# Heavybit: portfolio, investments and team

> Heavybit is a vc firm based in United States. 44 investments on record, 9 in the last 12 months, latest Sept 2026. Portfolio, stages, co-investors and team.

Source: https://millionrounds.com/fund/heavybit (Millionrounds; every figure on the page links to its filing or article)

United States · [Investor](https://millionrounds.com/investors)

# Heavybit

Last cheque observed Sep 2026; 44 cheques on record.

Email

Deploying now New fund $5.9M, Jul 2026 VC firm

Pre-seed Seed Series A Infrastructure Middleware Iaas

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Deploying now

**75%** of best year **9** **cheques in 12 months**, 44 on record

Since the last cheque **60** days **00** hrs **00** min **00** sec

Median round **$7.8M** Cheque size, as they say **$500K – $5.0M** Rounds led **1 of 44** Sole investor **6 rounds** Exits **1 from the portfolio** Mostly in **United States, 74%**

Pitch Heavybit

## Heavybit highlights

- 01 9 cheques in the last 12 months
- 02 Mostly Seed and Series A: 57% of its rounds
- 03 Sole investor in 6 rounds, median $2.7M
- 04 1 exits from the portfolio

## What they do

> Heavybit is the leading investor in enterprise infrastructure. Heavybit invests from Day 0 with high conviction in unique, transformative technical startups. From their own website

- **Type:** VC firm (from a list, unverified)
- **Cheque size:** $500K – $5.0M as they say
- **Stages:** Pre-seed Seed Series A
- **Sectors:** Infrastructure Middleware Iaas
- **Based in:** San Francisco, United States
- **Cold pitches:** Not accepted

## The record

Every round we can evidence, newest first **44 appearances**

- **2026** 7 rounds
- **Sept** **[Antfly](https://millionrounds.com/company/antfly)** Pre-seed · US **$2.0M** Sole investor
- **Jul** **groundcover** Series C · IL · Ventureburn **$100M** With 5 others
- **Jul** **[Reo.Dev](https://millionrounds.com/company/reo-dev)** Series A · US **$11M** With 3 others
- **Jun** **[Strix](https://millionrounds.com/company/strix)** Seed · US **$6.7M** With 3 others
- **May** **[Modiqo](https://millionrounds.com/company/modiqo)** Pre-seed · US **$3.0M** Sole investor
- **Feb** **[Duckbill](https://millionrounds.com/company/duckbill)** Venture · US **$7.8M** With 1 other
- **Jan** **[Musical AI](https://millionrounds.com/company/musical-ai)** Seed · US **$4.5M** With 1 other
- **2025** 9 rounds
- **Nov** **Milestone** Seed · IL · TechCrunch **$10M** *Led*
- **Nov** **[Revinu IO LLC](https://millionrounds.com/company/revinu-io-llc)** Seed · US **$2.4M** Sole investor
- **Oct** **[Unikraft](https://millionrounds.com/company/unikraft)** Seed · DE **$6.0M** With 4 others
- **Oct** **[Bronto](https://millionrounds.com/company/bronto)** Seed · IE **$14M** With 1 other
- **Oct** **[Reo.Dev](https://millionrounds.com/company/reo-dev)** Seed · US **$4.0M** With 1 other
- **Sept** **[Perimevity](https://millionrounds.com/company/perimevity)** Seed **$1.8M** Sole investor
- **Apr** **[Recce](https://millionrounds.com/company/recce)** Pre-seed · US **$4.0M** With 2 others
- **Apr** **groundcover** Series B · IL **$35M** With 1 other
- **Mar** **[Kosli](https://millionrounds.com/company/kosli)** Series A · US **$10M** With 2 others
- **2024** 4 rounds
- **Nov** **[LocalStack](https://millionrounds.com/company/localstack)** Series A · CH · TechCrunch **$25M** With 2 others
- **Aug** **[Kubiya.ai](https://millionrounds.com/company/kubiya-ai)** Seed · US **$6.0M** Sole investor
- **May** **[Userfront](https://millionrounds.com/company/userfront)** Seed · US **$5.3M** Sole investor
- **Apr** **[Exploding Gradients](https://millionrounds.com/company/exploding-gradients)** Pre-seed · US **$500K** With 2 others
- **2023** 2 rounds
- **Dec** **[Memgraph](https://millionrounds.com/company/memgraph)** Seed · GB **$2.5M** With 4 others
- **Nov** **[Continue](https://millionrounds.com/company/continue)** Seed · US **$5.1M** With 1 other
- **2022** 4 rounds
- **Nov** **[Metrist](https://millionrounds.com/company/metrist)** Seed · US **$4.0M** With 1 other
- **Nov** **[Orbit](https://millionrounds.com/company/orbit)** Venture · US **$2.8M** With 3 others
- **Sept** **[Jeli.io](https://millionrounds.com/company/jeli-io)** Series A · US **$15M** With 3 others
- **Feb** **[RADAR](https://millionrounds.com/company/radar)** Series C · US **$55M** With 2 others
- **2021** 6 rounds
- **Nov** **TESTIM** Series C · US **$10M** With 3 others
- **Nov** **[Treasure Data](https://millionrounds.com/company/treasure-data)** Venture · US **$234M** With 5 others
- **Nov** **[Gradle Inc.](https://millionrounds.com/company/gradle-inc)** Series C · US **$27M** With 4 others
- **Sept** **[Tonic.ai](https://millionrounds.com/company/tonic-ai)** Series B · US **$35M** With 5 others
- **Aug** **[Moesif](https://millionrounds.com/company/moesif)** Series A · US **$12M** With 3 others
- **Jun** **[Aserto](https://millionrounds.com/company/aserto)** Seed **$5.1M** With 1 other
- **2020** 1 round
- **Oct** **[Shipyard](https://millionrounds.com/company/shipyard)** Seed **$2.3M** With 2 others
- **2019** 3 rounds
- **Dec** **[OverOps](https://millionrounds.com/company/overops)** Venture **Undisclosed** With 2 others
- **Jul** **[CircleCI](https://millionrounds.com/company/circleci)** Series D · US · FinSMEs **$56M** With 8 others
- **Jun** **[Meteor Software](https://millionrounds.com/company/meteor-software)** Venture **$22M** With 1 other
- **2018** 4 rounds
- **Dec** **[LightStep](https://millionrounds.com/company/lightstep)** Series C · US · FinSMEs **$41M** With 5 others
- **Sept** **[Snyk](https://millionrounds.com/company/snyk)** Series B · GB · FinSMEs **$22M** With 2 others
- **Apr** **[Pusher](https://millionrounds.com/company/pusher)** Series A · GB · FinSMEs **$8.0M** With 3 others
- **Mar** **[Kloudless](https://millionrounds.com/company/kloudless)** Series A · US · FinSMEs **$6.0M** With 3 others

An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.

## The team

Named by the firm itself, on a filing, its Form ADV or its company registration **2 named**

JL **James Lindenbaum** Member i Form ADV

TJ **Thomas Jonathan Patrick Drummond** Managing Director i Filing they signed

We also hold **5** people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.

## What the register says

From the firm's own filings with the SEC, which it must file accurately by law

**$547M** gross assets of its funds Oct 2026

**Exempt** reporting adviser venture or small private funds

- **Legal name:** Heavybit, LLC
- **SEC number:** CRD 291776

## Exits from the portfolio

Companies it backed that were later bought or listed **1 in all**

**[Codenvy](https://millionrounds.com/company/codenvy)** Bought by Redhat **Undisclosed** May 2017

An exit counts when it came after the firm's first round in the company. From historical deal records.

New fund on file

**$5.9M**

raised in Jul 2026

From its SEC filing, not a journalist: a firm that has just raised has money to deploy.

## The cheque

Pre-seed Seed Series A

Median round joined **$7.8M** the round, not its cheque Alone, median **$2.7M**

Led 1 of 44 rounds **2%**

- **Said size:** $500K – $5.0M
- **Sole investor:** 6 rounds
- **Last cheque:** Sept 2026
- **Exits:** 1 from the portfolio

Rounds by stage said on their site

- Seed said *15*
- Series A said *9*
- Venture *6*
- Series C *5*
- Pre-seed said *4*
- Series B *3*

Cheques by month Led Joined

Nov 2023 Oct 2026

Often in the room with

- [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) 4
- [AME Cloud Ventures](https://millionrounds.com/fund/ame-cloud-ventures) 3
- [Scale Venture Partners](https://millionrounds.com/fund/scale-venture-partners) 3
- [Bain Capital Ventures](https://millionrounds.com/fund/bain-capital-ventures) 2
- [Gokul Rajaram](https://millionrounds.com/fund/gokul-rajaram) 2
- [Harrison Metal](https://millionrounds.com/fund/harrison-metal) 2

**Pitching Heavybit?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque.

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## Who they invest alongside

The investors most often in the same rounds as Heavybit. A count of rooms they were both in, not a relationship either has claimed.

[**Andreessen Horowitz** VC firm **4** rounds together](https://millionrounds.com/fund/andreessen-horowitz)[**AME Cloud Ventures** VC firm **3** rounds together](https://millionrounds.com/fund/ame-cloud-ventures)[**Scale Venture Partners** VC firm **3** rounds together](https://millionrounds.com/fund/scale-venture-partners)[**Bain Capital Ventures** VC firm **2** rounds together](https://millionrounds.com/fund/bain-capital-ventures)[**Gokul Rajaram** Angel **2** rounds together](https://millionrounds.com/fund/gokul-rajaram)[**Harrison Metal** VC firm **2** rounds together](https://millionrounds.com/fund/harrison-metal)[**Insight Partners** VC firm **2** rounds together](https://millionrounds.com/fund/insight-venture-partners)[**Lightspeed Venture Partners** VC firm **2** rounds together](https://millionrounds.com/fund/lightspeed-venture-partners)[**Notable Capital** VC firm **2** rounds together](https://millionrounds.com/fund/notable-capital)[**Sierra Ventures** VC firm **2** rounds together](https://millionrounds.com/fund/sierra-ventures)[**Techstars** VC firm **2** rounds together](https://millionrounds.com/fund/techstars)[**True Ventures** VC firm **2** rounds together](https://millionrounds.com/fund/true-ventures-2)

## Recently backed

The latest companies Heavybit put money into.

[**Antfly** $2.0M · Sept 2026](https://millionrounds.com/company/antfly)[**Reo.Dev** $11M · Jul 2026](https://millionrounds.com/company/reo-dev)[**Modiqo** $3.0M · May 2026](https://millionrounds.com/company/modiqo)[**Duckbill** $7.8M · Feb 2026](https://millionrounds.com/company/duckbill)[**Musical AI** $4.5M · Jan 2026](https://millionrounds.com/company/musical-ai)[**Unikraft** $6.0M · Oct 2025](https://millionrounds.com/company/unikraft)

## Quick answers about Heavybit

### What does Heavybit invest in?

Heavybit invests most often at Seed and Series A (57% of the rounds on record), in sectors such as Infrastructure, Middleware and Iaas.

### How active is Heavybit?

44 investments on record, 9 of them in the last 12 months, and it led 1. The most recent was in Sept 2026.

### What has Heavybit invested in recently?

Its most recent investments on record: Antfly (Pre-seed, Sept 2026), groundcover (Series C, Jul 2026) and Reo.Dev (Series A, Jul 2026).

### How big are Heavybit's cheques?

The median round it joins is $7.8M. It says it writes cheques of $500K to $5.0M.

### Does Heavybit lead rounds?

Sometimes: it led 1 of its 44 investments on record (2%).

### Where does Heavybit invest?

Most of the companies it backs are in the United States (74%), Israel (9%) and the United Kingdom (9%).

### Is Heavybit investing now?

Yes: it is actively investing, with 9 investments in the last 12 months.

### Who does Heavybit invest alongside?

Most often Andreessen Horowitz (4 rounds together), AME Cloud Ventures (3 rounds together) and Scale Venture Partners (3 rounds together).

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