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San Francisco · Pre-Seed–Series A · 18 people tracked
Also known as Heavybit Holdings Associates · HEAVYBIT, LLC
Find your way into Heavybit
15,366 people in our graph share verified history with the Heavybit team — schools, employers, funds. One of them is your warm intro.
Investment thesis
Heavybit focuses on enterprise infrastructure and technical startups, investing from the earliest stages (Day 0) with high conviction in unique founders and transformative ideas before broader market recognition. Active since 2013, the firm positions itself as an authority on early-stage infrastructure, scaling companies in emerging categories across varied market conditions. It offers hands-on, strategic support through its partners, platform, and community, helping founders build category-defining companies that change how teams build, deploy, secure, and scale enterprise technology from the bottom up to the top down.
Source: firm website, verified Sep 1, 2026.
Team · 18 people
from the firm's website & curated
Founder mafia
The Heavybit mafia →7 people who came through Heavybit went on to found or lead other companies.
What they invest in
from 81 of 118 portfolio companiesDeveloper Tools ×64SaaS ×43Enterprise Software ×41AI & Machine Learning ×35Cloud Computing ×30Data & Infrastructure ×27Cybersecurity ×10Media & Entertainment ×7
HQs:United States×43Germany×2Australia×1Canada×1United Kingdom×1Croatia×1
Who they back
founder profiles across 52 portfolio companiesFounding team size:solo founder×192 founders×213 founders×104+ founders×2
Where their founders studiedfrom 71 founders with education data
Massachusetts Institute of Technology ×5University of Illinois Urbana-Champaign ×4Harvard Business School ×3University of Michigan ×3Azusa Pacific University ×2Duke University ×2Harvard University ×2Harvey Mudd College ×2
Where their founders worked beforefrom 73 founders with career history
Brightcove ×5Heroku ×3Coinbase ×2Foursquare ×2Intuit® ×2QuizUp ×2Salesforce ×2This Is My Jam ×2
Accelerator rootsportfolio companies that came through a program
6 founders hold a PhD · 9 hold an MBA (of 70 with degree data) · backed the same founder in 2+ companies: 2 founders
Investments · 118 tracked
founders shown can be your intro pathBy year:2026 · 32025 · 52023 · 22022 · 42021 · 12015 · 12014 · 117 dated
Atlassian offers a teamwork platform combining project planning, knowledge management, and AI orchestration tools for teams and their AI agents.
AI & Machine LearningFuture of WorkSaaSSydney, AU
Mike Cannon-Brookes(Co-founder & co-CEO)inScott Farquhar(Co-founder & co-CEO)inJeffrey Walkerin
Co-investorsAccelFirstMile VenturesNext Frontier CapitalSilver Lake Partners
PagerDuty provides a platform for incident response and operations management that enables teams across technical and business functions to respond to critical events in real time.
AI & Machine LearningCloud ComputingDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US
Alex Solomon(Founder/CTO)inDan Alexandru Solomon(Director)Jennifer Tejada(Executive Officer, Director)inSteven Gatoff(Executive Officer)in
BoardJohn O'Farrell(Director)Ethan Kurzweil(Director)in
Co-investorsAccelAndreessen HorowitzAurumBaseline VenturesBessemer Venture PartnersBling Capital+14 more
Avo is a SaaS analytics governance platform that helps product managers, developers, and data scientists plan, track, and govern product analytics.
Data & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSReykjavík, IS
Stefania Olafsdottir(Founder/CEO)inSölvi Logason(Founder)inSolvi Logason(Founder)in
Co-investorsNotable CapitalY CombinatorBackbone AngelsBrunnur Ventures GPVentureSouqAlleyCorp+8 more
Billforward is a subscription billing and recurring revenue platform that enables businesses to manage customer sign-ups, payment collection, and subscription management.
Enterprise SoftwareFintechSaaSSan Francisco, US
Ian Saunders(Founder/CEO)inMark Parry(Founder)inAubone Tennant(Founder/Chief Growth Officer)in
Co-investorsY Combinator
Kosli provides a platform that automates change management, audits, and compliance for DevOps teams working under regulatory and standards requirements.
AI & Machine LearningCybersecurityDeveloper ToolsEnterprise SoftwareSaaS
Co-investorsDeutsche BankTranspose Platform Management
Memgraph develops a high-performance, in-memory graph database platform designed to process computations on streaming data.
AI & Machine LearningData & InfrastructureEnterprise SoftwareSector AgnosticZagreb, HR
DominikMarko
Co-investorsIn-Q-TelMundi VenturesConnect VenturesM12 (Microsoft's Venture Fund)Acequia Capital (AceCap)Counterview Capital
Memgraph develops a high-performance, in-memory graph database platform focused on graph computations on streaming data.
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareLondon, GB
DominikMarko
Co-investorsConnect VenturesCounterview CapitalIn-Q-TelMundi VenturesTechstarsAcequia Capital (AceCap)
MultiModel provides AI training and adoption programs for organizations, offering onboarding, workshop-based prompt development, and executive readiness sessions to help teams effectively use AI tools.
AI & Machine LearningCybersecurityEdTechEnterprise SoftwareFintech
Co-investorsStanford UniversityWestWave Capital
SIXTA is an autonomous database reliability engineer (DBRE) for PostgreSQL and MySQL that investigates database incidents, identifies root causes, and recommends or applies fixes within a team's incident and change workflows.
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Co-investorsEncoded Ventures
Userfront provides authentication and user management tooling for developers, including capabilities for deploying AI assistants and enforcing AI use policies.
AI & Machine LearningCybersecurityDeveloper ToolsEnterprise SoftwareSaaS
Co-investorsStanford UniversityWestWave CapitalInnovating Capital
San Francisco, US
Christopher Stolt(Executive Officer, Director)Benjamin Burkert(Executive Officer, Director)
Board seatJesse Robbins· per SEC Form D · $2.5M raise · filed Nov 2022
Colimit offers a coding agent for formal spec-driven development, guiding users to write formal specifications without prior experience, check specs for logical bugs, and generate code by combining compilers with LLMs.
AI & Machine LearningDeep TechDeveloper ToolsBrooklyn, US
Larry Wayne Diehl, Jr.(Executive Officer, Director)
Board seatJesse Robbins· per SEC Form D · $2.7M raise · filed Sep 2025
Co-investorsVermilion Cliffs Ventures
Bengaluru
Krishna Mehra(Director)Piyush Agarwal(Director)Achintya Gupta(Executive Officer, Director)
BoardGaurav Jain(Director)in
Board seatJoseph Ruscio· per SEC Form D · $11.3M raise · filed Jun 2026
Co-investorsAfore Capital
Wilmington, US
Vanessa Gennarelli(Director, Founder, Chief Operating Officer)Mike McQuaid(Director, Founder, Chief Technology Officer)John Britton(CEO, Director, Founder)
Board seatJoseph Ruscio· per SEC Form D · $3.2M raise · filed Nov 2023
Palo Alto, US
Joshua N. Kalderimis(Executive Officer, Director)Richard Konstantin Haase(Executive Officer, Director)
Board seatJoseph Ruscio· per SEC Form D · $3.7M raise · filed Feb 2022
San Francisco, US
Michael Julian(Executive Officer, Director)Corey Quinn(Director)Daniel Shapiro(Executive Officer)
BoardAndrew McLoughlin(Director)
Board seatJoseph Ruscio· per SEC Form D · $6M raise · filed Dec 2025
Sanity provides a content operations platform built on a structured content database where JSON documents and code-defined schemas power web, mobile, and AI agent applications through a single API.
Data & InfrastructureDeveloper ToolsSaaSSan Francisco, US
Magnus Hillestad(Executive Officer, Director)inSimen Svale Skogsrud(Director)inEven Westvang(Director)inRaman Kapur(Executive Officer)inChristian Flaaten(Executive Officer)inOyvind Rostad(Executive Officer, Director)
Board seatJesse Robbins· per SEC Form D
Co-investorsAlliance VCAlliance VentureCaribbean Export Development AgencyCoinFundICONIQLead Edge Capital+6 more
Blacksburg, US
Ray Jenkins(Executive Officer, Director)Mike Heffner(Executive Officer, Director)in
Board seatJoseph Ruscio· per SEC Form D
Co-investorsUncork CapitalEssence Venture Capital
Developer-first customer and product analytics
Co-investorsCyberAgent CapitalKapor CapitalPrimary Venture Partners
Apiary provides API design and documentation tools with team collaboration features, enabling development teams to manage API blueprints through a centralized dashboard with role-based access control and project management capabilities.
Cloud ComputingDeveloper ToolsSaaS
Co-investorsCredo VenturesReflex CapitalXG Ventures
Apollo provides a GraphQL-based API orchestration platform that unifies APIs and data sources for backend teams and frontend applications.
Data & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US
Geoff Schmidt(Founder, Apollo GraphQL (Board of Directors))inmatt debergalis(Chief Executive Officer and Co-Founder)inNick Martin(Founder/CTO)in
Co-investorsAndreessen HorowitzDCVC (Data Collective)MatrixNext47Neythri Futures FundWebb Investment Network+2 more
Co-investorsEQUIAMInsight PartnersKarma VenturesMatrixNext47Spider Capital
Apportable provides tools for developers to compile Objective-C and C++ applications to Android, enabling them to publish to Android without rewriting code in Java.
Data & InfrastructureEnterprise SoftwareSan Francisco, US
Co-investorsY Combinator
Aserto provides a fine-grained, resource-level authorization platform that developers integrate into applications via SDKs, middleware, and gRPC/REST APIs, with a central control plane and local authorizers for real-time access decisions.
Cloud ComputingCybersecurityDeveloper Tools
Co-investorsSand Hill Angels
Blockdaemon provides blockchain infrastructure services including staking, node deployment, APIs, and wallet management across 60+ protocols for financial institutions and developers.
Crypto & Web3Data & InfrastructureEnergyEnterprise SoftwareFintechLos Angeles, US
Konstantin Richter(CEO and Founder)in
BoardEd Sim(Director)inGil Beyda(Director)in
Co-investors10SQ Capital (TenSquared)Amplify.LAAurum Venture PartnersBaroda VenturesBlockchain Coinvestorsboldstart ventures+20 more
Burkland provides outsourced finance and HR services for venture-backed startups, including fractional CFOs, accounting, bookkeeping, tax and compliance, R&D tax credits, financial modeling, payroll, and people operations.
Enterprise SoftwareFintechSaaS
Jeff Burkland(Founder)in
CircleCI develops continuous integration and continuous delivery (CI/CD) tooling that helps software development and developer-experience teams build, test, and ship code faster and more reliably.
Cloud ComputingDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US
Allen RohnerinPaul BiggarinJim Rose(Chief Executive Officer)inRob Zuber(Chief Technology Officer)inChitra Balasubramanian(Chief Financial Officer)Judson Griffin(Chief Revenue Officer)
Co-investors500 GlobalDCVC (Data Collective)Draper AssociatesIVP (Institutional Venture Partners)NextEquity PartnersSapphire Ventures+4 more
Citus is a Postgres extension that enables horizontal scaling of databases by distributing data and queries across multiple nodes.
Data & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US
Sumedh Pathak(Founder/Engineer)
Co-investorsBling CapitalBullpen CapitalDCVC (Data Collective)Rainfall VenturesStreamlined VenturesY Combinator+1 more
Red Hat provides developer tools for building applications on Kubernetes and OpenShift, focusing on cloud-native development workflows with reduced friction from code to production.
AI & Machine LearningCloud ComputingDeveloper Tools
Co-investorsToba CapitalXAnge
Contentful is a Berlin-founded headless CMS delivering structured content via APIs, being acquired by Salesforce.
Co-investorsBalderton CapitalOMERS VenturesPoint NineSapphire VenturesTrinity Ventures
Continue was an AI-powered developer coding agent distributed as open-source software.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareSan Francisco, US
Ty Dunn(Founder)inNate Sesti(Founder)in
Co-investorsY Combinator
Convox provides a platform for deploying and managing cloud-native applications across multiple cloud providers including AWS, Google Cloud, and Azure.
Cloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareAtlanta, US
David Dollar(Founder/CEO)inNoah Zoschke(Founder/CTO)inMatt Manning(Founder)in
Co-investorsCurious CapitalGarage CapitalY Combinator
Crunchy Data provides a certified, enterprise-grade distribution of the open source PostgreSQL relational database, bundled with security, high availability, backup/restore, monitoring, and administration tooling.
Cloud ComputingData & InfrastructureDeveloper ToolsEnterprise Software
Co-investorsAlsop Louie PartnersService Provider Capital
TruSTAR provides intelligence management technology that automates data orchestration to centralize and normalize security intelligence across security operations.
CybersecurityData & InfrastructureEnterprise SoftwareSan Francisco, US
Paul Kurtz(Executive Officer, Director, Promoter)
BoardPatrick Coughlin(Executive Officer, Promoter)
Co-investorsAcrew CapitalAkkadian VenturesAspect VenturesAugust CapitalCRV (Charles River Ventures)Intrepid Growth Partners+6 more
DEV is an online community where software developers share knowledge and help one another.
Developer ToolsMedia & EntertainmentSocial
Ben Halpern(Co-founder)inJess Lee(Co-founder)Peter Frank(Co-founder)in
Co-investorsWorklife VenturesMayfield FundThe Fund
Develocity is a context engineering platform for AI-driven software delivery that provides visibility into build, test, and artifact systems across Maven, Gradle, npm, Python, Bazel, and Docker.
AI & Machine LearningCloud ComputingData & InfrastructureDeveloper ToolsEnterprise Software
Hans Dockter(Founder)inEtienne Studer(Co-founder)in
Co-investorsBain Capital VenturesDCVC (Data Collective)True Ventures
Developer-first customer and product analytics platform
Co-investorsK9 Ventures
Duckbill provides an execution layer that connects AI agents to human labor pools, triaging, routing, executing, and quality-checking real-world tasks such as phone calls, form submissions, and in-person errands that require a human in the loop.
AI & Machine LearningConsumerEnterprise SoftwareFuture of WorkSaaS
Meghan Verena Joyce(Founder)in
Co-investorsForerunner VenturesInspired CapitalG9 VenturesGeneral CatalystGreycroftOffline Ventures+1 more
Duckbill provides a financial control layer that AI-native companies use to negotiate, manage, and forecast their spend across cloud, model, neocloud, and inference providers.
AI & Machine LearningCloud ComputingFintechSaaS
Co-investorsEncoded VenturesForerunner VenturesG9 VenturesGeneral CatalystGreycroftInspired Capital+2 more
Luma provides a platform for creating event pages, sending invitations, and selling tickets for events.
SaaS
Victor Pontis(Founder)in
Co-investorsAllen Institute for AI (AI2) IncubatorAmplify PartnersBerkley Center for EntrepreneurshipBethnal Green VenturesCedar CapitalEIT Urban Mobility Accelerator+13 more
LocalStack for Snowflake is a local emulator of the Snowflake data platform, letting developers run and test Snowflake features such as tables, tasks, streams, stored procedures, and API integrations on their own machines.
Cloud ComputingData & InfrastructureDeveloper ToolsSaaS
Co-investorsNotable Capital
groundcover is a full-stack observability platform that monitors cloud infrastructure, applications, and AI workloads using an eBPF sensor that collects telemetry with no code changes.
AI & Machine LearningCloud ComputingDeveloper ToolsTel Aviv, IL
Shahar Azulay(Founder)in
Co-investorsAngular VenturesJibe VenturesMorgan StanleyZeev Ventures
Jira Service Management is a ticketing and help desk platform that enables teams to manage support requests, automate workflows, and track performance across multiple channels including email, chat, and portals.
Developer ToolsEnterprise SoftwareFuture of WorkHR TechSaaSBoulder, US
Co-investorsAccelAccess Venture PartnersFirstMile VenturesKokopelli CapitalMatchstick VenturesNext Frontier Capital+3 more
Ink & Switch is an independent research lab exploring software architecture, local-first collaboration, and dynamic tools for creative work, with a focus on returning data ownership to users.
Data & InfrastructureDeep TechDeveloper Tools
Co-investorsBlueYard Capital
Jeli provides incident analysis and collaborative learning tools that help engineering and operations teams review incidents, build timelines, and identify patterns to improve reliability.
Developer ToolsEnterprise SoftwareSaaS
Co-investorsboldstart ventures
Keen is a fully managed event streaming platform that enables developers to collect, store, and analyze real-time data using APIs built on Apache Kafka, Storm, and Cassandra.
Cloud ComputingData & InfrastructureDeveloper ToolsSan Antonio, US
Dan KadorinKyle WildinRyan Spraetzin
Co-investors500 GlobalScaleworksStreamlined VenturesTechstarsUpslope VenturesXG Ventures+2 more
Co-investorsAspect VenturesBow CapitalOwl CapitalAmino Capital
LaunchDarkly provides a feature management platform that enables development teams to release code changes safely through feature flags, detect production issues in real time, and run experiments without redeploying applications.
AI & Machine LearningCloud ComputingDeveloper ToolsSaaSOakland, US
Edith Harbaugh(Co-founder; Chief Executive Officer, Executive Chair)inJohn Kodumal(Co-founder)in
Co-investors500 GlobalAlchemist AcceleratorBessemer Venture PartnersCervinFirebolt Ventures Management Company, LlcLead Edge Capital+11 more
Cloud ComputingDeveloper ToolsSaaS
Co-investorsBaseline VenturesCowboy Ventures
Acquired by ServiceNow; investment from prior firm
Co-investorsAmplify PartnersCowboy Ventures
Linear is a project and issue tracking tool for software development teams, offering features such as team documents, code diffs and reviews, an AI agent, and integrations with tools like GitHub, Slack, and Figma.
Developer ToolsEnterprise SoftwareFuture of WorkSaaSSan Francisco, US
Karri Saarinen(Co-founder, CEO)inJori Lallo(Co-founder, CPO)inTuomas Artman(Co-founder, CTO)in
Co-investorsDesigner FundIndie.vcSeven Seven Six01 AdvisorsAccelIndex Ventures+3 more
A curated directory and community resource hub for the local-first software ecosystem, aggregating tools, articles, videos, and meetups.
Developer ToolsMedia & Entertainment
localfirst.fm is a podcast focused on local-first software development, featuring interviews with engineers, researchers, and founders working on sync engines, CRDTs, and offline-capable applications.
Developer ToolsMedia & Entertainment
TravelPerk is a corporate travel management platform that helps organizations book, manage, and optimize business travel.
EdTechEnterprise SoftwareFuture of WorkMedia & EntertainmentSaaSTravel & Hospitality
John Doerr(Chairman)Avi Meir(CEO and co-founder)Lisa Shufro(Chief Storyteller)in
BoardRyan Panchadsaram(Investor at Kleiner Perkins)
MightyMeld is a visual development tool for React frontend developers that pairs a live visualization of code with the running app's DOM, letting users drag, drop, and prompt UI changes while producing AST-aware code modifications.
AI & Machine LearningDeveloper ToolsSaaS
Steven Schkolne(Founder)in
Co-investors11.2 Capital
Milestone is an analytics platform that tracks AI spend, coding agents, software delivery, and custom KPIs by grounding answers in a company's engineering data.
AI & Machine LearningDeveloper ToolsEnterprise Software
Liad Elidan(Founder)in
Co-investorsPreston-Werner VenturesAtlassian Ventures
Mobot provides infrastructure-as-a-service that combines human expertise with mechanical robots to automate testing and development processes for engineering teams building software and hardware products.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareHardwareRoboticsSaaSNew York City, US
Eden Full Goh(Founder)in
Co-investorsCota CapitalMPG FundY CombinatorUncorrelated Ventures
Moesif provides an API analytics and monetization platform for teams building API and AI products, offering usage-based billing on API calls and LLM token counts, payload debugging, quota enforcement, and usage monitoring.
AI & Machine LearningData & InfrastructureDeveloper ToolsSaaSSan Francisco, US
Derric GIlling(Founder)in
Co-investorsFresco CapitalMerus CapitalSilicon BadiaTest Kitchen CapitalCraft VenturesLombardstreet Ventures
Moonchild is an AI design tool that converts product requirement documents (PRDs) into production-ready UI screens using a company's existing design system, and exports designs to code via an MCP connection to tools like Claude Code and Cursor.
AI & Machine LearningDeveloper ToolsSaaS
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AI & Machine LearningEnterprise SoftwareMedia & EntertainmentSaaS
Mux provides video infrastructure and API services for developers building video applications.
Cloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareMedia & EntertainmentSan Francisco, US
Jon Dahl(Founder/CEO)inAdam Brown(Founder)inSteve Heffernan(Founder/Head of Product)inMatthew McClure(Founder)in
BoardDaniel Levine(Director)inKristina Shen(Director)in
Co-investorsAccelAdvancit CapitalAndreessen HorowitzAurum Venture PartnersCoatue ManagementHubSpot Ventures+10 more
Netlify is a platform for building, deploying, and scaling modern web applications, serving millions of developers and thousands of enterprises.
AI & Machine LearningCloud ComputingDeveloper ToolsSaaSSan Francisco, US
Mathias Biilmann(Co-founder & CEO)inChristian Bach(Co-founder, Chief Strategy and Creative Officer)in
Co-investorsAndreessen HorowitzBessemer Venture PartnersDesigner FundKleiner PerkinsMenlo VenturesBloomberg Beta+7 more
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AdTechCloud ComputingDeveloper ToolsEnterprise SoftwareMarketing TechSaaSBerlin, DE
Sascha Konietzke(Executive Officer, Director, Promoter)Paolo Negri(Executive Officer, Director, Promoter)Andy Kaiser(Co-founder and CEO; later VP Product at Contentful)Alexander Braunreuther(Co-founder)Steve Sloan(Executive Officer, Director)Margo M Smith(Executive Officer)
Co-investorsBalderton CapitalCherry VenturesGaia VenturesGrand VenturesMosaic VenturesOMERS Ventures+11 more
NodeSource provides Node.js runtime distribution and application management services for enterprise organizations.
AI & Machine LearningCloud ComputingDeveloper ToolsEnterprise SoftwareSan Francisco, US
Joseph McCann(Executive Officer, Director, Promoter)Daniel Shaw(Executive Officer, Director, Promoter)Tom Burke(Executive Officer)
BoardRaju Rishi(Director)inEric Chin(Director)in
Co-investorsResolute VenturesCrosslink CapitalRRE Ventures
Co-investorsDecibel Partners
OverOps provides a reliability platform that lets engineering teams define SLOs, SLIs, and error budgets across multiple observability data sources and apply reliability guardrails in CI/CD pipelines.
Cloud ComputingDeveloper ToolsSaaSSan Francisco, US
Tal Weiss(Executive Officer, Director)
BoardArif Janomohamed(Director)Venky Ganesan(Director)inAvery More(Director)inDavid Scott(Director)
Co-investorsLightspeed Venture PartnersMenlo Ventures
Particle provides an IoT platform with built-in security spanning hardware devices and cloud, including per-device private keys, encrypted messaging, access controls, and a Device Cloud with ISO-certified hosting.
Cloud ComputingCybersecurityDeveloper ToolsHardwareIoT
Zach Supalla(Founder)inZachary Crockett(CTO)in
Co-investorsBonfire VenturesCounterpart VenturesEnergy Impact PartnersGraph VenturesGreen Meadow VenturesQualcomm Ventures+3 more
PartnerPage provides a no-code tool for building and maintaining partner directories that companies host on their own domain, letting partners create and manage their own listings and capture referrals.
Marketing TechSaaSSales Tech
Mario Tarabbia(Founder)in
Prisma builds an ORM and database tools for developers to simplify database workflows across application development, deployment, and scaling.
Cloud ComputingData & InfrastructureDeveloper Tools
Co-investorsAmplify PartnersKleiner PerkinsMango CapitalPreston-Werner Ventures
Pusher provides hosted, bi-directional APIs and messaging infrastructure that developers use to add realtime features such as live data updates, chat, notifications, and push notifications to their applications.
Data & InfrastructureDeveloper ToolsSaaS
Co-investorsBalderton CapitalFirestartrMI VenturesSaaS Capital
Radar provides SDKs, APIs, and infrastructure for location tracking, geofencing, mapping, geocoding, search, and routing, used for fraud prevention, location verification, delivery tracking, and marketing across industries.
Data & InfrastructureDeveloper ToolsEnterprise Software
Nick Patrick(Founder)inCoby Berman(Founder)in
Co-investorsAccelExpaFuel CapitalWing
Rainforest QA is an AI-powered, no-code testing platform that automates quality assurance for software development teams.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US
Fred Stevens-Smith(Founder/CEO)inRussell Smith(Founder / CTO)in
Co-investorsY CombinatorBessemer Venture PartnersBonfire VenturesCrosslink CapitalFundersClubStorm Ventures
ReadMe is a developer hub that provides API documentation, monitoring, and developer engagement tools for API-first companies.
Developer ToolsEnterprise SoftwareSaaSNew York City, US
Gregory Koberger(Founder)in
Co-investorsGreat Oaks Venture CapitalY CombinatorZillionizeAccel
Recce is a data quality and change management platform for data teams that provides visibility into data changes before merging pull requests, starting with dbt integration.
AI & Machine LearningData & InfrastructureDeveloper ToolsSaaS
Co-investorsBrighter CapitalVertex Ventures
Reo.dev is a go-to-market platform that uses AI agents and technical buying signals from over 50 sources to help sales teams identify in-market accounts, map technical profiles to economic buyers, and run personalized outreach.
AI & Machine LearningSaaSSales Tech
Achintya Gupta(Founder)inPiyush Agarwal(Founder)in
Co-investorsFoster VenturesIndia QuotientpeerchequeVeridical Ventures
Replicate builds tools that make AI models accessible to software engineers through simple APIs and abstractions, similar to standard software libraries.
AI & Machine LearningCloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US
Ben Firshman(Founder)inAndreas Jansson(Founder)in
BoardMATT BORNSTEIN(Director)in
Co-investorsAIX VenturesAndreessen HorowitzY CombinatorSequoia Capital
Replicated provides a container-based platform for software vendors to deploy cloud-native applications in customer environments.
Cloud ComputingDeveloper ToolsEnterprise Software
Co-investorsAmplify Partnersboldstart venturesFounder CollectiveMucker CapitalPreston-Werner VenturesTop Corner Capital+4 more
Runscope provides API monitoring and testing tools that detect API failures before they impact end users.
Cloud ComputingDeveloper ToolsSan Francisco, US
Frank Stratton(Director)John Sheehan(Executive Officer, Director)
BoardSteve Herrod(Director)
Co-investorsStreamlined VenturesTrue VenturesAndreessen HorowitzGeneral Catalyst
Pantheon provides a platform that applies DevOps principles to web applications, enabling digital marketing teams and developers to accelerate the development, testing, and deployment of website changes.
Cloud ComputingDeveloper ToolsEnterprise SoftwareMarketing TechSaaS
Josh Koenig(Founder)in
Co-investorsFloodgateFoundryOpenView Venture PartnersSoftBank Vision FundNew Enterprise Associates (NEA)NVIDIA+1 more
Stealth secure software delivery platform
Serverless provides the Serverless Framework, an open-source tool for developing, deploying, and monitoring APIs, scheduled tasks, workflows, and event-driven applications on AWS Lambda.
Cloud ComputingDeveloper ToolsSaaS
Austen Collins(Founder)in
Co-investorsLightspeed Venture PartnersTrinity Ventures
Shipyard automates the provisioning and management of software environments across the development lifecycle, from development to production.
Cloud ComputingDeveloper ToolsSaaSNew York, US
Co-investorsContour Venture PartnersWork-Bench
Snyk is a developer-focused security platform that identifies and fixes vulnerabilities in code, dependencies, containers, and cloud infrastructure using AI-powered analysis.
AI & Machine LearningCybersecurityDeveloper ToolsBoston, US
Guy Podjarny(Director)inPeter McKay(Executive Officer, Director)inStephanie Dominy(Executive Officer)in
BoardPhilippe Botteri(Director)inMatthew Weigand(Director)inKen Fox(Director)
Co-investors2050 CapitalAccelAlkeon InnovationAmity VenturesAmplify PartnersAtlassian Ventures+31 more
Stack Internal is a knowledge management platform that captures, structures, and validates enterprise knowledge to provide trusted context for AI agents and human teams.
AI & Machine LearningDeveloper ToolsEnterprise Software
Joel Spolsky(Founder)in
Co-investorsAndreessen HorowitzElevation CapitalFoster VenturesIndia Quotient
Stripe provides financial infrastructure for businesses to accept payments, offer financial services, and implement custom revenue models across international markets in 135+ currencies.
Developer ToolsFintechSaaSSan Francisco, US
John Collison(Co-founder & President)inPatrick Collison(Co-founder & CEO)inWilliam Gaybrick(Executive Officer)inGreg Brockman(Founding Engineer, then first CTO)inSarah Heckin
BoardMichael Moritz(Director)in
Co-investors500 GlobalAdvaita CapitalAglae VenturesAir Street CapitalAlkeon InnovationAndreessen Horowitz+60 more
Tailscale provides secure connectivity infrastructure.
Cloud ComputingCybersecurityDeveloper ToolsToronto, CA
Avery Pennarun(CEO)inBrad Fitzpatrick(Founder)inDavid Crawshaw(Founder)in
Co-investorsAccelAvenir Growth CapitalCRV (Charles River Ventures)Cyber Mentor FundFlex Capital PartnersInsight Partners+6 more
Tricentis Testim provides AI-powered test automation for custom web, mobile, and Salesforce applications, letting development and QA teams author tests using natural language and self-healing AI/ML locators.
AI & Machine LearningDeveloper ToolsSaaS
Oren Rubin(Founder)in
Co-investorsLightspeed Venture PartnersMeron CapitalSpider CapitalTSVCSignalFire
Treasure Data offers the Personalization AI Suite, an AI-native tool that uses unified customer data and real-time signals to automatically personalize web content, offers, and experiences for individual customers.
AI & Machine LearningData & InfrastructureMarketing Tech
Hiro Yoshikawa(Founder)in
Co-investorsCarbide VenturesHaymaker VenturesSoftBank Vision Fund
Customer data platform unifying operations, service, sales and marketing.
Mountain View, US
Kazuki Ota(Executive Officer, Director)Hironobu Yoshikawa(Executive Officer, Director)
BoardTim Guleri(Director)inAndy Vitus(Director)inMorlo Kurosaki(Director)William Tai(Director)in
Co-investorsCarbide VenturesIT-Farm CorporationSierra VenturesAME Cloud VenturesScale Venture PartnersSoftBank Group
Unikraft builds a cloud operating system and platform designed to eliminate inefficiency in cloud infrastructure through millisecond-native performance and high scalability.
Cloud ComputingCybersecurityDeep TechDeveloper Tools
Co-investorsFly VenturesMango Capital
Tonic Structural is a test data management and data de-identification platform that detects PII/PHI and applies masking, tokenization, and synthesis to structured and semi-structured data while preserving referential integrity for development and testing.
AI & Machine LearningCybersecurityData & InfrastructureDeveloper ToolsSan Francisco, US
Andrew Colombi(Founder)in
Co-investorsNotable CapitalTau VenturesBloomberg BetaXfund
Vibrant Labs builds tools for teams to develop AI systems that function effectively in real-world applications.
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US
Jithin James(Co-founder)inShahul ES(Co-founder)in
Co-investorsY Combinator
Webflow is a visual content management system and web design platform that enables creative teams to build, design, and publish brand-forward websites without heavy reliance on developers.
Developer ToolsEnterprise SoftwareMarketing TechSaaSSan Francisco, US
Sergie Magdalin(Co-founder & Design Fellow)inVlad Magdalin(Co-founder & Chief Innovation Officer)inBryant Chou(Co-founder)inLinda Tong(Chief Executive Officer)in
Co-investorsAccelADQAltra VentureAmino CapitalAstellaBanyan Ventures+27 more
Zencoder is a cloud video encoding platform that transcodes and delivers video content at scale for creators and developers.
Cloud ComputingCreator EconomyData & InfrastructureEnterprise SoftwareMedia & EntertainmentSocialSan Francisco, US
Jon Dahl(Founder/CEO)inSteve Heffernan(Founder/Head of Product Design & Marketing)inBrandon Arbini(Founder/Vice President of Product Development and Engineering)in
Co-investors500 GlobalY CombinatorLowercase CapitalSV Angel
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.
Exits · 5
IPOs and acquisitions across the tracked portfolioAtlassianNASDAQ: TEAMPagerDutyNYSE: PDCodenvyacq. by Red HatLibratoacq. by SolarWindsNinetailedacq. by Contentful
Portfolio news
latest coverage across their companiesTailscale · en.wikipedia.org · Aug 28, 2026
Atlassian · morningstar.com · Aug 20, 2026
Linear · stocktitan.net · Aug 11, 2026
Groundcover · networkworld.com · Jul 31, 2026
Stripe · techcrunch.com · Jul 20, 2026
PagerDuty · rswebsols.com · Jul 18, 2026
LaunchDarkly · pulse2.com · Jul 17, 2026
Frequently asked questions
- How many investments has Heavybit made?
- Heavybit has 108 tracked investments, 14 of which have exited via acquisition or IPO, including 5 dated in the last 24 months.
- What stage does Heavybit invest at?
- Heavybit invests at the Pre-Seed, Seed, Series A stages.
- What is Heavybit's typical check size?
- Heavybit typically writes checks of $500K – $5M.
- What sectors does Heavybit focus on?
- Heavybit focuses on AI & Machine Learning, Cloud Computing, Cybersecurity, Data & Infrastructure, Developer Tools, Enterprise Software, SaaS.
- Where is Heavybit located?
- Heavybit is headquartered in San Francisco, US.
- Does Heavybit lead rounds?
- Yes, Heavybit leads investment rounds.
- Who does Heavybit co-invest with?
- Heavybit most often shares deals with Y Combinator, Accel, Preston-Werner Ventures, among 260 tracked co-investors.
From the blog
visit blog ↗Heavybit recently covered developer marketing shifts toward LLM visibility optimization and positioning strategy, as well as AI-assisted performance engineering with human oversight in software systems. AI summary
Media · Podcasts & interviews
featuring the teamThe DevTools VC - Dana Oshiro from Heavybit
Scaling DevTools · Dana Oshiro
DevOps is dead? Nope, it is maturing ft. Jesse Robbins of Heavybit
CircleCI · Jesse Robbins
Venture Confidential - Ep. #4, Feat. Heavybit's Tom Drummond
Heavybit · Tom Drummond
Heavybit's James Lindenbaum on Developer Company Trends
Heavybit · James Lindenbaum
Zero to Won - Ep. #4, Feat. Heavybit’s James Lindenbaum
Heavybit · James Lindenbaum
GameDay: Creating Resiliency Through Destruction
USENIX · Jesse Robbins
Images
Co-investors · 77
Accel is a venture capital firm that partners with exceptional teams, positioning itself as a first partner to founders globally.
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.
Preston-Werner Ventures is a venture capital firm associated with Tom Preston-Werner, cofounder of GitHub, who has moved into venture investing.
Amplify Partners is a venture capital firm that backs technical founders — engineers, researchers, and scientists — building companies across AI/ML, data infrastructure, developer tools, and life sciences.
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General Catalyst is a venture capital firm operating as a partnership focused on company building and accelerating the growth of the businesses it backs.
Uncork Capital (formerly SoftTech VC) is a seed-stage venture firm that invests early in founders, with a focus on AI-native companies building leverage and scale.
boldstart ventures is an early-stage venture firm that partners with technical founders from inception, leading pre-product rounds and helping build enterprise software companies.
Lightspeed is a global venture capital firm that has spent over two decades backing innovative companies as an early and first investor.
Insight Partners is an investment firm focused on accelerating revenue and profit growth in software companies, providing capital and operational support through its Insight Onsite team.
Coatue Management is a technology-focused investment firm that invests in innovation across both public and private markets with responsible risk management.
Threshold Ventures is a venture capital firm that partners with founder-led companies at inflection points of breakout growth, engaging early and providing hands-on advice during moments of market transformation.
Chemistry is an early-stage venture capital firm founded by investors with backgrounds at Bessemer, a16z, and Index, focused on backing founders from the earliest stages.
▶65 more co-investors
Spider CapitalLead Edge CapitalBloomberg BetaTenOneTen VenturesRedpoint VenturesTrue VenturesCRV (Charles River Ventures)SignalFireScale Venture PartnersNext47Storm VenturesFounders FundFelicis VenturesEniac VenturesAME Cloud VenturesTwo Sigma VenturesTSVCFuel CapitalAugust CapitalComcast VenturesICONIQ CapitalLombardstreet VenturesAngular VenturesEssence Venture CapitalCervinMPG FundMyAsiaVC11.2 CapitalTest Kitchen CapitalUberBattery VenturesPartech VenturesHCVCObvious VenturesAdditionRidge VenturesHarrison MetalIntel CapitalAccompliceGaingelsCostanoa VenturesOperator Collective7percent Ventures468 CapitalPoint72 VenturesThird Point VenturesUpside PartnershipAnorak VenturesBaruch Future VenturesBlue Owl CapitalBDC Venture CapitalThomvest VenturesTrust FundH.I.G. Growth PartnersEngineering CapitalRembrandt Venture PartnersCerity Partners VenturesInvariantes FundTop Tier Capital PartnersCross Culture VenturesEvolution VC PartnersGenoa VenturesNorth Bridge Venture Partners & Growth EquityMetalayerHelios Climate Ventures
Firms observed investing alongside Heavybit, from public investor directories. Shared companies are the overlap with Heavybit's recorded portfolio.
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