Y Combinator companies

The Y Combinator portfolio as the radar sees it: synced daily, classified into clusters, checked for life and movement. 6,198 companies.

CompanyClusterProgramStatusLast signal
PatientBank

Get medical records online—from any doctor or hospital.

Healthcare and bioPatient medical records aggregationY CombinatorS16Inactive2026-08-23
People.aiAI

Harnesses business activity to unlock growth.

B2B SaaSAI-powered CRM insights platformY CombinatorS16Active2026-08-23
Polymail

Email productivity platform for business.

B2B SaaSSales email productivity platformY CombinatorS16Acquiredchecked 2026-08-23
Prime Lightworks

Prime Lightworks Inc. manufactures electric propulsion systems for…

Defense and spaceelectric propulsion for satellitesY CombinatorS16Site unreachablechecked 2026-08-17
Proxy

Smart ring digital wallet

Consumersmart ring digital walletY CombinatorS16Acquired2026-08-23
Pursuit

Revlo helps broadcasters on Twitch engage and monetize their fan…

Consumercreator economy fan engagement platformY CombinatorS16Acquiredchecked 2026-08-23
Quero Education

Quero is an online marketplace for college programs in Brazil. It…

Consumereducation marketplace for college programsY CombinatorS16Activechecked 2026-08-23
Raptor Maps

Raptor Maps builds software to manage the solar PV lifecycle.

Climate and energySolar asset management softwareY CombinatorS16Activechecked 2026-08-23
Ready Education

Ready Education is building the mobile OS for higher education. We…

B2B SaaSStudent engagement platform for higher edY CombinatorS16Activechecked 2026-08-23
Reebeez

Reebeez creates powerful microengines for UAVs. With a 2hr + flight…

Robotics and physical worldUAV propulsion microenginesY CombinatorS16Inactivechecked 2026-08-24
RigPlenish

On average each Ambulance run is two hours long, 40 minutes is spent…

Healthcare and bioambulance operations workflow automationY CombinatorS16Inactivechecked 2026-08-17
Robby TechnologiesAI

We are building a fleet of autonomous mobile robots that travel on…

Robotics and physical worldAutonomous last-mile delivery robotsY CombinatorS16Inactivechecked 2026-08-17
RocketLit

RocketLit is an adaptive learning and assessment platform.

Consumeradaptive learning platform for K-12Y CombinatorS16Site unreachablechecked 2026-08-17
Rose Rocket

Rose Rocket is ERP software for trucking companies.

B2B SaaSTMS software for truckingY CombinatorS16Activechecked 2026-08-23
RunKitDeveloper toolsJavaScript prototyping environmentY CombinatorS16Acquiredchecked 2026-08-17
Sage Care

Get care at home for mom or dad from trusted professionals in their…

Consumerin-home care marketplaceY CombinatorS16Inactive2026-08-23
SaleswhaleAI

Saleswhale is an automated sales assistant that follows up with your…

Vertical AI agentsAI sales qualification and lead follow-upY CombinatorS16Acquiredchecked 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
Scanate/Fellow

API for Invoice Financing

Fintechinvoice financing API platformY CombinatorS16Inactivechecked 2026-08-17
Seerslab

We are providing AR technologies and contents to app developers

ConsumerAR content and developer toolsY CombinatorS16Inactivechecked 2026-08-17
Selfycart

Selfycart - let's grocery shoppers scan items and checkout on their…

Commerce and marketplacesSelf-checkout retail technologyY CombinatorS16Inactive2026-08-23
Seneca Systems

Constituent system-of-record and service request management software…

B2B SaaSgovernment constituent management softwareY CombinatorS16Acquiredchecked 2026-08-24
Shield Bio

Bringing 3rd generation, nanopore sequencing to healthcare to solve…

Healthcare and bionanopore sequencing diagnosticsY CombinatorS16Inactivechecked 2026-08-24
SimpleCitizen

From signup to citizenship, only SimpleCitizen guides applicants…

B2B SaaScitizenship application guidance softwareY CombinatorS16Acquiredchecked 2026-08-23
Sixa

Personal computer in the cloud

Developer toolscloud-based development environmentY CombinatorS16Inactivechecked 2026-08-23
SkyLights

Premium immersive cinematic VR entertainment for captive audiences

ConsumerVR entertainment for captive audiencesY CombinatorS16Inactivechecked 2026-08-17
SmartPath

Financial wellness for the middle class

Fintechworkplace financial wellness coachingY CombinatorS16Activechecked 2026-08-23
SmartSite

Smartsite is a hardware device to protect workers from health risks…

Robotics and physical worldconstruction site safety hardwareY CombinatorS16Inactivechecked 2026-08-24
Squire Technologies

Platform to grow your barbershop and maximize profitability.

B2B SaaSBarbershop management and booking platformY CombinatorS16Activechecked 2026-08-23
Starcity

Starcity was one of the largest co-living brands. Exit to Common in…

Otherco-living real estate platformY CombinatorS16Acquiredchecked 2026-08-17
Starsky RoboticsAI

Driverless Trucks, for real.

Robotics and physical worldautonomous truckingY CombinatorS16Inactivechecked 2026-08-24
Suiteness

Book guaranteed connecting rooms and suites at hotels

Commerce and marketplacesluxury hotel suite bookingY CombinatorS16Activechecked 2026-08-23
Sway FinanceAI

Sway is bringing AI to the accounting industry

Vertical AI agentsAI bookkeeping for SaaSY CombinatorS16Inactivechecked 2026-08-24
Symple

Last mile logistics for delivery & service teams. We bring real-time…

Commerce and marketplacesfield service logistics platformY CombinatorS16Acquiredchecked 2026-08-17
Synvivia

Synvivia applies chemical control over cell behavior

Healthcare and biobiopharmaceutical manufacturing optimizationY CombinatorS16Activechecked 2026-08-24
Techmate

A technology concierge for your home. We provide on-demand support…

Consumeron-demand tech support marketplaceY CombinatorS16Acquiredchecked 2026-08-23
The Athletic

Subscription sports media.

Consumersubscription sports journalismY CombinatorS16Acquired2026-08-23
The Flex Company

Sustainable period care.

Consumersustainable period care productsY CombinatorS16Activechecked 2026-08-23
Ubiq

Screen-sharing for enterprise conference rooms

B2B SaaSwireless presentation softwareY CombinatorS16Inactivechecked 2026-08-17
Upgraded

Upgraded helps retailers and carriers sell devices on subscription.

Fintechdevice financing and subscription infrastructureY CombinatorS16Activechecked 2026-08-23
UtilityScore (formerly Pando)

API that estimates utility costs for 100M+ homes.

Data for AIutility cost estimation APIY CombinatorS16Inactive-
Validere

A carbon MRV solution for energy and hard-to-abate sectors

Climate and energyCarbon MRV for energyY CombinatorS16Activechecked 2026-08-23
Vetcove

Powering the animal health supply chain.

Commerce and marketplacesB2B veterinary supplies marketplaceY CombinatorS16Activechecked 2026-08-23
Vidcode

Coding for teens

Consumercoding education for teensY CombinatorS16Acquiredchecked 2026-08-23
Vote.orgConsumervoter registration and ballot accessY CombinatorS16Activechecked 2026-08-23
Whyd

We make a beautiful, great sounding, voice-controlled speaker.

Consumervoice-controlled music platformY CombinatorS16Inactivechecked 2026-08-23
Women Who Code

WWCode is a non profit that empowering diverse women to excel in tech.

Othernonprofit community educationY CombinatorS16Activechecked 2026-08-24
WorkRamp

The All-in-One Learning Platform

B2B SaaSLearning management and talent developmentY CombinatorS16Acquired2026-08-23
Xberts

Xberts.com is a community-based marketplace for global hardware…

Commerce and marketplaceshardware product marketplaceY CombinatorS16Inactivechecked 2026-08-17
Yoshi Mobility

Making car ownership and management frictionless.

Commerce and marketplacesautomotive supply chain and fleet managementY CombinatorS16Site unreachablechecked 2026-08-17
Able Health

Able Health gets doctors paid more for higher quality care

Healthcare and bioValue-based care management platformY CombinatorW16Acquiredchecked 2026-08-17
AlgorizAI

Algoriz is an AI based algorithmic trading platform that enables you…

FintechAI algorithmic trading platformY CombinatorW16Inactivechecked 2026-08-23
AlphaFlow

AlphaFlow is a technology-driven investment manager.

Fintechinstitutional real estate lending platformY CombinatorW16Inactivechecked 2026-08-24
AmberBox Gunshot Detection

Detect Gunshots | Inform Law Enforcement | Empower First Responders

Security and compliancegunshot detection and law enforcement alertsY CombinatorW16Activechecked 2026-08-23
Anchor Health

Modernizing home health care agencies with software, hardware, and…

Healthcare and bioHome health care operations platformY CombinatorW16Inactivechecked 2026-08-17
Apollo.io

Apollo is the foundation of your entire go-to-market strategy.

B2B SaaSLead intelligence and sales engagementY CombinatorW16Activechecked 2026-08-23
Astranis

Advanced satellites for high orbits.

Defense and spaceadvanced satellite communicationsY CombinatorW16Activechecked 2026-08-23
Bonsai

The all-in-one solution for small businesses and self-employed.

B2B SaaSBack-office software for freelancers and SMBsY CombinatorW16Acquiredchecked 2026-08-17
Boom

Economically and environmentally sustainable supersonic travel

Defense and spacesupersonic aircraft manufacturingY CombinatorW16Activechecked 2026-08-23
Bus.com

The easiest way to charter a bus in North America.

Commerce and marketplacesgroup transportation marketplaceY CombinatorW16Inactivechecked 2026-08-17
CaperAI

Plug-and-play cashier-less retail powered by computer vision and AI

Robotics and physical worldCashierless retail checkout hardwareY CombinatorW16Acquiredchecked 2026-08-23
Carbic

using ultrasonics + ml to analyze fluid behavior at infrastructure…

Robotics and physical worldfluid monitoring IoT sensorsY CombinatorW16Site unreachablechecked 2026-08-17
Castle

Block bots & bad behavior

Security and complianceBot and fraud detection platformY CombinatorW16Activechecked 2026-08-23
Castle

Castle manages rental homes using automation and on-demand labor.

B2B SaaSProperty management automationY CombinatorW16Inactivechecked 2026-08-23
Chatfuel

Platform to easily create chatbots to engage with audiences on…

B2B SaaSchatbot builder for marketing automationY CombinatorW16Activechecked 2026-08-23
Chillabit

Chillabit is the best way to procrastinate! It’s a live feed of funny…

Consumerstudent social networkY CombinatorW16Inactivechecked 2026-08-23
Compgun

Sales commission software that grows revenue.

B2B SaaSSales commission management softwareY CombinatorW16Inactivechecked 2026-08-17
ConstructVR

The simplest way to test, manage, and deploy VR/AR apps at scale.

Developer toolsVR/AR app deployment and managementY CombinatorW16Inactivechecked 2026-08-23
Copia

Copia's a for-profit technology company that solves food waste &…

Commerce and marketplacesFood waste logistics platformY CombinatorW16Activechecked 2026-08-23
Cover

The mobile-first insurance platform that makes insurance easy.

Fintechmobile insurance marketplaceY CombinatorW16Inactivechecked 2026-08-23
Daily

Conversational Voice and Multimodal AI built with Open Source

Agent infrastructureReal-time voice/video infrastructure for AI agentsY CombinatorW16Activechecked 2026-08-23
Deako

We make beautiful connected light switches that allow you to control…

Consumersmart home lighting switchesY CombinatorW16Activechecked 2026-08-23
DeepgramAI

Building foundational AI for speech transcription and understanding.

AI infra and computeSpeech AI infrastructure and APIsY CombinatorW16Activechecked 2026-08-23
DevColor

We give Black software engineers support they need to advance in tech.

Othercommunity and mentorship for underrepresented engineersY CombinatorW16Activechecked 2026-08-23
DoseDr

Helping diabetes patients use the correct amount of insulin,…

Healthcare and biodiabetes insulin dose managementY CombinatorW16Inactive2026-08-23
Elucify

Elucify is an API that plugs into your CRM which automatically cleans…

B2B SaaSCRM data cleaning and enrichmentY CombinatorW16Inactivechecked 2026-08-23
Embark TrucksAI

Self-driving semi trucks.

Robotics and physical worldautonomous trucking softwareY CombinatorW16Public companychecked 2026-08-17
Emburse

Expense management and AP automation.

Fintechcorporate expense management and cardsY CombinatorW16Acquiredchecked 2026-08-23
Enflux

Motion capture clothing for injury prevention

Robotics and physical worldMotion capture wearables for fitnessY CombinatorW16Inactivechecked 2026-08-24
Envyl

Envyl enables a fast, reliable and cost effective peer to peer…

Commerce and marketplacesP2P delivery logistics networkY CombinatorW16Inactivechecked 2026-08-17
FightCamp

Home boxing gym with motion trackers that compute punches and reps.

Consumerhome boxing fitness with motion trackingY CombinatorW16Activechecked 2026-08-23
flexEngage

Dynamic transactional communications for physical stores to help…

B2B SaaSPost-purchase engagement for retailersY CombinatorW16Acquiredchecked 2026-08-23
Focal SystemsAI

Building the Operating System for B&M Retail using Deep Learning

B2B SaaSretail operations and shelf automationY CombinatorW16Inactivechecked 2026-08-17
Function of Beauty

Customizable beauty for hair, skin, and body care products.

Consumercustomizable beauty e-commerceY CombinatorW16Activechecked 2026-08-24
Gecko Robotics

AI + Robotics for the Built World

Robotics and physical worldAI-powered infrastructure inspection robotsY CombinatorW16Activechecked 2026-08-23
Georgette Packaging

Carbon neutral packaging for ambitious businesses.

Climate and energysustainable packaging manufacturingY CombinatorW16Inactivechecked 2026-08-24
GetAccept

Close deals faster. Digitally.

B2B SaaSDigital sales room platformY CombinatorW16Activechecked 2026-08-23
Gigwell

Building the Operating System for the Concert & Live Events Industry.

B2B SaaSLive events booking and management platformY CombinatorW16Activechecked 2026-08-23
GitPrime

Visibility and analytics for software development leaders.

B2B SaaSEngineering analytics for developersY CombinatorW16Acquiredchecked 2026-08-17
GoLorry

Mobile marketplace for inter-city trucking in India

Commerce and marketplacesB2B logistics marketplace for truckingY CombinatorW16Site unreachablechecked 2026-08-17
Goodybag

An online tool for companies to order food from restaurants and…

Commerce and marketplacesCorporate catering marketplaceY CombinatorW16Acquiredchecked 2026-08-24
Hingeto

A B2B marketplace that connects inventory to online stores

Commerce and marketplacesB2B fashion inventory marketplaceY CombinatorW16Acquiredchecked 2026-08-17
HistoWiz

Accelerating Histopathology for Cancer Research

Healthcare and bioDigital pathology collaboration platformY CombinatorW16Activechecked 2026-08-23
Index

Mapping the world's professional relationships.

B2B SaaSProfessional network intelligenceY CombinatorW16Inactivechecked 2026-08-23
Inevitable Tech

To make food a renewable resource, for everyone

Robotics and physical worldAutomated vertical farming systemsY CombinatorW16Inactivechecked 2026-08-23
InnoVein

We cure intractable leg wounds with a replacement valve for veins.

Healthcare and biovenous disease medical deviceY CombinatorW16Inactive2026-08-23
Interstate Analytics

Multi-Touch Marketing Analytics

B2B SaaSMulti-channel marketing attribution analyticsY CombinatorW16Inactivechecked 2026-08-24
iSono Health

AI-powered platform for Accessible and Personalized Breast Health…

Healthcare and bioAI breast cancer screening deviceY CombinatorW16Activechecked 2026-08-23
Kip Health

Therapy the way it should be: high quality in-person therapy sessions…

Healthcare and bioDigital mental health therapy platformY CombinatorW16Acquiredchecked 2026-08-17
Kisan Network

Tech enabled and fully integrated PAN India agri produce supply chain

Commerce and marketplacesAgricultural supply chain platformY CombinatorW16Inactivechecked 2026-08-23