United States · Investor

Quantum Energy Partners

Filed with the SEC to raise a fund in Nov 2025, closing $3,459M. Last cheque observed Oct 2019.

QuietNew fund $3.5B, Nov 2025VC firmNow at quantumcap.com

Pre-seedSeedSeries AClimate & ImpactClimateTech & CleanTechEnergy

Cheques on record
0%of best year0cheques in 12 months, 1 on record
Since the last cheque2574days00hrs00min00sec
Median round$300MRounds led0 of 1
Pitch Quantum Energy Partners

Quantum Energy Partners highlights

  1. 01

    1 rounds on record

  2. 02

    Mostly Series D: 100% of its rounds

What they do

Filed 1 private fund offering with the SEC, the most recent in 2015-05From their own website
Type
VC firm (from a list, unverified)
Cheque size
Not stated
Stages
Pre-seedSeedSeries ASeries B
Sectors
Climate & ImpactClimateTech & CleanTechEnergy
Based in
Houston, United States
Cold pitches
Not stated

The record

Every round we can evidence, newest first1 appearances

  1. 2019

    1 round

  2. Oct
    RigUpSeries D · US · FinSMEs$300MWith 5 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 registration12 named

AVA. V. Jones, Jr.Member of QEM V, LLC, General PartneriFiling they signed
ALAlan L. SmithMember of QEM V, LLC, General PartneriFiling they signed
DLDavid L. BoleMember of QEM V, LLC, General PartneriFiling they signed
DWDheeraj Wilbert VermaAuthorized Person of QEM VI, LLC, the General PartneriFiling they signed
JVJames Vernon BairdAuthorized Person of QEM VI, LLC, the General PartneriFiling they signed
JHJohn H. Campbell, JrMember of QEM V, LLC, General PartneriFiling they signed
MPMichael P. DaltonAuthorized Signatory of QEM V, LLC, General PartneriFiling they signed
RARoman A. BejgerExecutive Officer, PromoteriFiling they signed
SWS. Wil VanLoh, Jr.Member of QEM V, LLC, General PartneriFiling they signed
SVScott V. SolerMember of QEM V, LLC, General PartneriFiling they signed
SJSidney, Jr. Wilbert VanLohAuthorized Person of QEM VI, LLC, the General PartneriFiling they signed
TRToby R. NeugebauerMember of QEM V, LLC, General PartneriFiling they signed

We also hold 34 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.

Recently backed

The latest companies Quantum Energy Partners put money into.

Quick answers about Quantum Energy Partners

What does Quantum Energy Partners invest in?

Quantum Energy Partners invests most often at Series D (100% of the rounds on record), in sectors such as Climate & Impact, ClimateTech & CleanTech and Energy.

How active is Quantum Energy Partners?

1 investments on record, 0 of them in the last 12 months. The most recent was in Oct 2019.

What has Quantum Energy Partners invested in recently?

Its most recent investments on record: RigUp (Series D, Oct 2019).

How big are Quantum Energy Partners's cheques?

The median round it joins is $300M.

Is Quantum Energy Partners investing now?

No investments in the last 12 months; the latest was in Oct 2019.

What kind of investor is Quantum Energy Partners?

Quantum Energy Partners is a VC firm based in Houston, United States.

Has Quantum Energy Partners raised a new fund?

Its latest fund filing with the SEC was in Nov 2025, reporting $3.5B raised.

When was Quantum Energy Partners founded?

Quantum Energy Partners was founded in 1998.

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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