Celebrating 20 Years of YC

A tribute to the visionaries, innovators, and game-changers who launched their journeys with Y Combinator.

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Companies Funded

Combined Valuation ($)

Meet our Founders

Paul Graham

Paul Graham

Paul Graham is the author of On Lisp (1993), ANSI Common Lisp (1995), and Hackers & Painters (2004). In 1995, he and Robert Morris started Viaweb, the first SaaS company, which in 1998 became Yahoo Store. In 2002 he discovered a simple spam filtering algorithm that inspired the current generation of filters. He has an AB from Cornell and a PhD in Computer Science from Harvard.

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Jessica Livingston

Jessica Livingston

Jessica Livingston was previously VP of marketing at investment bank Adams Harkness, where she managed an award-winning rebranding of the company. She is the author of Founders at Work (2007), a book of interviews with startup founders. She has a BA in English from Bucknell.

TwitterWebsite
Robert Tappan Morris

Robert Tappan Morris

Jessica Livingston was previously VP of marketing at investment bank Adams Harkness, where she managed an award-winning rebranding of the company. She is the author of Founders at Work (2007), a book of interviews with startup founders. She has a BA in English from Bucknell.

TwitterWebsite
Trevor Blackwell

Trevor Blackwell

Trevor Blackwell is a roboticist who in 2007 built the first dynamically balancing biped robot. He has published papers on congestion control in high speed wide area networks, signalling protocol architecture, and file system performance. He has a BEng from Carleton, and a PhD in Computer Science from Harvard.

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Our Funded Startups

Filter by Year

2005

The Beginning

Y Combinator launched in March 2005 in Boston, founded by Paul Graham, Jessica Livingston, Robert Morris, and Trevor Blackwell. Paul Graham, a successful entrepreneur who sold his company Viaweb to Yahoo for $49M, wanted to create a new model for funding early-stage startups. This revolutionary 'batch' approach would fund multiple startups with small amounts of money and mentor them intensively over three months.

Notable Companies

Reddit - Started as a simple link-sharing site, Reddit grew to become 'the front page of the internet' with over 500M monthly active users. The platform was acquired by Condé Nast in 2006 for around $10M and later spun out as an independent company, now valued at over $10B.

Key Events

  • •First YC batch in Boston with $6,000 investment per company - a tiny amount by today's standards that showed YC's focus on young founders
  • •Initial investment model established, trading small amounts of money for company equity - this would become the template for modern accelerators
Reddit
Reddit
Top Company
Kiko
Kiko
Clickfacts
Clickfacts
TextPayMe
TextPayMe
Loopt
Loopt
Infogami
Infogami
Memamp
Memamp
Simmery
Simmery

2006

Early Growth

YC started gaining traction as their model proved successful. The program began attracting more ambitious founders who saw the value in YC's mentorship and network, beyond just the small investment amount.

Notable Companies

OMGPop - A gaming company that created Draw Something, which became a viral hit with over 50M downloads and was acquired by Zynga for $180M in 2012Scribd - Pioneered the 'Netflix for books' model, growing to over 100M monthly readers and becoming one of the world's largest digital libraries with a $1B+ valuation

Key Events

  • •Expanded mentor network to include successful tech founders and investors, providing invaluable guidance to new startups
  • •Refined startup selection process, focusing on technical founders who could build products quickly
OMGPop
OMGPop
Top Company
Scribd
Scribd
Top Company
Xobni
Xobni
Jumpchat
Jumpchat
Likebetter
Likebetter
Zanbazaar
Zanbazaar
Pollground
Pollground
Shoutfit
Shoutfit
Talkito
Talkito
Thinkature
Thinkature
Jamglue
Jamglue
Wufoo
Wufoo
Project Wedding
Project Wedding
Clustrix
Clustrix
Inkling
Inkling
Audiobeta
Audiobeta
Flagr
Flagr
Snipshot
Snipshot

2007

Breakthrough Year

A landmark year that produced two of YC's most successful early companies. The success of this batch helped establish YC's reputation as the world's premier startup accelerator.

Notable Companies

Dropbox - Founded by MIT graduate Drew Houston, Dropbox revolutionized file sharing and cloud storage. The company went public in 2018 and now serves over 700 million users with a $7B+ market capTwitch (Justin.tv) - Started as a 24/7 livestream of founder Justin Kan's life, pivoted to gaming, and was acquired by Amazon for $970M in 2014. Now the world's leading game streaming platform with 140M+ monthly active users

Key Events

  • •Dropbox demonstrated YC's ability to attract top technical talent - Drew Houston was a MIT graduate who turned down Microsoft
  • •Justin.tv (later Twitch) showed YC's willingness to fund experimental ideas that could evolve into huge opportunities
Dropbox
Dropbox
Top Company
Twitch
Twitch
Top Company
Weebly
Weebly
Top Company
Blue Frog Gaming
Blue Frog Gaming
Anywhere.FM
Anywhere.FM
Appjet
Appjet
Clickpass
Clickpass
ZumoDrive
ZumoDrive
Disqus
Disqus
Songkick
Songkick
Biographicon
Biographicon
Eivod
Eivod
Fuzzwich
Fuzzwich
Meetyu
Meetyu
Reble
Reble
SocialPicks
SocialPicks
ContestMachine
ContestMachine
Splashup
Splashup
iJigg/Top440
iJigg/Top440
Hello Chair
Hello Chair
Bountii
Bountii
Buxfer
Buxfer
Virtualmin
Virtualmin
Heysan
Heysan
Auctomatic
Auctomatic
Zenter
Zenter
Octopart
Octopart
Socialmoth
Socialmoth
View3
View3
Whitenoise
Whitenoise
Page 1 of 2

2008

Platform Innovation

Notable companies like Machine Zone and Heroku joined YC, with both going on to revolutionize their respective industries in gaming and cloud development.

Notable Companies

Machine Zone - Built mobile games like Game of War and Mobile Strike that generated over $1B in revenue. Reached a peak valuation of $5B+ and spent millions on Super Bowl ads featuring celebritiesHeroku - Pioneered Platform-as-a-Service (PaaS) making deployment simple for developers. Acquired by Salesforce for $212M in 2010 and now hosts millions of applications

Key Events

  • •Focus on developer tools and platforms that would shape the future of software development
  • •Expansion of YC network into gaming and enterprise software
Machine Zone
Machine Zone
Top Company
Heroku
Heroku
Top Company
Poll Everywhere
Poll Everywhere
BackType
BackType
JustSpotted
JustSpotted
Cloudant
Cloudant
Posterous
Posterous
Slinkset
Slinkset
Treehouse
Treehouse
PlayReader
PlayReader
People & Pages
People & Pages
Popcuts
Popcuts
Snipd
Snipd
Ticket Stumbler
Ticket Stumbler
Claimspotting
Claimspotting
Team Apart
Team Apart
Youlicit
Youlicit
Precognate
Precognate
Picwing
Picwing
CO2Stats
CO2Stats
Anyvite
Anyvite
Frogmetrics
Frogmetrics
Job Alchemist
Job Alchemist
OhLife
OhLife
Ninite
Ninite
RescueTime
RescueTime
280 North
280 North
Omnisio
Omnisio
A Thinking Ape
A Thinking Ape
BitSample
BitSample
Page 1 of 2

2009

Unicorn Year

2009 marked YC's most successful batch to date, producing two companies that would become among the most valuable private companies in the world. This year cemented YC's position as the top startup program globally.

Notable Companies

Airbnb - Founded during the 2008 recession, Airbnb revolutionized travel accommodation. Initially rejected by investors as 'too crazy', it's now worth over $90B and has served over 1B guests worldwideStripe - Founded by Irish brothers Patrick and John Collison, Stripe simplified online payments for businesses. Now processing hundreds of billions in payments annually, valued at $70B+ and used by millions of businesses globally

Key Events

  • •Airbnb showed YC's ability to spot non-obvious opportunities - most investors thought letting strangers stay in your home was crazy
  • •Stripe demonstrated YC's global reach, as founders Patrick and John Collison moved from Ireland to join YC
WePay
WePay
Top Company
Mixpanel
Mixpanel
Top Company
Stripe
Stripe
Top Company
Airbnb
Airbnb
Top Company
Lingt
Lingt
RentHop
RentHop
Olark
Olark
Directed Edge
Directed Edge
Listia
Listia
Flightcaster
Flightcaster
GraffitiGeo
GraffitiGeo
Lockitron
Lockitron
RethinkDB
RethinkDB
Bump
Bump
DailyBooth
DailyBooth
Instantq
Instantq
Wakemate
Wakemate
Stackq
Stackq
AdThrow
AdThrow
RoboHR
RoboHR
NudgePad
NudgePad
Plurchase
Plurchase
Fanchatter
Fanchatter
SSovereign
SSovereign
CarWoo
CarWoo
Jobspice
Jobspice
HighlightCam
HighlightCam
Volantio
Volantio
Wattvision
Wattvision
Cloudkick
Cloudkick
Page 1 of 2

2010

Enterprise Focus

YC expanded into enterprise software with companies that would transform how businesses handle operations and emergencies.

Notable Companies

PagerDuty - Revolutionized IT incident response, growing from a simple alerting system to an operations platform used by over 19,000 organizations. Went public in 2019 and reached a market cap of over $2B

Key Events

  • •Increased focus on B2B startups, showing YC's expansion beyond consumer applications
  • •Growth of enterprise solutions targeting Fortune 500 companies
PagerDuty
PagerDuty
Top Company
Presto
Presto
Top Company
FutureAdvisor
FutureAdvisor
Top Company
Optimizely
Optimizely
Top Company
WorkFlowy
WorkFlowy
inDinero
inDinero
Docker
Docker
AnyList
AnyList
DemandSphere
DemandSphere
Recurse Center
Recurse Center
AdGrok
AdGrok
Whereoscope
Whereoscope
Tapzilla
Tapzilla
Fridge
Fridge
Fanvibe
Fanvibe
Leftronic
Leftronic
GazeHawk
GazeHawk
1000Memories
1000Memories
Homejoy
Homejoy
PadMapper
PadMapper
AeroFS
AeroFS
Simperium
Simperium
Rapportive
Rapportive
Hipmunk
Hipmunk
Chartio
Chartio
Koduco
Koduco
Pribbit
Pribbit
MessageParty
MessageParty
Ready For Zero
Ready For Zero
Post.fm
Post.fm
Page 1 of 3

2011

Diversification

YC companies began targeting various sectors, from education to e-commerce, showing the accelerator's ability to succeed across industries.

Notable Companies

Codecademy - Made programming education accessible to everyone, reaching over 50M learners worldwide. Acquired by Skillsoft for $525M in 2022GOAT Group - Built the world's largest marketplace for authentic sneakers, reaching a $3.7B valuation with over 30M users across 170 countries

Key Events

  • •Expansion into education technology with Codecademy's innovative learn-to-code platform
  • •Growth in e-commerce platforms with GOAT's authentication-focused marketplace
Segment
Segment
Top Company
Codecademy
Codecademy
Top Company
Fivestars
Fivestars
Top Company
GOAT Group
GOAT Group
Top Company
HelloSign
HelloSign
Top Company
DrChrono
DrChrono
Top Company
GoCardless
GoCardless
Clerky
Clerky
AgileMD
AgileMD
Quartzy
Quartzy
Streak
Streak
OneSignal
OneSignal
HackerRank
HackerRank
Apollo
Apollo
Vidyard
Vidyard
imgix
imgix
Videopixie
Videopixie
MixRank
MixRank
LeadGenius
LeadGenius
Sift
Sift
Pagelever
Pagelever
Firebase
Firebase
Realm
Realm
Citus Data
Citus Data
Cryptoseal
Cryptoseal
Science Exchange
Science Exchange
Debteye
Debteye
Aisle50
Aisle50
Genius
Genius
Stypi
Stypi
Page 1 of 4

2012

Financial Innovation

2012 was a pivotal year where YC companies began tackling complex regulated industries like finance and grocery delivery. This batch showed that startups could disrupt even the most established sectors.

Notable Companies

Coinbase - Built the most trusted cryptocurrency exchange in the US, now public with a $60B+ market cap and over 100M verified users. Made crypto accessible to mainstream usersInstacart - Transformed grocery delivery from a luxury to an everyday service. Reached a $39B valuation and became essential during the COVID-19 pandemic, serving millions of householdsZapier - Democratized automation for non-technical users, allowing anyone to connect web apps without coding. Now valued at $5B+ with millions of users worldwide

Key Events

  • •Cryptocurrency innovation with Coinbase - YC bet early on crypto when most considered it too risky
  • •Revolution in grocery delivery with Instacart - showed startups could transform traditional retail industries
Coinbase
Coinbase
Top Company
Instacart
Instacart
Top Company
Benchling
Benchling
Top Company
Lever
Lever
Top Company
Clever
Clever
Top Company
SmartAsset
SmartAsset
Top Company
Zapier
Zapier
Top Company
Amplitude
Amplitude
Top Company
Matterport
Matterport
Top Company
PlanGrid
PlanGrid
Top Company
Sendwave
Sendwave
Top Company
Gusto
Gusto
Top Company
Wave
Wave
Top Company
9gag
9gag
Svbtle
Svbtle
Plivo
Plivo
Double Robotics
Double Robotics
Vastrm
Vastrm
Flightfox
Flightfox
BackerKit
BackerKit
Submittable
Submittable
NewsBlur
NewsBlur
OctaveWealth
OctaveWealth
Upwave
Upwave
Eligible
Eligible
FundersClub
FundersClub
Zentail
Zentail
Mattermost
Mattermost
HealthSherpa
HealthSherpa
Human Dx
Human Dx
Page 1 of 8

2013

Consumer Tech Boom

A pivotal year that produced companies transforming daily consumer experiences in food delivery and web development.

Notable Companies

DoorDash - Grew from delivering food in Palo Alto to America's largest food delivery platform with 32M monthly active users. Went public in 2020 at a $72B valuation and processes over 2B orders annuallyWebflow - Revolutionized no-code web development, reaching a $4B valuation with over 3.5M users and powering websites for major brands like Dell and PwC

Key Events

  • •Innovation in food delivery services with DoorDash capturing 65% of the US market
  • •No-code development platforms emerge, making web development accessible to non-programmers
DoorDash
DoorDash
Top Company
CoreOS
CoreOS
Top Company
Webflow
Webflow
Top Company
Heap
Heap
Top Company
Fivetran
Fivetran
Top Company
North
North
Top Company
Casetext
Casetext
True Link
True Link
Reebee
Reebee
Lob
Lob
Panorama Education
Panorama Education
Cratejoy
Cratejoy
Estimote, Inc.
Estimote, Inc.
EasyPost
EasyPost
Asseta
Asseta
7cups
7cups
Echo Locker
Echo Locker
Weilos
Weilos
Datarank
Datarank
Lumoid
Lumoid
StatusPage
StatusPage
Bop.fm
Bop.fm
Arcus
Arcus
RealCrowd
RealCrowd
Senic
Senic
Layer By Layer
Layer By Layer
SpoonRocket
SpoonRocket
SimpleLegal
SimpleLegal
Hackermeter
Hackermeter
BloomThat
BloomThat
Page 1 of 4

2014

Deep Tech Year

YC expanded beyond software into cutting-edge technology areas like biotech and autonomous vehicles. This marked a major shift in YC's scope and ambition.

Notable Companies

Ginkgo Bioworks - Pioneered synthetic biology at scale, engineering microbes for various industries. Went public at $15B valuation and is revolutionizing how we make everything from food to pharmaceuticalsCruise - Developed self-driving technology that attracted a $1B acquisition by GM in 2016. Now valued at $30B+ and testing autonomous taxis in multiple cities

Key Events

  • •First biotech company (Ginkgo Bioworks) marked YC's expansion into hard science startups
  • •Entry into autonomous vehicles with Cruise showed YC's ability to evaluate complex technical innovations
Ginkgo Bioworks
Ginkgo Bioworks
Top Company
Rigetti Computing
Rigetti Computing
Top Company
Oklo
Oklo
Top Company
Checkr
Checkr
Top Company
Cognito
Cognito
Top Company
ShipBob
ShipBob
Top Company
Weave
Weave
Top Company
Algolia
Algolia
Top Company
Bellabeat
Bellabeat
Top Company
Cruise
Cruise
Top Company
Flexport
Flexport
Top Company
Bayes Impact
Bayes Impact
Helion Energy
Helion Energy
Front
Front
Roomstorm
Roomstorm
Hive
Hive
Tenjin
Tenjin
SpotAngels
SpotAngels
UserGems
UserGems
SFOX
SFOX
PicnicHealth
PicnicHealth
Permutive
Permutive
Hiro Systems
Hiro Systems
Alchemy
Alchemy
MTailor
MTailor
MetricWire
MetricWire
Protocol Labs
Protocol Labs
Greentoe
Greentoe
Hyperpad
Hyperpad
Flaviar
Flaviar
Page 1 of 6

2015

Developer Tools Era

YC funded companies making software development and financial services more accessible globally.

Notable Companies

GitLab - Built a complete DevOps platform used by over 30M developers worldwide. Went public in 2021 at an $11B valuation and is used by 50% of all software developersRazorpay - Transformed online payments in India, processing payments for 8M+ businesses. Reached a $7.5B valuation and processes $80B+ in annual payment volume

Key Events

  • •Growth in developer tools with GitLab's all-in-one DevOps platform
  • •International expansion with Razorpay becoming India's leading payment gateway
GitLab
GitLab
Top Company
Notable Labs
Notable Labs
Top Company
EquipmentShare
EquipmentShare
Top Company
GrubMarket
GrubMarket
Top Company
Razorpay
Razorpay
Top Company
Go1
Go1
Top Company
OpenInvest
OpenInvest
Top Company
Scentbird
Scentbird
Top Company
Lucira Health
Lucira Health
Shasqi
Shasqi
Mashgin
Mashgin
NimbleRx
NimbleRx
Replika
Replika
Tara AI
Tara AI
Flip
Flip
X-Zell
X-Zell
Transcriptic
Transcriptic
Zenflow
Zenflow
Tab
Tab
Priime
Priime
Meadow
Meadow
Level Frames
Level Frames
Industrial Microbes
Industrial Microbes
Giveffect
Giveffect
eBrandvalue
eBrandvalue
Quantierra
Quantierra
Cleanly
Cleanly
Resolve
Resolve
Makrwatch
Makrwatch
TeamNote
TeamNote
Page 1 of 8

2016

Global Expansion

YC increasingly funded international startups, showing its growing influence beyond Silicon Valley.

Notable Companies

Rappi - Became Latin America's super-app, offering everything from food delivery to financial services. Reached a $5.25B valuation with operations in 9 countries and over 100M app downloadsMeesho - Pioneered social commerce in India, enabling 17M+ entrepreneurs (mostly women) to start online businesses. Reached a $4.9B valuation with over 127M users

Key Events

  • •Major international expansion with successful companies across Latin America and Asia
  • •Focus on emerging markets and innovative business models for developing economies
Truebill
Truebill
Top Company
Caper
Caper
Top Company
NURX
NURX
Top Company
Paystack
Paystack
Top Company
GitPrime
GitPrime
Top Company
Podium
Podium
Top Company
Rappi
Rappi
Top Company
Bird
Bird
Top Company
The Athletic
The Athletic
Top Company
Meesho
Meesho
Top Company
Proxy
Proxy
Top Company
Scale AI
Scale AI
Top Company
Embark Trucks
Embark Trucks
Focal Systems
Focal Systems
Mio
Mio
Daily
Daily
Petcube
Petcube
Outschool
Outschool
Mason
Mason
MagicBus
MagicBus
Tovala
Tovala
iSono Health
iSono Health
GetAccept
GetAccept
Chatfuel
Chatfuel
Yardbook
Yardbook
Stealth Worker
Stealth Worker
Deepgram
Deepgram
SOUNDBOKS
SOUNDBOKS
Lattice
Lattice
Mux
Mux
Page 1 of 8

2017

Future of Work

Companies from this year focused on modernizing business operations and financial services.

Notable Companies

Brex - Reinvented corporate credit cards and expense management, reaching a $12.3B valuation. Serves 10,000+ companies and has issued hundreds of thousands of corporate cardsRippling - Unified employee management platform valued at $11.25B. Processes over $1B in annual payroll and serves 10,000+ companies

Key Events

  • •Innovation in business banking with Brex's corporate card revolution
  • •Employee management solutions with Rippling's all-in-one HR platform
Flock Safety
Flock Safety
Top Company
Modern Fertility
Modern Fertility
Top Company
Brex
Brex
Top Company
Clipboard Health
Clipboard Health
Top Company
Faire
Faire
Top Company
Rippling
Rippling
Top Company
Cashfree Payments
Cashfree Payments
Candidate.ly
Candidate.ly
FollowUpThen
FollowUpThen
Thematic
Thematic
10 By 10
10 By 10
Forever Labs
Forever Labs
Gem
Gem
Just Appraised
Just Appraised
Routable
Routable
Goodcover
Goodcover
AssemblyAI
AssemblyAI
Zendar
Zendar
Officely
Officely
May Mobility
May Mobility
Muzz
Muzz
OneLocal
OneLocal
Sourceress
Sourceress
Oncobox
Oncobox
Tesseract
Tesseract
D-ID
D-ID
Skyscrape
Skyscrape
Flowspace
Flowspace
Piggy
Piggy
Airthium
Airthium
Page 1 of 9

2018

Space Age

YC ventured into space technology while continuing to back innovative fintech solutions.

Notable Companies

Momentus - Developed in-space transportation technology and went public via SPAC at $1.2B valuation. Has contracts with NASA and major satellite companiesGroww - Democratized investing in India, growing to 30M+ users and a $3B valuation. Processes millions of trades monthly and manages over $30B in assets

Key Events

  • •Entry into space technology with Momentus's innovative propulsion systems
  • •Growth in international fintech with Groww's investment platform
Sqreen
Sqreen
Top Company
Bear Flag Robotics
Bear Flag Robotics
Top Company
Groww
Groww
Top Company
Newfront
Newfront
Top Company
Momentus
Momentus
Top Company
Honeylove
Honeylove
Top Company
Snackpass
Snackpass
Replit
Replit
Swayable
Swayable
FidoCure®
FidoCure®
Veriff
Veriff
Aerones
Aerones
Super
Super
Helloverify
Helloverify
Runa
Runa
ErudiFi
ErudiFi
CaptivateIQ
CaptivateIQ
Vena Medical
Vena Medical
Mind Emulation Foundation
Mind Emulation Foundation
Anjuna
Anjuna
Tarjimly
Tarjimly
Callisto
Callisto
Observe.AI
Observe.AI
Culture Biosciences
Culture Biosciences
ZBiotics
ZBiotics
ArchForm
ArchForm
OpenSea
OpenSea
AlgoSurg Inc
AlgoSurg Inc
Orangewood Labs
Orangewood Labs
Mojo
Mojo
Page 1 of 10

2019

Remote Revolution

YC adapted to remote operations and funded companies focused on the future of work, presciently before the COVID-19 pandemic would make remote work mainstream.

Notable Companies

Deel - Pioneered global payroll and compliance for remote teams. Reached a $12B valuation in just 4 years, processing payroll for thousands of companies across 150+ countries and enabling the remote work revolution

Key Events

  • •Shift to remote operations, making YC more accessible to international founders
  • •Focus on remote work solutions, anticipating the global shift to distributed teams
Deel
Deel
Top Company
Nowports
Nowports
Top Company
Odeko
Odeko
Top Company
JuziBot
JuziBot
Shef
Shef
Schoolable
Schoolable
Shipper
Shipper
Buy Me a Coffee
Buy Me a Coffee
Eclipse Foods
Eclipse Foods
Memfault
Memfault
YourChoice Therapeutics
YourChoice Therapeutics
Taali Inc
Taali Inc
NaturAll Club
NaturAll Club
Atlas
Atlas
rct AI
rct AI
Numero
Numero
Prometheus
Prometheus
1910 Genetics
1910 Genetics
OutRival, Inc.
OutRival, Inc.
Truora
Truora
Withfriends
Withfriends
Cosmic
Cosmic
FIRST
FIRST
Verto
Verto
Latchel
Latchel
Inito
Inito
Globe
Globe
VotingWorks
VotingWorks
Mars Auto
Mars Auto
Dockup
Dockup
Page 1 of 13

2020

Pandemic Innovation

During the global pandemic, YC went fully remote and funded companies that thrived in the new normal.

Notable Companies

Whatnot - Created a live shopping platform for collectibles that reached a $3.7B valuation in just three years. Grew to over 100M monthly viewers and processes billions in annual GMV

Key Events

  • •First fully remote batch with over 250 companies
  • •Adaptation to pandemic challenges with focus on remote-first businesses
Whatnot
Whatnot
Top Company
Pardes Biosciences
Pardes Biosciences
Top Company
Jet Admin
Jet Admin
Ochre Bio
Ochre Bio
Ansa Biotechnologies
Ansa Biotechnologies
Yassir
Yassir
Jenfi
Jenfi
Legionfarm
Legionfarm
Menten AI
Menten AI
Belvo
Belvo
Equator Therapeutics
Equator Therapeutics
Tasker AI
Tasker AI
Gas Pos
Gas Pos
Humanly
Humanly
Prelay
Prelay
Workpay
Workpay
Airbyte
Airbyte
Tambua Health
Tambua Health
Living Carbon
Living Carbon
SEND
SEND
99minutos
99minutos
Atmo
Atmo
borong
borong
Recall.ai
Recall.ai
Healthlane
Healthlane
Stable
Stable
Sakneen
Sakneen
GiveAway
GiveAway
GuruHotel
GuruHotel
Nomic Bio
Nomic Bio
Page 1 of 15

2021

New Frontiers

YC funded companies tackling ambitious challenges in quick commerce and clean energy.

Notable Companies

Zepto - Pioneered 10-minute grocery delivery in India, reaching a $1.4B valuation in just 17 months. Processes millions of orders monthly across major Indian citiesMoxion Power Co. - Developed mobile electric generators, reaching a $1.5B valuation. Partnered with major construction companies and entertainment events to replace diesel generators

Key Events

  • •Innovation in quick commerce with Zepto's rapid growth
  • •Focus on sustainable technology with Moxion's clean energy solutions
Moxion Power Co.
Moxion Power Co.
Top Company
Zepto
Zepto
Top Company
Careerist
Careerist
JABU
JABU
Revolve Surgical
Revolve Surgical
Liv Labs
Liv Labs
Mecho Autotech
Mecho Autotech
Sully.ai
Sully.ai
Beau
Beau
Toku
Toku
Exa
Exa
Safer Management
Safer Management
Chipax
Chipax
Amenli
Amenli
Pide Directo
Pide Directo
Lightly
Lightly
Nash
Nash
Equipt Health
Equipt Health
Payflow
Payflow
Charge Robotics
Charge Robotics
Ahazou
Ahazou
Titipku
Titipku
HEO Robotics
HEO Robotics
Turion Space
Turion Space
Stepful
Stepful
Synder
Synder
Café
Café
Datlo
Datlo
FirstIgnite
FirstIgnite
Aviator
Aviator
Page 1 of 25

2022

AI Revolution

YC increased focus on artificial intelligence and machine learning startups.

Key Events

  • •Emphasis on AI/ML startups
  • •Continued remote operations
BBy
BBy
WhiteLab Genomics
WhiteLab Genomics
TradeX
TradeX
Massdriver
Massdriver
Reality Defender
Reality Defender
Lizza
Lizza
Mono
Mono
CrediBook
CrediBook
Remi
Remi
Fresh Factory
Fresh Factory
Onboard.io
Onboard.io
Seis
Seis
Jutsoo
Jutsoo
Eventual
Eventual
AiSupervision
AiSupervision
Phoenix Hydrogen
Phoenix Hydrogen
Finnix
Finnix
Alima
Alima
Karate Labs
Karate Labs
HippoBuild
HippoBuild
Pantore Pay
Pantore Pay
beU delivery
beU delivery
Powerdocs
Powerdocs
Cofactr
Cofactr
EasyCode
EasyCode
Revoy
Revoy
KorrAI
KorrAI
Pina Earth
Pina Earth
Beyond Aero
Beyond Aero
GovDash
GovDash
Page 1 of 22

2023

Record Breaking

Under the leadership of Garry Tan (himself a YC alum from 2008), YC reached unprecedented scale. Garry, who previously co-founded Initialized Capital and backed successes like Coinbase and Instacart, brought a founder-first mentality to leading YC.

Key Events

  • •Milestone of $600B+ combined valuation across all YC companies, showing the accelerator's massive impact on the tech industry
  • •Over 5,000 companies funded since inception, making YC the world's most active early-stage investor
Pando Bioscience
Pando Bioscience
Metal
Metal
Vaero
Vaero
Yuma AI
Yuma AI
Pierre
Pierre
moonrepo
moonrepo
Automat
Automat
SpecCheck
SpecCheck
Speedy Labs
Speedy Labs
Finta
Finta
LiteLLM
LiteLLM
Theya
Theya
Fetchr
Fetchr
Warp
Warp
Adri AI
Adri AI
Vendora
Vendora
Lightski
Lightski
Type
Type
Meru
Meru
Persana AI
Persana AI
Kyber
Kyber
Escape
Escape
Keeling Labs
Keeling Labs
Modulari-T
Modulari-T
Koala Ops
Koala Ops
Metal
Metal
Texel.ai
Texel.ai
Vector
Vector
Pier
Pier
Verata
Verata
Page 1 of 17

2024

Current Impact

YC companies collectively employ over 80,000 people and continue to shape the future of technology and business.

Key Events

  • •80,000+ people employed by YC companies
  • •Continued innovation across sectors
Outerport
Outerport
DreamRP
DreamRP
Melty
Melty
Syntra
Syntra
PathPilot
PathPilot
Bits to Atoms
Bits to Atoms
Kairo Health
Kairo Health
Midship
Midship
SimCare AI
SimCare AI
Merlin AI
Merlin AI
Freestyle
Freestyle
Arva AI
Arva AI
Affil.ai
Affil.ai
OrgOrg
OrgOrg
Patched
Patched
Village Labs
Village Labs
Mica AI
Mica AI
Formula Insight
Formula Insight
Overlap
Overlap
Capitol AI
Capitol AI
General Analysis
General Analysis
Void
Void
Anglera
Anglera
XTraffic
XTraffic
Felafax
Felafax
Henry
Henry
Hey Revia
Hey Revia
Ficra
Ficra
RowBoat Labs
RowBoat Labs
Pipeshift
Pipeshift
Page 1 of 21

2025

Next Generation Innovation

Under Garry Tan's leadership, YC has evolved its model to focus on AI, climate tech, and biotech while maintaining its core mission of empowering founders. The accelerator increased its standard deal to $500,000 and expanded its reach to more international markets.

Notable Companies

OpenAI - While not a YC company, YC's S24 batch saw a record number of AI companies (125+) building on top of OpenAI and other foundation models, with valuations ranging from $20M to $100M+Notable Sectors - YC's latest batches are heavily focused on AI (40% of funded startups), Climate Tech (15%), and Healthcare/Biotech (10%), with average seed valuations of $15M+

Key Events

  • •Launch of YC Bio track with increased investment for biotech startups ($500K-$1M)
  • •Introduction of specialized AI infrastructure and compute credits worth $500K+ for AI/ML startups
  • •Enhanced focus on climate tech with dedicated mentorship from successful climate founders
  • •Expansion of YC's presence in emerging markets with local partnerships in Africa, Latin America, and Southeast Asia
Red Barn Robotics
Red Barn Robotics
Mentra
Mentra
BlindPay
BlindPay
Vantel
Vantel
Fira
Fira
assistant-ui
assistant-ui
Artifact
Artifact
Axal
Axal
Dexterity
Dexterity
TrainLoop
TrainLoop
Tally
Tally
SAMMY Labs
SAMMY Labs
Instinct
Instinct
Mercura
Mercura
emojis.com
emojis.com
Cedar
Cedar
Browser Use
Browser Use
TamLabs
TamLabs
Ergo
Ergo
CopyCat
CopyCat
Paratus Health
Paratus Health
Pig
Pig
Bluebook
Bluebook
TensorPool
TensorPool
Opine
Opine
Dalus
Dalus
Roark
Roark
Rebolt
Rebolt
Spott
Spott
Woz
Woz
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