2015
- Incorporated
- Corporation, Delaware, 2011
- Federal exemptions
- 06b
▶$56MraisedMar 2015 · 21 investors · BiotechnologyRule 506(b)
▶$56MraisedMar 2015 · 21 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- AmirAli TalasazExecutive Officer, Director
- Warren HogarthDirector
- Michael WileyExecutive Officer
- Helmy EltoukhyExecutive Officer, Director
- Samir KaulDirector
- Offering amount
- $60M
- Amount sold
- $56M
- First sale
- Dec 2014
- Incorporated
- Corporation, Delaware, 2011
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
In the news
- Guggenheim raises Guardant Health stock price target on Shield data By Investing.cominvesting.com · 2026
- TD Cowen raises Guardant Health stock price target on FDA approval By Investing.cominvesting.com · 2026
- Guardant Health stock surges on colon cancer blood test news - TheStreetthestreet.com · 2026
- Guardant Health (GH) Sees Share Price Surge Following UnitedHealth Coverage Announcementgurufocus.com · 2026
- Guardant Health (GH) Stock After 193% One-Year Gain Is The Rally Running Out Of Room - Simply Wall St Newssimplywall.st · 2026
- Guardant Health stock climbs as investors continue to digest screening and diagnostics catalysts | Quiver Quantitativequiverquant.com · 2026
- Guardant Health Raises $50M for Biopsy Free Cancer Screeningtechcrunch.com · 2015
