SCHEDULE: FMR LLC Discloses 8% Stake in Riot Platforms

FMR LLC and Abigail P. Johnson have reported a beneficial ownership of 8.0% of Riot Platforms Inc. common stock as of September 30, 2025.

Summary

• FMR LLC and Abigail P. Johnson collectively beneficially own 30,372,871.19 shares of Riot Platforms Inc. common stock.
• This ownership represents 8.0% of the total outstanding common stock of Riot Platforms Inc.
• The event requiring this filing occurred on September 30, 2025.
• FMR LLC holds sole voting power over 30,145,316.23 shares and sole dispositive power over 30,372,871.19 shares.
• Abigail P. Johnson holds sole dispositive power over 30,372,871.19 shares, with no sole or shared voting power directly attributed.
• The securities were acquired and are held in the ordinary course of business, not for the purpose of changing or influencing control of Riot Platforms Inc.
• FMR LLC is classified as a parent holding company or control person, with several subsidiaries identified as investment advisers or banks, including Fidelity Management & Research Company LLC, which beneficially owns 5% or greater of the outstanding shares.
• Members of the Johnson family, including Abigail P. Johnson, are the predominant owners of FMR LLC's Series B voting common shares, representing 49% of the voting power.

Sentiment

Score: 6

Explanation: The sentiment is moderately positive due to the disclosure of a significant passive stake by a major institutional investor, FMR LLC, in Riot Platforms Inc. This indicates institutional confidence, although the filing itself is purely an ownership disclosure without operational or financial performance details.

Positives

• A significant institutional investor, FMR LLC, and its principal, Abigail P. Johnson, have taken an 8.0% stake in Riot Platforms Inc., which can be interpreted as a vote of confidence in the company's prospects.
• The investment is stated to be in the ordinary course of business, indicating a passive, long-term investment strategy rather than an activist one.

Future Outlook

This filing does not contain forward-looking statements or guidance from Riot Platforms Inc. or the reporting persons regarding future performance or operational outlook.

Industry Context

This filing indicates significant institutional interest from a major asset manager, FMR LLC, in Riot Platforms Inc., a prominent player in the cryptocurrency mining sector. Such an investment by a large, established financial institution can signal growing mainstream acceptance or confidence in the long-term viability of companies operating in the digital asset space.

Stakeholder Impact

• Shareholders may view the significant stake by FMR LLC and Abigail P. Johnson as a positive signal, potentially increasing investor confidence and market perception of Riot Platforms Inc.

Key Dates

Recommendation

The filing indicates a significant passive stake by a major institutional investor, FMR LLC, and its principal, Abigail P. Johnson, in Riot Platforms Inc. While this is a positive signal of institutional interest and confidence, the Schedule 13G itself does not provide operational or financial performance data to warrant a stronger recommendation. It primarily reflects an investment held in the ordinary course of business, not for control purposes, suggesting a long-term, passive position rather than an immediate catalyst for significant price movement based solely on this disclosure.

Keywords

RIOT Platforms, FMR LLC, Abigail P. Johnson, Schedule 13G, beneficial ownership, common stock, institutional investor, asset management, passive investment