645 Ventures is an early-stage venture capital firm that invests in technology companies, with blockchain, Web3, and crypto infrastructure among its focus areas. 645 Ventures's Twitter Score is 13 out of 1000 as of September 2026, ranking #73,850 among 486,860 tracked accounts.
645 Ventures was co-founded by Nnamdi Okike and Aaron Holiday, both serving as Co-Founders and Managing Partners. The firm was established in 2014 and has since grown to manage more than $550 million across five funds, with more than $400 million available to deploy. In December 2022, the firm closed two funds totaling $347 million, comprising a $194 million Fund IV and a $153 million Select Fund I.
645 Ventures is affiliated with Solidus Labs, a crypto market integrity firm. The firm's investment thesis spans emerging technology categories, with blockchain and Web3 explicitly identified as priority areas alongside broader software and technology verticals. 645 Ventures has posted 1,104 times on Twitter and has attracted 6,361 followers as of September 2026.
645 Ventures's portfolio includes Solidus Labs, Rad TV and Fish Audio. 645 Ventures has been mentioned by 103 accounts, with 349 total mentions.
Who follows 645 Ventures on X?
The accounts that follow 645 Ventures include 79 founders, 22 angel investors, 4 influencers and 30 VCs. Among them are Jane Lippencott, Ryan Carson, David Haber, Kim-Mai Cutler, Alexia Bonatsos and Dave McClure.