 By most measures, Y Combinator (YC) is far and away the most important incubator in the technology space. Graduating from there is like facing the job market with a resume boasting summer internships at Google, Facebook AND Goldman Sachs. You are almost guaranteed a multi-million funding.
 By most measures, Y Combinator (YC) is far and away the most important incubator in the technology space. Graduating from there is like facing the job market with a resume boasting summer internships at Google, Facebook AND Goldman Sachs. You are almost guaranteed a multi-million funding.
Fintech (note 1) has been part of YC from the beginning. The first class (Summer 2005) included one fintech startup, TextPayMe, among the eight companies. TextPayMe was acquired shortly thereafter by Amazon for a rumored $3 million.
But as YC grew from 2005 to 2009, the number of fintech companies stayed at roughly 1 per year. During those five years, YC graduated 5 fintech companies out of a total of 139 (3.5%). Suddenly in 2010, the fintech number grew dramatically, average of more than 7 per year. During the past 4.5 years, there have been 35 fintech startups out of a total of 406 (8.6%) (see note 2).
Table: YC Fintech Companies by Year
| Class | Total Companies | # Fintech Companies | % Fintech | 
| 2014 (half year) | 56 | 5 | 9% | 
| 2013 | 83 | 9 | 9% | 
| 2012 | 117 | 8 | 7% | 
| 2011 | 89 | 7 | 8% | 
| 2010 | 61 | 6 | 10% | 
| 2009 | 39 | 1 | 3% | 
| 2008 | 43 | 1 | 2% | 
| 2007 | 32 | 2 | 6% | 
| 2006 | 17 | 0 | 0% | 
| 2005 | 8 | 1 | 13% | 
| Total | 545 | 40 | 7.4% | 
Source: Y-Combinator (yclist.com), Finovate analysis  
(see note 1 for Fintech definition)    
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List of fintech YC alums by year     
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2014 (Winter class only)
Abacus    
abacus.com    
Say goodbye to expense reports.
TradeBlock    
http://tradeblock.com    
Digital currency data and analysis. TradeBlock’s digital currency tools and research are trusted by hundreds of thousands of traders and enthusiasts across the globe.
Two Tap     
http://twotap.com    
Users can now order any product directly in your app with Two Tap.
Zidisha    
http://www.zidisha.org    
We are pioneering the first online microlending community to connect lenders and borrowers directly across international borders – overcoming previously insurmountable barriers of geography, wealth and circumstance.
 Zinc  
http://www.zincsave.com  
Zinc is the best way to buy. Pay with with Dwolla or Bitcoin, and manage all your orders in one place.  
2013
Buttercoin    
http://buttercoin.com    
Trade bitcoin with ease.
PayTango    
http://www.paytango.com    
PayTango links the cards in your wallet to your fingerprints.
RealCrowd    
http://realcrowd.com    
Featured investments available for funding.
SimplyInsured    
http://www.simplyinsured.com    
Simple health insurance for small businesses.
Standard Treasury    
http://standardtreasury.com    
APIs for commercial banks.
 Swish  
http://www.swish.com  
Swish is a dynamic, specialized mobile payment company that has developed a ground breaking new card reader and application which provides a complete mobile point of sale solution to any size business.  
True Link Financial    
http://www.truelinkcard.com    
We keep a watchful eye out for fraud and spending mishaps so you can spend your time doing what matters.
 WeFunder  
https://wefunder.com  
We aim to give everyone – regardless of wealth – the opportunity to invest in startups.  
Zenefits    
http://www.zenefits.com    
Zenefits runs your benefits, so you can run your business. Get affordable benefits for your company in minutes. Then set and forget them.    
2012
Airbrite    
http://airbritelabs.com    
Exited    
Airbrite is a cloud-enabled platform that powers mobile commerce We are the next generation of e-commerce. Our mobile-firs
t API powers modern shopping.
Coinbase    
http://coinbase.com     
Your Hosted Bitcoin Wallet. Coinbase is the easiest way to get started with Bitcoin.
Crowdtilt    
http://www.crowdtilt.com    
Crowdtilt allows users to pool funds for objectives in a simple, social, and frictionless way online.
Eligible    
eligibleapi.com    
Real Time Eligibility Checks for Health Insurance.
FundersClub    
thefundersclub.com    
FundersClub is a web service that gives investors unprecedented access to investment opportunities and the tools to review and invest online with ease and speed.
LendUp   
lendup.com     
LendUp is reinventing the payday lending industry
SmartAsset    
http://www.smartasset.com    
SmartAsset makes life’s biggest decisions easier by bringing full transparency to the financial decision making process.
 ZenPayroll  
http://zenpayroll.com  
We are creating beautiful, modern payroll.   
2011
 DebtEye  
http://www.debteye.com  
We are an automated credit counseling solution to help customers get out of debt, a little like a “turbo tax” for those who need debt relief.    
Giftrocket    
http://www.giftrocket.com    
GiftRocket sells a new type of gift card that works at any location. 
 GoCardless  
https://gocardless.com  
GoCardless is a UK-based service that allows smaller merchants to easily set up interbank transfers for customers.   
Leaky    
http://leaky.com    
Leaky helps consumers make better decisions about insurance.
OrderAhead    
http://orderaheadapp.com    
OrderAhead is the easiest way to order from local merchants on your phone. 
TrustEgg    
http://trustegg.com    
The simplest way to save for a child’s future. 
SwipeGood    
https://swipegood.com    
SwipeGood allows users to enroll their credit or debit cards and automatically round up every purchase to the nearest dollar for charity.     
2010
 CardPool  
http://www.cardpool.com  
EXITED  
Cardpool is a gift card exchange marketplace where anybody can buy, sell, or trade their new or pre-owned gift cards.  
E la Carte     
http://elacarte.com    
E la Carte develops tablets for restaurant tables so guests can order, pay and play games from their seats
 FutureAdvisor  
https://www.futureadvisor.com  
FutureAdvisor was founded in 2010 on the premise that investing for your future does not have to be difficult or expensive.    
Indinero    
http://indinero.com    
Accounting, taxes & payroll. One solution. inDinero is your company’s accounting department.
ReadyForZero    
https://www.readyforzero.com    
ReadyForZero creates online financial software that helps people control and reduce debt.
Stripe    
https://stripe.com    
Stripe is a simple, developer-friendly way to accept payments online.    
2009
WePay   
https://www.wepay.com    
WePay is an online payments platform for individuals, organizations, and businesses.    
2008
Tipjoy    
DEAD    
Tipjoy was a simple, social payments engine that allows merchants to sell digital content and features, charities to raise money for causes, and individuals to give money to one another.     
2007
Buxfer    
http://www.buxfer.com    
Buxfer is the next-generation personal finance solution, taking money management to the web.
SocialPicks    
http://www.socialpicks.com    
EXITED    
SocialPicks provides individual investors with a trusted online investing community where they can invest smarter together.    
2005
TextPayMe   
http://www.textpayme.com    
EXITED    
TextPayMe was an SMS payment service that lets you send money to other people using cell phone text messaging.
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Note:     
1. We are using a broad definition of fintech including payments, insurance, investments, gift cards and even a few that are ecommerce focused such as E la Carte which is an order entry and payments play for restaurants.     
2. Some YC companies are in stealth mode, so this public list is not 100% complete.