Vanguard Capital Management Establishes 5.22% Passive Stake in Rambus Inc (RMBS)

Vanguard Capital Management LLC filed a Schedule 13G on April 30, 2026, reporting a new 5.22% stake in Rambus Inc (RMBS). As of the event date of March 31, 2026, the investment adviser beneficially owns 5,651,568 shares of common stock. This filing represents an increase from a previously reported 0.0% position, crossing the 5% ownership threshold. The report indicates that Vanguard holds sole dispositive power over all 5,651,568 shares, while maintaining sole voting power over 823,714 shares. The filing includes holdings managed by various affiliates, including Vanguard Asset Management Limited and Vanguard Global Advisers, LLC. In accordance with Rule 13d-1(b), Vanguard certified that these securities were acquired in the ordinary course of business and not for the purpose of influencing or changing the control of the issuer. No other single person's interest in these securities exceeds 5%. The principal executive offices of Rambus Inc are located in San Jose, California.