NEW YORK, June 18, 2025 /PRNewswire/ — APi Group Corp. (NYSE: APG) will replace United States Steel Corp. (NYSE: X) in the S&P MidCap 400 effective prior to the opening of trading on Tuesday, June 24. Nippon Steel Corp. (TSE: 5401) acquired United States Steel in a deal that closed today.
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 |
| June 24, 2025 | S&P MidCap 400 | Addition | APi Group | APG | Industrials |
| June 24, 2025 | S&P MidCap 400 | Deletion | United States Steel | X | Materials |
For more information about S&P Dow Jones Indices, please visit www.spdji.com
ABOUT S&P DOW JONES INDICES
S&P Dow Jones Indices is the largest global resource for essential index-based concepts, data and research, and home to iconic financial market indicators, such as the S&P 500® and the Dow Jones Industrial Average®. More assets are invested in products based on our indices than products based on indices from any other provider in the world. Since Charles Dow invented the first index in 1884, S&P DJI has been innovating and developing indices across the spectrum of asset classes helping to define the way investors measure and trade the markets.
S&P Dow Jones Indices is a division of S&P Global (NYSE: SPGI), which provides essential intelligence for individuals, companies, and governments to make decisions with confidence. For more information, visit www.spdji.com.
FOR MORE INFORMATION:
S&P Dow Jones Indices
index_services@spglobal.com
Media Inquiries
spdji.comms@spglobal.com
SOURCE S&P Dow Jones Indices