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Marvell Technology and Flex Ltd. to Join S&P 500 Index

Marvell Technology and Flex Ltd. are slated for inclusion in the S&P 500, a move that will see them replace Pool Corporation and Campbell Soup Company. This reconstitution reflects shifts in market capitalization and sector representation within the prominent index.

6/21/2026, 11:46:18 AM

Effective June 24, 2024, Marvell Technology (NASDAQ: MRVL) and Flex Ltd. (NASDAQ: FLEX) will become constituent members of the S&P 500 index. This significant development for both companies was announced by S&P Dow Jones Indices, indicating a reshuffling of the index components. The two incoming companies are set to take the places of Pool Corporation (NASDAQ: POOL) and Campbell Soup Company (NYSE: CPB), which will transition to the S&P MidCap 400 index. These adjustments are a routine part of maintaining the S&P 500 as a relevant benchmark for large-cap U.S. equities, ensuring it accurately reflects current market dynamics and sector leadership, according to Seeking Alpha. Marvell Technology, a semiconductor company known for its infrastructure solutions, has seen its market valuation grow substantially, making it a fitting candidate for the prestigious index. Its inclusion underscores the increasing importance of technology and hardware in the broader economy. Similarly, Flex Ltd., a global manufacturing and supply chain solutions company, has demonstrated considerable market presence and operational scale, qualifying it for elevation to the S&P 500. Conversely, the departure of Pool Corporation, a prominent distributor of swimming pool supplies and related equipment, and Campbell Soup Company, a long-standing food processing and beverage firm, signifies their reclassification into the mid-cap segment. These companies retain their strong market positions within their respective industries but no longer meet the specific large-cap criteria for the S&P 500 at this juncture. The inclusion in the S&P 500 is often viewed as a positive catalyst for companies, as it typically leads to increased demand for their shares from index-tracking funds. This passive investment flow can provide a boost to liquidity and potentially the stock price of newly added constituents. Investors tracking these developments will be observing the market reactions closely as the effective date approaches.

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