SCHEDULE: Jane Street Group Discloses 3.2% Stake in Riot Platforms

Jane Street Group, LLC and its affiliates reported beneficial ownership of 3.2% of Riot Platforms, Inc.'s common stock as of December 31, 2025.

Summary

• Jane Street Group, LLC, along with its subsidiaries Jane Street Capital, LLC, Jane Street Options, LLC, Jane Street Global Trading, LLC, and Jane Street Singapore Pte. Ltd, collectively reported beneficial ownership of Riot Platforms, Inc. common stock.
• As of December 31, 2025, Jane Street Group, LLC beneficially owned an aggregate of 11,871,284 shares of Riot Platforms, Inc. common stock.
• This aggregate ownership represents 3.2% of the total class of Riot Platforms, Inc. common stock.
• The reporting persons hold shared voting power and shared dispositive power over all 11,871,284 shares.
• The filing certifies that the securities were not acquired for the purpose of changing or influencing the control of Riot Platforms, Inc.

Sentiment

Score: 6

Explanation: StockSavvy.ai views this as a moderately positive development, as the disclosure of a significant institutional holding by a reputable firm like Jane Street Group can be interpreted as a vote of confidence in Riot Platforms, Inc. or the broader sector, though it is purely an ownership disclosure.

Positives

• A significant institutional investor like Jane Street Group holding a 3.2% stake in Riot Platforms, Inc. may signal institutional confidence in the company or the sector.
• The disclosure provides transparency regarding a notable institutional position in the company's stock.

Future Outlook

NA

Management Comments

• Jeremy Kahn, as an Authorized Signatory for Jane Street Group, LLC and its subsidiaries, certified that the securities were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of Riot Platforms, Inc., and were not acquired or 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 Rule 14a-11.

Industry Context

StockSavvy.ai notes that Jane Street Group, a prominent quantitative trading firm, disclosing a significant stake in Riot Platforms, a leading Bitcoin mining company, highlights continued institutional interest and liquidity in the cryptocurrency and blockchain infrastructure sector. This type of filing reflects the ongoing integration of digital asset-related companies into traditional financial markets.

Comparison to Industry Standards

• This filing is a standard regulatory disclosure of beneficial ownership and does not contain performance metrics or operational results that would allow for direct comparison to industry performance standards or specific comparable companies' projects and results.

Stakeholder Impact

• Shareholders may view the disclosure of Jane Street Group's stake as a positive signal, potentially indicating increased institutional interest and liquidity for Riot Platforms, Inc. stock.

Key Dates

Keywords

Riot Platforms, Jane Street Group, Beneficial Ownership, Schedule 13G, Common Stock, Institutional Investor, Blockchain, Bitcoin Mining