International investors, particularly those from Anglo-Saxon countries, have steadily increased their control over the Spanish stock market in recent decades, eclipsing traditional family ownership. Analysis reveals that firms like BlackRock, Vanguard, and Norway’s sovereign wealth fund now hold substantial stakes in the Ibex 35, Spain’s benchmark stock market index. These holdings are collectively valued at approximately 113 billion euros. This shift signifies a significant change in the ownership structure of major Spanish companies. The growing influence of these foreign funds raises questions about long-term investment strategies and potential impacts on the Spanish economy. The trend reflects a broader global pattern of institutional investment dominating national stock markets. Experts suggest this concentration of ownership could influence corporate governance and decision-making within Spanish businesses.