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Interactive Brokers to Join S&P 500; Talen Energy, Kinetik to Join S&P MidCap 400, SmallCap 600
ByAinvest
Tuesday, Aug 26, 2025 3:35 am ET1min read
Interactive Brokers Group (IBKR) will replace Walgreens Boots Alliance (WBA) in the S&P 500, moving up from the S&P MidCap 400. Talen Energy (TLN) and Kinetik (KNTK) will join the S&P MidCap 400 and SmallCap 600, respectively.
The S&P Dow Jones Indices announced significant changes to its indices, with Interactive Brokers Group (IBKR) joining the S&P 500, replacing Walgreens Boots Alliance (WBA), and Talen Energy (TLN) and Kinetik Holdings (KNTK) joining the S&P MidCap 400 and S&P SmallCap 600, respectively [1].Interactive Brokers Group Joins S&P 500
Interactive Brokers Group will replace Walgreens Boots Alliance in the S&P 500, effective prior to the opening of trading on Thursday, August 28. Walgreens Boots Alliance is being taken private in a deal with Sycamore Partners, expected to close soon [1]. This move reflects the growing importance of financial services in the S&P 500.
Talen Energy and Kinetik Holdings Join S&P MidCap 400 and S&P SmallCap 600
Talen Energy will join the S&P MidCap 400, replacing Interactive Brokers Group, effective prior to the opening of trading on Thursday, August 28. Talen Energy, an independent power producer, has seen its stock gain more than 3% in extended trading after the announcement. The company has been seen as a beneficiary of increased power demand stemming from electrification and the rise of AI data centers [1].
Kinetik Holdings will join the S&P SmallCap 600, replacing Pacific Premier Bancorp, effective prior to the opening of trading on Tuesday, September 2. Pacific Premier Bancorp is set to be acquired by Columbia Banking System [1].
Impact on Investors
These changes reflect the evolving landscape of the financial markets. Interactive Brokers' addition to the S&P 500 could attract more institutional investors, while Talen Energy's and Kinetik Holdings' inclusion in the S&P MidCap 400 and S&P SmallCap 600, respectively, could bring increased liquidity and visibility to these companies.
References
[1] https://www.cnbc.com/2025/08/25/interactive-brokers-to-join-sp-500-replacing-walgreens-.html
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