SCHEDULE: Susquehanna Group Discloses 4.4% Passive Stake in Sunrun

A group of Susquehanna-affiliated entities has disclosed a 4.4% passive beneficial ownership stake in Sunrun Inc., totaling over 10 million shares.

Summary

• A group of six affiliated entities, including G1 Execution Services, LLC, SIG Brokerage, LP, Susquehanna Fundamental Investments, LLC, Susquehanna Investment Group, Susquehanna Portfolio Strategies, LLC, and Susquehanna Securities, LLC (collectively, the "Reporting Persons"), has filed an Amendment No. 1 to Schedule 13G.
• The Reporting Persons collectively beneficially own 10,091,066 shares of Sunrun Inc. common stock.
• This aggregate amount represents 4.4% of Sunrun Inc.'s outstanding common stock, based on 230,732,572 shares outstanding as of August 1, 2025.
• The beneficial ownership includes options to buy shares, specifically 9,038,600 shares for Susquehanna Securities, LLC, and an unspecified number for SIG Brokerage, LP and Susquehanna Investment Group.
• The filing indicates that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing the control of Sunrun Inc., classifying it as a passive investment.

Sentiment

Score: 6

Explanation: A passive disclosure of a significant stake by a reputable financial group is generally seen as a neutral to slightly positive signal, indicating institutional interest without implying activist intent or providing new operational insights.

Positives

• The disclosure of a significant 4.4% stake by a reputable financial group like Susquehanna may signal institutional confidence in Sunrun Inc.'s long-term prospects.
• The passive nature of the investment suggests a belief in the company's current management and strategic direction without intent for activist intervention.

Risks

• The filing itself does not detail specific risks related to Sunrun Inc.'s operations or financial health, as it is a beneficial ownership disclosure.

Future Outlook

This filing does not contain any forward-looking statements or guidance from Sunrun Inc. or the reporting persons regarding the issuer's future performance.

Industry Context

Sunrun Inc. is a leading residential solar, storage, and energy services company. A significant passive investment from a major financial group like Susquehanna indicates continued institutional interest in the renewable energy sector and established players within it, despite broader market fluctuations or specific industry challenges.

Stakeholder Impact

• Shareholders may view this as a positive signal of institutional confidence in Sunrun Inc., potentially contributing to market stability or positive sentiment.
• The passive nature of the investment suggests no immediate impact on company strategy or governance from these specific investors.

Key Dates

Recommendation

This filing indicates a significant passive institutional investment in Sunrun Inc. by the Susquehanna group. While it signals institutional confidence and interest, a Schedule 13G filing itself does not provide new operational or financial performance data to warrant a change in investment thesis. It primarily serves as a disclosure of ownership, suggesting a 'hold' recommendation as it confirms existing institutional interest without providing new catalysts for a 'buy' or 'sell.'

Keywords

Sunrun, RUN, Susquehanna, G1 Execution Services, SIG Brokerage, Susquehanna Fundamental Investments, Susquehanna Investment Group, Susquehanna Portfolio Strategies, Susquehanna Securities, Schedule 13G, beneficial ownership, passive investment, solar energy, common stock