What Is IEMG? iShares Core MSCI Emerging Markets ETF

IEMG is the iShares Core MSCI Emerging Markets ETF, a single ticker that gives you ownership of roughly 2,700 stocks across emerging markets, weighted by market capitalization. It tracks the MSCI Emerging Markets Investable Market Index, which is designed to capture the investable equity market of developing economies: China, Taiwan, India, Brazil, South Korea, and others, including mainland China A-shares, all the way down into small caps. At a 0.09% expense ratio, it is one of the cheapest ways to own a broad slice of emerging markets in one fund.

The cleanest way to understand IEMG is as one piece of a global portfolio rather than the whole thing. It holds no US stocks and no developed-international stocks (Europe, Japan, Canada). It is the iShares Core counterpart to Vanguard's VWO, and the two are close substitutes with one notable difference: IEMG follows MSCI, which classifies South Korea as emerging, so it holds Samsung and other Korean names, while the FTSE-based VWO treats Korea as developed and leaves it out. In one purchase you own the developing world's largest public companies, with no developed-market or US exposure mixed in.

Approximate weights as of early 2026; refresh quarterly from iShares (BlackRock)'s fund page. Each ticker links to its individual stock guide in Walnut.

Because IEMG is cap-weighted, its top holdings are the giants of the developing world: Taiwan Semiconductor (the largest, around 7%), Tencent, Samsung Electronics, Alibaba, Reliance Industries, PDD Holdings, Infosys, HDFC Bank, MercadoLibre, and Meituan. Taiwan Semiconductor sits well above the rest, and Chinese internet and consumer names cluster near the top, alongside Korean and Indian leaders. See the top-10 table above for current weights. The top 10 make up roughly 30% of the fund, with the long tail of thousands of smaller companies filling out the rest.

By country, China is the largest single weight, typically a quarter to a third of the fund including mainland A-shares, followed by Taiwan and South Korea, then India and Brazil, with smaller positions in Saudi Arabia, South Africa, Mexico and others. South Korea is the country mix's defining feature: its presence is what separates IEMG from VWO and SCHE, which exclude Korea entirely. That country mix is the entire reason to choose IEMG: it is the developing-world market that a US or developed-international fund does not touch, captured in one position, and it leans heavily on China, Taiwan, and Korea.

All three are broad, low-cost, emerging-markets-only funds, and at the holdings level they overlap heavily. The decision comes down to index methodology. IEMG (iShares, 0.09%) tracks an MSCI index that classifies South Korea as an emerging market, so it includes Samsung and other Korean companies, roughly a tenth of the fund. VWO (Vanguard, 0.08%) and SCHE (Schwab, 0.11%) both track FTSE indexes, which treat South Korea as a developed market and exclude it. IEMG also holds fewer names, around 2,700 versus VWO's roughly 5,000.

In practice the funds behave very similarly, and the South Korea classification is the cleanest way to choose between them. If you want Korean exposure (Samsung is a meaningful position) bundled into your emerging-markets slice, IEMG includes it; if you would rather hold Korea separately, or already get it through a developed-markets fund that counts it as developed, VWO or SCHE keep it out. Fees are within a basis point or two across all three, so the choice is structural rather than about cost.

IEMG's total return comes from price appreciation across its emerging-markets holdings plus a dividend that yields roughly 2.0%, paid semi-annually, higher than a US or developed-markets fund because emerging-market companies tend to distribute more. Its returns track emerging markets specifically, which over the past decade have generally trailed US large-caps, since US equities led global markets through that stretch. In periods when emerging markets outperform, often tied to a weaker dollar or faster developing-economy growth, that relationship reverses.

That is the central thing to understand before buying: IEMG is a bet on emerging markets rather than on US or global outperformance. It carries currency risk, country and political risk (heavily weighted toward China, whose policy moves can swing the fund), and higher volatility than developed markets, in exchange for exposure to faster-growing economies and lower valuations. IEMG is best judged over full cycles and against an emerging-markets benchmark rather than against the S&P 500, since matching US returns is not what it is built to do.

IEMG is a common satellite holding for investors who want dedicated emerging-markets exposure on top of a US and developed-international core: one purchase covers the developing world's stock market at a low cost, including South Korea. It suits people who believe emerging markets offer higher long-run growth or who want to own more of them than the global market-cap default provides, and who can tolerate sharper swings to get that exposure.

Where it falls short: IEMG is concentrated, heavily weighted toward China, Taiwan, and Korea, and carries currency, political, and volatility risk that a US or developed-markets fund does not. It is not a standalone core, since it holds no US and no developed-international stocks, and it can lag for years when emerging markets are out of favor. Walnut isn't an investment adviser and this isn't a recommendation, but in conversation Walnut's AI can show you how much emerging-markets exposure you already carry and where IEMG fits alongside a developed-markets fund.

IEMG trades on NYSE Arca during US market hours (9:30am to 4:00pm ET) and is available commission-free at every major broker, including Robinhood, Fidelity, Schwab, Vanguard, Public, M1, and Webull. Fractional shares are supported at most modern brokers, which also lets the dividends reinvest automatically as fractional shares (DRIP), useful for a long-term emerging-markets position.

Walnut doesn't replace your broker, it sits on top of it. Connect any major broker and Walnut adds an AI layer that helps you build baskets around IEMG, track how your holdings are doing against your targets, and rebalance when your allocation drifts.

IEMG is a single-fund bet on emerging markets, China, Taiwan, India, Brazil, and South Korea, at a 0.09% fee, with higher growth potential and higher volatility, currency, and political risk than developed markets. Its main structural quirk is that it includes South Korea, which VWO and SCHE leave out. It fits as the emerging-markets satellite of a diversified portfolio rather than as a standalone core.

Whether IEMG is worth buying today depends more on your time horizon and what you already hold than on any single call. We walk through valuation, concentration, and what would have to be true for it to outperform from here in is IEMG a buy?

IEMG yields ~2.0% as of early 2026, paid by passing through the dividends of its underlying holdings. For the payout schedule, history, and how the distributions are taxed, see IEMG dividend: yield and schedule.