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Interactive Brokers Stock Jumps. It’s Joining the S&P 500 This Week.

Aug 25, 2025 18:04:00 -0400 by Janet H. Cho | #Markets

The stock will replace Walgreens Boots Alliance, which is in a deal with private equity firm Sycamore Partners. (Tiffany Hagler-Geard/Bloomberg)

Interactive Brokers Group’s stock was rising late Monday after news that it is joining the S&P 500 this week.

Interactive Brokers’ stock rose 4.4% in late trading, to $65.54, after closing up 0.6% in regular trading.

The Connecticut-based investment holding company and current S&P MidCap 400 constituent trades on the Nasdaq under the ticker symbol “IBKR.” It will replace pharmacy retailer Walgreens Boots Alliance before trading opens on Thursday. Walgreens is being acquired by the private equity firm Sycamore Partners in a deal expected to be completed soon, S&P Dow Jones Indices said.

Talen Energy , which produces and sells electricity, will replace Interactive Brokers in the S&P MidCap 400, also before trading opens on Thursday.

Kinetik Holdings, a provider of oil and gas production and distribution services, will replace Pacific Premier Bancorp in the S&P SmallCap 600, effective before trading opens on Tuesday, Sept. 2. S&P MidCap 400 constituent Columbia Banking System is acquiring Pacific Premier Bancorp in a deal expected to close soon, pending final closing conditions.

Write to Janet H. Cho at janet.cho@dowjones.com