🦊/Investors

EnCap Energy Transition

Private equityActively deployingoperating company · company profile

Houston · Seed–Late Stage · 12 people tracked

Also known as ENCAP ETF MANAGEMENT, LLC · ENCAP INVESTMENTS L.P.

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Investment thesis

EnCap invests in the energy sector across upstream, midstream, and energy transition platforms, backing seasoned management teams with proven track records, strong technical and operational skills, and well-defined business plans. The firm applies a conservative, disciplined approach to deploying capital in incremental stages as business plans prove themselves. It favors experienced teams that value strong stakeholder relationships and limits leverage to balance capital preservation with value creation. EnCap also targets early-stage opportunities where its sector expertise adds value, and continues to identify attractive segments including those arising from the global transition to a lower-carbon energy system. ESG factors are integrated into its investment decision-making.

Source: firm website, verified Sep 15, 2026.

Stage
Seed–Late Stage
HQ
Houston, US
Instruments
Equity
Founded
1988
Last 12 months
1 investment
AUM
$2B
VC funds
4
Tracked investments
53
Unicorns
3
Acquisitions
8

Team · 12 people

from the firm's website & public directories
D. Martin Philips· General Partner
D. Martin Phillips· General Partner
David B. Miller· General Partner
Douglas E. Swanson· General Partner
Douglas E. Swanson Jr.· General Partner
Gary R. Petersen· General Partner
Gary R. Peterson· General Partner
James A. Hughes· General Partner
Jason M. DeLorenzo· General Partner
Robert L. Zorich· General Partner

What they invest in

from 31 of 53 portfolio companies

Energy ×31Cleantech ×10Climate Tech ×7Logistics & Supply Chain ×6Data & Infrastructure ×1Enterprise Software ×1Hardware ×1IoT ×1

HQs:United States×27Australia×1

Investments · 53 tracked

founders shown can be your intro path
Aithersystemsaithersystems.com✓ verified

Aither Systems manufactures and manages distributed energy resources including microgrids and renewable energy storage systems.

CleantechEnergyHardwareIoT

Mr. BultKen BultJim Conigliaro(Chief Technology Officer)

Catalyzecatalyze.energyin✓ verified

Catalyze develops, finances, builds, owns, and operates on-site renewable energy systems — combining solar, storage, and EV charging — for commercial and industrial real estate owners and operators across national portfolios in the US, with no upfront capital cost to the property owner.

CleantechClimate TechEnergyPropTechSaaSMadison, US

Mohan Balachandran(Executive Officer, Director)Travis Good(Executive Officer, Director)

BoardMark Bakken(Director)James Burgum(Director)inDon Layden(Director)

Co-investorsInnosphere VenturesArthur VenturesBaird Venture PartnersChicago VenturesLewis & Clark Ventures

Doubleeagledevelopmentdoubleeagledevelopment.comin✓ verified

Double Eagle Energy V is an oil and gas company that acquires leasehold interests and mineral royalties and pursues development projects, focused on the Permian Basin and operating across Texas, the Rockies, and the Mid-Continent.

EnergyFort Worth, US

Co-investorsElda River

Modamidstreammodamidstream.com✓ verified

Moda Midstream is an independent logistics provider specializing in midstream infrastructure, including marine terminals, crude storage, and pipeline assets serving the energy and petrochemical industries.

EnergyLogistics & Supply ChainKingwood, US

Co-investorsEnCap Flatrock Midstream

Novoognovoog.com✓ verified

Novo Oil and Gas is an oil and gas operator focused on developing assets in the Delaware Basin, leveraging technical expertise and capital to extract from liquids-rich formations.

EnergyOklahoma City, US

PennEnergy Resourcespennenergyresources.comOct 2025✓ verified

PennEnergy Resources is an independent oil and gas company focused on acquiring and developing unconventional shale resources in the Appalachian Basin.

CleantechEnergyPennsylvania, US

Richard D. Weber(Founder)inGregory D. Muse(Founder)

Solarproponentsolarproponent.com✓ verified

Solar Proponent operates in the energy sector, though the page provides limited detail on specific business operations or market focus.

CleantechClimate TechEnergyAustin, US

Cassandra Rinaldo(Chief Executive Officer and Solar Proponent Board Member)

Swordfishenergyswordfishenergy.com✓ verified

Swordfish Energy operates in upstream oil and gas, focusing on asset acquisition, development, and operations.

EnergyHouston, US

Marcos Briceno(Founder & CEO)Patrick Sherman(Founder & CFO)

Co-investorsPEARL ENERGY INVESTMENTS

Verdunoilcoverdunoilco.com✓ verified

Verdun Oil Company is a privately held oil and gas exploration and production company that acquires, develops, and produces assets in the Eagle Ford shale and Austin Chalk trends in South Texas.

EnergyHouston, US

Tim Nein(President & CEO)Jason LaGrega(Executive Vice President of Drilling and Completions)Will Rider(Executive Vice President of Land & Business Development)Martin Perez(Executive Vice President of Engineering)

3Roperating3roperating.comin

Ridge Runner Resources II is a privately held oil and gas company focused on acquisition, optimization, and development of unconventional assets in the Permian Basin.

EnergyHouston, US

Scott Germann(Co-Chief Executive Officer)Brian Cassens(Co-Chief Executive Officer)

Aspen Midstreamaspenmidstream.com

Aspen Midstream operates a portfolio of natural gas transmission, gathering, processing, and related infrastructure assets serving oil and gas producers across North America.

EnergyLogistics & Supply ChainDallas, US

Co-investorsEnCap Flatrock Midstream

Blackswanogblackswanog.com

Black Swan aims to optimize land and mineral operations through data analytics and engineering expertise.

Data & InfrastructureEnergy

Brazosmidstreambrazosmidstream.comin

Brazos Midstream is a midstream services provider operating in the Permian Basin's Midland Basin, serving oil and gas producers and operators.

Energy

Co-investorsEnCap Flatrock Midstream

Clearforkmidstreamclearforkmidstream.com

Clearfork is a midstream oil and gas company with leadership possessing over 105 years of combined industry experience.

EnergyFort Worth, US

Kipper OverstreetBrent Worthy(CFO)

Co-investorsEnCap Flatrock Midstream

Dunamis Energydunamis-energy.comin

Dunamis Energy develops and operates oil and gas assets in Colorado with backing from EnCap Energy Capital Fund XII.

CleantechEnergyColorado, US

John McCready(CEO)in

Co-investorsEnCap Energy Capital

Edgewatermidstreamedgewatermidstream.com

Edgewater Midstream provides midstream services to the producing community, leveraging combined management and engineering expertise across its partner team.

EnergyLogistics & Supply ChainHouston, US

Co-investorsEnCap Flatrock Midstream

Encinoenvironencinoenviron.comin

Encino Environmental Services provides emissions performance testing, detection, quantification, monitoring, and mitigation solutions for the oil and gas industry and other industrial and critical infrastructure operations.

CleantechClimate TechEnergyEnterprise Software

Enduringresourcesenduringresources.com

Enduring Resources is an energy company engaged in oil and gas exploration, development, and production across multiple US basins, with operations centered in the central US corridor.

EnergyDenver, US

Greenfieldmidstreamgreenfieldmidstream.comin

Greenfield operates midstream infrastructure projects with a management team experienced across major U.S. basins, serving oil and gas producers.

EnergyLogistics & Supply ChainHouston, US

Chris Coxon(CEO)in

Co-investorsEnCap Flatrock Midstream

Grenadierenergygrenadierenergy.com

Grenadier Energy Partners is an energy company focused on oil and gas exploration, development, and production across major US shale basins including the Barnett Shale, Marcellus Shale, and Permian Basin.

EnergyFort Worth, US

Patrick J. Noyes(Founder, President and CEO)Kyle Noyes(President and Chief Operating Officer)

Lineaenergylineaenergy.comin𝕏

Linea Energy develops renewable energy projects including solar, wind, and battery energy storage systems.

CleantechClimate TechEnergy

Cassidy DeLine(Chief Executive Officer)inJacob Steubing(Chief Commercial Officer)in

Manchesterenergymanchesterenergy.comin

Manchester Energy develops and operates a diversified energy logistics platform focused on midstream infrastructure and energy solutions.

CleantechClimate TechEnergyLogistics & Supply ChainHouston, US

Khalid A. Muslih(Chief Executive Officer)inForrest E. Wylie(Executive Vice President, Strategy and Commercial)

Co-investorsEnCap Flatrock Midstream

Mantlereachmantlereach.com

Mantle Reach Power develops and operates utility-scale renewable energy projects, including wind, solar, and battery storage facilities across North American power markets.

CleantechClimate TechEnergy

Nick Karambelas(Chief Executive Officer)Luke Pangman(Chief Legal Officer, Head of Transactions)Paul Rapp(Chief Operating Officer, Head of Engineering)

Momentummidstreammomentummidstream.com

Momentum Midstream builds and operates critical midstream infrastructure for transporting oil and natural gas across major U.S. supply basins.

EnergyGulf Coast, US

Co-investorsEnCap Flatrock Midstream

Paloma Natural Gaspalomanaturalgas.com

Paloma Natural Gas is an independent exploration and production company focused on developing and producing natural gas, primarily in the Louisiana Haynesville region.

Energy

Palomaresourcespalomaresources.com

Paloma Resources is an oil and gas exploration and production company operating across multiple onshore and offshore basins including the Permian, Haynesville, and Eagle Ford shale formations.

Energy

Christopher N. O'Sullivan(President & Founder)

Parliamentenergyparliamentenergy.us

Parliament Energy develops, builds, and manages utility-scale solar energy projects, including its 640MWdc Parliament Solar project in Waller County, Texas, which powers roughly 88,000 homes annually.

CleantechClimate TechEnergyHouston, US

Plainsallamericanplainsallamerican.comin

Plains All American operates energy infrastructure in North America, delivering midstream energy services to communities and customers while generating returns for investors.

EnergyLogistics & Supply Chain

Co-investorsStonepeak

Plellcplellc.comin

PetroLegacy Energy is a privately-held oil and gas exploration and production company that acquires and develops oil and gas properties.

EnergyAustin, US

Sabaloenergysabaloenergy.com

Sabalo II Energy is an exploration and production company that acquires and develops upstream oil and gas assets.

EnergyCorpus Christi, US

Barry ClarkinMike Dignamin

Tumbleweedroyaltytumbleweedroyalty.com

Tumbleweed Royalty acquires mineral, royalty, and overriding royalty interests in the Permian Basin across Texas and New Mexico.

Energy

John SellersCody Campbell

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

Black Swan Oil & GasCardinalmpDouble Eagle IVEncino Environmental ServicesEnduring Resources IVFrontier EnergyGrayson Mill EnergyGrenadier Energy IIINovo Oil & GasPaloma Partners IVPegasus Resources IIPegasusresourcesPetroLegacy Energy IIPiedra Resources IIIPiedra Resources IVQuanticainfraRangelandmidstreamRidge Runner IISabalo Energy IITumbleweed Royalty IVX2 ResourcesX2R

Exits · 8

8 acquisitions

Black Swan Oil & Gasacq. by Ovintiv Inc.Double Eagle IVacq. by Diamondback Energy, Inc.Novo Oil & Gasacq. by Earthstone Energy, Inc. (with Northern Oil and Gas, Inc. co-acquiring a working interest)Paloma Partners IVacq. by Mach Natural Resources LPPetroLegacy Energy IIacq. by Ovintiv Inc.Piedra Resources IIIacq. by Ovintiv Inc.Piedra Resources IVacq. by Ovintiv Inc.Tumbleweed Royalty IVacq. by Viper Energy, Inc. (Diamondback Energy subsidiary)

Portfolio news

latest coverage across their companies

Public market activity · per SEC filings

what is this? ⓘ

58 insider ownership filings (Forms 3/4/5)

Files 13F institutional holdings reports · latest Aug 2026

From the firm's own SEC EDGAR filings — stakes and insider roles in public companies, typically portfolio companies after an IPO. Not a portfolio list published by the firm.

Frequently asked questions

How many investments has EnCap Energy Transition made?
EnCap Energy Transition has 53 tracked investments, 8 of which have exited, including 1 dated in the last 24 months.
What stage does EnCap Energy Transition invest at?
EnCap Energy Transition invests at the Seed, Growth, Late Stage stages.
What sectors does EnCap Energy Transition focus on?
EnCap Energy Transition focuses on Cleantech, Climate Tech, Energy.
Where is EnCap Energy Transition located?
EnCap Energy Transition is headquartered in Houston, US.
Who does EnCap Energy Transition co-invest with?
EnCap Energy Transition most often shares deals with EnCap Flatrock Midstream, Innosphere Ventures, Stonepeak, among 3 tracked co-investors.

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