Firm at a glance
EnCap Investments is a platform private equity firm founded in 1988 and headquartered in Houston, Texas, per its own website [S1].
What they buy
EnCap focuses primarily on energy sector investments, with a concentration in upstream oil and gas exploration and production companies [S2]. The firm also backs minerals and royalties platforms, midstream infrastructure, and environmental services businesses within the energy value chain [S2]. Based on its public portfolio, EnCap typically establishes new platform companies rather than acquiring existing businesses, often partnering with experienced management teams to build assets from the ground up [S2].
Portfolio
Upstream Oil & Gas
EnCap’s upstream portfolio includes platform investments in Black Swan Oil & Gas (2017), Double Eagle IV (2022), Dunamis Energy (2024), Enduring Resources IV (2017), Grayson Mill Energy (2016), Grenadier Energy III (2021), Novo Oil & Gas (2016), Paloma Partners IV (2014), Paloma Natural Gas (2021), PennEnergy Resources (2011), PetroLegacy Energy II (2016), Piedra Resources III (2014), Piedra Resources IV (2018), Ridge Runner II (2023), Sabalo Energy II (2021), Verdun Oil Company (2015), and X2 Resources (2018) [S2].
Minerals & Royalties
The firm has backed Pegasus Resources II (2021) and Tumbleweed Royalty IV (2022) as platform investments in the minerals and royalties space [S2].
Midstream
EnCap holds a platform position in Plains All American Pipeline, L.P (2016) [S2].
Environmental Services
Encino Environmental Services (2021) represents the firm’s platform investment in environmental services [S2].
Recent activity (last 24 months)
* June 29, 2026: Exited Cardinal Midstream Partners Delaware Basin Assets [S3]
* October 28, 2025: Closed PennEnergy Continuation Vehicle fund [S3]
* September 9, 2025: Acquired Aspen II [S3]
* July 28, 2025: Acquired Quantica Infrastructure [S3]
* April 24, 2025: Acquired X2 Resources [S3]
* April 2, 2025: Acquired Double Eagle Energy Holdings V and Tumbleweed Royalty V [S3]
How this firm fits a seller
EnCap appears oriented toward energy sector entrepreneurs and management teams seeking growth capital to build new platforms or expand existing positions, rather than traditional owner-operator exits. The firm has raised approximately $47 billion in capital commitments across 25 funds as of January 2026 [S1], suggesting substantial resources for platform development. With offices in Houston and San Antonio [S1], EnCap maintains a Texas presence aligned with major U.S. energy basins. Sellers in upstream oil and gas, minerals and royalties, or energy infrastructure may find sector alignment with the firm’s historical focus.
Sources
[S1] https://www.encapinvestments.com (as of 2026-01-15)
[S2] https://www.encapinvestments.com/about/upstream/portfolio (as of 2026-01-15)
[S3] https://www.encapinvestments.com/news (as of 2026-01-15)
Frequently asked questions
Does EnCap Investments buy upstream oil & gas businesses?
Yes, upstream oil and gas represents EnCap’s primary investment focus based on publicly available portfolio data [S2]. The firm has backed more than 15 upstream platform companies since 2011, including recent platforms such as Dunamis Energy (2024), Ridge Runner II (2023), and Double Eagle IV (2022) [S2].
What companies has EnCap Investments acquired recently?
Recent acquisitions include Double Eagle Energy Holdings V and Tumbleweed Royalty V (April 2025), X2 Resources (April 2025), Quantica Infrastructure (July 2025), and Aspen II (September 2025) [S3].
Where is EnCap Investments based and how big is the firm?
EnCap is headquartered in Houston, Texas, with an additional office in San Antonio, Texas [S1]. The firm reports approximately $47 billion in capital commitments raised across 25 funds as of January 2026 [S1].
Is EnCap Investments still actively acquiring?
Yes, EnCap appears actively acquiring based on multiple transactions in 2025 and 2026, including four acquisitions between April and September 2025 and a portfolio exit in June 2026 [S3].
This profile is maintained by CT Acquisitions as an independent third-party reference. CT Acquisitions is not affiliated with, endorsed by, or a representative of the firm profiled. All facts sourced from publicly available materials as of the dates cited.