SCHEDULE: FMR LLC Reports Stake in Magnite Inc.

FMR LLC, through its affiliates, has disclosed beneficial ownership of 3.1% of Magnite Inc.'s common stock as of March 31, 2026.

Summary

• FMR LLC, along with its affiliates FIAM LLC, Fidelity Management & Research Company LLC, and Strategic Advisers LLC, has filed a Schedule 13G.
• The filing indicates beneficial ownership of 4,507,418.57 shares of Magnite Inc. common stock.
• This represents approximately 3.1% of the class of securities outstanding as of March 31, 2026.
• Abigail P. Johnson, a Director, Chairman, and CEO of FMR LLC, is also noted as a significant owner through family trusts, potentially forming a controlling group with FMR LLC.
• The filing asserts that 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: 5

Explanation: StockSavvy.ai views this as a neutral filing, as it is a routine disclosure of beneficial ownership by an institutional investor and does not provide new operational or financial information about Magnite Inc.

Positives

• FMR LLC, a significant investment management entity, holds a substantial stake in Magnite Inc., indicating confidence in the company's prospects.
• The filing confirms that the shares are held in the ordinary course of business, suggesting a passive investment approach rather than an attempt to gain control.

Negatives

• The filing does not contain any negative financial results or operational challenges for Magnite Inc.

Risks

• While not explicitly stated as risks in this filing, any significant shift in FMR LLC's investment strategy or holdings could impact Magnite Inc.'s stock price due to the size of their stake.
• The influence of the Johnson family through voting agreements on FMR LLC's decisions could be a factor in future corporate actions.

Future Outlook

This filing is a disclosure of beneficial ownership and does not contain forward-looking statements or guidance from Magnite Inc. itself. FMR LLC's future actions regarding its stake are not specified.

Management Comments

• FMR LLC and Abigail P. Johnson certify that the securities 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.

Industry Context

StockSavvy.ai notes that this Schedule 13G filing by FMR LLC, a major asset manager, indicates a significant institutional holding in Magnite Inc., a player in the digital advertising technology space. Such filings are common for institutional investors and reflect their investment positions.

Stakeholder Impact

• Shareholders: The filing confirms a significant institutional holding by FMR LLC, which can be viewed positively by other investors as a sign of institutional confidence. However, it does not directly impact current share value.
• Management of Magnite Inc.: The filing is a disclosure and does not directly impact management's operational responsibilities, though it confirms FMR LLC's passive investment stance.
• Employees: No direct impact is indicated.

Next Steps

• FMR LLC will continue to hold its shares in Magnite Inc. in the ordinary course of business, subject to its investment strategies.
• Magnite Inc. will continue its operations in the digital advertising technology sector.

Key Dates

Keywords

Magnite Inc., FMR LLC, Schedule 13G, Beneficial Ownership, Common Stock, Investment, Securities Filing, Abigail P. Johnson, Fidelity