Databricks operates a unified lakehouse platform built on Apache Spark that combines data warehousing and AI capabilities.

Lakehouse Platforms · Series L $4B

Lakehouse Platforms

Series L

$4B

HQ

VAST Data is an AI data platform whose AI Operating System unifies exabyte-scale storage, database, and data-engine services on a single architecture, feeding GPU clusters at the world's largest AI clouds and enterprises.

AI Data Platforms · Series F $1B

AI Data Platforms

Series F

$1B

HQ

Supabase provides an open-source Firebase alternative built on Postgres with auth, storage, and real-time subscriptions.

Operational Databases · Series F $500M

Operational Databases

Series F

$500M

HQ

ClickHouse commercializes the open-source OLAP database known for columnar storage and extreme query performance on large datasets.

Analytical Databases · Series D $400M

Analytical Databases

Series D

$400M

HQ

Hightouch provides reverse ETL and customer data platform capabilities that activate warehouse data in marketing and sales tools.

Reverse ETL · Series D $150M

Reverse ETL

Series D

$150M

HQ

Sigma Computing is a cloud-native analytics and business intelligence platform that gives business users a spreadsheet-style interface to explore live data directly in cloud warehouses like Snowflake, Databricks, and BigQuery without writing SQL.

Analytics & BI · Series E $80M

Analytics & BI

Series E

$80M

HQ

Qdrant is an open-source vector database optimized for high-dimensional similarity search and filtering on metadata.

Vector Databases · Series B $50M

Vector Databases

Series B

$50M

HQ

Cribl is a vendor-neutral telemetry data pipeline that lets enterprises route, reduce, enrich, and store observability and security data between any source and any destination.

Data Observability · Series E $319M

Data Observability

Series E

$319M

HQ

Starburst commercializes Trino, an open-source distributed SQL query engine that federates queries across disparate data sources.

Query Engines · Series D $250M

Query Engines

Series D

$250M

HQ

Snowflake provides a cloud-native data warehouse platform that separates compute and storage for elastic scaling.

Cloud Data Warehouses · Market cap $90.6B

Cloud Data Warehouses

Market cap

$90.6B

HQ

Monte Carlo provides data observability and quality monitoring that detects, resolves, and prevents data downtime.

Data Observability · Series D $135M

Data Observability

Series D

$135M

HQ

Airbyte provides an open-source data integration platform with community-built connectors for ELT pipelines.

Data Integration & ETL · Series B $150M

Data Integration & ETL

Series B

$150M

HQ

Fivetran automates data pipeline creation with pre-built connectors that sync SaaS and database sources to warehouses.

Data Integration & ETL · Series D $565M

Data Integration & ETL

Series D

$565M

HQ

Atlan is an active-metadata platform that gives enterprises a single control plane to discover, document, trace, and govern their data and AI assets across the modern data stack.

Data Governance & Catalogs · Series C $105M

Data Governance & Catalogs

Series C

$105M

HQ

Pinecone provides a managed vector database optimized for embedding search and retrieval-augmented generation workloads.

Vector Databases · Series B $100M

Vector Databases

Series B

$100M

HQ

Cockroach Labs builds CockroachDB, a distributed SQL database designed for global consistency and resilience.

Operational Databases · Series F $278M

Operational Databases

Series F

$278M

HQ

MotherDuck is a serverless analytics platform built on DuckDB that enables interactive SQL analysis on cloud and local data.

Analytical Databases · Series B $52.5M

Analytical Databases

Series B

$52.5M

HQ

Elastic builds search, observability, and security analytics platforms on top of the Elasticsearch engine.

Search & Analytics · Market cap $6.2B

Search & Analytics

Market cap

$6.2B

HQ

Dremio builds a lakehouse query engine with semantic layer capabilities, optimizing SQL queries across object storage and data lakes.

Query Engines · Series E $160M

Query Engines

Series E

$160M

HQ

Neo4j is the leading native graph database platform, pairing its Cypher query language with the AuraDB managed cloud service so enterprises can store, query, and analyze highly connected data as knowledge graphs for everything from fraud detection to GraphRAG.

Graph Databases · Growth $50M

Graph Databases

Growth

$50M

HQ

Redis is the company behind the world's most popular in-memory data store, selling managed and enterprise editions of Redis for caching, real-time data, vector search, and semantic caching for AI applications.

In-Memory & Caching · Series G $110M

In-Memory & Caching

Series G

$110M

HQ

Weaviate is an open-source vector database that integrates with machine learning models for semantic search and AI applications.

Vector Databases · Series B $50M

Vector Databases

Series B

$50M

HQ

Hex is a collaborative analytics workspace that combines SQL, Python, and no-code tools for exploratory analysis and data apps.

Analytics & BI · Series C $70M

Analytics & BI

Series C

$70M

HQ

Imply commercializes Apache Druid, a real-time analytics database optimized for sub-second queries on streaming and event data.

Analytical Databases · Series D $100M

Analytical Databases

Series D

$100M

HQ

Redpanda is a Kafka-compatible streaming platform built in C++ that eliminates the need for ZooKeeper and JVM overhead.

Streaming & Messaging · Series C $100M

Streaming & Messaging

Series C

$100M

HQ

SingleStore is a distributed SQL database that combines in-memory row and columnar storage for real-time analytics and transactional workloads.

Analytical Databases · Series F $146M

Analytical Databases

Series F

$146M

HQ

Timescale builds TimescaleDB, a time-series database extension for PostgreSQL optimized for IoT, monitoring, and event data.

Analytical Databases · Series C $109.5M

Analytical Databases

Series C

$109.5M

HQ

Zilliz is the company behind Milvus, an open-source vector database designed for billion-scale similarity search and AI applications.

Vector Databases · Series B $60M

Vector Databases

Series B

$60M

HQ

Materialize provides a streaming SQL database that maintains incrementally updated materialized views over real-time data streams.

Streaming & Messaging · Series C $60M

Streaming & Messaging

Series C

$60M

HQ

PlanetScale operates a serverless MySQL platform built on Vitess, offering branching, schema migrations, and horizontal scaling.

Operational Databases · Series C $50M

Operational Databases

Series C

$50M

HQ

RudderStack is an open-source customer data pipeline that collects event data and routes it to warehouses and marketing tools.

Data Integration & ETL · Series B $56M

Data Integration & ETL

Series B

$56M

HQ

Chroma is an open-source embedding database designed for LLM applications, emphasizing developer simplicity and Python-first APIs.

Vector Databases · Seed $18M

Vector Databases

Seed

$18M

HQ

MongoDB operates a distributed document database designed for flexible schemas and developer velocity.

Operational Databases · Market cap $28.9B

Operational Databases

Market cap

$28.9B

HQ

StarTree provides a managed cloud platform for Apache Pinot, the real-time OLAP datastore used for user-facing analytics.

Analytical Databases · Series B $47M

Analytical Databases

Series B

$47M

HQ

Dagster is an open-source orchestrator that treats data pipelines as software, with asset-centric workflows and built-in testing.

Transformation & Orchestration · Series B $33M

Transformation & Orchestration

Series B

$33M

HQ

Astronomer provides a managed platform for Apache Airflow, the open-source workflow orchestration tool for data pipelines.

Transformation & Orchestration · Series D $93M

Transformation & Orchestration

Series D

$93M

HQ

Prefect is an open-source workflow orchestration platform that emphasizes dynamic, Pythonic data pipelines and observability.

Transformation & Orchestration · Series B $32M

Transformation & Orchestration

Series B

$32M

HQ

LanceDB is the company behind the open-source Lance columnar format and a multimodal lakehouse that lets AI teams store, search, and train on petabytes of vectors, text, images, and video directly on object storage.

Lakehouse Platforms · Series A $30M

Lakehouse Platforms

Series A

$30M

HQ

Databento delivers real-time and historical market data via modern APIs for quantitative trading and financial applications.

Data Services · Series A $10M

Data Services

Series A

$10M

HQ

Striim provides real-time data integration and streaming ETL from databases, files, and applications to cloud platforms and analytics.

Streaming & Messaging · Series C $50M

Streaming & Messaging

Series C

$50M

HQ