/Investor DB

25Madison — 2026 Investments

6 investments dated 2026 · listed companies and verified rows first · show all

Abstractionabstraction.devinMay 2026 · $5M

Abstraction builds a code comprehension layer that compiles source code into a universal semantic model to generate auto-validated wikis, process graphs, system maps, and semantic PR reviews.

AI & Machine LearningDeveloper ToolsSaaS

Co-investorsInception Fund2048 VenturesAlumni VenturesAntlerBankless VenturesCosmostation+11 more

Century Healthcentury.healthMay 2026

Century Health is an AI company serving the healthcare and life sciences sector, with a stated focus on using data to support patient outcomes and its partners.

AI & Machine LearningDigital HealthHealthtech

Vish Srivastava(Founder)in

Co-investors2048 VenturesAlumni VenturesEnsemble LabsEverywhere VenturesLifeX VenturesNext Play Ventures+1 more

Kyrakyra.cominApr 2026

Kyra runs influencer marketing programs for global brands, activating creators across TikTok, Instagram, and YouTube and analyzing large volumes of creator video to forecast and measure campaign outcomes.

AdTechAI & Machine LearningCreator EconomyMarketing Tech

Dev Karaca(Founder)inDevran Amaratunga Karaca(CEO & Co-Founder)Nicholas Dart(COO/CTO & Co-Founder)inStewart Rawle(Chief Commercial Officer)inSteph Fadahunsi(Chief People Officer)Ed Galvin(Chief Financial Officer)in

Co-investorsGMG VenturesTorch CapitalBonnier VenturesLionTreeBonnier CapitalMercuri.vc+6 more

Rebuildrebuild.workSep 2026 · $13M

Rebuild provides an AI-powered estimation tool designed for restoration companies to automate and accelerate the estimate generation process.

AI & Machine LearningConstruction TechInsurTechSaaS

Angelo Ferrante(Co-founder)

Co-investorsGreen Egg VenturesGutter CapitalAsymmetric Capital PartnersLightbank

Syndicatesyndicate.io𝕏Apr 2026Defunct

Syndicate provides infrastructure to scale the Ethereum blockchain, supporting staking and development operations on the network.

Crypto & Web3Mountain View, US

William Raphael Papper(Executive Officer, Director)Ian John Lee(Executive Officer, Director)ian //(Founder)inIan Lee(Founder)inWill Papper(Founder)

Co-investorsA.Capital Venturesa16z cryptoAndreessen HorowitzArchetypeAtelierBlueYard Capital+28 more

Other

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

Ranger RFX

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.