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Advancing the Global Energy Ecosystem

Founded in 1998, Quantum is a leading global energy-focused private capital franchise, stewarding over $30 billion of capital since inception. We focus on the entire energy value chain, including oil & gas, energy infrastructure, thermal power & renewables, decarbonization, and energy technologies.

Read more about our commitment to advancing the global energy ecosystem in the 2025 Quantum Stakeholder Report.

ABOUT US

About Quantum

Quantum is more than an investment firm – it is a partner for progress. We build companies that ensure energy is abundant, affordable, reliable and developed responsibly. Our team has deep experience investing across the energy value chain, allowing us to meet today’s biggest energy challenges with discipline and agility. We are entrepreneurs first, with a long- term vision and a collaborative mindset. Through our data-driven approach, and vast industry expertise, we are setting the standard for energy excellence.

What We Do

Quantum has developed a platform of investment strategies to take advantage of the wide variety of opportunities within the global energy ecosystem. Our knowledge of energy markets and our capability to invest across the capital structure provide us with unique advantages to support our partner companies. Although we have a flexible investment mandate, we operate with a “one team” mindset.

Private Equity

We provide growth capital to leading energy and sustainability entrepreneurs.

Credit & structured capital

We offer credit-oriented solutions to private and public energy and sustainability companies.

Venture Capital

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We invest in transformative energy and sustainability technology companies.

Our Portfolio

We build great companies led by great people. Since inception, we have made more than 150 investments across the energy industry. Our 25+ year track record of investing in energy has made us a leading partner to entrepreneurs in our sector.

SEE FULL PORTFOLIO

Latest News

Quantum Capital Group Appoints Dwight Scott as Executive Vice Chairman

May 12, 2025

Lone Star State of Mind: Rockcliff Energy III Sets Sights on Texas Shale Assets | Hart Energy

March 5, 2025

Bloomberg Surveillance Interview with Wil VanLoh - Feb. 2025

February 25, 2025

Wil VanLoh: US Energy Security Needs Manhattan Project Intensity | Hart Energy

February 5, 2025

Bloomberg Surveillance Interview with Wil VanLoh - Dec. 2024

December 16, 2024

Heirloom Raises $150 Million Series B to Rapidly Scale Commercial Direct Air Capture

December 04, 2024

Wil VanLoh – 2024 Hall of Fame | Hart Energy

December 2, 2024

Chuck Davidson – 2024 Hall of Fame | Hart Energy

December 2, 2024

FourPoint Resources, Quantum Capital Group and Kayne Anderson to Acquire Ovintiv Uinta Basin Assets for $2 Billion

November 14, 2024

Quantum Capital Amasses $10 Billion for Energy Bets

October 29, 2024

USC Energy Business Summit Presentation by Wil VanLoh – Oct. 2024

October 15, 2024

Lane Neal – Hart Energy 40 Under 40

October 12, 2024

Quantum Teams Looking for Acquisitions ‘Off the Beaten Path’

October 14, 2024

Quantum’s VanLoh: New ‘Wave’ of Private Equity Investment Unlikely | Hart Energy

October 10, 2024

Private Equity Gears Up for Big Opportunities

October 4, 2024

Bloomberg Surveillance Interview with Wil VanLoh - Sept. 2024

September 27, 2024

Vickery Energy Partners Announces Partnership with Quantum Capital Group

September 24, 2024

Quantum Capital Group Acquires Assets from Caerus Oil and Gas for $1.8 Billion

August 19, 2024

Trace Midstream Enters the Northern Delaware Basin With the Acquisition of LM Energy’s Natural Gas Gathering and Transportation

October 4, 2024

Carlyle to sell power producer Cogentrix Energy in $3bn deal

August 5, 2024

Quantum’s Wil VanLoh on Turning ESG into E$G

May 21, 2024

Haventus secures £100 million credit facility from Scottish National Investment Bank and UK Infrastructure Bank

May 13, 2024

Mexico Pacific Completes Option for Additional LNG Offtake with ExxonMobil

January 16, 2024

Rockcliff Energy to be Acquired by TG Natural Resources

December 15, 2023

Climate Investment invest in Trace Carbon Solutions, a leading CCS development platform

August 22, 2023

Quantum Energy Partners Completes Sale of Tug Hill and XcL Midstream Assets

August 22, 2023

Quantum Energy Partners and Bison Announce the Formation of Bison Oil & Gas Partners IV (a QEP VIII company)

February 22, 2023

Quantum Energy Partners Appoints Sharmin Beacco as Chief Compliance Officer

February 14, 2023

Mexico Pacific and ExxonMobil Execution of Long-Term LNG Sales and Purchase Agreements

February 8, 2023

Climate Analytics Firm Risilience Closes $26 Million Series B to Expand Its Science-Based, Climate-Risk Assessment and Net-Zero Planning Platform

February 1, 2023

Women in Energy Honoree: Keila Aires Diamond, Quantum Energy Partners

January 24, 2023

CleanArc Data Centers Launches to Transform the Future of Data Center Power With the Backing of 547 Energy

January 10, 2023

Quantum Energy Partners Expands Leadership Team

January 9, 2023

Project Canary Enters into Strategic Arrangement with Quantum Energy Partners to Facilitate Improvements in Energy Industry ESG Performance

June 07, 2022

Quantum Energy Partners Expands Senior Leadership Team to Support Firm Growth

April 14, 2022

Get In Touch

Contact us to learn more about Quantum.