Y Combinator Portfolio

YC-Backed Companies

5,949 Y Combinator portfolio companies tracked in the Altss database. For each company, Altss surfaces which family offices have co-invested alongside YC.

Summer 2019

(108 companies)
InEvent logo
S19

InEvent

In-Person, Hybrid and Virtual Event Management Software

Intersect Labs logo
S19

Intersect Labs

Collaborative data noteboook for business teams

Juno College of Technology logo
S19

Juno College of Technology

Juno is the university of the future.

Jupiter logo
S19

Jupiter

AppLovin for the food community

Kern Systems logo
S19

Kern Systems

Using DNA to store data.

Khabri logo
S19

Khabri

India's Largest Podcast Platform

Kitekraft logo
S19

Kitekraft

Building flying wind turbines.

Kraftful logo
S19

Kraftful

Copilot for product teams

technology · United States

KubeSail logo
S19

KubeSail

The Self-Hosting Company

LAIKA logo
S19

LAIKA

Online pets supplies for Latin America with over 4000 products & 20…

Lantern logo
S19

Lantern

User behavior monitoring for modern product teams

Legacy logo
S19

Legacy

Legacy helps you test, improve, and freeze your sperm

healthcare · United States

Lightwell logo
S19

Lightwell

LineLeap logo
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LineLeap

LineLeap gets customers to the fun, faster.

Localyze logo
S19

Localyze

Global mobility platform for companies and employees

Lofty logo
S19

Lofty

Building the NASDAQ for Real Estate.

Lokal logo
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Lokal

Local news, information and classifieds for India's small town users

consumer · Norway

Lucid Bots logo
S19

Lucid Bots

We build robots for dull, dirty, and dangerous jobs.

Lumineye logo
S19

Lumineye

X-ray Vision for First Responders

LunaSec logo
S19

LunaSec

An Open Source dependency security tool that is smarter than the rest

Meridian Industries logo
S19

Meridian Industries

Index is the modern business intelligence platform

Method Financial logo
S19

Method Financial

Financial connectivity API for consumer liabilities

Microverse logo
S19

Microverse

Training and connecting untapped talent with global opportunities

Mighty Health logo
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Mighty Health

All-in-one health program helping seniors with their daily function

Million Marker logo
S19

Million Marker

23andMe for environmental exposures

Mindset Health logo
S19

Mindset Health

Building AI therapeutics for physical health conditions like IBS.

healthcare · Australia

Mipos.dev logo
S19

Mipos.dev

Api that let you connect all the restaurant tech services in Latam

MoFE logo
S19

MoFE

Next generation Disney.

Mudafy logo
S19

Mudafy

The LatAm tech-enabled real estate broker to buy and sell houses.

Muddy logo
S19

Muddy

The multiplayer browser that knows you

Multis logo
S19

Multis

Accounting & Treasury Management Software for Web3 Teams

fintech

MyPetrolPump logo
S19

MyPetrolPump

On demand fuel delivery service in India

Namaste Business logo
S19

Namaste Business

Shopify for a mobile first world

Narrator logo
S19

Narrator

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

Nonu logo
S19

Nonu

We deliver hair loss medicines for Indian men on a subscription basis.

Obie logo
S19

Obie

Moving Investment Property Insurance Forward

Odeko logo
S19

Odeko

Our operations software makes it easier to run--and grow--your cafe

Odin logo
S19

Odin

Save, organize and showcase your mental dump

OpenReplay logo
S19

OpenReplay

Open-source, self-hosted, session replay tool for developers.

Outtalent logo
S19

Outtalent

We help top engineers from emerging markets get jobs abroad at…

Pair Team logo
S19

Pair Team

Building the safety net of the future

Palifer logo
S19

Palifer

Predictive maintenance models for trains and heavy industry

Path logo
S19

Path

Financial advisors for Gen-Z

PayMongo logo
S19

PayMongo

Modern online payments for the Philippines

fintech · Philippines

Pillar logo
S19

Pillar

All-In-One Creator Store

media · United States

Pippin / Rent the Backyard logo
S19

Pippin / Rent the Backyard

Autonomous homebuilding factory for the $1.7 trillion housing crisis.

PlayAbly logo
S19

PlayAbly

We build games to help brands engage, convert, and retain customers

Playground logo
S19

Playground

Make graphics like a Pro without being one

Plotdrive logo
S19

Plotdrive

AI that remembers your book and helps you finish it

PopSQL logo
S19

PopSQL

SQL editor for teams

United States

Preclusio logo
S19

Preclusio

We help companies comply with privacy laws like GDPR. Many of these…

PredictLeads logo
S19

PredictLeads

Best in class company intelligence data.

Prenda logo
S19

Prenda

K-8 microschools in your neighborhood

Prolific logo
S19

Prolific

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

research technology · United Kingdom

Prompt logo
S19

Prompt

Helping busy professionals understand and maintain their relationships

Proof Trading logo
S19

Proof Trading

Institutional equities broker-dealer

Rainbow logo
S19

Rainbow

Open-source, design centric software for interacting with blockchains

Ramen VR logo
S19

Ramen VR

Ramen VR is transforming game development with advanced XR + AI tools.

Recidiviz logo
S19

Recidiviz

Helping create a smaller, fairer, safer justice system

Revel logo
S19

Revel

We Deserve More in Midlife

business / productivity software · United States

S19

ReverCare

Concierge for elder care

Rosebud AI logo
S19

Rosebud AI

Vibe code games.

Rutter logo
S19

Rutter

The Unified API for Business Financial Data

Sable logo
S19

Sable

Mobile bank for credit-worthy, new-to-America internationals offering…

fintech · United States

Safely Finance logo
S19

Safely Finance

BNPL for moving and renting.

Sequence Bio logo
S19

Sequence Bio

Discovering the true signals of disease to power life-changing drugs.

Shift Health logo
S19

Shift Health

Turn manual healthcare process into automated workflows

Shiru logo
S19

Shiru

Shiru leverages ML to create proteins to feed the world sustainably.

Short Story logo
S19

Short Story

Modern ecommerce for petite women

Soteris logo
S19

Soteris

We write ML software to more accurately select & price insurance risk.

Souffle Club logo
S19

Souffle Club

Souffle Club:10x better LinkedIn alternative with profiles >> resumes

Spice Data logo
S19

Spice Data

Restaurant Data for the Enterprise

Superorder logo
S19

Superorder

AI customer reputation & performance management for restaurant chains.

Swadesh logo
S19

Swadesh

We setup Immigrants with a free US Bank Account, Credit Card, SIM…

fintech · India

Symplex logo
S19

Symplex

Applied Reinforcement Learning Research Laboratory

TRM Labs logo
S19

TRM Labs

TRM is building a safer financial system for billions of people.

Tandem logo
S19

Tandem

Tandem is a virtual office for remote and distributed teams.

technology

Taskade logo
S19

Taskade

One prompt. One app. One living workspace for teams.

TaxProper logo
S19

TaxProper

TaxProper helps large Real Estate owners manage their property taxes.

Tensil logo
S19

Tensil

We turn machine learning models into custom hardware.

Together Software logo
S19

Together Software

Learn from the experts at your company.

Traces logo
S19

Traces

Transform your video monitoring with AI

Tranqui Finanzas logo
S19

Tranqui Finanzas

Debt Management for Latin America.

Trella logo
S19

Trella

Trella is a platform that connects shippers to carriers. Trella…

Unflow logo
S19

Unflow

The next generation CMS built for mobile apps

UpEquity logo
S19

UpEquity

UpEquity gives homebuyers more certainty and power.

Vahan logo
S19

Vahan

AI recruiter for India's massive blue-collar workforce

hrtech · India

Valiu logo
S19

Valiu

USD mobile banking for LatAm's businesses and people

fintech · Colombia

Vendr logo
S19

Vendr

The AI negotiation agent to help you save money on SaaS.

Vitau logo
S19

Vitau

Subscription pharmacy for patients with chronic diseases in LatAm.

Vizy logo
S19

Vizy

An all-in-one virtual office for remote teams

Vorticity logo
S19

Vorticity

The Fastest Scientific Computing Platform on the Planet

Vouch logo
S19

Vouch

Insurance and risk management tools for startups and growth-stage…

fintech · United States

Voyage Biomedical logo
S19

Voyage Biomedical

Using cooling to end brain damage during stroke.

healthcare · United States

Wasmer logo
S19

Wasmer

The Operating System for Edge Computing

Well Principled logo
S19

Well Principled

The neural engine for autonomous robots

Wingman logo
S19

Wingman

Wingman helps inside sales reps with coaching while they're on a call.

Wren logo
S19

Wren

Wren is a monthly subscription to offset your carbon footprint.

sustainability · United States

Yummy Future logo
S19

Yummy Future

We build robotic workforces for the food & beverage industry.

ZETA SURGICAL logo
S19

ZETA SURGICAL

Next-Generation Surgical Navigation and Robotics

Zeal logo
S19

Zeal

Modern payroll for modern work

Zergo logo
S19

Zergo

We make a urine test that helps women get pregnant.

Zippi logo
S19

Zippi

Payment Platform for LatAm Micro and Small Businesses

fintech · Brazil

matagora logo
S19

matagora

Empowering local retailers with tech that works for them.

spotLESS Materials logo
S19

spotLESS Materials

Repellent coatings without PFAS

stoic. logo
S19

stoic.

Stoic helps people feel better and take care of their mental health.

treble.ai logo
S19

treble.ai

We help companies scale marketing campaigns through WhatsApp

zeroheight logo
S19

zeroheight

The design system layer for coding agents

Summer 2018

(92 companies)
64x Bio logo
S18

64x Bio

Enabling next generation medicines. A comprehensive platform and…

Activeloop logo
S18

Activeloop

Database for AI

Aesthetic logo
S18

Aesthetic

Your AI-powered creative apprentice 🪄

consumer · India

Ajaib logo
S18

Ajaib

Consumer fintech for Indonesia

fintech · Indonesia

S18

Allotrope Medical

Advancing surgical precision through safe electrical stimulation.

Alpha Vantage logo
S18

Alpha Vantage

Developer-friendly and enterprise-grade APIs for financial market…

Anima App logo
S18

Anima App

Design to Code & On-brand Vibe-coding

AnnieCannons logo
S18

AnnieCannons

Connecting Survivors to Careers in Tech

Apprentice Health logo
S18

Apprentice Health

We deploy sensors and software that increase hospital efficiency.

AskMyClass, now Soundkins logo
S18

AskMyClass, now Soundkins

Audio learning assistant for teachers and students.

Avo logo
S18

Avo

Online convenience store for residential and office buildings

BHRD logo
S18

BHRD

BHRD ("Be Heard") helps public companies communicate with investors.

Berbix logo
S18

Berbix

Convert more verified users. Instantly & accurately validate user IDs.

BlueCargo logo
S18

BlueCargo

The automated solution for complex freight transactions.

Bot MD logo
S18

Bot MD

AI Clinical Assistant for Doctors

healthcare · Singapore

BrainHi logo
S18

BrainHi

Automated receptionist that answers missed calls for local businesses

C16 Biosciences logo
S18

C16 Biosciences

Next-gen ingredients to decarbonize consumer products, starting w/…

CB Therapeutics logo
S18

CB Therapeutics

Fermentation-derived natural products to solve health problems

CSPA logo
S18

CSPA

The Computer Science Proficiency Assessment (CSPA™) is a…

education · United States

Calii logo
S18

Calii

Full-stack grocery delivery in LatAm

consumer · Mexico

Canary Technologies logo
S18

Canary Technologies

Modernizing the hospitality tech stack.

Circumvent logo
S18

Circumvent

Utilizing monogenic disorders to inform and solve highly complex…

Clear Gene logo
S18

Clear Gene

Our tests help eradicate cancer by telling doctors whether they got…

College Pulse logo
S18

College Pulse

Research and analytics company focused on college students.

Contrast logo
S18

Contrast

Developer Handoff - Reimagined for Storybook

Coral Genomics logo
S18

Coral Genomics

New clinical tests for managing autoimmune treatments.

Corvus Robotics logo
S18

Corvus Robotics

Autonomous drones to help warehouses scan inventory.

Cowrywise logo
S18

Cowrywise

Digitizing wealth management in Africa

Culdesac logo
S18

Culdesac

We build cities for people, not cars.

Curebase logo
S18

Curebase

Modern, AI-powered clinical trial software platform.

S18

Data Driven Bioscience

Cancer Diagnosis 10X faster, 10X cheaper

Demeanor.co logo
S18

Demeanor.co

Now part of thentwrk.com

Dinesafe logo
S18

Dinesafe

We crowdsource food safety reports & detect and prevent outbreaks.

Dorian Therapeutics logo
S18

Dorian Therapeutics

New therapeutics to rejuvenate tissue and treat age-related diseases

DreamCraft Entertainment, Inc. logo
S18

DreamCraft Entertainment, Inc.

Platform that allows anyone to create and monetize video games.

Duffel logo
S18

Duffel

The complete toolkit to sell travel.

Easol logo
S18

Easol

Shopify for experiences

travel technology · United Kingdom

Eden logo
S18

Eden

Developing AI to unleash diagnostic abundance.

fintech · United States

Embeddables logo
S18

Embeddables

The funnel builder built for health & wellness brands.

Enveritas logo
S18

Enveritas

We verify global supply chains for issues like child slavery and…

S18

ExceptionALLY

Affordable expertise for special needs parenting.

FREY logo
S18

FREY

FREY is a line of exceptional laundry and clothing care products.…

S18

FameGame

Live and interactive TV shows for mobile - starting with American…

Federacy logo
S18

Federacy

Penetration testing and bug bounty platform.

Fintual logo
S18

Fintual

Wealth manager

fintech · Chile

Four Growers logo
S18

Four Growers

Robots that feed the world - robotic harvesting and analytics

S18

Gerostate Alpha

Developing novel therapeutics for aging and chronic disease

Goodly logo
S18

Goodly

Student loan repayment as an employee benefit.

fintech · United States

S18

Grabb-It

Grabb-It is a location based Dynamic Digital - OOH advertising…

Grin logo
S18

Grin

Mobility and payments platform for Latin America

HappiLabs logo
S18

HappiLabs

Virtual Lab Managers for scientists and biotech, research Labs

Helicarrier (prev Buycoins) logo
S18

Helicarrier (prev Buycoins)

Cryptocurrency infrastructure for Africa.

Hepatx logo
S18

Hepatx

Replacing organ transplant with an infusion

HeyDoctor logo
S18

HeyDoctor

HeyDoctor provides online primary care (like refilling birth control,…

Honeylove logo
S18

Honeylove

Honeylove makes functional undergarments for women

INKHUNTER logo
S18

INKHUNTER

Augmented Reality mobile app to try and buy tattoos

Impactive (formerly Outvote) logo
S18

Impactive (formerly Outvote)

Political/civic tech helping progressive campaigns organize & mobilize

Inokyo logo
S18

Inokyo

We bring physical stores to the digital age with cashierless checkout.

Inscribe logo
S18

Inscribe

AI Document Fraud Detection for Banks, Credit Unions & Lenders

United States

S18

Ixora

We create the digital outdoor environment for a movie.

S18

JITX

Automatic circuit board design.

Khatabook logo
S18

Khatabook

Manage your ledgers and avail Financial Services like Lending on your…

Kinside logo
S18

Kinside

Powering the $648b Care Economy

Klarity logo
S18

Klarity

Klarity: Your Always-On AI Analyst, Advisor & Coach

Kobo360 logo
S18

Kobo360

Africa's leading supply chain technology platform.

Kunduz logo
S18

Kunduz

Kunduz provides instant answers to students' questions and makes…

LabelFlow logo
S18

LabelFlow

GitHub for visual data

Leena AI logo
S18

Leena AI

We at Leena AI build a virtual assistant that answers employee's…

LemonBox logo
S18

LemonBox

AI-generated personalized nutrition solutions, built for you daily.

Lowkey logo
S18

Lowkey

Capture, create, & share gaming moments (Acquired by Niantic!)

Mark Cuban Cost Plus Drug Company, PBC logo
S18

Mark Cuban Cost Plus Drug Company, PBC

Making low cost versions of high cost generic drugs.

Medinas Health logo
S18

Medinas Health

Medinas helps hospitals manage their inventory and buy and sell their…

MentalHappy logo
S18

MentalHappy

Group-Therapy Platform for Providers and Health Systems

consumer · United States

Meru Health logo
S18

Meru Health

An online provider for greater mental health

healthcare · United States

Modern Treasury logo
S18

Modern Treasury

Payment operations tools for money movement.

fintech · United States

Momentus logo
S18

Momentus

The space infrastructure services company

industrials · United States

Mutiny logo
S18

Mutiny

Your AI agent for creating anything customer-facing, in minutes.

marketing tech · United States

Mylk Guys logo
S18

Mylk Guys

Amazon for Vegans

Mytos logo
S18

Mytos

Robotic human cell manufacturing

Names & Faces logo
S18

Names & Faces

Technology to create fast, visual indexes of people and organizations.

Nestor logo
S18

Nestor

Skills-based talent management solutions for a dynamic workforce.

Nova logo
S18

Nova

Digital subscriptions that delight investors.

OWNY logo
S18

OWNY

Manage capital, investors & banking in one place.

OkCredit logo
S18

OkCredit

Simple and secure bookkeeping for Indian businesses.

OneGraph logo
S18

OneGraph

GraphQL API to connect all of the internet's APIs. Join us at Netlify!

OpenWrench logo
S18

OpenWrench

We help retailers and restaurant chains manage repairs and…

Optic logo
S18

Optic

Making APIs Developer-friendly

Oxygen logo
S18

Oxygen

A leading digital bank in the US offering personal and business…

financial services · United States

Paladin logo
S18

Paladin

We deploy autonomous drones to 911 calls. Our software gives first…

Papa logo
S18

Papa

One-stop-shop for flexible family care

healthcare · United States

S18

Passenger AI

Software for robotaxi operations.

S18

Penta Medical

Smart hardware for injury recovery.

Page 23 of 30

Which family offices back YC companies?

Altss tracks family office deal activity across the YC portfolio. Request access to see investor-level data, round participation, and LP mandates.

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