Stephen Grugett is a co-founder who built Manifold Markets and has since shifted focus to lead MNX, a decentralized futures exchange for AI-related assets. SG's Twitter Score is 15 out of 1000 as of October 2026, ranking #65,913 among 500,579 tracked accounts.
SG co-founded MNX, which is built on MegaETH, an Ethereum Layer 2 network, and targets the AI economy with products including valuation futures, equity perpetuals, compute perpetuals, and prediction markets. He also co-founded Manifold Markets, the prediction market platform, though he appointed a co-CEO as his successor there and stepped back to concentrate on MNX.
SG raised a $6.4 million pre-seed round for MNX, announced in June 2026, led by Village Global, with Cambrian, North Island Ventures, Finality Capital, and Relay Digital also participating. The financing was structured as a SAFE with token warrants at a $40 million valuation. As of June 2026, MNX was operating in private beta with institutional partners on the MegaETH testnet. SG's account has published 56 posts and has been mentioned by 14 accounts a total of 15 times, with 655 followers as of October 2026 on the platform.
Who follows SG on X?
The accounts that follow SG include 57 founders, 15 angel investors and 18 influencers, among them Gabriel Shapiro, Sreeram Kannan, bread.mega, Shuyao Kong, Dwarkesh Patel and Alex Masmej.