Heavybit

Firm Overview

Venture firm investing in developer and enterprise infrastructure companies.

Leadership

Portfolio by sector

• B2B Software40 (77%)
• Industrials6 (12%)
• Media3 (6%)
• Energy2 (4%)
• Financial Services1 (2%)

52 of 106 tracked portfolio companies of Heavybit carry a sector label we can map; shares are of those 52. See the methodology.

Portfolio Companies

Company	Sector	Status	Website
Anchor	developer-oriented service for encrypting applications and infrastructure	Exited	Visit ↗
Antfly	Not on record	Current	Visit ↗
Apiary	API design, development & documentation	Exited	Visit ↗
Apollo GraphQL	open source tools for GraphQL	Current	Visit ↗
Apportable	mobile app development	Exited	Visit ↗
Aserto	cloud-native authorization as a service	Current	Visit ↗
Avo	next-generation analytics governance tool	Current	Visit ↗
Begin	globally scalable AWS infrastructure	Exited	Visit ↗
BillForward	complex billing simplified	Current	Visit ↗
Blockdaemon	institutional grade blockchain infrastructure	Current	Visit ↗
Brace	web hosting service	Exited	Visit ↗
CircleCI	continuous integration and delivery	Current	Visit ↗
Citus Data	distributed Postgres	Exited	Visit ↗
CloudConnect	cloud-based integration platform	Exited	Visit ↗
Codenvy	cloud workspaces for development teams	Exited	Visit ↗
Contentful	headless content management system	Current	Visit ↗
Continue	Open-source IDE extensions for your own modular AI dev system	Exited	Visit ↗
Convox	deploy and manage applications in the cloud	Exited	Visit ↗
Crunchy Data	open source PostgreSQL for the enterprise	Exited	Visit ↗
Develocity	build automation system	Current	Visit ↗
Divebell	data discovery and monitoring	Exited	Visit ↗
Duckbill	the cloud cost management data platform	Current	Visit ↗
Greta	a P2P distribution network	Current	Visit ↗
Groundcover	Cloud-Native Observability Platform	Current	Visit ↗
Iron.io	message queue and processing platform	Exited	Visit ↗
Jeli	incident analysis company	Exited	Visit ↗
Keen IO	all-in-one solution for event data management	Exited	Visit ↗
Kloudless	SaaS API integration platform	Exited	Visit ↗
Kodowa	integrated development environment	Current	Visit ↗
Kosli	complete, content-addressable history of infrastructure changes	Current	Visit ↗
Kubiya	AI teammates for developer and infrastructure operations	Current	Visit ↗
LaunchDarkly	Feature Flag Management	Current	Visit ↗
Librato	real-time operations analytics	Exited	Visit ↗
Lightstep	the DevOps observability platform	Exited	Visit ↗
LocalStack	cloud app development and testing	Current	Visit ↗
LunchBadger	multicloud platform for microservices and serverless	Current	Visit ↗
Memgraph	Frictionless, Innovative, Graph Applications	Current	Visit ↗
Metrist	performance monitoring solution for 3rd party dependencies	Current	Visit ↗
Milestone	the enterprise AI adoption platform	Current	Visit ↗
Mobot	automated mobile QA on physical devices	Current	Visit ↗
Modiqo	The execution layer for AI agents	Current	Visit ↗
Moesif	API intelligence platform	Exited	Visit ↗
Moonchild	AI-powered front-end engineering and design platform	Current	Visit ↗
Multimodel	secure AI environments for organizations	Current	Visit ↗
Musical AI	attribution for generative media	Current	Visit ↗
Mux	the API for video	Current	Visit ↗
Netlify	the most comprehensive platform for web projects	Current	Visit ↗
NodeSource	the safest and most secure Node.js platform	Exited	Visit ↗
Opsee	monitoring built for AWS	Current	Visit ↗
Orbit	mission control for your community	Exited	Visit ↗
OverOps	static and dynamic code analysis	Exited	Visit ↗
PagerDuty	real-time incidence response	Exited	Visit ↗
Pantheon	website management platform	Current	Visit ↗
Particle	integrated IoT platform	Exited	Visit ↗
PartnerPage	turnkey, custom partner directories	Current	Visit ↗
Pusher	realtime experiences for mobile and web	Exited	Visit ↗
Radar	the leading geofencing platform	Current	Visit ↗
Rainforest QA	the complete QA platform	Current	Visit ↗
ReadMe	professional quality docs	Current	Visit ↗
ReadMe.io	professional quality docs	Current	Visit ↗
Reduce	Pre-production data visibility platform	Current	Visit ↗
Reo	Developer intent GTM platform	Current	Visit ↗
Replicate	open-source AI models	Exited	Visit ↗
Replicated	multi-prem software delivery and management	Current	Visit ↗
Runscope	API performance monitoring	Exited	Visit ↗
Sanity	the unified content platform	Current	Visit ↗
Serverless	build and operate serverless architectures	Current	Visit ↗
Shipyard	ephemeral on-demand environments	Current	Visit ↗
Snyk	cloud native application security provider	Current	Visit ↗
Stealth #100	memory infrastructure so AI agents retain and reuse learned decisions	Current	Not on record
Stealth #101	retrieval engine that automates chunking, embedding, and search for AI agents	Current	Not on record
Stealth #102	router that lets voice AI apps switch between speech and voice-model providers	Current	Not on record
Stealth #103	optimizes AI inference deployments to cut energy cost per token without rewrites	Current	Not on record
Stealth #104	open-source platform for organizing AI agents into structured, governed teams	Current	Not on record
Stealth #105	web search, fetch routing, and observability infrastructure for AI agents	Current	Not on record
Stealth #106	tools for verifiable integrity and determinism in Linux systems	Current	Not on record
Stealth #107	open-source AI agent platform that autonomously pentests applications and APIs	Current	Not on record
Stealth #108	build web pages that humans edit and AI agents can read and write directly	Current	Not on record
Stealth #109	detects and blocks unauthorized resale of stolen LLM API access and tokens	Current	Not on record
Stealth #110	distributed HPC compute clusters for AI and quant-trading workloads	Current	Not on record
Stealth #111	offline AI inference runtimes for edge devices like Jetson and phones	Current	Not on record
Stealth #112	low-latency, voice-cloning text-to-speech models for voice agents	Current	Not on record
Stealth #113	email infrastructure and APIs so AI agents can send and receive email	Current	Not on record
Stealth #114	AI agents that monitor AWS and reduce operational toil for engineering teams	Current	Not on record
Stealth #64	developer-first customer and product analytics	Current	Not on record
Stealth #65	Open-source Rust and WebAssembly library for JavaScript web apps	Current	Not on record
Stealth #81	data intelligence for CROs and RevOps teams via prompting	Current	Not on record
Stealth #83	syncs, searches, and encrypts shell history across machines	Current	Not on record
Stealth #87	describe an app in plain language and get a real one instantly	Current	Not on record
Stealth #89	open-source API for deploying durable, secure AI agents	Current	Not on record
Stealth #90	uses LLMs and formal methods to catch and reduce errors in software code	Current	Not on record
Stealth #91	builds custom AI agents that automate how teams work	Current	Not on record
Stealth #92	RL environments for training frontier models on banking and PE workflows	Current	Not on record
Stealth #93	control plane for usage-based pricing	Current	Not on record
Stealth #94	observability data platform storing logs, traces and metrics	Current	Not on record
Stealth #95	turns how a company runs into rigorous, auditable systems	Current	Not on record
Stealth #96	autonomously watches, investigates and fixes databases	Current	Not on record
Stealth #98	records AI agents and turns proven workflows into team skills	Current	Not on record
Stealth #99	primitives for building end-to-end applications in TypeScript	Current	Not on record
Streamfold	high-performance telemetry data management	Exited	Visit ↗
Stripe	payment processing	Current	Visit ↗
Tailscale	zero config VPN for building secure networks	Current	Visit ↗
Testim	automated functional testing	Exited	Visit ↗
Timekit	automated scheduling	Exited	Visit ↗
Tonic	the fake data company	Current	Visit ↗
Treasure Data	enterprise customer data platform	Exited	Visit ↗
TruStar	the first security intelligence exchange platform	Exited	Visit ↗
Unikraft	cloud scaling without limits	Current	Visit ↗
Vibrant Labs	simulation environments for AI agents	Current	Visit ↗
Zencoder	cloud-based video encoding service	Exited	Visit ↗

This list is partial. We are reading the full portfolio from Heavybit's own site.

Source: https://www.heavybit.com/portfolio

Questions about Heavybit

Which sectors does Heavybit invest in?

Of the at least 110 portfolio companies we can classify, the largest groups are B2B Software (40), Industrials (6) and Media (3).

How many portfolio companies does Heavybit have?

PE Firm Index tracks at least 110 Heavybit portfolio companies from the firm's public portfolio page, as of 2026-10-19. The firm's own count may differ, for example where exited companies are listed.

Who leads Heavybit?

Public sources name Tom Drummond (Managing Director), Joseph Ruscio (General Partner) and Amir Zohrenejad (General Partner) among Heavybit's leadership.

Which firms are similar to Heavybit?

By overlap in portfolio sectors in this index: Evolution Equity Partners, Colony Capital and Kyber Knight Capital.

Firms similar to Heavybit

Chosen from this index by overlap in portfolio sectors, then by portfolio size. Not a ranking or a recommendation.