Your ‘World’ Fund May Be Mostly American Stocks — Awkward, in a Year When Overseas Markets Are Doing the Heavy Lifting
A fund called Total World is 62% U.S. stocks and shares nine of its top ten holdings with an S&P 500 fund. With international stocks outpacing the S&P 500 this year, it’s worth knowing what you actually own.
By Sean Anees Saifi · Capital Wealth · Published Thursday, September 10, 2026 · Source: The Wall Street Journal, September 8 and 10, 2026 editions (Journal Report: Investing Monthly)
Key Points
Vanguard Total World (VT) is 62% U.S. stocks and shares nine of its top ten holdings with Vanguard’s S&P 500 ETF (VOO).
iShares MSCI World (URTH) is 72% U.S. and has the same top ten holdings as the S&P 500, while Vanguard Total International (VXUS) holds no U.S. stocks and returned 27% over the past year.
There’s no regulatory naming standard: ‘international’ has historically meant developed markets outside the U.S., while ‘world’ and ‘global’ indexes can include the U.S., which makes up 60% to 65% of global market value.
Through Wednesday, the MSCI ACWI ex-USA index was up 15.5% this year versus 11.6% for the S&P 500, and iShares MSCI Emerging Markets (EEM) was up 25.2%.
Gains abroad have been uneven: South Korea’s KOSPI is up 67.3% this year and Taiwan’s market 62.9%, while India’s Sensex is down 12.3%.
62%
U.S. stocks in Vanguard Total World (VT)
72%
U.S. stocks in iShares MSCI World (URTH)
+15.5%
MSCI ACWI ex-USA this year (S&P 500 +11.6%)
+25.2%
emerging-markets ETF (EEM) this year
The U.S. makes up 60% to 65% of global stock-market value, so an index that includes it tends to lean heavily on American companies.
In one line: A fund labeled ‘world’ can be mostly U.S. stocks, so in a year when overseas markets lead, read the index behind the fund, not the name on it.
Buy a fund with ‘World’ in its name and you’d reasonably expect the world. Open the fact sheet for Vanguard Total World (VT), though, and you’ll find 62% U.S. stocks, with nine of its top ten holdings matching Vanguard’s S&P 500 ETF (VOO). The iShares MSCI World (URTH) goes further: 72% U.S., with the S&P 500’s top ten, exactly. Nobody’s hiding anything. It’s all in the index rules — which, admittedly, nobody reads.
Why ‘world’ mostly means America
It comes down to definitions. ‘International’ has traditionally meant developed markets outside the U.S., while ‘world’ and ‘global’ indexes can include America, and at 60% to 65% of global market value, the U.S. tends to dominate any index that lets it in. There’s no regulatory naming standard, either. So Vanguard Total International (VXUS) holds no U.S. stocks at all, while its ‘World’ sibling is mostly American. Same family, opposite exposure.
A bad year to own the wrong one
In most years this would be trivia. Not in 2026, with the S&P 500 trailing international markets for a second straight year. The MSCI ACWI ex-USA index is up 15.5% this year against 11.6% for the S&P 500, and international-stock funds led U.S.-stock funds through August, 13.4% to 12.6%. Emerging markets have done even better, with iShares MSCI Emerging Markets (EEM) up 25.2%, and two single markets have run far ahead: South Korea’s KOSPI is up 67.3% and Taiwan’s 62.9%. Over the past year VXUS returned 27%, while the two ‘World’ funds, carrying all that U.S. ballast, trailed at 24% and 22%.
But overseas isn’t one trade, either. India’s Sensex is down 12.3% this year while Japan’s Nikkei is up 29.4%, so the lesson isn’t to chase Korea. It’s to know what you own. Check the index a fund tracks, not the adjective on the label. The specialists’ general fix is a fund that says international or explicitly ex-U.S., or a developed-market fund paired with an emerging-market one. And mixing fund families whose definitions differ can leave you doubled up in some places and missing others entirely.
This is a ten-minute job. Pull the fact sheet for anything with world, global or international in its name, and write down two things: the U.S. share and the top ten holdings. If that list reads like the S&P 500, you may already own it twice. Bring the fact sheets — the overlap tends to jump out once everything sits on one page.
What It Means For Your Portfolio
Hold — read the index, not the label
A fund’s name is a label and its index is the substance; with international stocks outpacing the S&P 500 this year, knowing whether a ‘world’ fund is mostly America decides whether a portfolio is actually diversified.
General planning principles, not advice for anyone in particular: check the U.S. weight and top ten holdings of any fund labeled world or global, compare the index it tracks with what you already own, and treat one country’s big year as a reason to revisit allocation targets, not a signal to chase it.
In the book, overseas exposure lives in the Global & Emerging books, which exist for exactly this job, and nothing there changes today. As everywhere this week, no new positions go on ahead of Friday’s inflation report. A strong year abroad argues for knowing what’s held and why, not for adding to whichever country tops the table.
