/Investor DB

Floodgate — Full Portfolio

206 tracked investments · page 2 of 2 · listed companies and verified rows first

Xamarinxamarin.com𝕏Aug 2014acquired by Microsoft · Feb 2016 · $400M

Xamarin was a San Francisco software company founded in 2011 that built cross-platform mobile development tools letting developers write native iOS, Android, and Windows apps using shared C#/.NET code.

Developer ToolsSaaSSan Francisco, US

Nathaniel D. Friedman(Executive Officer, Director, Promoter)Miguel de Icaza(Executive Officer, Director, Promoter)Joseph Hill(Founder)Nat Friedman(Founder)in

BoardJohn Connors(Director)inAnn Miura-ko(Director)in

Co-investorsInsight PartnersLead Edge Capital

Xpertloopxpertloop.ai

ChatCEO is an AI-powered operating system designed for chief executives that applies proven CEO methodology to drive strategic decision-making and operational execution.

AI & Machine LearningEnterprise SoftwareFuture of WorkAustin, US

Joel Trammell(Founder & CEO)

Zeplinzeplin.ioin𝕏Seed

Zeplin is a collaboration platform that helps product teams organize design documentation and connect designs to code.

Developer ToolsEnterprise SoftwareSaaSSan Francisco, US

Pelin Kenez(CEO)inIsmail Ceylan(Software Developer)inMerih Akar(Developer)inBerk Çebi(Founder)inGökay Borulday(Engineering Lead)Kai Mak(Vice President of Customer Success \u0026 Sales)

Co-investorsGraph VenturesSparkland CapitalStartersHubY CombinatorBG FundFour Cities+2 more

Zeuszeusliving.cominSeedAcquired

Zeus provides property management software and services for corporate rental housing.

PropTechSan Francisco, US

Kulveer Taggar(CEO)inSrini Panguluri(Founder)inJoe Wong(Founder)inOmar Seyal

Co-investorsAlumni VenturesY CombinatorBee PartnersBloomberg BetaBowery CapitalCrystal Towers Capital+11 more

Zitadelzitadel.comin𝕏Series A · Jun 2024 · $9M

Zitadel is an open-source identity and access management platform that provides infrastructure for enterprise authentication and authorization.

CybersecurityDeveloper ToolsEnterprise SoftwareSan Francisco, US

Florian Forster(Founder)in

BoardAbhishek Sharma(Director)

Co-investorsNexus Venture Partners

Other

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

Yup

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.