FJ Labs is a stage-agnostic venture fund that describes its model as angel investing at venture scale, concentrating on early-stage marketplaces and network-effect businesses. FJ Labs's Twitter Score is 11 out of 1000 as of September 2026, ranking #87,775 among 486,860 tracked accounts.
FJ Labs was co-founded by Fabrice Grinda and Jose Marin as Founding Partners. The fund was formally launched with a $50 million investment from Telenor alongside the founders' personal capital and an entrepreneur fund operated through AngelList, with Telenor no longer listed as a backer. In January 2023, FJ Labs announced $260 million in commitments across a pre-seed fund and an opportunity-style fund targeting Series B and later investments, with reported backers including family offices, institutional investors, and technology-company founders.
FJ Labs operates by co-investing with institutional venture funds globally rather than leading rounds or taking board seats. The firm says it has invested in more than 1,000 companies and has built what it describes as the world's largest portfolio of marketplace startups. Its investment scope extends into Crypto and Web3, a category the firm formally tracks within its portfolio and addresses through dedicated research content. FJ Labs has been active on Twitter since 2016 and has published 208 posts.
FJ Labs's portfolio includes Lolli, Figment, Zengo Wallet, SX Network, Codexprotocol, Ledn, Octane AI and Wonderverse.
FJ Labs has been mentioned by 68 accounts, with 124 total mentions.
Who follows FJ Labs on X?
The accounts that follow FJ Labs include 53 founders, 22 angel investors, 12 influencers and 11 VCs. Among them are Andrew Chen, Vinny Lingham, SpiderCrypto, Vladimir Novakovski, Logan Jastremski and Bobby Goodlatte.