Key Highlights
- Three new companies—Bloom Energy, Everpure, and Illumina—will enter the S&P 500 index effective September 21, 2026
- Molson Coors Beverage, The Trade Desk, and Builders FirstSource are being demoted to the S&P SmallCap 600
- The departing trio no longer meets the market capitalization requirements for the large-cap benchmark
- Four technology firms—Dell Technologies, Palo Alto Networks, Arista Networks, and Sandisk—are joining the S&P 100
- Four companies—Honeywell Aerospace, Nike, Simon Property Group, and Colgate-Palmolive—are leaving the S&P 100
Three companies are preparing to enter the prestigious S&P 500 index following the quarterly rebalancing announced by S&P Dow Jones Indices. The modifications become effective prior to the opening bell on Monday, September 21, 2026.
The index provider revealed the composition changes on Friday, emphasizing its commitment to maintaining each benchmark’s alignment with its target market capitalization tier.
New Additions and Departures from the S&P 500
Bloom Energy, a producer of fuel-cell power systems for commercial enterprises and data facilities, is replacing Molson Coors Beverage, the beverage giant responsible for popular brands like Coors Light and Miller Lite.
Everpure, specializing in data storage and management technologies, will take the spot currently held by The Trade Desk, a prominent provider of programmatic advertising platform solutions.
Illumina, known for its DNA sequencing and genomics technology, will displace Builders FirstSource, a major distributor of construction materials serving the U.S. home-building market.
The three exiting firms are being relegated to the S&P SmallCap 600 index. Meanwhile, both Everpure and Illumina are receiving promotions from the S&P MidCap 400 to join the large-capitalization S&P 500.
This particular reshuffle strengthens both the information technology and healthcare sectors by one constituent each. Conversely, the consumer staples and communication services sectors will each see one member departure.
Technology Dominance Grows in S&P 100
The S&P 100 index, representing America’s mega-cap companies, is experiencing significant composition changes. Dell Technologies, Palo Alto Networks, Arista Networks, and Sandisk are all being elevated to this elite benchmark.
These four additions will replace Honeywell Aerospace, Nike, Simon Property Group, and Colgate-Palmolive. Notably, all incoming constituents belong to the information technology sector, while none of the exiting companies represent this industry.
This shift underscores the ongoing transformation where technology enterprises increasingly dominate the upper echelons of market capitalization rankings.
Index inclusion typically triggers mechanical buying from passive funds and ETFs that must replicate the benchmark composition. Similarly, deletions force these funds to liquidate positions, creating potential price movements.
These market dynamics frequently materialize in the days preceding the official implementation as sophisticated investors position ahead of anticipated fund flows. However, index membership itself doesn’t alter a company’s fundamental operations or profitability trajectory.
Additional changes in this quarterly adjustment include HubSpot, AGNC Investment, Corcept Therapeutics, and Brinker International ascending to the S&P MidCap 400.
Boston Beer and Capri Holdings are being downgraded from the S&P MidCap 400 to the S&P SmallCap 600.
The SmallCap 600 will welcome Herc Holdings, Delek US Holdings, and several other additions. According to S&P, the companies being removed have outgrown the small-capitalization classification of the U.S. stock market.
Every modification spanning the S&P 500, S&P 100, S&P MidCap 400, and S&P SmallCap 600 indices will be implemented before market open on September 21, 2026.
The post S&P 500 Index Reshuffle: Bloom Energy (BE), Everpure, and Illumina (ILMN) Replace Three Major Companies appeared first on Blockonomi.
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