/Investor DB

Flume Ventures — Full Portfolio

12 tracked investments · listed companies and verified rows first

Rize Educationrize.educationinDec 2024

Rize provides higher education programs and services in partnership with colleges and universities, supporting students and academic institutions.

EdTechSaaSNew York, US

Kevin Harrington(Executive Officer, Director)inConnor McCarthy(Executive Officer, Director)in

BoardKareem Zaki(Director)inJeffrey Docking(Director)

Board seatColin Delea· per SEC Form D

Co-investorsRevolutionThrive Capital

Future Food Fundfuturefoodfund.nlinFeb 2026 · $50M

Future Food Fund is an investment firm that backs early-stage startups in the food and agriculture sector focused on sustainable innovation.

AgTechFoodTechImpact & Social Good

Peter Arensman(Founding Partner)inJeroen Kimmels(Founding & Managing Partner)in

Co-investorsNV NOMFuture Food Fund

GrubMarketgrubmarket.comin𝕏Feb 2026 · $50M

GrubMarket is a food tech company operating a B2B and B2C marketplace in the U.S. and Canada, offering both wholesale produce delivery at discounted prices and AI-powered SaaS software solutions for food supply chain businesses including inventory management, warehouse operations, and eCommerce platforms.

B2B MarketplacesE-commerceEnterprise SoftwareFoodTechLogistics & Supply ChainSaaSSan Francisco, US

Mike Xu(CEO, , President)inYang WeiBrian Gallagher(Chief Of Staff)inJack Tao(CTO)Genevieve Wang(Product)Bryan Barsness(Vice President of Software Sales \u0026 Marketing)

Co-investorsAlumni VenturesBascom VenturesBattery VenturesBuilders + BackersCastor VenturesCeltic House Asia Partners+57 more

Heaviside Industriestheheaviside.comAug 2026 · $60M

Defense startup building multi-domain autonomous precision munitions across air, land, and sea for U.S. and allied forces.

Co-investorsFelicis VenturesMenlo VenturesAnorak VenturesCantos VenturesFriends Family CapitalHedosophia+2 more

Hydrahydra.soin𝕏Jun 2026 · $100MAcquired

Hydra provides analytics query execution for Postgres databases with separated compute resources, automatic scaling, and built-in caching, designed for time series and event data workloads across multiple deployment environments.

Data & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US

Joseph Sciarrino(Founder)inJD Dance

Co-investorsLightstone VenturesY Combinator10X Capital10x FoundersAntlerComcast Ventures+12 more

Hydra Hosthydrahost.comin𝕏

Hydra develops Brokkr, an operating system that enables independent data centers to operate AI Factories by providing shared infrastructure, customer access, and monetization tools on a unified network.

AI & Machine LearningCloud ComputingMiami, US

Aaron Ginn(Founder)inAriel Deschapell(Founder)inGarrett Johnson(Founder)in

BoardSteve Jang(Director)in

Co-investorsAccelerator VenturesComcast VenturesDeepwater Asset ManagementDisruptive VenturesGraph VenturesHustle Fund+12 more

Kolide1password.comin𝕏

1Password Enterprise Password Manager (EPM) is a zero-knowledge secrets manager that centralizes passwords, passkeys, SSH keys, API tokens, and AI agent credentials in encrypted, policy-governed vaults.

CybersecurityEnterprise SoftwareSaaS

Sara Teare(Founder)Roustem Karimov(Founder)inDave Teare(Founder)Jeff Shiner(Founder)Jeff Shiner (CEO)(Founder)Natalia Karimov(Founder)

Co-investorsAccelICONIQLightspeed Venture PartnersMatrixPrimary Venture PartnersSalesforce Ventures+4 more

Parasailparasail.ioin𝕏

Parasail provides AI inference compute on a flexible fleet that scales with usage, letting companies commit to output (tokens) rather than long-term hardware purchases.

AI & Machine LearningCloud ComputingData & InfrastructureDeep Tech

Mike Henry(Founder)inTim Harris(Founder)in

Co-investorsBanyan VenturesBasis Set VenturesEssentia VenturesIneffable VenturesKindred VenturesSamsung Next+2 more

Parasailparasail.network

A (Re)Staking layer for DePIN, providing a modular staking solution and DeFi use cases for staked tokens.

Co-investorsAGE CryptoGenerative VenturesSamsung NextTouring Capital

Positron AIpositron.aiin𝕏Jan 2026 · $230M

Positron builds purpose-built hardware and inference accelerator silicon for running Transformer-based generative AI models, offering inference appliances that map HuggingFace Transformers models onto the hardware and expose an OpenAI API-compliant endpoint.

AI & Machine LearningHardwareSemiconductorsLovelock, US

Thomas Sohmers(Founder)inBarrett Woodside(Founder)inEdward Kmett(Founder)inMitesh Agrawal(Executive Officer, Director)in

BoardRobert Reid(Director)

Co-investorsAloniqAsimov VenturesBanyan VenturesCaucasus VenturesCisco InvestmentsIneffable Ventures+16 more

Other

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

SupercloudU First Capital

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.