Citadel Securities Discloses 3.4% Stake in Bitdeer Technologies Group

On July 27, 2026, Citadel Securities GP LLC and associated reporting persons, including Kenneth Griffin, filed a Schedule 13G regarding their holdings in Bitdeer Technologies Group (BTDR). The filing indicates that Citadel Securities LLC beneficially owns 6,664,874 Class A ordinary shares, representing 3.4% of the class. When aggregating the holdings of all joint filers—including Citadel Securities Group LP, Citadel Advisors LLC, and Citadel GP LLC—Kenneth Griffin is deemed to beneficially own a total of 9,595,542 shares, which constitutes 4.8% of the company's outstanding shares. The reporting persons have shared voting and dispositive power over these shares. The filing was made pursuant to Rule 13d-1(c), certifying that the shares were not acquired for the purpose of changing or influencing the control of the issuer. The percentages are based on 198,913,731 shares outstanding as of April 2026. This position represents a new reported stake for the group as of the event date on July 20, 2026.