Jane Street Group, LLC and three affiliated entities filed an amended Schedule 13G with the SEC on November 6, 2026, disclosing beneficial ownership of Riot Platforms, Inc. common stock as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: Jane Street Group, LLC reported 10,494,413 shares of Riot Platforms common stock, representing 2.8% of the class.
  • No sole voting or dispositive power: All 10,494,413 shares are held with shared voting power and shared dispositive power; sole voting and sole dispositive power are each reported as 0.
  • Jane Street Capital, LLC reported 8,210,745 shares, or 2.2% of the class, all on a shared basis.
  • Jane Street Global Trading, LLC reported 2,281,177 shares, or 0.6% of the class, all on a shared basis.
  • Jane Street Singapore Pte. Ltd reported 2,491 shares, or 0.0% of the class, all on a shared basis.
  • Filing trigger date: The event requiring this statement occurred on September 30, 2026.
  • 5% threshold: The filing identifies ownership as 5 percent or less of the class under Item 5.

Jane Street Group's Position in Riot Platforms as of September 30, 2026

According to the filing, Jane Street Group, LLC, a Delaware holding company, submitted Amendment No. 1 to its Schedule 13G disclosing a combined beneficial ownership position of 10,494,413 shares of Riot Platforms, Inc. (NASDAQ:RIOT) common stock, no par value per share (CUSIP: 767292105). The aggregate position represents 2.8% of the outstanding class. The filing states that Jane Street Group, LLC holds its position through three subsidiaries: Jane Street Capital, LLC; Jane Street Global Trading, LLC; and Jane Street Singapore Pte. Limited.

As disclosed, none of the reporting persons hold sole voting or sole dispositive power over any shares. Jane Street Capital, LLC accounts for 8,210,745 of the shares on a shared basis, while Jane Street Global Trading, LLC accounts for 2,281,177 shares and Jane Street Singapore Pte. Ltd accounts for 2,491 shares, each also entirely on a shared basis. The filing notes that the aggregate reported by the parent, Jane Street Group, LLC, is 10,494,413 shares with shared voting and shared dispositive power across all entities.

The filing certifies, per Item 10, that "the securities referred to above 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." Jeremy Kahn signed as authorized signatory on behalf of all four reporting entities on November 6, 2026. Riot Platforms, Inc. is headquartered at 85 Rio Grande Drive, Suite 200, Castle Rock, Colorado 80104, according to the filing.

What Was Disclosed

Jane Street Group, LLC and three affiliates filed an amended Schedule 13G reporting aggregate beneficial ownership of 10,494,413 shares of Riot Platforms common stock, equal to 2.8% of the class, as of September 30, 2026, all held with shared voting and dispositive power.