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Bloomberg 500 (B500) Index Adds Sixteen Securities Following Semi-Annual Reconstitution
Bloomberg Indices announced the following changes to the Bloomberg 500 (B500) Index effective prior to the open of trading on Thursday, September 11, to coincide with the semi-annual reconstitution of the index. The B500 contains the 500 most highly capitalized US companies weighted by float market cap, reflecting a market capitalization of $58.19 trillion.
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NEW YORK , Aug. 27, 2025 /PRNewswire/ -- Bloomberg Indices announced the following changes to the Bloomberg 500 (B500) Index effective prior to the open of trading on Thursday, September 11 , to coincide with the semi-annual reconstitution of the index. The B500 contains the 500 most highly capitalized US companies weighted by float market cap, reflecting a market capitalization of $58.19 trillion . Affirm Holdings, Inc. (AFRM), Astera Labs, Inc. (ALAB), The Carlyle Group, Inc. (CG), CyberArk Software, Ltd. (CYBR), EMCOR Group, Inc. (EME), Comfort Systems USA , Inc. (FIX), Insmed, Inc. (INSM), International Paper Company (IP), Jabil, Inc. (JBL), NiSource, Inc. (NI), NRG Energy, Inc. (NRG), Nutanix, Inc. (NTNX), Rocket Lab Corporation (RKLB), SoFi Technologies, Inc. (SOFI), Tapestry, Inc. (TPR), and Viking Holdings Ltd. (VIK) will enter the index. These equities span a variety of sectors, but Technology is most represented amongst this set, with Financial and Industrials directly following. Changes to the B500 Index reflect the results of a purely rules-based index design focused on measuring markets with transparency and representativeness beyond market capitalization alone. As a result, the B500 mitigates potential biases and systematically evaluates potential members, which may lead to earlier additions of qualified companies when compared to indices using a committee-based approach. Following is the list of membership changes: The B500 is available to Terminal clients at {B500 INDEX <GO>}. All research and methodology for the indices are available at Bloombergindices.com . About Bloomberg Index Services Limited Bloomberg's index team has a proven track record in creating industry-leading and bespoke indices across asset classes, including their flagship fixed income, commodity and equity indices. Bloomberg Index Services Limited (BISL) takes an innovative approach to delivering strategic benchmarks that help market participants address their evolving investment needs. The indices, which are seamlessly integrated with other Bloomberg solutions, draw on a comprehensive range of trusted data and reliable technology for calculations, analytics and workflow automation, along with distribution capabilities that can help amplify the visibility of our customers' products. About Bloomberg Bloomberg is a global leader in business and financial information, delivering trusted data, news, and insights that bring transparency, efficiency, and fairness to markets. The company helps connect influential communities across the global financial ecosystem via reliable technology solutions that enable our customers to make more informed decisions and foster better collaboration. For more information, visit Bloomberg.com/company or request a demo . View original content to download multimedia: https://www.prnewswire.com/news-releases/bloomberg-500-b500-index-adds-sixteen-securities-following-semi-annual-reconstitution-302540344.html SOURCE Bloomberg L.P.