SPGM offers broad global exposure with a heavy U.S. tilt, while IEMG targets developing markets with higher yields. Compare costs, holdings, and returns.
The State Street SPDR Portfolio MSCI Global Stock Market ETF (SPGM) and the iShares Core MSCI Emerging Markets ETF (IEMG) both cost 0.09% a year, but they belong in different corners of a portfolio. SPGM offers a single-ticket global equity allocation, while IEMG targets developing economies with a heavier concentration in Asia and technology.
SPGM holds about 2,900 stocks across developed and emerging markets. More than 60% of the fund is in U.S. companies. Its top positions are Nvidia, with a 4.3% weight, and Apple at 4.2%. Technology makes up 31% of the portfolio, followed by Financial Services at 16%. Over the trailing 12 months the fund paid $1.54 per share, giving a distribution yield of 1.8% at recent prices near $84. Nvidia, a top holding, carries an Alpha Score of 74 on AlphaScala's scale, and the NVDA profile provides more detail on that name. SPGM launched in 2012 and has returned a 10-year total of roughly 220%, or about 12.3% annualised. That trails the S&P 500's 300% over the same stretch, a gap that reflects the fund's global – not purely U.S. – exposure.
IEMG is concentrated on emerging economies. Its top three holdings are Taiwan Semiconductor at 13.5%, Samsung Electronics at 6.1%, and SK Hynix at 5.0%. More than 80% of the fund sits in the Asia-Pacific region, with Taiwan alone accounting for 28%. Technology occupies 44% of the portfolio. The trailing-12-month distribution was $1.80 per share, which at a recent price of about $78 works out to a 2.3% yield. Over the past decade the fund delivered a total return of 132%, or 8.8% annualised, well behind both SPGM and the S&P 500.
Volatility matters. IEMG has a higher beta than SPGM because emerging markets tend to swing more sharply on currency moves, trade policy, and commodity cycles. SPGM's heavy U.S. weighting dampens that ride but also means the investor gets less diversification away from American market risk. The dividend spread is real: IEMG yields about half a percentage point more, which compensates partly for the higher volatility.
Which one fits depends on the investor's goal. SPGM works as a core holding for someone who wants one fund covering the world's stocks and can accept the U.S. bias. IEMG works as a satellite for someone who already owns U.S. exposure and wants a dedicated developing-markets slice with a yield kick. Neither is wrong – they are designed for different jobs.
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