SCHEDULE: Vanguard Group Boosts Avista Corp Stake to 13.35%

The Vanguard Group has reported a beneficial ownership of 13.35% in Avista Corp's common stock, totaling 10,835,413 shares.

Summary

• The Vanguard Group, an investment adviser, has filed an Amendment No. 15 to Schedule 13G regarding its beneficial ownership in Avista Corp.
• As of September 30, 2025, Vanguard beneficially owns 10,835,413 shares of Avista Corp's Common Stock.
• This represents 13.35% of the class of securities.
• Vanguard holds sole voting power over 0 shares and shared voting power over 548,462 shares.
• Vanguard holds sole dispositive power over 10,196,363 shares and shared dispositive power over 639,050 shares.
• The securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Avista Corp.

Sentiment

Score: 6

Explanation: The filing is a routine beneficial ownership report, indicating a significant, stable institutional holding. While not directly positive or negative for the issuer's operations, a large, passive institutional stake can be viewed as a sign of stability.

Positives

• The Vanguard Group, a major institutional investor, maintaining a significant stake (13.35%) in Avista Corp may signal long-term confidence in the company's stability and prospects.

Negatives

• NA

Risks

• NA

Future Outlook

This filing does not contain forward-looking statements or guidance from Avista Corp, as it is a beneficial ownership report filed by an institutional investor.

Industry Context

Avista Corp operates in the utility sector, providing energy services. The Vanguard Group is one of the world's largest investment management companies, known for its passive investment strategies and broad market index funds. Its significant stake in Avista Corp is typical for a large-cap utility, often included in various index funds and ETFs managed by Vanguard.

Comparison to Industry Standards

• Vanguard's 13.35% stake in Avista Corp is a substantial passive investment, consistent with its role as a major institutional investor holding significant positions across numerous publicly traded companies, particularly those in stable sectors like utilities, which are often components of broad market indices.

Stakeholder Impact

• Shareholders: The significant stake held by The Vanguard Group, a major institutional investor, may provide a degree of stability to the shareholder base and potentially influence corporate governance through its voting power, albeit passively.
• Management: Management may consider Vanguard's substantial ownership when making strategic decisions, though Vanguard's stated intent is not to influence control.

Key Dates

Keywords

Avista Corp, Vanguard Group, Beneficial Ownership, Schedule 13G, Common Stock, Institutional Investor, Investment Adviser, Utility Sector