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.
Winter 2019
(49 companies)
SciTok
Platform for scientists to share their research via videos

Searchlight
Talent AI improving quality of hire
technology · United States

Seawise Capital
Trade finance company for Indian exporters

Shef
Shef is a Marketplace for Homemade Food
consumer · United States

Shiok Meats
Shiok Meats is a cell-based clean shrimp company, the first of its…

Shipper
Southeast Asia’s e-commerce logistics and enablement platform
industrials · Indonesia

Simmer
We do reviews for dishes. Our app helps users find the very best…

Skill-lync
Online engineering college for India. Learn technical skills & get…
education · India

Slapdash
Work at the speed of thought

Sorting Robotics
We create automation technology for the cannabis industry.

SpaceRyde
The Rocket Network: Sustainable & On-Demand Delivery Anywhere in Space

Spiral Genetics
Large Scale Genomic Data Mining Software

Spire Law
Tech enabled business and employment litigation law firm.

Spring in Africa
Investing in innovation

Sublime Black
Automating Cyber Security Incident Response Through Artificial…

Sunsama
Daily planner for busy professionals
technology · United States

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

Supernova
Design system platform joins developers and designers together

Switchboard
Technology for Trucking

Taali Inc
Taali is creating popcorn 2.0 from popped water lily seeds
consumer · United States

Tailor-ED
AI-powered corporate learning for accelerated employee growth & skill…
education · Israel

Tailornova/Couturme
AI for Instantly Manufacturable Fashion

Taobotics
Autonomous robots for retails.

Termius
Termius is an SSH client with team collaboration features

The Juggernaut
The global community for the South Asia-curious

Thrive Agric
ThriveAgric help Farmers in Africa access finance, insight and Markets
agriculture · Nigeria

Traverse Technologies
AI driven professional engineering firm

Trexo Robotics
Exoskeletons to help people walk, starting with children

Truora
Reliable background checks & fraud prevention tools for Latin America.

Ultralight
Universal, Pure-GPU HTML Renderer

Union Apartment
Furnished Co-living Apartments for International Students, here in…

Upsolve
Helping low-income Americans overcome debt and rebuild credit at…

Valo
Cutting edge hydrofoil systems for boatbuilders

Vectordash
Play high-end PC games on your laptop by streaming them.

Verto
Cross-Border Payments and FX Simplified

Visly
Build React components visually

Volk Wireless

Volta Labs, Inc.
Unlocking the utility of genomics for the world.

VotingWorks
Non-profit building open-source voting machines for US elections.

Wanderlog
Travel planner for researching, organizing, and mapping your trip

WeatherCheck
WeatherCheck monitors properties for hail damage so that insurance…

Windsor
AI Powered Personalized Videos

Windwalk
Windwalk is the industry leader in building, growing, and operating…

WorkClout
Safety & quality software for industrial sectors.
United States

XGenomes
XGenomes is building the sequencing technology of the future.

YourChoice Therapeutics
YourChoice therapeutics is revolutionizing the contraceptive market…

ZeroDown
Find beautiful homes

ZeroStorefront
#1 Data platform for restaurants. Acquired by Thanx

rct AI
build AI NPCs
Winter 2018
(146 companies)
Aalo
Lego-like furniture for design geeks. We create furniture that's…

Acely
Every student's AI coach for college readiness

Aerones
Robotics for wind turbine maintenance.

AesculaTech
Responsive materials, better lives.

AlgoSurg Inc
We make AI technology for Robotic and AR Surgeries

Anjuna
Anjuna enabled organizations to trust any infrastructure

ArchForm
Replacing orthodontic braces with our clear aligner and software

Aspire
All-in-one Finance OS for businesses
fintech · Singapore

Assembly
Create remarkable client experiences

Atrium
Modern law firm for startups powered by proprietary technology

Avro Life Science
Skin patches for generic drug delivery.

Beanstalk
Great tasting produce, farmed around the corner

Bear Flag Robotics
Autonomous driving technology for farm tractors.

Ben
The easiest way to learn about, buy, and store cryptocurrency.

BioRender
'Figma/Canva for scientists’

Biobot Analytics
Population health analytics powered by wastewater.
healthcare · United States

Blueberry Pediatrics
24/7 pediatric clinic in every family's living room

California Dreamin
Cannabis infused beverages

CaptivateIQ
Agile commission software to design, deploy & adapt commission plans.
technology · United States

ClearBrain
Causal Analytics for Growth Teams
business/productivity software · United States
Closer Sports
Mobile streaming platform connecting professional athletes with their…

CodeStream
CodeStream is a Developer Collaboration Platform designed to…

Cognition IP
Flat-fee patent & trademark counsel with top firm results

CoinTracker
The gold standard in cryptocurrency portfolio tracking and taxes
fintech · United States

Correlia Biosystems
Next-gen blood testing to provide 1000x more data to pharma companies

Culture Biosciences
We grow cells for biotech companies.

Curious Fictions
Patreon for professional authors.

Dataform
Manage data in Snowflake, BigQuery, and Redshift

Dear Brightly
Dear Brightly makes personalized prescription skincare products,…

Draftbit
Build mobile apps visually. Source-code included.

Edwin
Edwin is virtual English tutor - an AI-powered service for learning…

EnvKey
End-to-end encrypted configuration and secrets management

ErudiFi
Digital financial services for students in Southeast Asia

Evolve (makers of Podcast App & Rest)
Podcast App is for the curious.

Evry Health
Better health insurance for mid-size companies

FidoCure®
FidoCure® is the leader in Precision Medicine for Canine Oncology.

Flinto
Mexico's digital wallet

Fondo
Bookkeeping, tax, & tax credits on autopilot for 1,000+ startups
fintech · United States

Gainful
Personalized Performance Nutrition

Glimpse K12
Glimpse eliminates ineffective spending in schools.

Glowing.io
Unified, enterprise messaging platform for leading brands of the world

Groww
Making financial services simple, transparent and delightful.
fintech · India

Haiku
Collaboration tools for software companies

Helloverify
Helloverify is a background screening platform (Checkr for India).
Hexel
Create a cryptocurrency for your community.
Hunter2
Hunter2 trains engineering teams in application security through…

Iambiq Technologies

Jasper.ai
Jasper is a leader in creating content using Artificial Intelligence

Jido Maps
Turn your data into a deployed computer vision model

Key Values
Helping software developers find teams that share their values.

LUS Brands
Hair care products for curly hair.
Lambda Tea
We build self-serve bubble tea dispensers! :D

Lawyaw
Automating document-based workflows

Let's Do This
The online company that gets everyone offline
consumer · United Kingdom

Look After My Bills
Personal fintech - we optimise your bills, every year, automatically.

Lucy Goods, Inc
Lucy’s mission is to reduce tobacco-related harm to zero. We provide…

Macromoltek
Computational antibody design

Mayhem
Mayhem is the easiest way to play with your gaming community.

Medumo
We manage patient instructions for hospitals

Meitre
Opentable for the world's top restaurants; we help them increase…

Memora Health
Digitize and Automate Complex Care Workflows

Meson
Meson is a stablecoin swap protocol among blockchains and Layer 2s

Mighty Buildings
3D printing beautiful, high-quality, and sustainable homes.

Mind Emulation Foundation

Modern Health
A mental health benefits platform for employers.
healthcare · United States

Mojo
Mobile app for creating pro-quality social media videos

NEXGENT

Naborly
A credit bureau for the renting generation.

Necto
ISP starter kit
Nectome
Building a way to preserve long-term memories.

NewCraft
Universal API for HR & Payroll

Newfront
Modern insurance brokerage.
fintech · United States

Nutrigene
Personalized liquid supplements based your health data

Nuvocargo
Your AI partner for North America truckload freight

OSIMple
Software for inspectors to automate their paper workflow.

Observant AI
iPhone-based driver monitoring for commercial fleets.

Observe.AI
Contact center AI platform.
technology · United States

OpenSea
This isn't just a marketplace; we're shaping the future of digital…
technology · United States

Openland
Messenger for communities

Orangewood Labs
Orangewood Labs makes worlds most affordable and easiest AI robot arms
OurMenu

Ovipost
Automated insect farming

Pagedraw
Pagedraw is a platform for productionizing designs into code. Thanks…

Pelago
The world's first digital clinic for substance use management
healthcare · United States

Persephone Biosciences
We are using the gut microbiome to end cancer.

Players' Lounge
Win money betting on yourself playing AAA video games

Plexus
High-performance gloves for VR and AR

Point API
Point stores things you send over and over again and helps you re-use…

Precious
AI to curate your baby photos

Promise
Better payment systems for governments and the communities they serve.
government · United States

Proven Group
PROVEN is using AI, data and personalization to disrupt CPG

Psylaris
Psychotherapy through autonomous and personalized VR-sessions.

Pulse
We're crowdsourced Gartner so IT executives can learn directly from…

Quantstamp
Security auditing for Web3
blockchain technology · United States

Qulture.Rocks
The people, management, and culture operating system for your startup.

Replit
Collaborative in-browser IDE
developer tools · United States

Reverie Labs
Engineering next-generation, brain-penetrant cancer therapies.

Rhythmm
Read interesting conversations

Runa
Automating payroll for Latin America.

SRTX
Powering a better future for textiles.

SafetyWing
Health insurance for remote teams
fintech · United States

Secured
Tools for Sneaker, NFT & web3 investors

Sepsis Scout
Wearables and AI to predict and prevent sepsis outside the hospital

SharpestMinds
Peer-to-peer mentorships through income-share agreements.

Shogun
Shogun empowers brands to create exceptional ecommerce experience.
fintech

Shone
Shone makes existing cargo ships autonomous through retrofit.

Simetrik
No code enterprise SaaS for financial control automation.

Sixfold Bioscience
Delivering RNA therapies.

Sketchbox
Wordpress for AR & VR
technology · United States

Skip
Electric scooters for reliable last-mile transportation.
mobility · United States

Slite
Team documentation removing the pain of maintaining and finding info

Snackpass
Order ahead at restaurants and get rewards with friends.
consumer · United States

Sourcify
Sourcify helps brands manufacture products in Asia.

Spellbrush
Making Anime Real

Sqreen
Sqreen is the application security platform for the modern enterprise

Squad
Squad is an app for live communities to have shared experiences…
technology · United States

Station
Your team’s automated knowledge base

Storyline
Create Alexa Skills without coding

Substack
A place for independent writing.
media · United States

Super
Super is the first and leading Indonesian social commerce platform
consumer · Indonesia

Supermedium
VR space of immersive utilities

Swayable
Swayable predicts consumer opinion and the impact of content

Swipehouse
Meet other creators. Get daily matches. Find brand deals.

Tarjimly
Translating for Humanity

Tilt (f.k.a. Delphia)
Tilt lets anyone build an index out of any content on the web.

Tingles
Find content that helps you relax and fall asleep.

Tipe
Open-source, customizable, headless CMS

Torch
enterprise applications · United States

Tradewind BioScience
Tradewind translates scientific insight into innovative ways of…

Treasury Prime
Embedded banking software platform and marketplace

Tributi
Tax filing automation for individuals in Latam.
financial services · Colombia

Universe
Design and build any kind of website. On your iPhone or iPad.
consumer applications · United States

Vanta
Vanta—the proven leader in automated compliance helping startups…
technology · United States

Vathys
Accelerating machine learning through software

Vena Medical
Vena Medical is providing physicians with the world's smallest camera…

Veriff
AI-powered identity verification solution for fraud prevention.
technology · United States

Viaopt
Uber pool for corporate trucking fleets

Voicery
Automated voice acting and emotive speech synthesis with deep neural…

Weekend (fmr. Volley)
AI games and entertainment on TV

Worklytics
Analytics to improve how teams work and collaborate

YouTeam
We make it easy for startups to hire engineers.

ZBiotics
ZBiotics makes genetically engineered probiotics.

Zyper
Recreating social networks for brands.
technology · United Kingdom

miru
Experience any piece of furniture in AR

onederful
Dental Insurance API

tEQuitable
tEQuitable's mission is to create work culture that works for everyone
Winter 2017
(5 companies)
ACLU
Defender of rights and liberties

AON3D
Additive Manufacturing with advanced materials
industrials · Canada

Aella
Diversified credit infrastructure powering payments across Africa.
fintech · Nigeria

AlemHealth
AI Radiologist in a Box - We provide a vertically integrated AI…

Ambient.ai
AI company transforming enterprise physical security to prevent…
it & media
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.