MU, LRCX, AMAT, GEV All Added to the S&P 100 As AI Stocks Gain Influence

"The S&P 100 is not just a prestige list. It tracks the 100 largest U.S. companies by market cap, and inclusion triggers mandatory buying from every index fund and ETF that tracks it. The iShares S&P 100 ETF (OEF) holds $29.4 billion in assets and must now add all four stocks to its holdings. That's automatic, price-insensitive demand."

"The move, detailed in the official S&P Global announcement, is a clear signal of how completely AI infrastructure has reshaped the landscape of America's largest public companies. Four AI stocks were added, and PayPal, American International Group, MetLife, and Target were removed."

"It's also worth noting that Information Technology already makes up 39.4% of OEF's weighting, with NVIDIA alone sitting at 10.76% of the fund. These four additions deepen the index's tilt toward the AI buildout even further."

S&P Dow Jones Indices conducted major index rebalancing, adding Vertiv, Lumentum, Coherent, and EchoStar to the S&P 500, while the S&P 100 added Micron Technology, Lam Research, Applied Materials, and GE Vernova. These four AI infrastructure stocks replaced PayPal, American International Group, MetLife, and Target. S&P 100 inclusion triggers mandatory purchases from index funds and ETFs tracking the index, including the iShares S&P 100 ETF with $29.4 billion in assets. This rebalancing reflects AI infrastructure's profound impact on reshaping America's largest public companies. Information Technology already comprises 39.4% of the S&P 100 ETF's weighting, with NVIDIA alone at 10.76%, and these additions deepen the index's AI tilt further.

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