SCHEDULE: Vanguard Boosts Phillips 66 Stake to 12.79%

The Vanguard Group has reported an increased beneficial ownership of 12.79% in Phillips 66 common stock as of September 30, 2025.

Summary

• The Vanguard Group beneficially owns an aggregate of 51,721,704 shares of Phillips 66 common stock.
• This ownership represents 12.79% of the total class of Phillips 66 securities.
• Vanguard holds sole dispositive power over 47,826,858 shares and shared dispositive power over 3,894,846 shares.
• Vanguard has shared voting power over 2,399,066 shares and no sole voting power.
• The securities were acquired and are held in the ordinary course of business, without the purpose or effect of changing or influencing the control of Phillips 66.

Sentiment

Score: 6

Explanation: The filing is a routine disclosure of a significant passive ownership stake by a major institutional investor, The Vanguard Group, in Phillips 66. It indicates continued confidence from a large asset manager without suggesting any active intent to influence control, thus leaning slightly positive due to the endorsement of a large holder.

Positives

• A major institutional investor, The Vanguard Group, maintains a significant stake of 12.79% in Phillips 66, indicating continued confidence in the company as a passive investment.

Future Outlook

N/A

Industry Context

This filing reflects a routine disclosure of a significant passive investment by a large asset manager in a major energy company. It confirms The Vanguard Group's continued substantial presence in the energy sector through its holdings in Phillips 66.

Stakeholder Impact

• Shareholders: Provides transparency regarding a major institutional investor's stake, potentially reinforcing confidence in the company's long-term prospects.

Key Dates

Recommendation

This Schedule 13G filing is a routine disclosure by The Vanguard Group, indicating a passive ownership stake of 12.79% in Phillips 66. It confirms a significant institutional holding but does not provide new operational or financial data about Phillips 66 that would warrant a change in investment thesis. The stated purpose is for ordinary course of business, not to influence control. Therefore, a 'hold' recommendation is appropriate for existing investors, as the filing does not present new information to alter current positions.

Keywords

Phillips 66, PSX, Vanguard Group, Institutional Ownership, Common Stock, SEC Filing, Schedule 13G, Investment Adviser, Beneficial Ownership