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 22 out of 1000 as of July 2026, ranking #50,715 (top 10%) among 531,432 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 3,647 posts on the platform and has been mentioned by 91 accounts a total of 141 times. M13's portfolio includes Flipside, Lightning Labs, FOLD BITCOIN, River, Fable, Boba Network, STEPN GO and Unblocked LOL.
Who follows M13 on X?
The accounts that follow M13 include 93 founders, 20 angel investors, 20 influencers and 26 VCs, among them Tyler Winklevoss, Vance Spencer, Cameron Winklevoss, Tom Schmidt, mikedemarais.eth and Matthew Graham.