Y Combinator is a startup accelerator and venture capital firm co-founded by Trevor Blackwell, Paul Graham, Jessica Livingston, and Robert Morris, with Garry Tan as President & CEO. Y Combinator's Twitter Score is 501 out of 1000 (an Excellent rating) as of October 2026, ranking it #325 out of 493,952 accounts tracked on this platform. Y Combinator ranks #325 (top 0.1%) out of 493,952 tracked accounts on TwitterScore.
Y Combinator runs a three-month program four times a year, investing $500k per company: $125k for 7% on a post-money safe and an additional $375k on an uncapped safe with an MFN. Each cycle culminates in a Demo Day, where the latest batch of funded founders is presented to selected investors and press. Its alumni community includes more than 6,000 domain experts.
Y Combinator closed an $8.25 million fund in May 2010, led by Sequoia Capital, with participation from Ron Conway, Paul Buchheit, Aydin Senkut, XG Ventures, and Geoff Ralston. Among its crypto and Web3 alumni, Coinbase went through the program as a Summer 2012 company and OpenSea as a Winter 2018 company. Its broader portfolio includes Globe Official, Coinbase, Coinbase Institutional, Dharma, Meme, Reddit, Inc, Product Hunt and Dropbox.
Y Combinator has 1,655,863 followers as of October 2026 on X and has published 26,959 posts since 2010. The account has been mentioned by 2,618 accounts, with 8,224 total mentions.
Who follows Y Combinator on X?
Y Combinator draws a wide cross-section of followers from across the startup and crypto landscape. The accounts that follow Y Combinator include 2,852 founders, 724 angel investors, 596 influencers and 296 VCs, among them Brian Armstrong, Chris Dixon, Solana, Marc Andreessen, Sam Altman and Nikita Bier.