Record High at 122.62 Euros, but the iShares MSCI World ETF’s Tech Overhang Grows

World's largest ETF hits record €122.62, but top 10 holdings (27.55%) are US tech giants. Yearly gain 23.84% masks concentration risk. Key support €121.29.

A fund that promises global diversification has hit an all-time high of 122.62 euros per share, yet its portfolio tells a far more concentrated story. The iShares Core MSCI World UCITS ETF closed Friday at a new 52-week peak, gaining 1.60% over the week and 23.84% over the past twelve months. But beneath that headline rally lies an increasingly lopsided bet on a handful of US technology giants.

The top ten holdings now account for 27.55% of the fund’s assets, with Nvidia leading the pack at a 6.04% weighting. Apple follows at 4.95%, and Microsoft sits at roughly 3.46% — though the exact figures shift slightly depending on the data snapshot. The dominance of the Magnificent Seven and semiconductor leaders has driven performance, but it also raises a classic risk: what happens when those names stumble?

In US dollar terms, the fund’s trajectory was more mixed last week. After opening at $140.17 and dipping to $139.47, it recovered to a Tuesday high of $141.16 before closing Friday at $140.77 — a weekly loss of 0.28%. That currency effect underscores a key nuance for international investors: the euro-denominated record masks a minor pullback in the underlying dollar value. Year-to-date, the ETF has climbed 9.71%, with total net assets swelling to $143.76 billion, making it the world’s largest product of its kind.

The market’s late-Friday action in the US adds another layer. While European exchanges were closed, heavyweights Nvidia and Alphabet lost ground on Wall Street, while Apple managed modest gains. Those mixed signals from mega-caps are likely to set the tone for Monday’s European open. The short-term technical picture rests on a support level of 121.29 euros; a break below that would sour the immediate momentum. Conversely, the 50-day moving average at 115.03 provides a deeper floor, and the fund’s 10% premium above the 200-day line confirms the trend remains intact.

The concentration question has prompted some investors to look at alternatives. The rival Vanguard FTSE All-World ETF holds over 3,700 stocks and adds emerging markets, yet its fee of 0.19% is negligibly different from the iShares product’s 0.20%. The MSCI World index itself covers about 1,308 stocks across 23 developed markets, representing 85% of free-float-adjusted market capitalisation — broad, but not as broad as the name implies.

Despite the tech tilt, investor cash continues to flow in. According to the Investment Company Institute, global equity funds attracted $2.5 billion net in the week ending May 13. Analysts at UBS have described a “blue sky” scenario for global equities, and the fund’s relative strength index sits at 59.6 — suggesting room to run before hitting overbought territory. The resistance level in dollar terms at $142.46 and the euro support at 121.29 will be the key battlegrounds.

For now, the world’s largest ETF is enjoying a record. But the rally’s narrow base means that a single earnings miss or regulatory shift in Big Tech could swiftly test whether this “world” fund is truly built to weather a storm.