/Investor DB

Venture51 — Full Portfolio

6 tracked investments · listed companies and verified rows first

DemandSpheredemandsphere.comin𝕏

DemandSphere provides search intelligence data synced directly into BigQuery with standard SQL access and no proprietary APIs, enabling data teams to query SERP rankings, AI visibility scores, and competitor metrics alongside internal datasets.

AI & Machine LearningData & InfrastructureEnterprise SoftwareMarketing TechSaaSColumbus, US

Ray Grieselhuber(CEO)in

Co-investors500 GlobalStreamlined VenturesY Combinator

Embedlyembed.ly𝕏Acquired

Embedly provides an API and tools that enable developers and publishers to embed rich media content from over 1,000 providers into websites, along with image optimization and link insights.

AdTechData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSBoston, US

Sean Creeley(Founder)inArthur Gibson(Founder)in

Co-investorsY CombinatorBetaworksBetaworks Ventures Management, LlcLowercase CapitalSocial LeverageSV Angel

FitMobfitmob.comJan 2015Acquired

Fitmob was a San Francisco fitness marketplace offering app-based group workouts and gym subscriptions, acquired by ClassPass in 2015.

San Francisco, US

Rajil Kapoor(Executive Officer, Director)Paul Twohey(Executive Officer)hannah kim(Founder)in

BoardTim Chang(Director)

Co-investorsExpansion Venture CapitalHemisphere Ventures LLCHinge CapitalMoonshots CapitalRocketship.vcTime Zero Capital+5 more

Hipsettracksby.comDefunct

Hipset provides a platform that enables musicians to distribute their music and video content to audiences.

ConsumerMedia & Entertainment

Bryan Kim(Founder)inMazy Kazerooni(Founder)inMatt Schlicht(CEO)Chase Sechrist(Technical)Erik Smith(Software Engineer)

Co-investorsY CombinatorBase Venture Management, Inc.FundersClubInitialized CapitalMenlo Ventures

SendHubsendhub.comin𝕏Acquired

SendHub provides SMS automation software that sends text messages automatically based on triggers, schedules, or customer behavior patterns.

Developer ToolsEnterprise SoftwareFuture of WorkMarketing TechSaaSSan Francisco, US

Ash Rust(CEO)inGarrett JohnsoninJohn Fallonein

Co-investors500 GlobalFundersClubHinge CapitalKapor CapitalY Combinator11-11 Ventures+12 more

Videoliciousvideolicious.comJul 2012Acquired

Videolicious was a New York video automation platform for high-volume B2B sales and marketing teams, acquired by Squarespace in 2019.

New York, US

Matt Singer(Executive Officer, Director)Amanda Eilian(Executive Officer, Director)

BoardRichard Smith(Director)Adam Schwartz(Director)

Co-investorsGotham Gal VenturesHinge CapitalHubrix VenturesLudlow VenturesQuotidian VenturesSocial Leverage

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.