FMR LLC Increases Stake in Rambus Inc. to 10.4%

FMR LLC (Fidelity) filed a Schedule 13G on June 5, 2026, reporting a significant increase in its position in Rambus Inc. (RMBS). As of the event date of May 29, 2026, FMR LLC beneficially owns 11,296,794.81 shares of Rambus common stock, representing a 10.4% ownership stake in the company. This marks a substantial increase from its previously reported position of 3,318,449 shares. The filing indicates that FMR LLC holds sole dispositive power over all 11,296,794.81 shares and sole voting power over 10,756,318 shares. Abigail P. Johnson, as a director and officer of FMR LLC, is also listed as a reporting person with shared dispositive power over the same aggregate amount. The securities were acquired in the ordinary course of business, and the filing asserts that they were not acquired for the purpose of changing or influencing the control of the issuer. This move positions FMR LLC as a major institutional shareholder in the semiconductor technology company.