Bloomberg 500 (B500) Index Adds Sixteen Securities Following Semi-Annual Reconstitution
NEW YORK, Aug. 27, 2025 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 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:
Security Ticker
Security Name
BICS Sector
Index Event
AFRM UW
Affirm Holdings Inc
Financials
Addition
ALAB UW
Astera Labs Inc
Technology
Addition
CG UW
Carlyle Group Inc/The
Financials
Addition
FIX UN
Comfort Systems USA Inc
Industrials
Addition
CYBR UW
CyberArk Software Ltd
Technology
Addition
EME UN
EMCOR Group Inc
Industrials
Addition
INSM UW
Insmed Inc
Health Care
Addition
IP UN
International Paper Co
Materials
Addition
JBL UN
Jabil Inc
Technology
Addition
NI UN
NiSource Inc
Utilities
Addition
NRG UN
NRG Energy Inc
Utilities
Addition
NTNX UW
Nutanix Inc
Technology
Addition
RKLB UR
Rocket Lab Corp
Industrials
Addition
SOFI UW
SoFi Technologies Inc
Financials
Addition
TPR UN
Tapestry Inc
Consumer Discretionary
Addition
VIK UN
Viking Holdings Ltd
Consumer Discretionary
Addition
AKAM UW
Akamai Technologies Inc
Technology
Deletion
AMTM UN
Amentum Holdings Inc
Technology
Deletion
AVTR UN
Avantor Inc
Health Care
Deletion
ENTG UW
Entegris Inc
Technology
Deletion
EPAM UN
EPAM Systems Inc
Technology
Deletion
LINE UW
Lineage Inc
Real Estate
Deletion
MOH UN
Molina Healthcare Inc
Health Care
Deletion
RAL UN
Ralliant Corp
Industrials
Deletion
RVTY UN
Revvity Inc
Health Care
Deletion
SNDK UW
Sandisk Corp/DE
Technology
Deletion
SWK UN
Stanley Black & Decker Inc
Industrials
Deletion
SWKS UW
Skyworks Solutions Inc
Technology
Deletion
WLK UN
Westlake Corp
Materials
Deletion
The B500 is available to Terminal clients at {B500 INDEX <GO>}. All research and methodology for the indices are available at .
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SOURCE Bloomberg L.P.