Every S&P 500 Sector ETF Ranked by How Much It Actually Depends on Just 3 Stocks

Market-cap-weighted sector ETFs lack true diversification, with just three stocks dominating most funds. Consumer Discretionary (XLY) is the most concentrated at 44.7%, followed by Communication Services (XLC) at 43% and Energy (XLE) at 42.1%. The article suggests equal-weighted ETFs as an alternative to avoid concentration risk.