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

TigerAug 25, 2025 10:30 PM

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S&P Dow Jones Indices will make the following changes to the S&P 500, S&P MidCap 400, and S&P SmallCap 600:

S&P MidCap 400 constituent Interactive Brokers Group Inc. (NASD: IBKR) will replace Walgreens Boots Alliance Inc. (NASD: WBA) in the S&P 500, and Talen Energy Corp. (NASD: TLN) will replace Interactive Brokers Group in the S&P MidCap 400 effective prior to the opening of trading on Thursday, August 28. Sycamore Partners is acquiring Walgreens Boots Alliance in a deal expected to be completed soon, pending final closing conditions.
Kinetik Holdings Inc. (NYSE: KNTK) will replace Pacific Premier Bancorp Inc. (NASD: PPBI) in the S&P SmallCap 600 effective prior to the opening of trading on Tuesday, September 2. S&P MidCap 400 constituent Columbia Banking System Inc. (NASD: COLB) is acquiring Pacific Premier Bancorp in a deal expected to close soon, pending final closing conditions.

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

Kinetik shares jumped 6.6% in extended trading, Interactive Brokers and Talen gained more than 4%, Walgreens rose 0.3%.

Disclaimer: The information provided on this website is for educational and informational purposes only and should not be considered financial or investment advice.

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