/Investor DB

Rolling Fun GP — Full Portfolio

44 tracked investments · listed companies and verified rows first

Aalo Atomicsaalo.comin𝕏

Aalo develops advanced nuclear reactor technology aimed at producing electricity at under 3 cents per kilowatt-hour.

Climate TechDeep TechEnergyHardwareAustin, US

Matt(Co-founder)inYasir(Co-founder)inYasir Arafat(CTO, President, & Cofounder)inMatt Loszak(CEO & Cofounder)in

Co-investorsAkkaAlumni VenturesAtaraxia CapitalBanca Investis — Family OfficeBasecamp FundBlack Flag+35 more

AstroForgeastroforge.comin𝕏

AstroForge is a space mining company that extracts platinum group metals and other valuable materials from asteroids to integrate into Earth's supply chains.

Advanced ManufacturingDeep TechHardwareNew MaterialsRoboticsSpace TechLos Angeles, US

Jose Acain(CTO)inMatt Gialich(CEO)inMatthew Gialich(Founder)Chanel Ross(Technical Recruiter)

BoardJustin Hamilton(Director)

Co-investorsAera VCAmbush CapitalBBQ CapitalEarthrise VenturesGaingelsIndustrious Ventures+24 more

Atom Limbsatomlimbs.comin

Atom develops artificial limbs using AI and neural interfaces to restore physical ability for people with limb loss.

AI & Machine LearningHealthtechMedical DevicesRobotics

Tyler Hayes(Founder)in

Co-investorsAntigravity CapitalFoundersJ4 Ventures

Atomic Industriesatomic.industriesin𝕏

Atomic Industries uses artificial intelligence and custom software to design plastic molds for manufacturing, enabling faster production of injection-molded parts for customers.

Advanced ManufacturingAI & Machine LearningRoboticsDetroit, US

Aaron Slodov(Founder)inAustin Bishop(COO)Lou Young Jr.(Founder)Lou Young(Head of Manufacturing)Paul Dilyard(Head of Product)Isaiah Taylor(Recruiter)

Co-investorsAcequia Capital (AceCap)Earthrise VenturesGaingelsImpatient VenturesIn-Q-TelJulian Capital+16 more

Cascade Spacecascadespace.comin𝕏Seed

Cascade Space develops software tools and infrastructure for designing, building, testing, and operating spacecraft communication systems.

Advanced ManufacturingDeep TechDeveloper ToolsHardwareSaaSSpace TechSan Francisco, US

Jacob Portukalian(CEO)inArlen Abraham(Founder)inEmma Nelson(Exec Assistant)

Co-investorsAurelia FoundryHAWKTAILMGV.VCPioneerTRAC (Third Round Analytics Capital)Undeterred Capital+13 more

Densitydensity.ioin𝕏

Density makes Waffle, a self-installable real-time radar sensor for anonymous people counting in rooms, phone booths, and desks.

HardwareIoTPropTechSan Francisco, US

Andrew Farah(Founder)inBrian Weinreich(Founder)Jordan Messina(Founder)Robert Grazioli(Founder)Steven VonDeak(Founder)

Co-investorsA-Rod CorpChapter OneGaingelsKleiner PerkinsLAUNCHLong Journey Ventures+8 more

Diracdiracinc.comin𝕏

Dirac builds BuildOS, a manufacturing execution platform that consolidates work instructions, routings, BOMs, quality, and tooling in one system and generates 3D animated build steps directly from CAD files.

Advanced ManufacturingAI & Machine LearningEnterprise SoftwareSaaSNew York, US

Filip Aronshtein(Founder)inPeter Weiss(Founder)

Co-investorsAcequia Capital (AceCap)Acre Venture PartnersAlumni VenturesAsymmetric Capital PartnersCoatue ManagementDeep Acre+7 more

Drivly API Firstdriv.ly

Driv.ly (Auto.dev) provides automotive data APIs for developers and AI agents, including VIN decoding, plate-to-VIN lookup, vehicle specifications, listings, pricing, recalls, and payment calculations.

AI & Machine LearningDeveloper ToolsMobility & Transportation

Co-investorsBehind Genius VenturesDetroit Venture PartnersExpansion Venture CapitalFontinalis Partners

Dynamoairdynamoair.com𝕏

Dynamo builds and operates autonomous tandem-rotor unmanned rotorcraft designed to lift heavy external loads (starting with a 10,000 lb class system) into remote or hard-to-reach locations, sold as a lift-on-demand service rather than as aircraft.

Deep TechLogistics & Supply ChainRobotics

Co-investorsMana VenturesSHORDeep Checks

FasterBetterfasterbetter.ai

Sixty offers an AI assistant that identifies priority items and handles routine communication and administrative tasks such as clearing inboxes, scheduling, drafting agendas, and preparing briefings.

AI & Machine LearningFuture of WorkSaaS

Gentlygently.com

Dallas, US

Elian Pres-Gurwits(Founder)inAnas Aljumaily(Founder)inKristen Dunning(Executive Officer, Director)

Co-investorsDorm RoomXG Ventures

Intalusintalustech.comin

INTALUS uses a patented ceramic infusion process to integrate ceramics into metal, creating engineered material architectures that resist wear without a surface boundary layer or delamination.

Advanced ManufacturingDeep TechNew MaterialsAshburn, US

Gene Skiba(Executive Officer, Director)in

BoardPeter Ostlund(Director)

Co-investorsOrigin VenturesScout VenturesScout Ventures

Longshotlongshotspace.comin𝕏

Longshot is developing reusable ground-based acceleration infrastructure that shifts more launch energy and systems onto the ground using compressed-light gas acceleration, aiming to lower the cost of hypersonic testing and space access.

Deep TechDefense TechSpace TechAlameda, US

Mike Gracein

Co-investorsActuate VenturesAurelia FoundryDraper AssociatesGaingelsMyelin VCSHOR+4 more

Los Angeles Projectbuilding.life𝕏

Building.life uses genetic engineering, genomic analysis, and AI to design novel organisms, beginning with engineering the world's first true unicorn through precision gene editing and embryonic development.

AI & Machine LearningBiotechDeep TechAustin, US

Josie Zayner PhD(Founder)Josette Zayner(Executive Officer, Director)

Co-investorsCompoundDraper AssociatesTransform Investments

Luminaluminatech.co

Lumina develops construction technology for building infrastructure including schools, roads, and homes in underserved communities.

Construction TechDeep Tech

Co-investorsAmplify CapitalGaingelsShadow VenturesSHORStarship VenturesVirta Ventures

Marathon Fusionmarathonfusion.comin𝕏Dec 2022

Marathon Fusion develops fuel cycle technologies for fusion energy, including neutron-driven transmutation to produce radioisotopes and gold, advanced pumping for tritium burn efficiency, and isotope separation for fusion and industrial applications.

CleantechDeep TechEnergyOakland, US

Adam Rutkowski(Founder)inKyle Schiller(Founder)in

Co-investorsCollaborative FundDivergent CapitalEarthrise VenturesÜbermorgen VenturesZero Knowledge1517

More on Lumolumo.agin𝕏

Lumo is a precision irrigation platform for specialty crop growers that automates scheduling, valve and pump control, and provides block-level monitoring of flow and pressure with real-time alerts and water-use reporting.

AgTechIoTSaaSSanta Rosa, US

John Hinnegan(Founder)

Co-investorsMSIVFall Line Capital

Omeomekitchen.comin𝕏

Ome makes smart knobs that retrofit onto existing stoves to prevent kitchen fires through automatic shut-off, remote monitoring, and cooking timers.

HardwareHealthtechIoTDurham, US

Akshita Iyer(Founder & CEO)in

Co-investorsigniteXL VentureTechstarsThird Act VenturesZane Venture FundLegendary Ventures, Llc.

Omellaomella.comin𝕏

Omella is a payment, forms, and signature management platform designed for high schools to streamline activities and fundraising operations.

EdTechEnterprise SoftwareFintechSaaSSports Tech

David KopfinBrett Kopfin

Co-investorsBling CapitalEdovate CapitalStand Together Ventures LabSocially Financed

Ourus Energyouros.energy

Ouros Energy is an American battery company that controls the full stack from mineral sourcing and cell chemistry through cell manufacturing and delivery.

Deep TechDefense TechEnergyNew Materials

Ethan Loosbrock(Founder)in

Co-investorsCollaborative FundJude GomilaMana Ventures

Positivepositive.coin𝕏

Positive manufactures and distributes fresh packaged salads and wholesome food products to grocery stores, hospitals, universities, and workplaces across California.

ConsumerFoodTechIoTLogistics & Supply ChainRetail TechLos Angeles, US

Schuyler Deerman(CEO)inJames Chan

Co-investorsFlucas VenturesGaingelsNextblueReshapeWayfinder VenturesWestern Technology Investment+6 more

Purapura.comin𝕏

Pura manufactures and sells smart home diffusers paired with a mobile app and marketplace that lets consumers select from over 300 premium fragrances and automate scent delivery.

ConsumerDirect to ConsumerHardwareIoTOrem, US

Richie Stapler(Executive Officer, Director)Bruno Lima(Founder)inRichie S.(Founder)inNate Walkingshaw(Director)

Co-investorsBreak Trail VenturesCampus Founders FundInterplay Ventures Early Stage Management LlcKickstartSandlot VenturesService Provider Capital+3 more

Reactivreactivapp.comin

Reactiv is a Shopify-native platform that enables ecommerce brands to build mobile commerce applications with native integrations across marketing, merchandising, orders, loyalty, support, and data infrastructure.

Developer ToolsE-commerceRetail TechSaaS

RossZackMike

Co-investorsBonfire VenturesRedbud VC

Seisseis.cominDefunct

Seis offers banking services conducted entirely in Spanish for Hispanic customers in the US.

FintechSalt Lake City, US

Trevor McKendrick(Founder)inJoshua HowlandinCraig Beirdneau(Recruiter)

Co-investorsPeterson VenturesShrug CapitalY CombinatorAlbum VCAlturas Capital, LLCBroom Ventures+17 more

SoLo Fundssolofunds.comin𝕏Oct 2018

SoLo Funds operates a community lending marketplace where individual members lend to and borrow from each other for short-term needs, with optional lender protection.

ConsumerFintechInsurTechMarketplacesCincinnati, US

Travis Holoway(Executive Officer, Director)inRodney Williams(Director)in

Co-investors100 Black Angels & Allies FundACME CapitalAlumni VenturesBackstage CapitalBregal InvestmentsBregal Sagemount+12 more

Solve Datasolve.io

Solve is a marketing automation platform that assembles reusable content blocks into personalized messages and automatically manages send frequency and timing for each customer.

AI & Machine LearningMarketing TechSaaS

Co-investorsAcurio VenturesArc AngelsBowery CapitalIcehouse VenturesOctave20VC+2 more

Stellstell-engineering.comin

Stell builds cloud-based software for managing requirements, traceability, and compliance on aerospace and defense programs.

Deep TechDefense TechEnterprise SoftwareSaaSSpace TechSan Francisco, US

Malory McLemore(Founder)in

Co-investorsFulcrum VenturePicks and Shovels (Picks & Shovels)Third PrimeUrban InnovationLong Journey VenturesWischoff Ventures

Terraform Industriesterraformindustries.com𝕏Mar 2026

Terraform Industries develops machines for gigascale atmospheric hydrocarbon synthesis, aiming to produce hydrocarbons from air to displace fossil fuel production.

CleantechClimate TechEnergyBurbank, US

CASEY HANDMER(Executive Officer, Director, Promoter)inCasey Handmer(Founder)in

Co-investorsClimate CapitalHyperguapMana VenturesMyelin VCBreakthrough Energy VenturesCocoa+3 more

Terran Roboticsterranrobotics.aiin𝕏

Terran Robotics builds AI-driven terraforming robots that construct residential and commercial buildings from earthen materials at a fraction of conventional construction costs.

Construction TechHardwarePropTechRoboticsBloomington, US

Zach Dwiel(Co-Founder, CEO & Chief Engineer)Danny Weddle(Co-Founder & Chief Design Officer)

Co-investorsDeep FutureSOSVThird DerivativeUnruly Capital

Tonic Audiotonicaudio.comin𝕏

Tonic Audio builds hardware and software tools for collaborative music production.

Creator EconomyHardwareMedia & EntertainmentReno, US

Allison Clift-Jennings(Co-Founder / CEO)Mike Jennings(Co-Founder / COO)inEthan Clift(Co-Founder / CMO)in

Co-investorsGaingelsTechstars

TripleBlindtripleblind.ai

TripleBlind develops privacy and security software using quantum-safe and cryptographic methods, with two main products: Privacy Suite for HIPAA-compliant sharing of protected health data and SecuriKey, a software-only security module addressing account takeover attacks.

CybersecurityDigital HealthSaaSKansas City, US

Riddhiman Das(Executive Officer, Director)Greg Storm(Executive Officer, Director)inAndrew Krowne(Director)in

BoardThad Langford(Director)in

Co-investorsAlumni VenturesClocktower VenturesDolby Family VenturesFlyover CapitalKCRise FundAccenture Ventures+5 more

Watoga Technologieswatoga.techin𝕏

Watoga provides technology-enabled services aimed at optimizing mining operations, reducing waste, and improving profitability for mining companies.

Deep TechEnterprise Software

Co-investorsSHORDISCIPULUS VENTURES

Weavechainweavechain.comin𝕏

Weavechain provides Web3 data infrastructure that adds security, privacy, lineage tracking, and economic incentives to data sharing by attaching to existing databases and acting as an API gateway.

AI & Machine LearningCrypto & Web3Data & InfrastructureEnterprise Software

Omar(Founder and CEO)

Co-investorsAccelAccelerator VenturesAsymmetric Capital PartnersParade Ventures

Zencastrzencastr.comin𝕏

Zencastr provides audio and video recording and editing tools for podcasters and content creators.

Creator EconomyMedia & EntertainmentSaaS

Josh Nielsen(Founder)inAdrian Lopez(Founder)in

Co-investors100x Entrepreneur FundForward Venture CapitalKickstartPath VenturesSupermorpheus

Other

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

AirshipAtlasinnovationsBlitzpanelGetchaptersModern EnergyNSIONOBSIDIAPortolaPrecigeneticsTideway Logistics

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.