Rebel Fund
Venture capitalSan Francisco · Pre-Seed–Series A · 12 people tracked
Also known as REBEL MANAGEMENT, LLC
Find your way into Rebel Fund
2,924 people in our graph share verified history with the Rebel Fund team — schools, employers, funds. One of them is your warm intro.
Investment thesis
Leveraging an elite network of Y Combinator alumni, this venture fund offers founders access to alumni connections and expertise as its primary differentiator.
Source: firm website, verified Sep 15, 2026.
Team · 12 people
from the firm's website & curated & public directories
Founder mafia
4 people who came through Rebel Fund went on to found or lead other companies.
What they invest in
from 85 of 95 portfolio companiesAI & Machine Learning ×55Enterprise Software ×51SaaS ×30Fintech ×23Developer Tools ×13Data & Infrastructure ×12Healthtech ×11Cybersecurity ×8
HQs:United States×57Canada×3United Kingdom×3India×3Nigeria×3Brazil×1
Who they back
founder profiles across 28 portfolio companiesFounding team size:solo founder×72 founders×103 founders×94+ founders×2
Where their founders studiedfrom 51 founders with education data
University of California, Berkeley ×5Carnegie Mellon University ×4Emory University ×4Babson College ×3Instituto Tecnológico de Buenos Aires ×3Columbia University ×2Cornell ×2Emory University - Goizueta Business School ×2
What their founders studiedfrom 47 founders with field-of-study data
Computer Science ×19Business & Management ×12Engineering ×9Economics ×5Life Sciences ×4
Where their founders worked beforefrom 53 founders with career history
Creative Destruction Lab ×2Onit ×2YPO ×2
Accelerator rootsportfolio companies that came through a program
5 founders hold a PhD · 6 hold an MBA (of 52 with degree data)
Investments · 95 tracked
founders shown can be your intro pathBy year:2026 · 82025 · 122024 · 12023 · 82022 · 62021 · 237 dated
Openmart provides a verified database of 50,000+ real estate investors across the United States, including investment firms, property investors, and syndicates, with enriched contact data for B2B sales and marketing teams.
AI & Machine LearningB2B MarketplacesData & InfrastructureEnterprise SoftwareSaaSSales TechSan Francisco, US
Richard He(Founder)inKathryn Wu(Founder)in
Co-investorsY CombinatorAfore CapitalJ17 CapitalMyAsiaVCTRAC (Third Round Analytics Capital)
Openmart is an AI-powered platform that automates lead discovery, contact enrichment, and sales outreach preparation for businesses targeting local retailers and SMBs.
AI & Machine LearningData & InfrastructureSaaSSales Tech
Kathryn Wu(Co-founder)inRichard He(Co-founder)in
Co-investorsAfore CapitalY CombinatorBrighter CapitalImagination CapitalJ17 CapitalTRAC (Third Round Analytics Capital)+1 more
Scanbase designs and implements tailored algorithm solutions for medical diagnostic companies to optimize diagnostic workflows, improve product quality, and reduce costs.
AI & Machine LearningEnterprise SoftwareHealthtechMedical DevicesLos Angeles, US
Jeffrey Lange(Founder)inSteve Roger(Founder)in
Co-investorsY CombinatorLobster CapitalTRAC (Third Round Analytics Capital)
Superagent provides autonomous security research to identify, fix, and disclose software vulnerabilities in code and AI agents.
AI & Machine LearningCybersecurityDeveloper ToolsEnterprise SoftwareSan Francisco, US
Alan Zabihi(Founder)inIsmail Pelaseyed(Founder)in
Co-investorsY Combinator
AccessOwl is an access governance and identity management platform that automates SaaS access administration tasks like employee onboarding, offboarding, and access reviews.
CybersecurityData & InfrastructureEnterprise SoftwareSaaSBerlin, DE
Philip Eller(Founder)inMathias Nestler(Founder)in
Co-investorsY Combinator
Advanced Metal Research manufactures robotic welding systems equipped with computer vision for real-time seam tracking and post-weld inspection, converting manual welding into an automated, learning-based manufacturing process.
Advanced ManufacturingHardwareRoboticsLos Angeles, US
Angus Muffatti(Founder/CEO)inJulian Fried(Founder)inStephen Lin(Founder)in
Co-investorsY Combinator
Aegis provides a platform to healthcare providers and hospitals that automates insurance denial appeals and resubmissions to recover lost revenue.
Enterprise SoftwareHealthtechSaaSSan Francisco, US
Krishang Todi(CEO & Co-Founder)inAarav Bajaj(Founder)inDhanya Shah(Founder)in
Co-investorsY Combinator
Agentic Labs provides a context engine and code knowledge base platform for AI teams to manage code, organize data, optimize prompts, and improve model performance through evaluation and reinforcement learning.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareNew York City, US
Maksim Ivanov(Founder)in
Co-investorsTranspose Platform ManagementY Combinator
AgentPhone provides phone numbers for artificial intelligence agents, enabling them to communicate with people and businesses via voice calls and text messages.
Data & InfrastructureEnterprise SoftwareSan Francisco, US
Manav Modi(Founder)inMeet Modi(Founder)in
Co-investorsPerceptive Ventures Management Company, LlcY Combinator
Airbyte provides a context layer for agents and pipelines, enabling data connectivity and integration solutions.
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US
Michel Tricot(Co-Founder & CEO)inJean Lafleur(Co-Founder & COO)inJean (John) Lafleur(Co-Founder and COO)in
BoardChetan Puttagunta(Benchmark partner and board member)
Co-investors8VCAccelCoatue ManagementFlex Capital PartnersKima VenturesStandard Capital+6 more
AiSDR is an AI sales agent that automates outbound sales emails and books meetings for B2B companies.
AI & Machine LearningEnterprise SoftwareSaaSSales TechSan Francisco, US
Yuriy Zaremba(Founder/CEO)inOleg Zaremba(Founder)in
Co-investorsY CombinatorAngel OneFlyer One VenturesSID Venture PartnersBluePointe Ventures
AIVideo.com provides video production services powered by AI technology for clients seeking automated or accelerated content creation.
Enterprise SoftwareSan Francisco, US
Justin Harvey(Founder)inEduardo Faraday(Founder)inOrestis Lykouropoulos(Founder)in
Co-investorsAlumni VenturesBasecamp FundBlue Wire CapitalCorteza CapitalTq Ventures LlcY Combinator
Alga Biosciences develops feed additives that reduce methane emissions from cattle — cutting cow burps to combat climate change.
Advanced ManufacturingAgTechBiotechClimate TechSan Francisco, US
Alex Brown(Co-founder and CEO)inDaria Balatsky(Founder)inCaroline McKeon(Founder)inAlexander Brown(Founder)in
Co-investorsY CombinatorDay One VenturesAngel Collective Opportunity FundCollaborative FundCool Climate CollectiveHelium-3 Ventures+4 more
Algen Biotechnologies discovers and develops small molecule therapeutics for cancer and inflammatory diseases using CRISPR, RNAi, and machine learning to decode functional gene networks and predict drug responses.
AI & Machine LearningBiotechDeep TechHealthtechMedical DevicesSan Francisco, US
Chun-Hao Huang(Founder)inChristine Du(Founder)inJennifer DoudnaDr. Jeff Whitten(Chief Scientific Officer)
Co-investorsCota CapitalDraper AssociatesY Combinator
Almond builds Axol, a dual-arm robot designed for developers and builders working on physical AI applications, offering precise real-world manipulation with high reach, range of motion, and load capacity.
AI & Machine LearningHardwareRoboticsSan Francisco, US
Co-investorsRebellion Ventures
Develops alternative textile materials to replace polyester and reduce the fashion industry's plastic consumption and carbon emissions.
Advanced ManufacturingBiotechCircular EconomyClimate TechNew MaterialsToronto, CA
Myra Arshad(Founder)inAvneet Ghotra(Founder)in
Co-investorsAmplify CapitalBeresford VenturesCreative Destruction Lab (CDL)Garage CapitalIT-Farm CorporationPanache Ventures+3 more
Anara is an AI platform designed for scientific research that searches document libraries and the web, summarizes findings with automatic citations, and helps researchers write with verified sources.
AI & Machine LearningDeep TechEnterprise SoftwareFuture of WorkSaaSSan Francisco, US
Naveed Janmohamed(Founder)in
Co-investorsTRAC (Third Round Analytics Capital)Transpose Platform ManagementY CombinatorKfW
Anchor builds compliance and security solutions for financial services, providing guardrails and protective measures to help customers maintain regulatory compliance.
CybersecurityFintechLagos, NG
Segun Adeyemi(Founder)inGBEKELOLUWA OLUFOTEBI(Founder)inOlamide Sobowale(Founder)in
Co-investorsY CombinatorDigital Currency GroupBlumberg CapitalByld VenturesGradient VenturesNiche Capital+1 more
Andco provides AI-powered case management software for personal injury law firms, automating document retrieval, medical record collection, insurance claim processing, and demand letter preparation from intake through settlement.
AI & Machine LearningEnterprise SoftwareLegalTechSaaSSan Francisco, US
Ryan Xue(Founder, CEO)inDavid Lee(Founder)inMichael Lemm(Founder)in
Co-investorsY Combinator
Andromeda Surgical develops an AI-guided surgical platform that provides GPS-like navigation and autonomous task capabilities to surgeons, starting with endourology procedures.
AI & Machine LearningHealthtechMedical DevicesRoboticsSan Francisco, US
Nick Damiano(Founder)inKartik Tiwari(Founder)in
Co-investorsEarl Grey CapitalNorth South VenturesNZVCPhaze VenturesRoar VenturesStandard Capital+10 more
Anfin is a mobile investment platform that enables users to invest and earn returns, offering an AI-powered investment assistant called Anah to help optimize investment decisions.
FintechHo Chi Minh City, VN
Phuoc Tran(Founder)in
Co-investorsSprint VcY CombinatorAccelAngelHubEQT VenturesFinTech Collective+6 more
Ångström AI develops AI-powered physics simulations for pharmaceutical drug discovery, computing molecular properties like solubility, lipophilicity, and crystal structure stability to replace traditional lab experiments.
AI & Machine LearningBiotechDeep TechHealthtechSan Francisco, US
Jose Miguel Hernandez Lobato(Founder)inLaurence Midgley(Founder)in
Co-investorsCleo CapitalIA Seed VenturesTranspose Platform ManagementY Combinator468 CapitalZeno Ventures
Apolink provides on-demand satellite communications infrastructure, enabling real-time telemetry and command links for space operators managing satellites for applications including disaster response, wildfire detection, and intelligence gathering.
Advanced ManufacturingDeep TechEnterprise SoftwareSpace TechSan Francisco, US
Onkar Batra(Founder)in
Co-investorsY Combinator468 CapitalJump CryptoMaC Venture CapitalUnshackled Ventures
Metal is an AI-driven platform that helps startup founders raise venture rounds by researching and surfacing well-matched investors, mapping warm-intro paths, and managing fundraising pipelines with meeting intelligence and coaching.
AI & Machine LearningFintechSaaS
Archon provides compliance services that accelerate the federal authorization process for software vendors selling to government agencies, reducing typical timelines and associated expenses.
CybersecurityGovTechSan Francisco, US
George Parks(Founder and CEO)in
Co-investorsY Combinator
Arist delivers entrepreneurship education courses to high school students in conflict zones.
AI & Machine LearningEdTechEnterprise SoftwareHR TechImpact & Social GoodNew York City, US
Michael Ioffe(Founder)inRyan Laverty(Founder)in
Co-investorsAcadian Ventures Management, LlcEmles Venture PartnersNeer Venture PartnersY CombinatorPeakspanRainfall Ventures
Armilla AI is a managing general agent offering liability coverage, performance warranties, and risk assessments for AI systems.
AI & Machine LearningData & InfrastructureEnterprise SoftwareFintechInsurTechToronto, CA
Dan Adamson(Founder)inKarthik Ramakrishnan(Founder)inBaiju Hasmukhrai Devani(Executive Officer, Director)
BoardRaif Barbaros(Director)in
Co-investorsBeresford VenturesBetaworksCreative Destruction Lab (CDL)Differential VenturesMistral Venture PartnersMS&AD Ventures+5 more
Array Labs develops radar technology for aerospace and other leading industries.
Advanced ManufacturingDeep TechDefense TechHardwareSpace TechSan Francisco, US
Andrew Peterson(Founder)inJose Isaac Robledo(Founder)in
Co-investorsACVC PartnersAera VCClearance Venture PartnersDellin InvestmentsK Street CapitalKOMPAS VC+13 more
Atla provides debugging and monitoring tools for AI agents, using LLM-based evaluation to identify error patterns in agent behavior and suggest targeted improvements.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareLondon, GB
Maurice Burger(Founder)inRoman Engeler(Founder)in
Co-investorsY Combinator
Aviron manufactures interactive fitness equipment including rowing machines, exercise bikes, and treadmills that incorporate game elements and streaming entertainment to motivate workouts.
ConsumerGamingHardwareWellness & FitnessToronto, CA
Andy Hoang(Founder)in
Co-investorsBehind Genius VenturesBrighter CapitalSamsung NextY CombinatorGlobal Founders CapitalStripes
Axle provides instant access to insurance data for fleet managers, asset lenders, and gig platforms, allowing them to verify coverage and reduce risk in seconds rather than hours.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareFintechInsurTechNew York City, US
Cameron Duncan(Co-Founder & CEO)inNihar Parikh(Co-founder & CTO)inArmaan Sikand(Founder)in
Co-investorsBLH Venture Partners, LLCGradient VenturesY CombinatorAccelEnergize CapitalPICUS CAPITAL
Axle Health provides a logistics and scheduling platform for home health care providers that optimizes clinician routing, staffing decisions, and patient coordination through real-time data and predictive forecasting.
AI & Machine LearningDigital HealthHealthtechLogistics & Supply ChainSaaSLos Angeles, US
Adam Stansell(Founder)in
Co-investorsF-Prime CapitalLightbankTRAC (Third Round Analytics Capital)Y CombinatorPear VC
Bamboo is an investment platform that enables users in Africa to invest in U.S. stocks, ETFs, real estate investment trusts, and other asset classes with minimum investments starting at $10.
FintechLagos, NG
Richmond Bassey(Founder)inYanmo Omorogbe(Founder)in
Co-investors2080 VenturesAjim CapitalExpansion Venture CapitalGreycroftHoaQIngressive Capital+9 more
Indian matrimony and matchmaking app that helps users find genuine and verified profiles for marriage.
ConsumerMarketplacesSocialBengaluru, IN
Pawan Gupta(Founder)in
Co-investorsEmles Venture PartnersY CombinatorCathexis VenturesFinSight VenturesLeonis InvestissementS2 Capital+1 more
Cactus automates lead response and customer re-engagement for home service businesses, ensuring calls are answered within 60 seconds and dormant CRM contacts are converted into repeat bookings.
AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US
Ajith Govind(Co-Founder & CEO)inAvinash Joshi(Co-founder & CTO)in
Co-investorsY CombinatorAccess Venture PartnersPelion Venture PartnersWellington Management
Cactus Compute provides an on-device AI runtime for speech, vision, and text models that automatically routes between on-device and cloud inference based on complexity and audio quality.
AI & Machine LearningCloud ComputingDeveloper ToolsEnterprise SoftwareSan Francisco, US
Roman Shemet(Founder)inHenry Ndubuaku(Founder)in
Co-investorsAntigravity CapitalTranspose Platform ManagementY CombinatorPelion Venture PartnersWellington Management
Capi Money provides cross-border payment services for importers in emerging markets, enabling them to pay suppliers in multiple currencies with settlement within 24 hours.
FintechLondon, GB
Mitch Riley(Co-founder / CEO)inScott Liddle(Founder)inMitchell James Riley(Executive Officer, Director)Thomas Watson(Director)
Co-investorsfirstminute capitalKima VenturesMusha VenturesSouth QuadY CombinatorCreandum+1 more
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Caseflood.ai provides intake software for high-end law firms, helping them manage client onboarding and case intake processes.
AI & Machine LearningEnterprise SoftwareLegalTechSan Francisco, US
Ethan Hilton(Founder)inTolen Schreid(Founder)in
Co-investorsTranspose Platform ManagementValia VenturesY CombinatorAmino CapitalElevation Capital
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Cedalio builds AI agents for accounts payable and procurement that automate invoice processing, validation, and fiscal compliance across multiple workflows.
AI & Machine LearningEnterprise SoftwareFintechSan Francisco, US
Luciana Reznik(Founder)inNico Magni(Founder)inGuido Marucci Blas(Founder)in
Co-investorsDiaspora VenturesY CombinatorNewtopia VC
Circleback is an AI-powered meeting assistant that automatically generates notes, captures action items, and enables search across recorded conversations.
AI & Machine LearningEnterprise SoftwareFuture of WorkSan Francisco, US
Ali Haghani(Founder)inKevin Jacyna(Founder)in
Co-investorsEntrepreneur VenturesGrotech VenturesTranspose Platform ManagementY CombinatorNeo
Clinikally develops and sells dermatology-backed skin and hair care products for Indian consumers, complemented by online consultations with dermatologists.
Digital HealthE-commerceHealthtechMedical DevicesWellness & FitnessGurugram, IN
Arjun Soin(Founder)in
Co-investorsAmino CapitalEntrepreneur VenturesTRAC (Third Round Analytics Capital)WorldQuant VenturesY CombinatorYes VC+5 more
Confident Security provides a privacy-focused inference API and SDK for running AI models on confidential data, using confidential computing and an architecture based on the source-available OpenPCC (modeled on Apple's Private Cloud Compute).
AI & Machine LearningCybersecurityEnterprise Software
Jonathan Mortensen, PhD(Founder)in
Co-investorsEx/AnteJanuary CapitalLiquid VenturesVermilion Cliffs VenturesY Combinator
Confident AI is a platform for evaluating, monitoring, and governing AI systems in production.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareSan Francisco, US
Jeffrey Ip(CEO & Cofounder)inKritin Vongthongsri(Co-Founder)in
Co-investorsVermilion Cliffs VenturesY CombinatorJanuary CapitalLiquid Ventures
Corgi is an AI-native, full-stack insurance platform that serves technology companies.
AI & Machine LearningEnterprise SoftwareFintechInsurTechSaaSSan Francisco, US
Nico Laqua(Founder)inEmily Yuan(Founder)inNicolas Laqua(Executive Officer, Director)
BoardAlexander Wortmann(Director)inOliver Jung(Director)
Co-investorsOrange CollectiveY CombinatorAlumni VenturesContraryFIRST ORDERGlade Brook Capital Partners+8 more
Corvera builds a context layer for AI-native consumer packaged goods (CPG) brands that unifies existing brand data and makes it accessible to AI tools via MCP protocol.
AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US
Christopher Kong(Founder)inDirk Breeuwer(Founder)inMatthew Collins(Founder)in
Co-investorsfirstminute capitalY Combinator20VC6 Degrees CapitalDuke Capital Partners
Cozmo builds AI agents that automate property and casualty insurance claims processing end-to-end, from initial call through settlement.
AI & Machine LearningEnterprise SoftwareInsurTechSan Francisco, US
Alok Kumar(Co-founder and CEO)inNuha Hashem(Co-founder and CTO)in
Co-investorsY CombinatorDubai Future District FundGoodwater Capital
Deasy Labs automates the transformation of unstructured data into AI-ready structured data through a context engine that handles discovery, tagging, filtering, and enrichment.
AI & Machine LearningData & InfrastructureEnterprise SoftwareNew York City, US
Reece Griffiths(Founder)inMikko Peiponen(Founder)inLeonard Platzer(Founder)in
Co-investorsJ12 VenturesY CombinatorGeneral CatalystRTP Global
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Didit provides identity verification and KYC/KYB infrastructure for organizations worldwide, offering a programmable API with real-time fraud detection, deepfake protection, and support for 48+ languages.
CybersecurityData & InfrastructureEnterprise SoftwareFintechSan Francisco, US
Alberto Rosas(Founder)inAlejandro Rosas(Founder)inDavid Paschkes(Executive Officer, Director)
Co-investorsY CombinatorLobster CapitalOrange CollectiveRoar Ventures
Dili provides AI-powered compliance automation for developers and engineering, procurement, and construction (EPC) firms managing federally funded projects in construction, energy, and infrastructure.
AI & Machine LearningConstruction TechGovTech
Co-investorsAmino CapitalKhosla Ventures
Enable Us provides buyer enablement capabilities that allow customers to view tailored content, get answers, and make purchases.
AI & Machine LearningEnterprise SoftwareSaaSSales TechSan Francisco, US
Jinal Jhaveri(CEO & Co-founder)inAdam Pearson(Sales & Co-founder)inAndrey Bolaños(CTO & Co-founder)inGalen Li(CPO & Co-founder)inLynn Pietryga(CCO)
Co-investorsRuna CapitalY CombinatorFresco CapitalGlobal Founders CapitalHack VC
Fastgen provides a drag-and-drop platform for building custom APIs and data workflows, with an integrated PostgreSQL database that handles data operations for applications.
Developer ToolsEnterprise SoftwareHealthtechNew York City, US
Mike Mahlkow(Founder)inDavid Nordhausen(Founder)inConstantin Schreiber(Founder)inMichael Chi Kin Cheng(Executive Officer, Director)Albert Wing-Kin Tam(Executive Officer, Director)Paul J. Tauber(Executive Officer)
Co-investorsY Combinator468 CapitalRainfall Ventures
First Legal Investigations is a licensed detective agency providing investigation services to legal professionals, insurance companies, municipalities, corporate clients, and individuals.
LegalTechLos Angeles, US
Alex Martinezin
Co-investorsAurora CapitalAcquisition.comAmino CapitalElevation CapitalValia VenturesY Combinator
Freya is an AI-powered voice platform that manages inbound and outbound customer service calls in multiple languages, with applications in sales, support, debt collection, and appointment scheduling.
AI & Machine LearningEnterprise SoftwareFintechSaaSSan Francisco, US
Tunga Bayrak(Founder)inTomas Nepala(Founder)in
Co-investorsDOMiNO VenturesY Combinator
Great Question is a UX research platform that combines participant recruitment, study management, mixed-method research capabilities, and AI-powered analysis in a single system.
Developer ToolsEnterprise SoftwareMarketing TechSaaSSan Francisco, US
Ned Dwyer(Founder / CEO)inPJ Murray(Founder)in
Co-investorsFundersClubImmeasurableInovia CapitalNOMO VenturesY CombinatorAmplify.LA+16 more
Honeydew provides a semantic layer for enterprise data warehouses that unifies business logic and context across AI agents and business intelligence tools.
AI & Machine LearningData & InfrastructureEnterprise SoftwareSaaSTel Aviv-Yafo, IL
David Krakov(Founder)inBaruch Oxman(Founder)inLiron Slonimsky-Shemy(Founder)in
Co-investorsATOORO FUNDHoneystone VenturesTal VenturesY CombinatorSnowflake Ventures
Krave Mart operates an online retail marketplace in Pakistan that delivers everyday consumer goods to customers with rapid delivery.
B2B MarketplacesConsumerE-commerceFoodTechLogistics & Supply ChainKarachi, PK
Kassim Shroff(Founder)inCh Haziq Ahmed(Founder)inHammad Bawany(Founder)inMohammad Ahsan Kidwai(Founder)in
Co-investorsAmaana CapitalCats.vcKube VCMSA NovoSaison CapitalY Combinator+4 more
Lyra is an AI-native meeting platform that runs video calls in the browser, transcribes each participant individually, prepares pre-meeting research, and automatically takes post-call actions such as updating CRMs, sending follow-up emails, and notifying teammates.
AI & Machine LearningFuture of WorkSaaSSan Francisco, US
Courtne Marland(Co-Founder & CEO)inHenry Kwon(Co-Founder & CTO)in
Co-investorsFjor FoundersLobster CapitalTranspose Platform Management468 CapitalCoatue ManagementSalesforce Ventures+1 more
Modelence is an AI-powered app builder that generates production-ready, full-stack web applications from natural language prompts, including authentication, database, and deployment.
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US
Aram Shatakhtsyan(Co-Founder & CEO)inEduard Piliposyan(Co-Founder & CTO)in
Co-investorsVocal VenturesY CombinatorAcacia Venture Capital PartnersZeno Ventures
Nuha makes Teddy, a plush companion toy with an embedded conversational AI that listens, talks, and remembers interactions over time.
AI & Machine LearningConsumerHardware
Co-investorsMoth FundDubai Future District FundGoodwater Capital
OffDeal is an AI-powered investment bank that provides M&A advisory services to small business owners seeking to exit their businesses.
AI & Machine LearningEnterprise SoftwareFintechNew York City, US
Ori Eldarov(Founder)inAlston Lin(Founder)in
Co-investorsCentre Street PartnersRadical VenturesY CombinatorRed Swan Ventures
Orbital Ops develops propulsion systems and related aerospace hardware for airborne vehicles.
Advanced ManufacturingDeep TechDefense TechHardwareSpace TechLos Angeles, US
Ben Schleuniger(Founder)inRoss Doherty(Co-Founder & COO)inHunter
Co-investorsBlack FlagGoAhead VenturesOlive Tree CapitalTRAC (Third Round Analytics Capital)Y CombinatorHarpoon Ventures+2 more
Outset is an AI-powered research platform that combines conversational AI, behavioral intelligence, and emotional analysis to conduct moderated research interviews and synthesize consumer insights at scale across multiple languages and countries.
AI & Machine LearningData & InfrastructureEnterprise SoftwareMarketing TechSaaSSan Francisco, US
Aaron Cannon(Founder)inMichael Hess(Founder)in
Co-investors8VCAdverb VenturesMute VenturesRadical VenturesRitual CapitalY Combinator+4 more
Payflow builds Luca, an AI-powered financial planning and analysis tool that generates insights, reports, and forecasts for executives.
Enterprise SoftwareFintechSaaSNew York City, US
Wil Eyi(Founder)inJose Pons Vega(Founder)in
Co-investorsY CombinatorCathay InnovationForce Over Mass Capital
Payflow is a financial wellness platform for employers that enables employees to access earned wages on demand instantly and provides flexible compensation benefits through a mobile app and card.
Enterprise SoftwareFintechHR TechSaaSMadrid, ES
Avinash Sukhwai(Founder)inBenoit Menardo(Founder)inBenoist Menardo(Executive Officer, Director)
BoardCedric Asselman(Director)Elisabet Faus Morros(Director)
Co-investorsCarolus InvestCathay InnovationCats.vcCusp CapitalExtension FundRocket Internet SE+5 more
Peakflo is a SaaS platform that automates financial operations workflows for B2B businesses, including invoice-to-cash, procure-to-pay, travel and expense reimbursement, and general operations.
AI & Machine LearningEnterprise SoftwareFintechSaaSSingapore, SG
Saurabh Chauhan(Founder)inDmitry Vedenyapin(Founder)in
Co-investorsEntrepreneur FirstY CombinatorAmino CapitalGlobal Founders CapitalSoma CapitalXA Network
Perseus Defense builds autonomous defense systems.
Advanced ManufacturingAI & Machine LearningDefense TechHardwareRoboticsAustin, US
Jason Cornelius(Co-Founder, CEO)inSteve Messinger(Co-Founder, CTO)in
Co-investorsBow CapitalLobster CapitalOlive Tree CapitalY CombinatorAlumni Ventures
Pickle is a peer-to-peer fashion rental marketplace based in NYC that lets users rent, lend, and resell clothing and accessories from each other's closets.
Julia O'Mara(Founder)Brian McMahon(Founder)in
Co-investorsFirstMark CapitalTamarak CapitalBurst CapitalCraft VenturesFJ LabsHyperplane Venture Capital+4 more
Rocketable acquires software businesses and automates their operations by replacing human staff with AI agents across functions; the company develops tools to coordinate these agents toward shared business objectives.
Enterprise SoftwareSan Francisco, US
Alan Wells(Founder)in
Co-investorsSeaplane VenturesY Combinator468 CapitalBloomberg BetaTrue Ventures
Ruvo provides a mobile app for Brazilian users to send, spend, and save money across USD, BRL, and USDT with no markups or hidden spreads.
Crypto & Web3FintechSão Paulo, BR
Alec Howard(Co-Founder & CEO)inMichael Mason(Founder)inJoão Alvarenga
Co-investorsCoinbase VenturesY Combinator1confirmationFirst Check VenturesMission Street Capital
SaveIN operates a marketplace connecting Indian patients with nearby healthcare providers and offers installment payment plans for medical services.
FintechHealthtechMarketplacesWellness & FitnessDelhi, IN
Jitin Bhasin(Founder)inGaurav Luthra(Founder)in
Co-investorsFlucas VenturesKube VCY Combinator10x Founders10x GroupGoodwater Capital+3 more
Shekel Mobility is a B2B marketplace and management system that provides auto dealerships with financial services (including credit facilities), operational automation, and cross-border transaction capabilities across emerging markets.
B2B MarketplacesFintechMobility & TransportationLagos, NG
Benjamen Oladokun(Founder)inValentine Mayaki(Founder)inSanmi Olukanmi(Founder)inSeun Okunfolami(Chief Product Officer)in
Co-investorsCross Culture VenturesMaC Venture CapitalVentures PlatformY CombinatorUnpopular Ventures
Sohar Health is a front-end revenue cycle management platform that uses technology and machine learning to automate insurance claims processing for healthcare providers.
AI & Machine LearningDigital HealthEnterprise SoftwareHealthtechNew York City, US
Dr Ashish Mandavia MD(Founder)inLucas Gordon(Founder)inAshish Mandavia(MD)in
Co-investorsKindred CapitalRLC VenturesY CombinatorCharacterGeneral Catalyst
An AI audio lab building tools that enable music lovers and casual creators to compose and shape music.
AI & Machine LearningConsumerCreator EconomyMedia & EntertainmentSan Francisco, US
Ryan Tremblay(Founder)inHayden Housen(Founder)in
Co-investorsY Combinator
Sphinx builds AI agents that help banks and fintech companies detect fraud and verify identities during customer onboarding, replacing manual compliance processes and catching synthetic identities and deepfakes.
AI & Machine LearningCybersecurityEnterprise SoftwareFintechSan Francisco, US
Alexandre Berkovic(Co-founder and CEO)inChrisjan Wust(Co-founder and CTO)in
Co-investorsCherry VenturesY Combinator
Sphinx is an AI data governance platform that sits between a company's AI tools and its data stack to validate AI queries, correct errors, and enforce consistent metric definitions with full output lineage.
AI & Machine LearningData & InfrastructureEnterprise SoftwareNew York City, US
Jamie B(Founder)Rohan Kodialam(Founder)in
Co-investorsImpatient VenturesPoint72 VenturesCherry VenturesY Combinator
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Sphinx Labs builds AI agents that perform compliance work such as onboarding checks, watchlist screening, risk scoring, and alert resolution by logging into a team's existing systems and clicking and typing like a human analyst.
AI & Machine LearningCybersecurityEnterprise SoftwareFintech
Alexandre Berkovic(Founder)in
Co-investorsSterling RoadCherry VenturesY Combinator
Syncly is an AI-native platform that monitors brand mentions and sentiment across video social platforms like TikTok, Reels, and Shorts, and identifies creators for influencer marketing campaigns.
AI & Machine LearningEnterprise SoftwareMarketing TechSaaSSocialSan Francisco, US
Joseph Lee(Founder)inJongsoo Keum(Founder)inKwan Yoon(Founder)inAlex Hongin
Co-investors500 GlobalY CombinatorFast VenturesSBVA
Talentropy.ai provides an AI system that conducts candidate interviews and assessments in multiple languages, allowing companies to evaluate their full applicant pool while reducing hiring team effort.
AI & Machine LearningEnterprise SoftwareHR TechSaaSBogotá, CO
Ruben Cordoba(Founder)in
Co-investorsY CombinatorMAGIC Fund
TaxGPT provides tax information access and services to individual taxpayers and businesses.
AI & Machine LearningEnterprise SoftwareFintechLegalTechSaaSSan Francisco, US
Kashif Ali(Co-founder and CEO)inIsabella Maceda-Ali(Founder)in
Co-investorsConvergeOrange CollectiveTRAC (Third Round Analytics Capital)Y Combinator468 CapitaliSeed Ventures+3 more
Trigger.dev is an open source platform for building and running AI agents and workflows using TypeScript, with built-in support for long-running tasks, automatic retries, job queues, monitoring, and auto-scaling infrastructure.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSLondon, GB
Matt Aitken(Founder)inEric Allam(Founder)inDan Patel(Founder)inJames Ritchie(Founder)in
Co-investorsStandard CapitalWayfinder VenturesY CombinatorLiquid Ventures
TrueClaim provides a modern insurance platform designed to reduce administrative errors and claims processing failures.
HealthtechInsurTechSan Francisco, US
Barbora Howell(Founder)inBobby Bayer(Founder)in
Co-investorsHeadwater VenturesKAYAThe MBA FundY CombinatorOrange Collective
Unpopular Ventures (UV) is an early-stage venture capital firm that invests in startups across sectors globally.
Sector Agnostic
Peter Livingston(Founder)in
Co-investorsPeakAfore CapitalAmino CapitalCIVGeneral AdvanceGoAhead Ventures+4 more
Uplane is an AI-powered platform for performance marketing that automates the generation of personalized ads and landing pages, campaign launches, and budget allocation across channels.
AdTechAI & Machine LearningEnterprise SoftwareMarketing TechSaaSSan Francisco, US
Julius Körfgen(Co-Founder & CEO)inMarvin Abdel-Massih(Founder)inLukas Vollmer(Founder)inJulius Korfgen(Founder)in
Co-investorsPlay VenturesY Combinator20VC
Vantel provides AI-powered tools to insurance brokers for analyzing policies, comparing quotes, and identifying coverage gaps across their client portfolios.
AI & Machine LearningFintechInsurTechSaaSStockholm, SE
Love Redin(Founder)inUlme Wennberg(Founder)in
Co-investorsY CombinatorInception Fund
Vellum builds AI development tools and platforms for teams building AI applications.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareFuture of WorkNew York City, US
Akash Sharma(Founder)inSidd Seethepalli(Founder)inNoa Flaherty(Founder)in
Co-investorsEastlink Capital PartnersY CombinatorAcrew CapitalFlourish VenturesLeaders FundSocii Capital+1 more
Veritus builds compliant AI voice, SMS, email, and chat agents that operate across the consumer loan lifecycle, from re-engaging dropped applications and handling servicing inquiries to contacting early-delinquent borrowers and negotiating payments.
AI & Machine LearningFintechSaaS
Joseph Stein(Founder)in
Co-investorsNeer Venture Partners468 CapitalCedar CapitalCrosslink CapitalEmergence CapitalThreshold Ventures
Wavedash is a web-based gaming platform that runs games natively in browsers without downloads or installs, enabling instant multiplayer by sharing a link.
AI & Machine LearningCloud ComputingConsumerDeveloper ToolsGamingSaaSSan Francisco, US
Kyler Blue(Co-Founder & CEO)inRaymond (George) Kennedy(Founder)inMatthew Portner(Founder)in
Co-investorsBrainstorm VenturesFloodgateY CombinatorAdvancit CapitalGriffin Gaming PartnersLowercase Capital+1 more
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
AlbedoAleph SolutionsAlmondAmilozArcaneArcane (W24) Arcane (W24)Bend
Portfolio news
latest coverage across their companiesUnpopular Ventures · fintechfutures.com · Aug 28, 2026
Corgi Insurance · nubiapage.com · Aug 20, 2026
Confident · prospect-us.co.uk · Aug 18, 2026
Dili · theaiinsider.tech · Aug 11, 2026
Andromeda Surgical · svpost.com · Jul 30, 2026
Anchor · esgtoday.com · Jul 19, 2026
Openmart · scrap.io · Jul 17, 2026
Trigger.dev · barchart.com · Jul 16, 2026
Frequently asked questions
- How many investments has Rebel Fund made?
- Rebel Fund has 95 tracked investments, 2 of which have exited, including 20 dated in the last 24 months.
- What stage does Rebel Fund invest at?
- Rebel Fund invests at the Pre-Seed, Seed, Series A stages.
- What is Rebel Fund's typical check size?
- Rebel Fund typically writes checks of $100K – $5M.
- What sectors does Rebel Fund focus on?
- Rebel Fund focuses on AI & Machine Learning, Enterprise Software, Fintech, SaaS, Sector Agnostic.
- Where is Rebel Fund located?
- Rebel Fund is headquartered in San Francisco, US.
- Does Rebel Fund lead rounds?
- Rebel Fund typically participates in rounds rather than leading them.
- Who does Rebel Fund co-invest with?
- Rebel Fund most often shares deals with Y Combinator, TRAC (Third Round Analytics Capital), Transpose Platform Management, among 91 tracked co-investors.
Co-investors · 33
Alumni Ventures (AV) is a venture capital firm that co-invests alongside lead VCs in startups, backing founders with capital and access to a large investor and operator community.
Craft Ventures is a venture capital firm run by a team of former founders, operators, and investors who partner closely with founders to help build and scale technology companies.
Afore Capital is a $500M pre-seed venture fund that invests in pre-traction, early-stage companies, leveraging product and investment expertise to support founders from day zero.
Andreessen Horowitz (a16z) is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz, known for pioneering the platform model with a large team of operators supporting founders across stages.
Benchmark is a venture capital firm with offices in San Francisco and Woodside that invests in early-stage startups.
Entrepreneur First (EF) is a talent investor that helps individuals build and launch startups, providing support such as US visa guidance, office space, fundraising preparation, and investor introductions culminating in a San Francisco Demo Day.
Altimeter is a technology-focused investment firm that partners with founders to help build enduring companies. It manages multiple funds investing across both public and private markets and aims to support companies through all stages of growth, including their transition into public markets.
Strawberry Creek Ventures is a private venture investing community for UC Berkeley alumni, part of Alumni Ventures, offering a diversified annual fund and deal-by-deal syndications that co-invest alongside leading VC firms.
Founders Fund is a venture capital firm that backs technology companies building transformative products.
Foundation Capital is an early-stage venture capital firm that commits to founders at the idea stage and maintains long-term relationships with portfolio companies through their growth journey.
Kraken is a cryptocurrency exchange operating since 2011, offering crypto trading along with related services such as margin trading, staking, derivatives, and (in the US) equities brokerage through Kraken Securities LLC.
Union Square Ventures is a venture capital firm based in New York City that invests at the edge of large markets undergoing transformation from technological and societal pressures.
▶21 more co-investors
Great Oaks Venture CapitalAdditionBond Capital ManagementTodd and Rahul’s Angel FundParadigmWing75 & SunnyNextGen Venture PartnersSaga VenturesBrand Foundry VenturesOyster VenturesPlayground GlobalHouse305 VenturesSmash CapitalMVP VenturesCity LightLooking Glass CapitalHatteras Venture PartnersPortal VenturesType One Ventures
Firms observed investing alongside Rebel Fund, from public investor directories. Shared companies are the overlap with Rebel Fund's recorded portfolio.
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