A16z is the Twitter account of Andreessen Horowitz, the venture capital firm founded on July 6, 2009 by Marc Andreessen and Ben Horowitz, both of whom serve as Cofounder and General Partner. A16z's Twitter Score is 821 out of 1000 (an Excellent rating) as of July 2026, ranking #57 (top 0.1%) among 389,587 accounts tracked on this platform. The account has 1,017,983 followers as of July 2026 and has been active since 2009.
A16z invests in seed to growth-stage technology companies across sectors including crypto, AI, bio and healthcare, consumer, enterprise, fintech, games, infrastructure, and American dynamism. As of April 30, 2026, the firm manages over $100 billion in assets under management across multiple funds. A16z pioneered a platform model for venture capital featuring dedicated teams of operators across marketing, talent, legal, policy, engineering, and research to support founders. Its portfolio includes Axie Infinity, Gitcoin, Polychain, Helium, OpenSea, Arweave Ecosystem, Optimism and Fei Protocol.
A16z's crypto arm, a16z crypto, has been investing in crypto and blockchain startups across all stages since 2013. Chris Dixon, who founded and leads a16z crypto, serves as General Partner. The firm raised its first dedicated cryptocurrency fund, a16z Crypto Fund I, of $300 million in June 2018, followed by a16z Crypto Fund II of $515 million in April 2020, a16z Crypto Fund III of $2.2 billion in June 2021, a16z Crypto Fund IV of $4.5 billion in May 2022, and a16z Crypto Fund V of $2.2 billion in May 2026. The account has published 25,452 posts, covering research, policy commentary, engineering content, and investment announcements related to crypto and web3. A16z has been mentioned by 3,839 accounts, with 14,114 total mentions on the platform.
Who follows A16z on X?
A16z draws a broad audience of crypto and technology investors. The accounts that follow A16z include 3,602 founders, 687 angel investors, 1,683 influencers and 563 VCs, among them Balaji, Brian Armstrong, Chris Dixon, Solana, Erik Voorhees and Marc Andreessen.