According to a recent report in the Financial Times, the largest public pension fund in the US, the California Public Employee Retirement System, has drastically cut its holdings in tech giants in the first half of 2026, reducing the number of “Big Seven Tech” shares it directly holds by 26%. This move shows that as global concerns about the sustainability of AI investments increase, large institutional investors are actively reducing the risk of market concentration.

According to a recent report in the Financial Times, the largest public pension fund in the US, the California Public Employee Retirement System, has drastically cut its holdings in tech giants in the first half of 2026, reducing the number of “Big Seven Tech” shares it directly holds by 26%. This move shows that as global concerns about the sustainability of AI investments increase, large institutional investors are actively reducing the risk of market concentration.