M13 is an early-stage venture capital firm co-founded by Carter Reum and Courtney Reum that backs visionary founders at seed through Series B. M13's Twitter Score is 26 out of 1000 as of September 2026, ranking #37,759 (top 10%) among 486,860 tracked accounts.
M13's investment strategy centers on infrastructure technology, including AI and Web3, spanning the future of work, health, commerce, and money. The firm announced Fund III as a $400 million vehicle targeting seed through Series B investments in March 2022. Backers of the firm have included Sir Richard Branson, Silas Chou, and Arianna Huffington.
M13 has been active in crypto and blockchain, reporting by November 2022 that it had invested in more than 20 crypto projects over the preceding three years, covering protocols, infrastructure, and consumer applications. The firm invested directly in the Solana protocol and identified Flipside Crypto, Fold, Lightning Labs, Milo, and Nori among its selected Web3 and crypto holdings. M13 also operates Launchpad, a brand incubator established through a partnership with P&G Ventures in 2019.
M13 has published 3,695 posts on the platform and has been mentioned by 96 accounts a total of 146 times. M13's portfolio includes Flipside, Lightning Labs, FOLD BITCOIN, River, Fable, Boba Network, STEPN and Unblocked LOL.
Who follows M13 on X?
The accounts that follow M13 include 110 founders, 36 angel investors, 21 influencers and 25 VCs, among them Vance Spencer, Tyler Winklevoss, Tom Schmidt, Cameron Winklevoss, mikedemarais.eth and Matthew Graham.