Sum Ventures — Full Portfolio
8 tracked investments · listed companies and verified rows first
Automotus uses computer vision and AI to help cities and airports manage commercial vehicle traffic and reduce CO2 emissions.
AI & Machine LearningClimate TechGovTechMobility & TransportationSaaSLos Angeles, US
Harris Lummus(Executive Officer, Director)Jordan Justus(Founder)inHarris Lummis(Founder)in
BoardOliver Libby(Director)Tom Spengler(Director)Gabe Klein(Director)in
Co-investorsBand of AngelsE8 AngelsEmerging VenturesIrishAngelsKeiki CapitalPartnership Fund for NYC+6 more
GoBuild provides payment and working capital solutions designed for small construction firms, addressing cash flow delays through deposit financing, project-based lending, and subcontractor payment management.
FintechPropTechSan Francisco, US
Chapman Snowden(Founder)inDrew Barrett(Founder)inAdrian Calderon(CTO)Tiffany Testa(Chief Of Staff)
Co-investorsCapmontFlourish VenturesTrihill CapitalY CombinatorGlobal Founders CapitalGoodwater Capital+7 more
Grapefruit Health provides healthcare organizations with a workforce of trained clinical students—recruited from pre-med, nursing, pharmacy, social work, and similar programs—who are integrated into care team workflows to close care gaps and address staffing shortages.
Digital HealthFuture of WorkHealthtechSaaSChicago, US
Eric Alvarez(Executive Officer, Director)in
Co-investorsAntlerChicago Early Growth Ventures (CEGV)Everywhere VenturesGoAhead VenturesLitquidity VenturesLongJump Ventures+2 more
Irrigreen manufactures smart in-ground sprinkler systems for residential lawns that use mapping technology to reduce water waste by up to 50% compared to traditional irrigation.
AgTechHardwareIoT
Co-investorsBerkeley Angel NetworkBURNT ISLAND VENTURESEcho River CapitalMFV PartnersSand Hill AngelsStartX+3 more
Rent a Backyard connects homeowners with prefab home builders and designers to add accessory dwelling units, mother-in-law suites, and other backyard structures to properties.
B2B MarketplacesConstruction TechMarketplacesPropTechSan Francisco, US
Brian Bakerman(Founder)inSpencer Burleigh(Founder)inGeorgia Kate(Operations Associate)Angeli Dimakiling(Recruiter)
Co-investorsK2 GlobalY CombinatorZillionizeAsymmetry VenturesCleo CapitalGreat Wave Ventures+4 more
PlantSwitch manufactures home-compostable food packaging and cutlery products from agricultural waste, particularly rice hulls, using a proprietary CompostZero™ bio-resin that breaks down in backyard compost without leaving microplastics.
Circular EconomyFoodTechNew MaterialsSanford, US
MAXIME BLANDIN(Executive Officer, Director)DILLON BAXTER(Executive Officer, Director)in
BoardSamuel Phelps(Director)
Co-investorsFlow Capital
Transparency Analytics provides quantitatively driven credit ratings for corporate issuers and private credit transactions.
FintechNew York, US
Christopher Tolles(CFO)Michael Brawer(CEO)inRobert Boresta(Executive Officer)
BoardMichael Fedorochko(Director)Christopher Gottschalk(Director)in
Co-investorsCore Venture CapitalDeciensFJ LabsMouro CapitalAllianz Life VenturesCore Innovation Capital
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
FantasyLife
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.







































