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 2021

(124 companies)
Planet A Foods logo
S21

Planet A Foods

Building the next generation food ingredient champion.

Pluggy logo
S21

Pluggy

Plaid for Brazil: we allow developers to access users' financial data

Portão 3 logo
S21

Portão 3

We are the frictionless way for companies to make payments.

Positional logo
S21

Positional

A modern platform for content marketing & SEO.

Potion logo
S21

Potion

AI for product formulation

Promakhos Therapeutics logo
S21

Promakhos Therapeutics

A therapeutics platform for curing inflammatory disorders

PropReturns logo
S21

PropReturns

End-to-end commercial real estate transaction platform

Protego logo
S21

Protego

We help companies recover lost revenue from chargebacks

Protex AI logo
S21

Protex AI

Computer vision that makes the industrial workplace, safer

Pylon logo
S21

Pylon

Infrastructure management software for water & electricity companies

financial services · United States

Quest logo
S21

Quest

Audio career advice

REPROSENT logo
S21

REPROSENT

Activating an overlooked force in medicine - the patient.

RMFG logo
S21

RMFG

Advanced Contract MFG for fast moving hardware companies

Redbean logo
S21

Redbean

Make games and stories with AI

Reframe (Glucobit) logo
S21

Reframe (Glucobit)

App to help people quit or cut back on alcohol use

RendaloMaq logo
S21

RendaloMaq

Tech-powered equipment rentals in Latam.

Replo logo
S21

Replo

Sell anything

commerce enablement · United States

Repool logo
S21

Repool

Modernizing hedge fund back office software and services.

United States

Revery AI logo
S21

Revery AI

Tiktok for fashion - where designers show their work + build traction

Revolve Surgical logo
S21

Revolve Surgical

Surgical robotics for every operating room

Rinse logo
S21

Rinse

We're building the One Medical for dental

Rivia.AI logo
S21

Rivia.AI

Interactive Product Demos

Rootly logo
S21

Rootly

AI-native on-call and incident response carefully crafted to help…

technology · United States

Ruta Health logo
S21

Ruta Health

Async personalized and actionable health education by real doctors

Ruth Health logo
S21

Ruth Health

Telehealth hub for pregnant people 🧡

SFA Therapeutics logo
S21

SFA Therapeutics

Regulating the immune system to block cancer & autoimmune diseases

SafeBeat logo
S21

SafeBeat

Guiding cardiac therapeutics - all from your phone

Safer Management logo
S21

Safer Management

Student Attendance tracking for Public Schools

SalaryBook logo
S21

SalaryBook

Mobile first solution for Payroll, employee & expense management

SalaryBox logo
S21

SalaryBox

Gusto for India

business/productivity software · India

Satsuma logo
S21

Satsuma

Reliable blockchain indexing & querying for web3 engineering teams.

industrials · United States

Scispot logo
S21

Scispot

The Best Data Infrastructure for Biotechs

Scratch Data logo
S21

Scratch Data

Analytics for builders. Record and query billions of datapoints with…

Secoda logo
S21

Secoda

Secoda is the AI layer for your Analytics

enterprise applications · Canada

SenpAI.GG logo
S21

SenpAI.GG

Personal gaming coach for PC gamers globally

Sensible Biotechnologies logo
S21

Sensible Biotechnologies

Unlocking the next generation of mRNA medicines

Sentiyen logo
S21

Sentiyen

Conversational AI assistants using your knowledge

Sequin logo
S21

Sequin

Sequin is building AI Voice Agents to automate collections calls for…

financial services · United States

Shape logo
S21

Shape

Get data insights without writing SQL

Shimmer logo
S21

Shimmer

1:1 ADHD coaching, 5-10X More affordable than alternatives

ShipBlu logo
S21

ShipBlu

Amazon Level Logistics for eCommerce Companies in MENA.

industrials · Egypt

Siglo logo
S21

Siglo

Home Internet for urban Latin America

SigmaOS logo
S21

SigmaOS

The new home for your internet 🏡

technology · United Kingdom

Sirka logo
S21

Sirka

Noom for Southeast Asia

Sitenna logo
S21

Sitenna

Compound B2B SaaS for modern infrastructure to deploy and manage sites

Slash logo
S21

Slash

Banking, corporate cards, stablecoin payments – available globally.

Sleek logo
S21

Sleek

Browser automation for businesses.

Slope logo
S21

Slope

The B2B Payments Platform

fintech · United States

SnapCalorie logo
S21

SnapCalorie

Single photo nutrition tracking.

health & wellness · United States

Soco logo
S21

Soco

Visual AI shopping

SolarMente logo
S21

SolarMente

Home electrification at $0 upfront cost

energy · Spain

Spark Studio logo
S21

Spark Studio

The most magical personal Voice-Led AI English Learning Buddy for Kids

education · India

Spoken logo
S21

Spoken

Never overpay online

Sproutfi logo
S21

Sproutfi

Latin Americas' first investing social network. Learn. Share. Invest.

Squire.ai logo
S21

Squire.ai

Never code alone.

Stardex logo
S21

Stardex

AI native ATS + CRM for executive search firms

Stepful logo
S21

Stepful

Online Training for Healthcare Jobs

healthcare · United States

Stipop logo
S21

Stipop

Monetization platform for character creators

technology · United States

Storylane logo
S21

Storylane

Build Interactive Product Demo in 10 mins for SaaS companies

Stownest logo
S21

Stownest

Flexible On-Demand Storage Space for Household, SMEs & Travellers.

consumer services · India

StrideQ logo
S21

StrideQ

Automated phone ordering system for restaurants

Strive Math logo
S21

Strive Math

Online Coding School for Kids 8-16

StudyStream logo
S21

StudyStream

24/7 video platform & online community for students to study together

education · United Kingdom

Sully.ai logo
S21

Sully.ai

Autonomous team of AI agents that runs the entire hospital operations

Superwall logo
S21

Superwall

Remotely configure every aspect of your mobile app's paywall

Suplias logo
S21

Suplias

We enable FMCG distributors in Africa buy inventory on credit

Swipe logo
S21

Swipe

Super AI Accountant for SMBs

fintech · India

Synder logo
S21

Synder

Easy accounting for e-commerce

TAG logo
S21

TAG

TAG is the First Digital Bank (Chime/Revolut/N26) for Pakistan

Tablevibe logo
S21

Tablevibe

All-in-one digital ordering system for restaurants

Talentdrop logo
S21

Talentdrop

Your personal hiring page.

Talus Bio logo
S21

Talus Bio

Discovering drugs that target the DNA regulome

Tarsal logo
S21

Tarsal

Data pipeline for your security data lake.

Tavus logo
S21

Tavus

Building the human layer of AI

technology · United States

Telivy logo
S21

Telivy

Automate your cyber security risk assessments

Telmai logo
S21

Telmai

Automated data observability and quality for Data Lake

technology · United States

Tenyks logo
S21

Tenyks

The World's Most Versatile Video Answering Engine

technology · United Kingdom

The Breakaway logo
S21

The Breakaway

The personal coach and companion for cyclists.

sports technology · United States

Therify logo
S21

Therify

Inclusive mental healthcare for companies

Titipku logo
S21

Titipku

Super Hyperlocal Marketplace for SMEs in Indonesia

Toku logo
S21

Toku

Account Receivables Platform for Latin American Enterprises

fintech · Chile

TrackChain logo
S21

TrackChain

AI-native logistics OS for autonomous freight execution

TransAstra Corporation logo
S21

TransAstra Corporation

Orbital logistics: Unleashing space industry, from Earth to asteroids

Truss logo
S21

Truss

Banking for construction

Tuli Health logo
S21

Tuli Health

Transforming pharmacies in the UK into diagnostic centers

Turion Space logo
S21

Turion Space

Moving Things Around in Space, Imaging Space Objects When We're Not

Union54 logo
S21

Union54

Developers of ChitChat, an integrated messaging and payments wallet…

V-Flow Medical logo
S21

V-Flow Medical

Transforming the lives of millions of women suffering from chronic…

Varos logo
S21

Varos

AI Business Analysts to gather requirements and optimize processes

VedaBio logo
S21

VedaBio

CRISPR powered Diagnostics with results in minutes.

Verano Health logo
S21

Verano Health

Nonprofit telehealth coaches for underserved Americans on Medicaid

Verde logo
S21

Verde

Digital lending platform for Brazilian farmers

Verihubs logo
S21

Verihubs

AI-powered Deepfake Detection

Vibe Kanban logo
S21

Vibe Kanban

Plan and review AI generated code

Vinco logo
S21

Vinco

Retaining employees in LatAm via education

VitalStrata logo
S21

VitalStrata

AI for risk adjustment integrity

Vogent logo
S21

Vogent

Build Voice AI Agents

Wabi logo
S21

Wabi

We are Shopify for the $15B creator economy in LATAM

WarpBuild logo
S21

WarpBuild

Accelerate software development with WarpBuild's 10x faster CI infra.

technology · United States

Warpfy logo
S21

Warpfy

Building Shein of Home: tech-driven, design-mfr Home Lifestyle Brand

Warrant logo
S21

Warrant

Authorization and access control as a service.

Waterplan logo
S21

Waterplan

Water risk mitigation for industrial sites

Whalesync logo
S21

Whalesync

Manage your website from your favorite tools like Airtable and Notion

enterprise applications · United States

Whaly logo
S21

Whaly

Whaly is building a self-service analytics platform

Writesonic logo
S21

Writesonic

Track & Boost Your Brand’s Visibility in AI Search

technology · United States

Yemaachi Biotechnology logo
S21

Yemaachi Biotechnology

Diversifying precision cancer diagnostics and treatments

healthcare · Ghana

Yummy logo
S21

Yummy

The everything app for LATAM

Zage logo
S21

Zage

Pay by bank and earn rewards

Zaz OS logo
S21

Zaz OS

Lovable for internal products

Zeit Medical logo
S21

Zeit Medical

Immediate stroke detection at home

Zen logo
S21

Zen

Posture correction software

healthcare · United States

Zensors logo
S21

Zensors

AI to understand and automates the physical world

Zoios. logo
S21

Zoios.

Help start- and scale-ups excel at People, Culture and Performance.

Zuma logo
S21

Zuma

We help businesses convert leads into sales in minutes using text

enterprise · United States

aSim logo
S21

aSim

Build and share apps with friends

fluke logo
S21

fluke

fluke is a full-digital mobile operator in Brazil

hotglue logo
S21

hotglue

Native user-facing SaaS integrations for your customers

technology · United States

idemeum logo
S21

idemeum

AI-powered Application Control

inai logo
S21

inai

Segment for global payments

fintech · India

lapzo logo
S21

lapzo

Lattice for Latam with personalized learning and development

marketfeed logo
S21

marketfeed

Helps affluent Indians invest in automated options trading strategies

fintech · India

outloud.ai logo
S21

outloud.ai

Building Gong.io for offline retail.

testRigor logo
S21

testRigor

Executable specifications in English for test automation

trii logo
S21

trii

One stop investment solution for retail investors in Latam

fintech · Colombia

Summer 2020

(76 companies)
AI.Fashion logo
S20

AI.Fashion

AI.Fashion is the AI creative suite for the fashion industry.

Afriex logo
S20

Afriex

Instant, low-fee remittances

Akiflow logo
S20

Akiflow

All your tasks and calendars into an AI-powered productivity app

technology · Italy

Altro logo
S20

Altro

Build Credit With Your Subscriptions

Aquarium Learning logo
S20

Aquarium Learning

We help ML teams improve their models by improving their datasets

technology · United States

Arist logo
S20

Arist

Deliver effective learning at scale

education · United States

Arketa logo
S20

Arketa

Everything for your fitness or wellness business.

technology · United States

Artifact logo
S20

Artifact

Personal podcasts with the people in your life

Atmos logo
S20

Atmos

The entire homebuilding process, all online

real estate technology · United States

AtoB logo
S20

AtoB

Modernizing global transportation payments.

Atomic logo
S20

Atomic

API that lets companies embed investment accounts into their services

fintech · United States

Atomized logo
S20

Atomized

Enabling teams to deploy without needing a cloud expert

Awtomic logo
S20

Awtomic

Dollar Shave Club as a platform.

BIK logo
S20

BIK

Agentic AI CRM for ecommerce

Balance logo
S20

Balance

The first digital payment experience company, built for B2B.

Bandit ML logo
S20

Bandit ML

Bandit ML builds machine learning tools for e-commerce companies.

Basedash logo
S20

Basedash

The AI-native business intelligence platform

Bento logo
S20

Bento

In product customer activation

fintech · United States

Biocogniv logo
S20

Biocogniv

healthcare · United States

Bits logo
S20

Bits

Bits is a credit card designed to help people build credit

Blissway logo
S20

Blissway

The tolling industry’s prime tech infrastructure

Blue Onion logo
S20

Blue Onion

Financial data layer for AI-powered finance and accounting

Brevy logo
S20

Brevy

Empower your customer service team through AI & automation.

technology · United States

BukuWarung logo
S20

BukuWarung

Accounting, Payments & Credit app for 60M micro-businesses in…

Byte logo
S20

Byte

On-demand food delivery from dark kitchens in Pakistan.

CapWay logo
S20

CapWay

Inclusive financial technology service provider.

financial services · United States

CarbonChain logo
S20

CarbonChain

We help companies automate the accounting of their carbon emissions

technology · United Kingdom

Charityvest logo
S20

Charityvest

A premier charitable giving account, for everyone.

Clau logo
S20

Clau

The real estate superapp for Mexico

ClearMix logo
S20

ClearMix

On-Demand, Fully-Remote Marketing and Sales Video Production Platform

Clew logo
S20

Clew

Unified file system for the cloud.

Clover logo
S20

Clover

The all-in-one notebook for creatives to brainstorm, write, and plan…

Cohere logo
S20

Cohere

Support automation that's actually intelligent

real estate · United States

Command AI logo
S20

Command AI

AI-powered user assistance platform

Conta Simples logo
S20

Conta Simples

All-in-one financial platform for latam Startups and SMBs.

fintech · Brazil

CoreCare logo
S20

CoreCare

Helping healthcare providers reduce administrative costs using AI

Cradle logo
S20

Cradle

B2B payments network in India

Current Foods logo
S20

Current Foods

Impossible foods of seafood.

Datafold logo
S20

Datafold

Automating manual and repetitive data engineering tasks with AI

Dataland logo
S20

Dataland

AI agents for customer support.

technology · United States

Daybreak Health logo
S20

Daybreak Health

The first digital mental health system for youth

healthcare · United States

Decentro logo
S20

Decentro

API Platform for Banking Integrations (Plaid for India and APAC)

fintech · India

Depict logo
S20

Depict

GPT Search & Merchandising for fashion e-commerce

consumer · Sweden

Dialect logo
S20

Dialect

Making internet experiences distributable and actionable everywhere

Draftwise logo
S20

Draftwise

Contract and negotiation AI built for lawyers

Drapr logo
S20

Drapr

Try on clothing online

Dripos logo
S20

Dripos

The only piece of software a coffee shop needs to operate.

Duckly logo
S20

Duckly

Video chat with real-time collaboration.

Dumps logo
S20

Dumps

Where friends connect through photos and chaotic messaging

Explorex logo
S20

Explorex

Ecosystem Platform for Restaurants in India

technology · India

Fancy logo
S20

Fancy

Essentials delivered in 30 minutes.

Farel logo
S20

Farel

Next-gen airline OS

Farmako Healthcare logo
S20

Farmako Healthcare

India's fastest medicine delivery in just 30 minutes

Fieldguide logo
S20

Fieldguide

Vertical AI for Audit & Advisory Firms

Fig logo
S20

Fig

Fig adds visual apps, shortcuts, and autocomplete to your terminal.

Finch logo
S20

Finch

Finch is the Employment Data Platform

fintech · United States

Finmark logo
S20

Finmark

Financial planning software for startups

Flint logo
S20

Flint

Securing Nurses for Your Future

Foreword logo
S20

Foreword

A marketplace for live, online workshops for professionals

Formal logo
S20

Formal

Take control of your data in real-time.

technology · United States

Future Fields logo
S20

Future Fields

We make unmakeable proteins with radical advanced biomanufacturing.

Gather logo
S20

Gather

Project management software for People Operations

Gilgamesh Pharmaceuticals logo
S20

Gilgamesh Pharmaceuticals

Gilgamesh Pharmaceuticals, a Clinical stage biotechnology company…

Glimpse logo
S20

Glimpse

Glimpse is the system of action for CPG retail operations

United States

HENRY logo
S20

HENRY

We train AI engineers and connect them with companies.

education · Argentina

Hellometer logo
S20

Hellometer

Making fast food faster

Hellosaurus logo
S20

Hellosaurus

Interactive video platform for kids

Heron Data logo
S20

Heron Data

We automate document-heavy workflows in financial services and beyond

Hotplate logo
S20

Hotplate

Online ordering platform for independent chefs and bakers.

Hubla logo
S20

Hubla

All-in-one platform for creators to sell courses and subscriptions

Humanloop logo
S20

Humanloop

Humanloop is the LLM evals platform for enterprises.

Hyper Online logo
S20

Hyper Online

Social avatar platform for VTubers

Hypermile logo
S20

Hypermile

Driver co-pilot to make trucking more efficient

Hypotenuse AI logo
S20

Hypotenuse AI

AI-native Operating System for Enterprise Ecommerce Companies

In Stock logo
S20

In Stock

Find any product, in stock nearby

Increase logo
S20

Increase

Enterprise-grade banking APIs

Page 21 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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