NEW YORK, June 26, 2026 /PRNewswire/ -- S&P Dow Jones Indices will make the following changes to the S&P SmallCap 600:
- Gulfport Energy Corp. (NYSE: GPOR) will replace Select Medical Holdings Corp. (NYSE: SEM) effective prior to the opening of trading on Wednesday, July 1. Select Medical Holdings is being acquired in a deal expected to be completed soon, pending final closing conditions.
- Mobility Global Inc. (NYSE: MBGL) will replace Core Laboratories Inc. (NYSE: CLB) effective prior to the opening of trading on Thursday, July 2. S&P 500 constituent S&P Global Inc. (NYSE: SPGI) is spinning off Mobility Global in a transaction expected to be completed July 1. Core Laboratories is no longer representative of the small-cap market space.
Following is a summary of the changes that will take place prior to the open of trading on the effective date:
Effective Date | Index Name | Action | Company Name | Ticker | GICS Sector |
July 1, 2026 | S&P SmallCap 600 | Addition | Gulfport Energy | GPOR | Energy |
July 1, 2026 | S&P SmallCap 600 | Deletion | Select Medical Holdings | SEM | Health Care |
July 2, 2026 | S&P SmallCap 600 | Addition | Mobility Global | MBGL | Industrials |
July 2, 2026 | S&P SmallCap 600 | Deletion | Core Laboratories | CLB | Energy |
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