/Investor DB

Mark Cuban — 2021 Investments

11 investments dated 2021 · listed companies and verified rows first · show all

Eternevaeterneva.cominJul 2021✓ verified

Eterneva creates memorial diamonds grown from the cremated ashes of deceased people and pets, offering an interactive process, jewelry collections, and pre-planning options to help families honor loved ones.

ConsumerDirect to ConsumerNew MaterialsWellness & FitnessAustin, US

Adelle Archer(Co-founder & CEO)inGarrett Ozar(Co-founder & Co-CEO)in

Co-investorsFounder CollectiveGaingelsKaya VenturesMaiora Rebel VenturesNext Coast VenturesPalm Tree Crew Investments+10 more

Arbitrumarbitrum.ioAug 2021

Arbitrum is an Ethereum layer-2 platform using optimistic rollups to offer cheaper, faster transactions and dedicated chains.

Ed Felten(Founder)Harry Kalodner(Founder)Steven Goldfeder(Founder)

Co-investorsCompoundHTX Ventures (ex Huobi Ventures)IOSG VenturesJustin “3LAU” BlauLauren StephanianOKX Ventures+10 more

Fabric8Labsfabric8labs.cominJun 2021

Fabric8Labs develops Electrochemical Additive Manufacturing (ECAM), a room-temperature metal 3D printing technology that produces dense, high-purity metal parts with micron-scale resolution and no post-processing.

Advanced ManufacturingDeep TechHardwareSemiconductorsSan Diego, US

Jeffrey Herman(Executive Officer, Director)David Pain(Founder)inDavid Wirth(Founder)Jeff Herman(Founder)

BoardCyril Vancura(Director)inGreg Papadopoulos(Director)in

Co-investorsIntel CapitalLam CapitalMarunouchi Innovation PartnersSE VenturesTDK VenturesEricsson Ventures+7 more

FairMoneyfairmoney.ngin𝕏Jul 2021

FairMoney is a digital bank offering personal loans, savings products, and business banking services through a mobile app.

ConsumerFintech

Laurin Hainy(Founder)Matthieu Gendreau(Founder)Nicolas Berthozat(Founder)

Co-investorsAruwa CapitalFlourish VenturesNewfund CapitalSpeedinvestTLcom Capital305 Ventures+26 more

Fort Roboticsfortrobotics.cominMar 2021

FORT provides a distributed control platform that enables autonomous systems and robots to operate safely and securely alongside people across industries including warehousing, construction, defense, agriculture, and transportation.

AI & Machine LearningDeep TechEnterprise SoftwareIoTRobotics

Samuel Reeves(Founder)in

Co-investorsAvant LabsCompoundCreative VenturesFundersClubGaingelsGRIDS Capital+12 more

Goldin Auctionsgoldin.coSep 2021Acquired

Goldin is a US sports, history and pop-culture collectibles auction house, founded in 2012 and acquired by eBay in 2024.

Runnemede, US

Kenneth Goldin(Executive Officer, Director)inKen Goldin(Founder)inMatthew Brown(Director)Michaela Venuti(Director)Jesse Jacobs(Director)Nathaniel S. Turner V(Executive Officer, Director)

Co-investorsAurum Venture PartnersLightShed VenturesThe Chernin Group (TCG Crypto)01 Advisors75 & SunnyAnthony Pompliano+4 more

Jackpocketjackpocket.comin𝕏Nov 2021Acquired

Jackpocket is a licensed third-party lottery courier app that enables users to order official state lottery tickets via smartphone.

ConsumerFintechMarketplacesNew York, US

Peter J. Sullivan, III(Executive Officer, Director)Peter Sullivan(Founder)

BoardAdam Rothstein(Director)

Co-investors7GC & CoBlueRun VenturesBullpen CapitalCerity Partners VenturesClashmore VenturesConductive Ventures+17 more

Mysten Labsmystenlabs.comin𝕏Dec 2021

Mysten Labs builds infrastructure and tools for web3, focusing on making decentralized systems secure, reliable, and ready for mass adoption.

Cloud ComputingCrypto & Web3Deep TechDeveloper ToolsPalo Alto, US

Adeniyi Abiodun(Founder)inKostas Kryptos Chalkias(Founder)inSam Blackshear(Founder)inEvan Cheng(Founder)inGeorge Danezis(Founder)Kostas Chalkias(Founder)

Co-investorsa16z cryptoAlumni VenturesAndreessen HorowitzArrington CapitalBasecamp FundBig Brain Holdings+38 more

Offchain Labsoffchainlabs.comin𝕏Aug 2021

Offchain provides enterprise infrastructure and blockchain products for the programmable economy, including scaling solutions, consensus clients, and smart account infrastructure.

Crypto & Web3Enterprise SoftwareFintech

Steven Goldfeder(Founder)inEd Felten(Founder)Harry Kalodner(Founder)

Co-investorsBallistic VenturesBlockchain CoinvestorsCoinbase VenturesDeFiance CapitalFenbushi CapitalLightspeed Venture Partners+7 more

Relativity Spacerelativityspace.comin𝕏May 2021

Relativity Space develops Terran R, a reusable medium-to-heavy-lift rocket designed for efficiency and scalability, serving government entities, telecommunications companies, and commercial customers for space access missions.

Advanced ManufacturingAI & Machine LearningDeep TechDefense TechHardwareSpace TechLos Angeles, US

Tim Ellis(CEO)inJordan Noone(CTO)inEric Schmidt(CEO)inAlex Levy(Investor)inNatalie EstrellaArleen Giger(Principal Recruiter)

Co-investorsAidenlair CapitalARA NEA Ventures (Brand: Dmz.Xyz)Aurum Venture PartnersBalerion Space VenturesBaruch Future VenturesBold Capital Partners+62 more

Zapperzapper.xyzJan 2021Defunct

Zapper was a DeFi portfolio dashboard and transaction-bundling app that shut down its products and API in August 2026.

Nodar Janashia(Founder)in

Co-investorsBitDAOLongHash VenturesMantle NetworkNarcissus VenturesParaFi CapitalParafi General Fund+5 more

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.