/Investor DB

Winklevoss Capital — 2025 Investments

10 investments dated 2025 · listed companies and verified rows first · show all

American Bitcoinabtc.cominNASDAQ: ABTCAug 2025

American Bitcoin operates a Bitcoin mining platform focused on low-cost, large-scale Bitcoin production and accumulation to maximize Bitcoin-per-share.

Crypto & Web3FintechMiami, US

Michael Ho(Executive Officer, Director)Matt Prusak(President and Interim Chief Financial Officer)in

BoardJustin Mateen(Director)Asher Genoot(Director)inMichael Broukhim(Director)in

Co-investorsBold Capital Partners

Luna Diabeteslunadiabetes.cominAug 2025 · $23.6M✓ verified

Luna develops a small patch pump with automated insulin dosing for insulin pen users to help manage glucose levels overnight.

Digital HealthHealthtechMedical Devices

John Sjölund(Founder)inSean Saint(Founder)inJon Brilliant(Founder)

Co-investorsSerpentine VenturesInterlock CapitalVensana Capital

Artieartie.comin𝕏Nov 2025

Artie provides a data replication platform built on change data capture (CDC) technology, enabling real-time data movement with sub-minute latency and zero data loss.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Jacqueline Cheong(Co-founder & CEO)inRobin Tang(Co-Founder and CTO)inArmando McIntyre-Kirwin(Executive Officer, Director)Ryan Horrigan(Executive Officer, Director)William Haw(Eng)Nathan Villaescusa(Founding Engineer)

Co-investorsStandard CapitalCalano VenturesCanaan PartnersFJ LabsGeneral CatalystIA Seed Ventures+6 more

DextallinJul 2025 · $15M

Advanced ManufacturingFairfax, US

Rolandas Talalas(Executive Officer)Aurimas Sabulis(Executive Officer, Director)

Co-investorsStellifi

Lunalunaconnect.ioinAug 2025

Luna Connect offers a cloud-based SaaS platform for financial institutions such as banks, credit unions, and insurers to digitise customer engagement, automate lending, onboarding, ID verification, and compliance workflows using no-code automation and AI-driven analytics.

AI & Machine LearningFintechSaaSGalway, IE

Brian D'Arcy(Founder)in

Co-investorsHaymaker VenturesVensana Capital

N3XTn3xt.ioin𝕏Oct 2025

N3XT operates a Wyoming-chartered special purpose depository institution providing real-time B2B payments and settlement services for businesses.

Crypto & Web3Enterprise SoftwareFintechCharlotte, US

Scott Shay(Founder)inJeffrey Wallis(Founder)inAurélien Bonnel(Founder, Chief Technology Officer)inKyle O'Donnell(Founder, Chief Information Officer)in

BoardMichael Jesseson(Director)

Co-investorsAlumni VenturesFuture Perfect VenturesHack VCParadigmPharsalus CapitalReciprocal Ventures

Reflect Orbitalreflectorbital.cominApr 2025

Reflect Orbital is developing satellite-based mirrors that redirect natural sunlight from space to illuminate specific areas on Earth on demand, with adjustable brightness and scheduling.

CleantechEnergySpace TechHawthorne, US

Ben Nowack(Founder)inTristan Semmelhack(Founder)in

BoardShaun Maguire(Director)inJosh Wolfe(Director)in

Co-investorsAlumni VenturesBig Brain HoldingsGaingelsLux CapitalSequoia CapitalStarship Ventures+1 more

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

Blueprint Bryan JohnsonLeap Therapeutics

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.