InforCapital
CompanyUnited StatesUpdated Feb 22, 2026
Post Oak Energy Capital

Post Oak Energy Capital

Post Oak Energy Capital: Investor • focus on Infrastructure • active in North America • offices in United States • AUM $2.3B.

Company Profile

Post Oak Energy Capital is a Houston-headquartered private equity firm founded in 2006. With a core focus on upstream oil & gas, midstream infrastructure, oilfield services, and mineral rights across North America, the firm teams up with experienced energy executives to support growth and value creation.

The firm employs a hands-on, aligned-investment approach—linking incentive compensation to equity value creation—by working closely with portfolio management teams. It leverages its energy expertise to add strategic, operational, and financing support, particularly through structuring equity and advisory-led partnerships in core producing basins.

Post Oak actively manages a diversified portfolio, including direct upstream companies, midstream services, and mineral/royalty assets. Notably, it participates institutional equity rounds (e.g. Quantent Energy Partners in September 2024) and continuously acquires mineral interests—over 85,000 net royalty acres in the Permian and Haynesville regions.

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