Interactive Brokers Group Set to Join S&P 500, Talen Energy to Join S&P MidCap 400 and Kinetik Holdings to Join S&P SmallCap 600

NEW YORK, Aug. 25, 2025 /PRNewswire/ -- S&P Dow Jones Indices will make the following changes to the S&P 500, S&P MidCap 400, and S&P SmallCap 600:

Following is a summary of the changes that will take place prior to the open of trading on the effective date:

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