Sector portfolio · VC firm · United States
Kleiner Perkins Caufield & Byers' Biotech portfolio
Kleiner Perkins Caufield & Byers has backed 26 Biotech startups in rounds we track, $2.7B between them, shown by the stage each has reached. The best-funded is Epizyme.
Kleiner Perkins Caufield & Byers's whole portfolioKleiner Perkins Caufield & Byers's profile
Funding by segment
- Stage not reported$1.2B11
- Series C and later$741M6
- Series B$234M4
- Growth$444M3
- Series A$75M2
Where they are based
- United States24$2.4B
- China1$310M
United States
ChinaFounded
7 without a founding year on record.
Total raised
- Under $1M0
- $1M to $10M0
- $10M to $50M7
- $50M to $250M17
- $250M to $1B2
- $1B and over0
Each dot is a startup: the year it was founded across, the total it has raised up (each line is ten times the one below). Pick a segment to pick it out.
19 of 26 startups shown; the rest have no founding year or amount on record.
- 1 to 2
- 3 to 7
- 8 to 24
- 25 to 99
- 100 and more
- United States24
- China1
Startups by country, 2 countries in all.
Segment by segment
Stage not reported
11 startups · $1.2B raised
EpizymeEpizyme is a biopharmaceutical company focusing on treatments for blood cancer and tumors.United States$332M
CelladonCelladon is a biotechnology company developing molecular therapies for the treatment of heart failure.United States$172M
True North TherapeuticsTrue North Therapeutics is a pioneering biotechnology company selectively inhibiting the Complement pathway for diseases.United States$142M
NeuroPaceNeuroPace develops and markets implantable devices for the treatment of neurological disorders.United States$141M
EdeniQEdeniq is a leading biotechnology company that develops processes for producing and measuring cellulosic ethanol from corn kernel fiber.United States$119M- ABARMO BioSciencesARMO Biosciences is a biotechnology company that develops immune modulatory biologic therapeutics.United States$117M
- NNunaUnited States$90M
Flexus BiosciencesFlexus Biosciences is a biotechnology company based in San Carlos, California, founded in 2013.United States$53M
Series C and later
6 startups · $741M raised
- ZLZai LabChina$310M
- 3B3-V BiosciencesUnited States$146M
Elcelyx TherapeuticsElcelyx Therapeutics is developing nutrient sensing-based products for weight management and obesity-related metabolic disorders.United States$117M
RenmatixRenmatix is a plant ingredient innovation company that specializes in converting biomass into sustainable materials using its propUnited States$89M- KCKit CheckUnited States$48M
XcellerexXcellerex is a supplier of manufacturing technologies, developing and producing biomanufacturing systems and production-scale bioreactors.United States$31M
Series B
4 startups · $234M raised
NoomNoom is a prominent digital health company based in New York City, founded in 2008 by Saeju Jeong and Artem Petakov.United States$86M
Atara BiotherapeuticsAtara Biotherapeutics (Nasdaq: ATRA) is an off-the-shelf, allogeneic T-cell immunotherapy company.United States$69M- JBJuvaris BioTherapeuticsJuvaris BioTherapeutics develops adjuvanted vaccines and immunotherapeutics to treat cancer and infectious diseases.United States$55M
- PProgynyUnited States$25M
Growth
3 startups · $444M raised
- LHLivongo HealthUnited States$188M
- FPFive Prime TherapeuticsFivePrime is a clinical-stage biotechnology company that develops treatments for cancers.United States$146M
- AAccumetricsAccumetrics develops, manufactures, and markets the VerifyNow System, a suite of assays for the assessment of platelet functionUnited States$111M
Series A
2 startups · $75M raised
- EExpansionUnited States$55M
iZumi BioIZumi Bio, a biotechnology company, employs cellular reprograming for the development of stem cell-based therapeutics.United States$20M
How this map is made. Every startup here works in Biotech and has raised money in a round we track that names Kleiner Perkins Caufield & Byers as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.
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