
IEMG posted a 50.4% one-year return while its median holding among largest positions gained 2.7%, indicating a narrow set of contributors. Southern Copper at 0.1% was the biggest contributor and the top five names generated 96% gains; five largest positions account for 28.8%, led by Taiwan Semiconductor Manufacturing at 12.7%.
The iShares Core MSCI Emerging Markets ETF returned 50.4% over the past year, while its median holding among the 14 largest positions gained only 2.7%, underscoring that total performance far outpaced that of most individual large-cap constituents.
Analysis of the fund’s top 14 holdings shows half posted gains and half incurred losses, but the five largest contributors generated 96% of the measured gains, highlighting an outsized influence from a small group of stocks.
Southern Copper, despite a 0.1% weight, emerged as the single biggest positive contributor, whereas PDD, at 0.5% of the portfolio, was the largest detractor, illustrating the enhanced sensitivity of fund returns to specific holdings.
Although the ETF contains 2,658 positions, its five largest stocks make up 28.8% of total assets, led by Taiwan Semiconductor Manufacturing at 12.7%, signaling that investors’ practical exposure may be more concentrated than the headline diversification suggests.