Flume Ventures
Venture capitalActively deployingIncline Village · Seed–Series A · 2 people tracked
Also known as Flume Ventures Entrepreneurs · FLUME VENTURES MANAGEMENT, LLC
Investment thesis
Flume Ventures positions itself as an entrepreneur-led firm run by seasoned operators and founders who have built category-defining businesses. Rather than describing companies it backs as portfolio companies, Flume frames them as partners and emphasizes hands-on support: strategic guidance, high-value introductions, leveraging an extensive network, and acting like operators within the companies it works with. The firm stresses a collaborative, aligned relationship with founders and a focus on tools and platforms shaping the future of technology.
Source: firm website, verified Aug 25, 2026.
Team · 2 people
from public directoriesWhat they invest in
from 7 of 9 portfolio companiesAI & Machine Learning ×3Enterprise Software ×3SaaS ×3Cloud Computing ×2Data & Infrastructure ×2B2B Marketplaces ×1Cybersecurity ×1Deep Tech ×1
HQs:United States×5Canada×1
Investments · 9 tracked
founders shown can be your intro pathBy year:2026 · 42024 · 15 dated
Rize offers a program-sharing model that lets accredited colleges launch and update career-aligned academic programs using a shared consortium curriculum, with support for hybrid delivery.
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-investorsThrive Capital
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(Founder/CEO, , President)in
Co-investorsBascom VenturesBattery VenturesBuilders + BackersCastor Ventures (an Alumni Ventures Fund)Celtic House Asia PartnersDisruptive Ventures+20 more
Defense startup building multi-domain autonomous precision munitions across air, land, and sea for U.S. and allied forces.
Co-investorsFelicis VenturesMenlo VenturesAnorak VenturesFriends Family CapitalHedosophiaMVP Ventures
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)in
Co-investorsY Combinator10x FoundersComcast VenturesEra FundsFounders FundKindred Ventures+4 more
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(CEO)inGarrett Johnson(Executive Officer, Director)inAriel Deschapell(Executive Officer)in
BoardSteve Jang(Director)
Co-investorsAccelerator VenturesComcast VenturesGraph VenturesKindred VenturesLaunchBay CapitalLoup Ventures+8 more
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)in
Co-investorsAccelICONIQLightspeed Venture PartnersMatrixPrimary Venture PartnersSalesforce Ventures+1 more
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(Co-founder)inTim Harris(Co-founder)in
Co-investorsBanyan VenturesBasis Set VenturesIneffable VenturesKindred VenturesThreshold VenturesTouring Capital+1 more
Enterprise platform helping secure partnerships with Fortune 100 companies, led by Mitesh Agrawal as CEO.
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(Executive Officer, Director)inBarrett Woodside(Founder)Edward Kmett(Founder)inMitesh Agrawal(Executive Officer, Director)
BoardRobert Reid(Director)
Co-investorsAsimov VenturesBanyan VenturesCaucasus VenturesIneffable VenturesInvariantes FundNZVC+9 more
Portfolio news
latest coverage across their companies
Parasail · x.com · Aug 7, 2026
Positron AI · siliconvalleyinvestclub.com · Jul 10, 2026
Hydra Host · x.com · Jun 24, 2026
Hydra · theaiinsider.tech · Jun 24, 2026
GrubMarket · igrownews.com · Feb 3, 2026
Rize Education · reinhardt.edu · Apr 4, 2025
Frequently asked questions
- What stage does Flume Ventures invest at?
- Flume Ventures invests at the Seed, Series A stages.
- What sectors does Flume Ventures focus on?
- Flume Ventures focuses on Sector Agnostic.
- Where is Flume Ventures located?
- Flume Ventures is headquartered in Incline Village, US.
- Who does Flume Ventures co-invest with?
- Flume Ventures most often shares deals with Accel, ICONIQ, Lightspeed Venture Partners, among 7 tracked co-investors.
Similar investors
4DI Ventures was co-founded by repeat tech operator and ESET Southern Africa founder Justin Stanford, giving it unusually deep cybersecurity and software operating experience rather than a purely financial background, and originated from Stanford's own angel-investing experiments that directly led to both the firm's creation and the launch of the Silicon Cape Initiative. The firm explicitly describes its style as "nurture capital" with intensive, hands-on engagement, and Stanford is vocal about avoiding the "unicorn at all costs" mentality in African tech, instead emphasizing sustainable market readiness and fundamentals in a more conservative, durability-focused investment approach.
8VC is a venture capital firm investing across logistics, life sciences, healthcare, IT infrastructure, and government/defense, guided by its Smart Enterprise thesis focused on data integration and platform network effects.
Accel is a venture capital firm that partners with exceptional teams, positioning itself as a first partner to founders globally.
Accomplice is a venture capital firm that has backed early-stage companies across sectors, having been part of the origin stories of companies like AngelList, DraftKings, Patreon and WHOOP.
AirTree Ventures runs Pathfinders, a free four-week in-person program in Sydney for young builders (high-school graduates up to age 23) to work on a real product, access the AirTree team and founders, and build a peer network.









