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What companies make up the S&P 500 index?

Updated May 16, 2024
The world's leading stock market index, the S&P 500 or simply called S&P, is one of the most popular indexes that is actively followed all across the globe for keeping track of the broader-level U.S. stock market. Constituting around 500 different listed companies that actively trade on the leading stock exchanges like NASDAQ and NYSE, S&P 500 is considered to be the best measure of large-cap American equities market. More than $10 trillion worth of financial securities - like mutual funds, index funds, ETFs and several variants of derivatives - are linked to the popular index.
While the S&P 500 index represents a single number, it derives its value based on the market capitalization of more than 500 different companies. Since the index takes into account the top 500 companies as per their market capitalization, regular changes the index companies is required. Such changes are needed so that the stocks of the companies which are no longer in the top 500 can be replaced by the ones which have gained more market cap over a period. Another reason for changes to the index is to ensure all included company meet the set criteria (other than market cap limit). Usually, the constituent companies are checked for their eligibility to remain in the S&P 500 index once a quarter. Those which no longer remain in the top 500, or those which fail on eligibility measures, are removed, and new ones come in to take their place. There are additional criteria for the participant companies which must be met before the company gets included in the benchmark index.
Beyond individual stocks, one can also explore the several different ways in which one can invest in the S&P 500 index, including the list of S&P 500 ETFs

List of All S&P 500 Index Companies

Following is the list of all the companies that make up the S&P 500 index with their corresponding market capitalization values as of December 2018. The list is presented in the alphabetical order of the ticker symbols of the constituent companies. For ranking of S&P 500 companies by market-cap, one can refer to Market Cap of S&P 500 Companies.
This table is usually updated at the end of each month. If you frequently check for the S&P 500 company list or associated values, please bookmark this site.
 TickerCompany NameSub-sectorSectorMarket Cap (Sort)
AAgilent Technologies IncBiotech-Laboratory Analytical InstrumentsCapital Goods$45.22 billion
AALAmerican Airlines GroupAir Freight Delivery ServicesTransportation$9.7 billion
AAPLApple Inc.Computer ManufacturingTechnology$2911 billion
ABBVAbbVie Inc.Major PharmaceuticalsHealthcare$290.22 billion
ABNBAirbnb, Inc.Internet Content & InformationCommunication Services$92.56 billion
ABTAbbott LaboratoriesMajor PharmaceuticalsHealthcare$182.44 billion
ACGLArch Capital Group Ltd.Property-Casualty InsurersFinance$37.11 billion
ACNAccenture plcBusiness ServicesTechnology$193.65 billion
ADBEAdobe Systems IncComputer Software-Prepackaged SoftwareTechnology$216.33 billion
ADIAnalog Devices, Inc.SemiconductorsTechnology$106.99 billion
...For full list, please visit List of S&P 500 stocks.

Business Details of Select S&P 500 Companies

Below is the business description for a selective list of the above mentioned companies:
 ◐ Zoetis Inc. (ZTS): Zoetis Inc., incorporated on July 25, 2012, is engaged in the discovery, development, manufacture and commercialization of animal health medicines and vaccines, with a focus on both livestock and companion ...Full Details

 ◐ Zions Bancorp (ZION): Zions Bancorporation, incorporated on April 25, 1955, is a financial holding company. The Company conducts its banking operations through separately managed and branded segments, including Zions Bank, Amegy Bank, California ...Full Details

 ◐ Zebra Technologies Corporation (ZBRA): Zebra Technologies Corporation (Zebra), incorporated on July 10, 1991, designs, manufactures and sells a range of automatic identification and data capture (AIDC) products. The Companys AIDC products include mobile computers, ...Full Details

 ◐ Zimmer Biomet Holdings (ZBH): Zimmer Biomet Holdings, Inc., incorporated on January 12, 2001, is engaged in designing, manufacturing and marketing of orthopedic reconstructive products; sports medicine, biologics, extremities and trauma products; office-based technologies; spine, ...Full Details

 ◐ Yum! Brands Inc (YUM): YUM! Brands, Inc., together with its subsidiaries, develops, operates, and franchises quick service restaurants worldwide. It operates in three segments: the KFC Division, the Pizza Hut Division, and ...Full Details

 ◐ Xylem Inc. (XYL): Xylem Inc. engages in the design, manufacture, and servicing of engineered products and solutions for the water and wastewater applications. It operates in three segments: Water Infrastructure, Applie ...Full Details

 ◐ Dentsply Sirona (XRAY): DENTSPLY SIRONA Inc., incorporated on February 15, 1983, is a manufacturer of professional dental products and technologies. The Company develops, manufactures, and markets solutions offering, including dental and oral health ...Full Details

 ◐ Exxon Mobil Corp. (XOM): Exxon Mobil Corporation explores for and produces crude oil and natural gas in the United States, Canada Other Americas, Europe, Africa, Asia, and Australia Oceania. It operates through Upst ...Full Details

 ◐ Xcel Energy Inc (XEL): Xcel Energy Inc., through its subsidiaries, engages primarily in the generation, purchase, transmission, distribution, and sale of electricity in the United States. It operates through Regulated Elect ...Full Details

 ◐ Wynn Resorts Ltd (WYNN): Wynn Resorts, Limited (Wynn Resorts), incorporated on June 3, 2002, is a developer, owner and operator of destination casino resorts that integrate accommodations and a range of amenities, including dining ...Full Details

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