United States · Investor

Heavybit

Last cheque observed Sep 2026; 44 cheques on record.

Email

Deploying nowNew fund $5.9M, Jul 2026VC firm

Pre-seedSeedSeries AInfrastructureMiddlewareIaas

Deploying now
75%of best year9cheques in 12 months, 44 on record
Since the last cheque60days00hrs00min00sec
Median round$7.8MCheque size, as they say$500K – $5.0MRounds led1 of 44Sole investor6 roundsExits1 from the portfolioMostly inUnited States, 74%
Pitch Heavybit

Heavybit highlights

  1. 01

    9 cheques in the last 12 months

  2. 02

    Mostly Seed and Series A: 57% of its rounds

  3. 03

    Sole investor in 6 rounds, median $2.7M

  4. 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-seedSeedSeries A
Sectors
InfrastructureMiddlewareIaas
Based in
San Francisco, United States
Cold pitches
Not accepted

The record

Every round we can evidence, newest first44 appearances

  1. 2026

    7 rounds

  2. Sept
    AntflyPre-seed · US$2.0MSole investor
  3. Jul
    groundcoverSeries C · IL · Ventureburn$100MWith 5 others
  4. Jul
    Reo.DevSeries A · US$11MWith 3 others
  5. Jun
    StrixSeed · US$6.7MWith 3 others
  6. May
    ModiqoPre-seed · US$3.0MSole investor
  7. Feb
    DuckbillVenture · US$7.8MWith 1 other
  8. Jan
    Musical AISeed · US$4.5MWith 1 other
  9. 2025

    9 rounds

  10. Nov
    MilestoneSeed · IL · TechCrunch$10MLed
  11. Nov
    Revinu IO LLCSeed · US$2.4MSole investor
  12. Oct
    UnikraftSeed · DE$6.0MWith 4 others
  13. Oct
    BrontoSeed · IE$14MWith 1 other
  14. Oct
    Reo.DevSeed · US$4.0MWith 1 other
  15. Sept
    PerimevitySeed$1.8MSole investor
  16. Apr
    ReccePre-seed · US$4.0MWith 2 others
  17. Apr
    groundcoverSeries B · IL$35MWith 1 other
  18. Mar
    KosliSeries A · US$10MWith 2 others
  19. 2024

    4 rounds

  20. Nov
    LocalStackSeries A · CH · TechCrunch$25MWith 2 others
  21. Aug
    Kubiya.aiSeed · US$6.0MSole investor
  22. May
    UserfrontSeed · US$5.3MSole investor
  23. Apr
    Exploding GradientsPre-seed · US$500KWith 2 others
  24. 2023

    2 rounds

  25. Dec
    MemgraphSeed · GB$2.5MWith 4 others
  26. Nov
    ContinueSeed · US$5.1MWith 1 other
  27. 2022

    4 rounds

  28. Nov
    MetristSeed · US$4.0MWith 1 other
  29. Nov
    OrbitVenture · US$2.8MWith 3 others
  30. Sept
    Jeli.ioSeries A · US$15MWith 3 others
  31. Feb
    RADARSeries C · US$55MWith 2 others
  32. 2021

    6 rounds

  33. Nov
    TESTIMSeries C · US$10MWith 3 others
  34. Nov
    Treasure DataVenture · US$234MWith 5 others
  35. Nov
    Gradle Inc.Series C · US$27MWith 4 others
  36. Sept
    Tonic.aiSeries B · US$35MWith 5 others
  37. Aug
    MoesifSeries A · US$12MWith 3 others
  38. Jun
    AsertoSeed$5.1MWith 1 other
  39. 2020

    1 round

  40. Oct
    ShipyardSeed$2.3MWith 2 others
  41. 2019

    3 rounds

  42. Dec
    OverOpsVentureUndisclosedWith 2 others
  43. Jul
    CircleCISeries D · US · FinSMEs$56MWith 8 others
  44. Jun
    Meteor SoftwareVenture$22MWith 1 other
  45. 2018

    4 rounds

  46. Dec
    LightStepSeries C · US · FinSMEs$41MWith 5 others
  47. Sept
    SnykSeries B · GB · FinSMEs$22MWith 2 others
  48. Apr
    PusherSeries A · GB · FinSMEs$8.0MWith 3 others
  49. Mar
    KloudlessSeries A · US · FinSMEs$6.0MWith 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 registration2 named

JLJames LindenbaumMemberiForm ADV
TJThomas Jonathan Patrick DrummondManaging DirectoriFiling 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

$547Mgross assets of its fundsOct 2026
Exemptreporting adviserventure or small private funds
Legal name
Heavybit, LLC
SEC number
CRD 291776

Exits from the portfolio

Companies it backed that were later bought or listed1 in all

CodenvyBought by RedhatUndisclosedMay 2017

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

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 HorowitzVC firm4rounds togetherAME Cloud VenturesVC firm3rounds togetherScale Venture PartnersVC firm3rounds togetherBain Capital VenturesVC firm2rounds togetherGokul RajaramAngel2rounds togetherHarrison MetalVC firm2rounds togetherInsight PartnersVC firm2rounds togetherLightspeed Venture PartnersVC firm2rounds togetherNotable CapitalVC firm2rounds togetherSierra VenturesVC firm2rounds togetherTechstarsVC firm2rounds togetherTrue VenturesVC firm2rounds together

Recently backed

The latest companies Heavybit put money into.

Antfly$2.0M · Sept 2026Reo.Dev$11M · Jul 2026Modiqo$3.0M · May 2026Duckbill$7.8M · Feb 2026Musical AI$4.5M · Jan 2026Unikraft$6.0M · Oct 2025

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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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it