Mayfield Fund
Long-tenured Sand Hill VC — Lyft, Marketo, SolarCity
VC
Early-stage
📍 Menlo Park, CA
Founded 1969
AUM
$3.0B
as of 2026-Q1
SMALL
Mayfield Fund was founded in 1969 — one of the original Sand Hill Road firms. Backed Lyft, SolarCity, Marketo, Poshmark, and 3PAR.
Notable Partners
Navin ChaddhaPatrick SalyerVijay Reddy
Portfolio Companies (48)
Enriched 2026-10-04 · QuantLogix research
PublicSeriesNumeralEkaiMINDLightRadiantSiMa.aiPaceGutsyAuraField AIAttoTudeActiveCampaignMammoth BiosciencesUpscale AIServiceMaxProRata.aiTRIBEMission BioVentureHouseWhisperSeed RoundUare.aiSeed RoundAlignableVenture RoundEntelligence AISeed RoundRoost AISeed RoundDeployedSeed RoundDoloromicsSeed RoundIntuitiveSeed RoundSAP ConcurPost-IPO EquityFivestarSeed RoundMIPS TechnologiesVenture RoundEdisonVenture RoundRubicon ProjectVenture RoundPiximVenture RoundNetsilSeed Roundboats.comVenture RoundEchelonPost-IPO EquityVelocity11Funding RoundLSI LogicVenture RoundWavesplitterVenture RoundCompanies tracked: 16Disclosed funding total: $1.3B across 16 companiesMedian disclosed raise: $52MMost recent dated round: 2025-06-04LendingkartRecogniCrunchbaseregal.tech
Investment Focus
Stages
Series A · Series B
Sectors
Enterprise · AI · Bio
VCSand HillLong-Tenured
Investor data reflects publicly disclosed AUM, fund sizes, and portfolio holdings as of 2026-Q1. Refreshed periodically.