BlackRock, Inc. filed Amendment No. 7 to its Schedule 13G with the SEC on October 27, 2026, disclosing beneficial ownership of 11,268,097 shares of Rambus Inc. common stock as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: BlackRock reported beneficial ownership of 11,268,097 shares of Rambus Inc. common stock, representing 10.4% of the class.
  • Sole voting power: BlackRock holds sole voting power over 10,943,092 shares, according to the filing.
  • Sole dispositive power: BlackRock holds sole dispositive power over all 11,268,097 shares reported.
  • No shared voting or dispositive power: The filing reports 0 shares subject to shared voting power and 0 shares subject to shared dispositive power.
  • Event date: The date of the event requiring this filing is listed as September 30, 2026.
  • Ordinary course certification: BlackRock certified that the securities "were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer."

BlackRock's Amendment No. 7 Ownership Details for Rambus Inc.

BlackRock, Inc., organized in Delaware and headquartered at 50 Hudson Yards, New York, NY 10001, filed Amendment No. 7 to its Schedule 13G regarding its holdings in Rambus Inc. (CUSIP: 750917106), whose principal executive offices are located at 4453 North First Street, Suite 100, San Jose, CA 95134. The filing was signed on October 27, 2026 by Spencer Fleming, Managing Director of BlackRock, Inc.

According to the filing, BlackRock's aggregate beneficial ownership stands at 11,268,097 shares of Rambus Inc. common stock, equal to 10.4% of the outstanding class. Of that total, 10,943,092 shares are subject to sole voting power, while the remaining shares carry no voting authority attributable to BlackRock under this filing. BlackRock holds sole dispositive power over the entire 11,268,097-share position, with no shared dispositive power reported.

The filing notes that "various persons have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of the common stock of RAMBUS INC." but specifies that "no one person's interest in the common stock of RAMBUS INC is more than five percent of the total outstanding common shares." The reported holdings reflect those of certain business units of BlackRock, Inc. and its subsidiaries and affiliates, as designated under SEC Release No. 34-39538, and do not include securities held by other business units whose beneficial ownership is disaggregated from the Reporting Business Units. The subsidiary detail is provided in Exhibit 99 attached to the filing.

What Was Disclosed

BlackRock, Inc. disclosed beneficial ownership of 11,268,097 shares of Rambus Inc. common stock, representing 10.4% of the class, with sole voting power over 10,943,092 shares and sole dispositive power over the full position, as of September 30, 2026.