Mirion Technologies Set to Join S&P SmallCap 600

Published: Thursday, September 4, 2025 at 9:28 pm

Mirion Technologies to Join S&P SmallCap 600

NEW YORK – Mirion Technologies Inc. is set to join the S&P SmallCap 600 index, replacing GMS Inc. The change will take effect before the opening of trading on Tuesday, September 9. This shift comes as a result of Home Depot Inc., a component of the S&P 500 and 100 indices, acquiring GMS Inc. The acquisition was finalized today.

The S&P SmallCap 600 index is a key benchmark for small-cap stocks, providing investors with a measure of the performance of smaller companies in the market. The inclusion of Mirion Technologies in the index signifies a notable development for the company, potentially increasing its visibility among investors and potentially impacting its stock performance.

S&P Dow Jones Indices, the entity responsible for managing the index, is the largest global resource for index-based concepts, data, and research. It is also the home of well-known financial market indicators, including the S&P 500 and the Dow Jones Industrial Average. S&P Dow Jones Indices is a division of S&P Global, which provides essential intelligence for individuals, companies, and governments.

BNN's Perspective: The inclusion of Mirion Technologies in the S&P SmallCap 600 is a routine adjustment reflecting market dynamics. While the change itself may not be a major market mover, it highlights the ongoing evolution of the market and the importance of index providers in reflecting these shifts. Investors should always consider the broader market context and conduct thorough research before making investment decisions.

Keywords: Mirion Technologies, S&P SmallCap 600, GMS Inc., Home Depot Inc., S&P 500, S&P Dow Jones Indices, stock market, index, acquisition, investment

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