SCHEDULE: Energy Capital Partners Group Discloses 6.1% Stake in Constellation Energy

A group of investment entities led by ECP ControlCo, LLC, has reported a collective beneficial ownership of 6.1% of Constellation Energy Corp's common stock.

Summary

• ECP ControlCo, LLC and 17 affiliated entities have filed a Schedule 13G, disclosing their beneficial ownership in Constellation Energy Corp.
• The group collectively holds 22,043,724 shares of Constellation Energy Corp's common stock.
• This aggregate ownership represents 6.1% of the total 362,355,476 shares outstanding as of January 7, 2026.
• The filing states that the securities were not acquired for the purpose of changing or influencing the control of Constellation Energy Corp.
• ECP ControlCo, LLC is the managing member of several key reporting entities, including Energy Capital Partners III, LLC, Energy Capital Partners IV, LLC, and ECP Calpine GP, LLC, and its board of managers collectively shares voting and dispositive power over the securities.

Sentiment

Score: 5

Explanation: This is a routine Schedule 13G filing disclosing beneficial ownership by an investment group. It contains no operational or financial performance data, nor does it indicate any intent to influence control, thus maintaining a neutral sentiment.

Positives

• Disclosure of a significant institutional investment group holding a substantial stake (6.1%) in Constellation Energy Corp, potentially indicating confidence in the company's long-term prospects.
• The filing explicitly states the investment is not for the purpose of changing or influencing control, suggesting a passive, long-term investment approach from this group.

Stakeholder Impact

• Shareholders: Provides transparency regarding significant institutional ownership, which can be a factor in market perception and liquidity. The explicit statement of not seeking to influence control may reassure existing management and other shareholders.

Key Dates

Keywords

Constellation Energy Corp, ECP ControlCo, Energy Capital Partners, Schedule 13G, beneficial ownership, common stock, institutional investment, energy sector, utility, power generation