SCHEDULE: Vanguard Discloses 7.04% Stake in Magnolia Oil & Gas

Vanguard Portfolio Management has reported a beneficial ownership of 7.04% in Magnolia Oil & Gas Corp. common stock as of March 31, 2026.

Summary

• Vanguard Portfolio Management, along with its affiliates Vanguard Fiduciary Trust Company and Vanguard Global Advisers, LLC, has disclosed beneficial ownership of 13,070,608 shares of Magnolia Oil & Gas Corp. common stock.
• This holding represents 7.04% of the class of securities.
• The filing indicates that Vanguard Portfolio Management has sole dispositive power over these shares.
• Sole voting power is held for 87,213 shares, while shared voting power is reported as 0.
• The reporting date for this ownership is March 31, 2026.
• The securities were acquired and are held in the ordinary course of business and not for the purpose of influencing control of the issuer.

Sentiment

Score: 6

Explanation: StockSavvy.ai views this as a neutral to slightly positive filing. While it indicates significant institutional interest, it's a routine disclosure of ownership rather than a performance update.

Positives

• Vanguard's significant stake suggests confidence in Magnolia Oil & Gas Corp.'s long-term prospects.
• The filing confirms that the shares are held in the ordinary course of business, indicating a standard investment approach rather than a hostile takeover attempt.

Negatives

• The filing does not contain any negative financial or operational information about Magnolia Oil & Gas Corp. itself, as it is a disclosure of beneficial ownership by an investment manager.

Risks

• Potential for increased market influence by Vanguard on Magnolia Oil & Gas Corp. due to its substantial ownership.
• Changes in Vanguard's investment strategy could lead to significant buying or selling pressure on Magnolia Oil & Gas Corp. stock.

Future Outlook

The filing does not contain specific forward-looking statements or guidance from Magnolia Oil & Gas Corp. It is a disclosure of beneficial ownership by Vanguard.

Management Comments

• "In accordance with SEC Release No. 34-39538 (January 12, 1998), this Schedule 13G reflects the securities beneficially owned, or deemed to be beneficially owned, by Vanguard Portfolio Management LLC and the following affiliates of Vanguard Portfolio Management LLC or business divisions of such affiliates: Vanguard Fiduciary Trust Company and Vanguard Global Advisers, LLC."
• "This Schedule 13G includes securities held by Vanguard funds, or sleeves thereof, over which Vanguard Portfolio Management LLC exercises dispositive power, in addition to securities held by clients over which the affiliates or business divisions of such affiliates indicated above exercise dispositive and/or voting power."
• "This Schedule 13G does not include securities, if any, beneficially owned by other subsidiaries or affiliates of Vanguard Portfolio Management LLC, or business divisions of such subsidiaries whose ownership of securities is disaggregated from that of the reporting business unit in accordance with such release."
• "By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under 240.14a-11."

Industry Context

StockSavvy.ai notes that a significant stake by a major asset manager like Vanguard in an energy company like Magnolia Oil & Gas Corp. can signal underlying confidence in the sector's stability and growth potential, especially given current market dynamics and energy transition considerations.

Stakeholder Impact

• Shareholders of Magnolia Oil & Gas Corp.: The significant stake held by Vanguard may provide a degree of stability to the stock price and could influence future corporate actions.
• Vanguard Investors: The performance of Magnolia Oil & Gas Corp. will directly impact the returns of the Vanguard funds and accounts holding its shares.

Next Steps

• Vanguard will continue to hold or manage its stake in Magnolia Oil & Gas Corp. according to its investment strategy.
• Magnolia Oil & Gas Corp. will continue its operations as disclosed in its other SEC filings.

Key Dates

Keywords

Magnolia Oil & Gas Corp, Vanguard Portfolio Management, Schedule 13G, Beneficial Ownership, Common Stock, SEC Filing, Investment Management, Energy Sector