Airbnb, Stripe, Dropbox, Coinbase, DoorDash, Reddit, Instacart — the YC alumni list reads like an index of the modern internet economy. Here's how the machine works and what it actually buys a founder.
At a glance
Y Combinator (YC)
- Founded
- 2005
- Headquarters
- San Francisco, California
- Type
- Startup accelerator
- Scale
- $500K standard deal; 5,000+ companies funded
Companies Y Combinator backed
A selection of the firm's best-known investments. Logos identify the companies named; they do not imply any relationship with Anytime Capital.
- AirbnbAirbnbW08 batch · IPO 2020
- StripeStripeS09 batch
- CoinbaseCoinbaseS12 batch · IPO 2021
- DoorDashDoorDashS13 batch · IPO 2020
- DropboxDropboxS07 batch · IPO 2018
- RedditRedditS05 batch · IPO 2024
- InstacartInstacartS12 batch · IPO 2023
- TwitchTwitchAcquired by Amazon, 2014
Anytime Capital is not affiliated with, sponsored by, or endorsed by Y Combinator or the companies listed above. Details are drawn from public sources and may have changed — tell us if something here is out of date.
The batch model
YC funds startups in cohorts — historically two batches a year, expanded to four (winter, spring, summer, fall) as of 2025. Each batch compresses company-building into roughly three months: weekly group sessions, office hours with partners, relentless focus on talking to users and growing, and a culminating Demo Day where the batch pitches a room (and livestream) of the world's most active early-stage investors.
Acceptance is famously competitive — low single-digit percentages of applicants — which is precisely what makes the signal valuable.
The standard deal
YC's terms are public and identical for everyone: $500,000 total, structured as $125,000 for 7% of the company plus $375,000 on an uncapped SAFE with most-favored-nation terms (it converts at your next round's price). The deal has evolved over the years — the $500K structure dates from 2022 — but its defining feature is standardization: no negotiation, no term games.
That standardization is deliberate pedagogy. YC's founding insight was that early-stage investing could run like an assembly line for company formation, with uniform terms removing an entire category of founder mistakes.
What YC actually does for a company
Three durable things. The network: thousands of alumni founders who answer each other's messages, plus the internal Bookface forum and a deals directory of discounts. The methodology: 'make something people want,' launch fast, talk to users, measure one growth metric — YC's essays and advice became the industry's default operating manual. The fundraising leverage: Demo Day concentrates investor attention in a way a cold-emailing founder can't reproduce.
Is it worth 7%?
For very early companies, the math usually favors yes: the acceptance signal alone moves valuation and investor access enough to offset dilution, and the alumni network compounds for decades. Later-stage or heavily-validated companies weigh it differently. The honest frame: YC is an exceptional deal for what it was designed for — the earliest, most formless stage — and merely a fine one past it.
Frequently Asked Questions
How much does YC invest and at what terms?
$500,000 per company: $125K for 7% equity, plus $375K on an uncapped most-favored-nation SAFE that converts at your next round's terms.
Who founded YC and when?
Paul Graham, Jessica Livingston, Trevor Blackwell, and Robert Morris in 2005, initially in Cambridge, Massachusetts, before moving operations to the Bay Area. Sam Altman later ran it (2014–2019); Garry Tan is the current president, since 2023.
What are YC's most famous companies?
Airbnb, Stripe, Dropbox, Coinbase, DoorDash, Instacart, Reddit, Twitch, and Zapier are among the best known of its thousands of funded startups.
Does YC fund crypto and AI startups?
Yes — Coinbase (batch of 2012) remains a flagship crypto outcome, and recent batches have skewed heavily toward AI companies, reflecting where application volume went.