/Investor DB

Room40 Ventures — Full Portfolio

6 tracked investments · listed companies and verified rows first

Daylightgodaylight.comin𝕏Oct 2025

Daylight builds a distributed energy network that allows homes to generate, store, and share power locally, while providing financing and grid operations services for the electrified home market.

CleantechClimate TechEnergy

Billie Simmons(Founder)Evan Caron(Founder)Jason Badeaux(Founder)Paul Barnes-Hoggett(Founder)Rob Curtis(Founder)Udit Patel(Founder)

Co-investorsAndreessen HorowitzCoinbase VenturesCrucible CapitalEv3 Ventures LlcLattice CapitalLattice Capital+8 more

Maple Financemaple.financein𝕏Aug 2023

Maple is an onchain asset management platform offering institutional-grade lending and yield strategies to the crypto ecosystem.

Crypto & Web3Fintech

Joe Flanagan(Founder)inSidney Powell(Founder)

Co-investorsArctic DigitalBlack DragonBloccelerate VCGSRMarin Digital VenturesMaven 11+11 more

Montomontopay.comJul 2024

AI application that automates B2B payment portal submissions and provides visibility across payment portals for accounts receivable teams.

Co-investorsScale Venture PartnersVerissimo VenturesF2 Venture Capital

Oxygengetoxygen.comin𝕏Series A

Oxygen was a neobank offering financial products and banking services to small business owners, entrepreneurs, and gig economy workers.

FintechSaaSSan Francisco, US

Hussein Ahmed(Founder)inDavid RafalovskyinGeraldine Laybourne(Founder)Oprah Winfrey(Founder)

Co-investors500 GlobalAlumni VenturesBase Venture Management, Inc.Digital HorizonDigital Horizon VCFox Ventures+32 more

Scope3scope3.comOct 2023 · $20M

Scope3 operates the Interchange, an agentic advertising platform where buyer, seller, creative, and governance agents coordinate through the AdCP standard to plan, negotiate, and execute ad campaigns across surfaces such as CTV, social, audio, and AI chat.

AdTechAI & Machine LearningMarketing Tech

Brian O'Kelley(Founder)in

Co-investorsGV (Google Ventures)Venrock

Other

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

DayFi

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.