Y Combinator companies

The Y Combinator portfolio as the radar sees it: synced daily, classified into clusters, checked for life and movement. 6,197 companies.

CompanyClusterProgramStatusLast signal
Eventual

Building the AI data engine for any modality and scale

Data for AImultimodal data infrastructure for AIY CombinatorW22Activechecked 2026-08-23
Invert

Data analytics software for biomanufacturing.

Data for AIbioprocessing data analyticsY CombinatorW22Activechecked 2026-08-23
IOMETE

Self-hosted data lakehouse platform

Data for AIself-hosted data lakehouse platformY CombinatorW22Activechecked 2026-08-23
KorrAIAI

Traceable AI for billion-dollar infrastructure.

Data for AIgeospatial AI for infrastructure riskY CombinatorW22Activechecked 2026-08-23
LanceDB

Open-source, serverless vectordb for production-scale generative AI

Data for AIVector database for AI applicationsY CombinatorW22Activechecked 2026-08-23
RedbirdAI

AI-powered Analytics Platform

Data for AIAI analytics automation platformY CombinatorW22Activechecked 2026-08-23
RedBrick AI

Rapid medical data annotation

Data for AIMedical imaging annotation infrastructureY CombinatorW22Activechecked 2026-08-23
Sarus

Use personal data for analytics and ML, safely and seamlessly

Data for AIprivacy-preserving data analyticsY CombinatorW22Acquiredchecked 2026-08-23
Serif Health

Healthcare Price Transparency APIs and Data Products

Data for AIhealthcare pricing data intelligenceY CombinatorW22Activechecked 2026-08-23
ShapedAI

The real-time retrieval engine for search, feeds, and agents.

Data for AIreal-time retrieval and ranking infrastructureY CombinatorW22Activechecked 2026-08-23
Sieve

The multimodal data lab

Data for AIVideo datasets for AI trainingY CombinatorW22Active, new domain2026-08-23
Spinach AIAI

The System of Action for Conversation Data

Data for AIConversation data extraction and structuringY CombinatorW22Activechecked 2026-08-23
Trackingplan

Automated QA for your Digital Analytics

Data for AIAnalytics data quality and monitoringY CombinatorW22Activechecked 2026-08-23
Tuva Health

Open source software that cleans and transforms messy healthcare data.

Data for AIhealthcare data transformation and qualityY CombinatorW22Activechecked 2026-08-23
Anakin

One API to get clean data from any website for your AI agents at scale

Data for AIWeb data extraction for AI agentsY CombinatorS21Activechecked 2026-08-23
Enso

Self-Service Data Prep and Blend Built for Data Teams.

Data for AISelf-service data preparation and blendingY CombinatorS21Activechecked 2026-08-23
Evidently AI

Open-source monitoring for machine learning models

Data for AIML model monitoring and observabilityY CombinatorS21Activechecked 2026-08-23
ExaAI

Web search rebuilt for LLMs

Data for AIAI-native web search infrastructureY CombinatorS21Activechecked 2026-08-23
Lariat Data

Observability for Data Engineering Teams

Data for AIData quality monitoring and observabilityY CombinatorS21Inactivechecked 2026-08-17
LightlyAI

Help ML teams label the right data

Data for AIactive learning for data selectionY CombinatorS21Activechecked 2026-08-23
PotionAI

AI for product formulation

Data for AIAI-powered product formulationY CombinatorS21Activechecked 2026-08-23
Scispot

The Best Data Infrastructure for Biotechs

Data for AIBiotech data infrastructure and workflowsY CombinatorS21Active, new domain2026-08-23
SecodaAI

Secoda is the AI layer for your Analytics

Data for AIAI-powered data discovery and governanceY CombinatorS21Activechecked 2026-08-23
Telmai

Automated data observability and quality for Data Lake

Data for AIdata quality and observability platformY CombinatorS21Activechecked 2026-08-23
Whaly

Whaly is building a self-service analytics platform

Data for AIself-service analytics platformY CombinatorS21Activechecked 2026-08-23
Encord

The data layer for physical AI

Data for AIMultimodal data curation for physical AIY CombinatorW21Activechecked 2026-08-23
HyperGlueAI

Business intelligence on text

Data for AIText analytics and insightsY CombinatorW21Acquiredchecked 2026-08-24
MindeeAI

AI Document Understanding API

Data for AIdocument understanding and OCR APIY CombinatorW21Activechecked 2026-08-23
Prequel

Helping B2B co's sync data to their customers

Data for AIdata pipelines and warehousing syncY CombinatorW21Activechecked 2026-08-23
SBX RoboticsAI

Synthetic data for better vision.

Data for AIsynthetic data for robot visionY CombinatorW21Inactivechecked 2026-08-17
Segments.ai

Build better computer vision models by building better datasets

Data for AIMulti-sensor data labeling platformY CombinatorW21Acquiredchecked 2026-08-23
Terra API

API for developers and AIs to access health data

Data for AIhealth data integration APIY CombinatorW21Activechecked 2026-08-23
Aquarium Learning

We help ML teams improve their models by improving their datasets

Data for AIDataset quality and anomaly detection for MLY CombinatorS20Acquiredchecked 2026-08-23
Blue Onion

Financial data layer for AI-powered finance and accounting

Data for AIFinancial data normalization for AIY CombinatorS20Activechecked 2026-08-23
Jitsu

Open-Source CDP (acquired by Helium Ventures)

Data for AIevent data collection and warehouse integrationY CombinatorS20Acquiredchecked 2026-08-23
Monosi

Open Source Data Observability

Data for AIData observability and reliability platformY CombinatorS20Inactive2026-08-23
Mozart Data

The easiest way to set up a modern data stack

Data for AIModern data stack platformY CombinatorS20Activechecked 2026-08-23
Streamdal

Data Quality & Playback Platform

Data for AIStreaming data quality and replayY CombinatorS20Inactivechecked 2026-08-23
TydoAI

Turn your data into intelligence

Data for AICustomer data warehouse for insightsY CombinatorS20Inactivechecked 2026-08-23
Ardis AIAI

Transform your text data into a searchable knowledge graph

Data for AIknowledge graph extraction from textY CombinatorW20Inactivechecked 2026-08-17
Chaos Genius

DataOps Observability Platform for Snowflake

Data for AISnowflake observability and cost optimizationY CombinatorW20Acquired2026-08-23
HandlAI

Handl converts documents (invoices, income stabs, custom forms, etc.)…

Data for AIdocument extraction and structured dataY CombinatorW20Activechecked 2026-08-23
Junction

API for at-home health data

Data for AIhealth data integration and collectionY CombinatorW20Activechecked 2026-08-23
Logarithm Labs

Easy button to use data for your daily operations

Data for AIData pipeline automation for operationsY CombinatorW20Activechecked 2026-08-23
Metaplane

Data observability for modern data teams

Data for AIData observability and quality monitoringY CombinatorW20Acquiredchecked 2026-08-23
Recall.ai

The API to get recordings, transcripts, and metadata from meetings

Data for AImeeting data capture and infrastructureY CombinatorW20Activechecked 2026-08-23
Segmed

Real-World Data for Health Innovation

Data for AIMedical imaging real-world dataY CombinatorW20Activechecked 2026-08-23
Zumo LabsAI

We generate synthetic data for computer vision models.

Data for AIsynthetic data for computer visionY CombinatorW20Inactivechecked 2026-08-17
Freshpaint

Customer data collection, safeguarding, & activation for healthcare

Data for AIHIPAA-compliant healthcare data pipelinesY CombinatorS19Activechecked 2026-08-23
Intersect Labs

Collaborative data noteboook for business teams

Data for AIData pipeline and orchestration for teamsY CombinatorS19Acquiredchecked 2026-08-23
Narrator

The only platform that can prep data to answer EVERY question you…

Data for AIdata preparation and analytics platformY CombinatorS19Inactivechecked 2026-08-23
PredictLeads

Best in class company intelligence data.

Data for AICompany intelligence data structuringY CombinatorS19Activechecked 2026-08-23
Prolific

Making diverse, high-quality data easily available to anyone, anywhere

Data for AIhuman-powered data collection platformY CombinatorS19Activechecked 2026-08-23
Spice Data

Restaurant Data for the Enterprise

Data for AIrestaurant data collection and analyticsY CombinatorS19Activechecked 2026-08-23
AskdataAI

Frictionless Data

Data for AInatural language data queryingY CombinatorW19Acquiredchecked 2026-08-17
BasilicaAI

Basilica is an API that embeds high-dimensional data like images and…

Data for AIembeddings and vector search APIY CombinatorW19Inactivechecked 2026-08-23
CentaurAI

We Create Superior Data By Making Annotation Competitive

Data for AICompetitive annotation and data labelingY CombinatorW19Activechecked 2026-08-23
DevFlight

Managed equipment data pipelines for manufacturers

Data for AIEquipment data pipelines for manufacturingY CombinatorW19Inactivechecked 2026-08-23
Our World in Data

Research and data to make progress against the world’s largest…

Data for AIPublic data visualization and researchY CombinatorW19Activechecked 2026-08-23
Superb AI

Superb AI provides end-to-end computer vision MLOps platform

Data for AIComputer vision data annotation and MLOpsY CombinatorW19Activechecked 2026-08-23
ActiveloopAI

Database for AI

Data for AImulti-modal dataset infrastructureY CombinatorS18Activechecked 2026-08-23
LabelFlow

GitHub for visual data

Data for AIdata labeling and dataset marketplaceY CombinatorS18Inactivechecked 2026-08-23
Dataform

Manage data in Snowflake, BigQuery, and Redshift

Data for AISQL pipeline managementY CombinatorW18Acquiredchecked 2026-08-17
Iambiq TechnologiesAIData for AItext data processing and extractionY CombinatorW18Inactivechecked 2026-08-17
Thematic

Customer intelligence for Enterprise CX teams. The grounded…

Data for AICustomer intelligence and feedback analyticsY CombinatorS17Activechecked 2026-08-23
NanoNetsAI

Automatic Data Extraction

Data for AIdocument data extractionY CombinatorW17Activechecked 2026-08-23
Playment

Mechanical Turk for enterprises.

Data for AIData labeling and annotation platformY CombinatorW17Acquiredchecked 2026-08-17
Scale AIAI

Data-centric infrastructure to accelerate the development of AI

Data for AIData labeling and RLHF infrastructureY CombinatorS16Activechecked 2026-08-23
UtilityScore (formerly Pando)

API that estimates utility costs for 100M+ homes.

Data for AIutility cost estimation APIY CombinatorS16Inactive-
Quilt Data

Quilt manages data like code so that companies can experiment faster

Data for AIdata versioning and catalogingY CombinatorW16Active, new domain2026-08-23
Zenysis

Building powerful data analysis software for developing countries.

Data for AIGovernment data integration and analyticsY CombinatorW16Activechecked 2026-08-23
Second Measure

Unlock the power of transaction data.

Data for AItransaction data analytics platformY CombinatorS15Acquiredchecked 2026-08-23
Pachyderm

Data Versioning, Data Pipelines, and Data Lineage

Data for AIdata versioning and pipeline orchestrationY CombinatorW15Acquiredchecked 2026-08-17
Yhat

End-to-end data science lifecycle management platform.

Data for AIData science lifecycle platformY CombinatorW15Acquiredchecked 2026-08-17
MetricWire

Mobile surveys for researchers

Data for AImobile research data collectionY CombinatorS14Activechecked 2026-08-23
Framed DataAI

Predicted churn for enterprises. (Acquired by Block)

Data for AIPredictive churn analytics platformY CombinatorW14Acquiredchecked 2026-08-23
PipelineDB

Open-source time-series data analytics extension for PostgreSQL

Data for AItime-series data aggregation pipelineY CombinatorW14Acquiredchecked 2026-08-17
Terravion

Real time Google Earth for agriculture -- imagery collected weekly…

Data for AIAgricultural imagery and remote sensingY CombinatorW14Inactivechecked 2026-08-17
Etleap

Etleap is an ETL solution for creating perfect data pipelines.

Data for AIautomated ETL and data pipelinesY CombinatorW13Activechecked 2026-08-23
Fivetran

The leader in automated data movement

Data for AIautomated data pipelines and ETLY CombinatorW13Activechecked 2026-08-23
InfluxData

The platform for building and operating time series applications.

Data for AItime series data platformY CombinatorW13Activechecked 2026-08-23
Scuba

Analytics for impatient people.

Data for AIEvent analytics for business insightsY CombinatorW13Acquired2026-08-23
Amiato

The BI bridge for unstructured data. We automatically bridge the gap…

Data for AIunstructured data integration for BIY CombinatorW12Acquiredchecked 2026-08-17
Zillabyte

Palantir for sales people

Data for AIdata analysis platform for salesY CombinatorW12Inactivechecked 2026-08-17
Freshplum

Analytics with action

Data for AIe-commerce analytics platformY CombinatorS11Acquiredchecked 2026-08-23
MarketBriefAI

Generate stories from SEC filings.

Data for AIfinancial document intelligenceY CombinatorS11Inactivechecked 2026-08-23
MixRank

Data products for sales, marketing, finance, recruiting, and more.

Data for AIWeb data collection and enrichmentY CombinatorS11Activechecked 2026-08-23
Segment

Software and APIs to collect, clean, and control customer data.

Data for AIcustomer data collection and routingY CombinatorS11Acquired2026-08-23
Data MarketplaceData for AIdata marketplace and tradingY CombinatorW10Inactivechecked 2026-08-23
Directed EdgeAI

Product recommendations.

Data for AIRecommendation engine infrastructureY CombinatorS09Activechecked 2026-08-23
Cloudant

NoSQL Database-aaS. Acquired by IBM in 2014. Now IBM Cloud Data…

Data for AIdistributed database infrastructureY CombinatorS08Acquired2026-08-23
Hello ChairAIData for AIRecommendation engine and ML infrastructureY CombinatorS07Inactivechecked 2026-08-23