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Y Combinator

Y Combinator

Y Combinator (also known as YC) is a US based seed accelerator, which was started in March 2005.

Y Combinator was started in 2005 by Paul Graham, Jessica Livingston, Trevor Blackwell and Robert Tappan Morris.



Y Combinator pioneered a new model for funding startups. Their major innovations include funding companies in batches, giving standardized terms, and having weekly dinners that culminate in a demo day to a group of investors. The firm was originally funding startups in Cambridge, MA for their summer batch before moving both summer and winter batches to Mountain View, CA.



Y Combinator’s motto is "Make Something People Want". The program aims to focus the founders on further developing their product, team, and market, as well as refining their business model, achieving product/market fit, and scaling the startup into a high growth business.

 

The program culminates at Demo Day. An event where startups present their business to a selected audience of investors. As of 2016, Y Combinator had invested in ~940 companies including Dropbox, Airbnb, Coinbase, Stripe, Reddit, Zenefits, BuildZoom, Instacart, Twitch.tv, Machine Zone, Weebly, Paribus, and Chinese startup Raven Tech. Non-profit organizations can also participate in the main YC program.

 

Y Combinator also operates Hacker News, a social link sharing site where users can submit and share news. The front page consists of 30 links at a time, sorted via an algorithm that takes into account upvotes from the community. According to SimilarWeb, the site receives over 20 million visits per month.

Portfolio companies

Company
Cohort
Founders

10 By 10

YC S17



YC S10



20n

YC W15



280 North

YC W08



42

YC W14



42floors

YC W12



YC W10



6sense

YC W13



YC S13



YC S17



80000 Hours

YC S15



9GAG

YC S12



YC W08



Abacus

YC W14



YC W16



YC W16



Acunote

YC W11



AdGrok

YC S10



YC S12



AdThrow

YC S09



Advano

YC S17



YC W17



AeroFS

YC S10



Aerones

YC W18



YC W18





Timeline

September 28, 2018

New Standard Deal - post-money SAFE

Y Combinator announced the change to the standard investment deal. YC increased their investment from $120K to $150K. The $150K investment for 7% will be made on a post-money cap SAFE (Simple Agreement for Future Equity).

April 22, 2014

Board of Overseers announced

Included are Brian Chesky, Adora Cheung, John Collison, Patrick Collison, Drew Houston, Jessica Livingston, David Rusenko, Emmett Shear, and Sam Altman. All board members are either former YC graduates or founders.

April 22, 2014

The New Deal

Sam Altman announces a new standard YC investment of $120k for 7% equity in the company. This replaced the previous standard of $97k ($17K for 7% along with an $80k safe note converted at next raise.

February 21, 2014

Sam Altman announced as next president of Y Combinator

Taking over for Paul Graham, who had lead Y Combinator for nine years, Sam Altman is announced as the next president of Y combinator.

September 1, 2010

Alexis Ohanian joins

Previously cofounder of Reddit, Alexis Ohanian joins Y Combinator as a partner and ambassador to the East.

March 16, 2009

Sequoia Capital leads $2m investment in Y Combinator managed fund

Sequoia Capital and angel investors Ron Conway, Paul Buchheit, and Aydin Senkut invest in a YC managed fund intended to increase the startups YC invests in.

January 1, 2009

Y Combinator moves to Silicon Valley year round

Previously, Y combinator had alternated between Cambridge, MA and Silicon Valley.

April 11, 2005

"Make Something People Want" motto adopted

The phrase described in Paul Graham's Be Good post is still used as the Y combinator motto.

March 11, 2005

Founded

Founded March 11, 2005, in Cambridge, MA by Paul Graham, Jessica Livingston, Robert Morris and Trevor Blackwell.

Associated investment funds

Funded Companies

383 Results
Company
Company
Description
Description
Website
Website
Industry
Industry
Location
Location
Funding rounds
Funding rounds
Momentus is a YC Summer 2018 batch company developing the in-space rockets powered by water plasma engines and based in Santa Clara, CA
Dropbox is a file sharing and productivity startup created by Drew Houston and Arash Ferdowsi in 2007.
A platform that enables users to search for building contractors.
A software company providing cloud-based employee management solutions. It combines human resources, information technology, and operations. It was founded in 2016 and has locations in San Francisco, California and Bangalore, India.
-
Fivetran is a California based data software company that helps analysts use cloud data warehouses to store and access their data.
PlanGrid is a company providing a cloud-based construction document collaboration platform. It allows contractors and architects to share from their mobile devices and desktops project plans, markups, photos, specifications and reports. It participated in the W12 cohort of Y Combinator.
Asseta is a company providing an online marketplace for used capital equipment and parts.
Coinbase is a digital asset exchange company headquartered in San Francisco, California. It operates exchanges of Bitcoin, Bitcoin Cash, Ethereum, and Litecoin.
LendUp is a company building credit products that cater people with low credit or volatile income. It participated in the W12 cohort of Y Combinator.
-
Meldium is a software company providing a dashboard that connects and manages accounts and passwords for cloud apps for teams and companies.
CSPA (Computer Science Proficiency Assessment) is a company providing standardized assessment for software engineers. It is located in San Francisco, California and was founded in 2017.
Lob is a company developing and building APIs for automating mail and customer communications with print media. It participated in the S13 cohort of Y Combinator.
An insurance technology company providing a platform that allows clients to estimate their real out-of-pocket costs when purchasing health insurance.
SoundFocus is a company developing and building a hardware product that processes and tunes audio based on hearing pattern and compensates to sound frequencies users do not hear well. It is available for iPhone or iPod Touch users.
Plivo is a cloud-based Communications platform as a service (CPaaS) company headquartered in San Francisco, California. The company allows software developers to integrate phone calls, text messages, and other communication functions into their applications using its web service APIs.
GoCardless is a payments company that developed global payments network based on the bank to bank payment systems. It participated in the S11 cohort of Y Combinator

People

Name
Role
LinkedIn

Aaron Harris

Partner



Adora Cheung

Partner



Amy Buechler

Employee



Brad Lightcap

Employee



Brett Gibson

Employee



Craig Cannon

Employee



Dalton Caldwell





Daniel Gross

Employee



Denis Mars

Employee



Diego Rey

Employee



Elizabeth Iorns

Employee



Emmett Shear

Employee



Eric Migicovsky

Employee



Finbarr Taylor

Employee



Garry Tan

Employee



Geoff Ralston

Partner



gia scinto

Employee



Gustaf Alstromer





Harj Taggar

Employee



Ilya Sukhar

Employee



Irina Lukashuk

Employee



Jared Friedman





Jason Kwon

Attorney



Jessica Livingston

Founder



Further reading

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Companies

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References