EEburyraised$700M·Growth|SStarcloudraised$200M·Growth|FFunraised$72M·Series A|SStandard Intelligenceraised$75M·Series A|NNetomiraised$110M·Series C|PParallel Web Systemsraised$100M·Series B|RRogoraised$160M·Series D|HHightouchraised$150M·Series D|TTrue Anomalyraised$650M·Series D|SSaronicraised$1.75B·Series D|AAvocaraised$125M·Series B|SSiFiveraised$400M·Series G|SSidewinder Therapeuticsraised$137M·Series B|HHermeusraised$350M·Series C|WWHOOPraised$575M·Series G|

EEburyraised$700M·Growth|SStarcloudraised$200M·Growth|FFunraised$72M·Series A|SStandard Intelligenceraised$75M·Series A|NNetomiraised$110M·Series C|PParallel Web Systemsraised$100M·Series B|RRogoraised$160M·Series D|HHightouchraised$150M·Series D|TTrue Anomalyraised$650M·Series D|SSaronicraised$1.75B·Series D|AAvocaraised$125M·Series B|SSiFiveraised$400M·Series G|SSidewinder Therapeuticsraised$137M·Series B|HHermeusraised$350M·Series C|WWHOOPraised$575M·Series G|

QuestDB

QB

QB

QuestDB

Fast open-source time series database

DEVTOOLSSeries AEst. 201411–50 employeesLondon

QuestDB is the highest-performance open-source time series database, designed for financial data, IoT, and observability workloads. It queries billions of rows per second using a columnar storage model and SQL with time extensions. Used by Airbus, Aquis Exchange, and Fortune 500 companies for real-time analytics.

Total Raised$15M

Sapphire VenturesLoral Ventures

Founders

V

Vlad Ilyushchenko

N

Nicolas Hourcard

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