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Bloomberg Indices announced the following changes to the Bloomberg 500 (B500) Index effective prior to the open of trading on Thursday, March 12, 2026, to coincide with the March 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.
AST SpaceMobile, Inc. (ASTS UW), Bloom Energy Corporation (BE UN), Ciena Corporation (CIEN UN), Coherent Corp.S (COHR UN), EchoStar Corporation (SATS UW), Flutter Entertainment PLC (FLUT UN), FTAI Aviation Ltd. (FTAI UW), Lumentum Holdings Inc. (LITE UW), Nebius Group N.V. (NBIS UW), Royal Gold, Inc. (RGLD UW), and Sandisk Corporation of Delaware (SNDK UW) will enter the index. These equities span a variety of sectors, but Technology is most represented amongst this set.
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:
Index Event | Security Ticker | Company Name | BICS Sector |
Addition | ASTS UW | AST SpaceMobile Inc | Communications |
Addition | BE UN | Bloom Energy Corp | Industrials |
Addition | CIEN UN | Ciena Corp | Technology |
Addition | COHR UN | Coherent Corp | Technology |
Addition | SATS UW | EchoStar Corp | Communications |
Addition | FLUT UN | Flutter Entertainment PLC | Consumer Discretionary |
Addition | FTAI UW | FTAI Aviation Ltd | Industrials |
Addition | LITE UW | Lumentum Holdings Inc | Technology |
Addition | NBIS UW | Nebius Group NV | Technology |
Addition | RGLD UW | Royal Gold Inc | Materials |
Addition | SNDK UW | Sandisk Corp/DE | Technology |
Deletion | ALGN UW | Align Technology Inc | Health Care |
Deletion | ARE UN | Alexandria Real Estate Equities Inc | Real Estate |
Deletion | BAH UN | Booz Allen Hamilton Holding Corp | Technology |
Deletion | BAX UN | Baxter International Inc | Health Care |
Deletion | BF/A UN | Brown-Forman Corp | Consumer Staples |
Deletion | BF/B UN | Brown-Forman Corp | Consumer Staples |
Deletion | BLDR UN | Builders FirstSource Inc | Consumer Discretionary |
Deletion | BSY UW | Bentley Systems Inc | Technology |
Deletion | CLX UN | Clorox Co/The | Consumer Staples |
Deletion | FDS UN | FactSet Research Systems Inc | Financials |
Deletion | NTNX UW | Nutanix Inc | Technology |
Deletion | SNAP UN | Snap Inc | Communications |
Deletion | SOLS UW | Solstice Advanced Materials Inc | Materials |
Deletion | UDR UN | UDR Inc | Real Estate |
Deletion | VSNT UW | Versant Media Group Inc | Communications |
Deletion | ZBRA UW | Zebra Technologies Corp | Technology |
The B500 is available to Terminal clients at {B500 INDEX
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. 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
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SOURCE Bloomberg L.P.
