Buying an ETF with nearly 200 companies can feel like an easy way to spread your risk. But what if most of your results are still being driven by the same handful of mega-cap stocks? Schwab U.S. Large-Cap Growth ETF (SCHG) is a fascinating example. Its 0.04% expense ratio is exceptionally low, its long-term performance has been impressive, and it gives you exposure to many of America's most successful growth companies.

Yet Nvidia, Apple, Microsoft, Amazon, Alphabet, Meta, Broadcom, Micron, and Tesla collectively represented more than 60% of the fund's assets as of Oct 6, 2026. That means SCHG can look broadly diversified on the surface while behaving much more like a concentrated bet on large U.S. growth companies underneath. That is not necessarily a reason to avoid it.

In fact, that concentration is a major reason the ETF has performed so well. The important question is whether you understand the trade-off, and whether you could continue holding it when the same companies that drove the gains become the source of a major decline. 📈🔎

What if owning 189 stocks doesn't give you nearly as much diversification as you think? 👀

We’ll look beneath SCHG’s headline number of holdings, uncover how heavily a few mega-cap companies influence the fund, and examine whether its low fee and growth potential justify taking on that concentration for the long run.

Imagine setting aside $500 a month for Lumentum $LITE ( ▼ 5.62% ) for five years, buying a fixed dollar amount on a schedule, a method called dollar-cost averaging. In our example the buy happens on the first trading day on or after the 8th of each month, from Oct 2021 through Sep 2026: 60 buys, $30,000 in total.

LITE closed at $84.16 on Oct 8, 2021 and at $1,133.40 on Oct 6, 2026, a price gain of about 1,246.7%, or roughly 68% a year compounded (the steady yearly rate that would give the same total gain). In that example the $30,000 would have been worth about $449,700 at the Oct 6, 2026 close (about 15 times the money put in), and a single $10,000 invested on Oct 8, 2021 would have become about $134,700. Price only: no dividends, fees or taxes, and these are examples, not forecasts.

The Oct 6, 2026 close was also the highest close of the past 52 weeks. The path had its slower stretches: the stock eased about 66% from $107.61 on Jan 11, 2022 to $36.07 on Oct 27, 2023, and about 43% from $1,053.09 on May 11, 2026 to $602.35 on Jul 29, 2026, before climbing about 88.2% to the Oct 6, 2026 close.

Caution: past pace rarely continues. Lumentum's annual report for fiscal 2026 shows one end customer at 26.6% of revenue and another at 15.0%, and shares outstanding grew from 69.8 million to 88.6 million over the year, so customer concentration (reliance on a few buyers) and share count are two areas to keep an eye on.

Know someone sorting through ETFs? Forward this issue, or invite them to subscribe at www.wizeinvesting.com, and after a short word from our sponsor we dig into what SCHG really owns.

A growth ETF can make a portfolio feel diversified without necessarily making it broadly diversified.

That distinction matters with Schwab U.S. Large-Cap Growth ETF $SCHG ( ▼ 1.22% ). With 189 companies inside the fund and an expense ratio of just 0.04%, it is easy to look at the headline numbers and conclude that the fund offers an inexpensive way to own a wide collection of America's strongest growth companies.

And, in several important ways, that conclusion is reasonable.

SCHG has delivered strong long-term results, charges very little, and has benefited enormously from the rise of companies such as Nvidia $NVDA ( ▼ 2.94% ), Apple $AAPL ( ▲ 1.11% ), Microsoft $MSFT ( ▼ 1.35% ), Amazon $AMZN ( ▼ 2.26% ), Alphabet $GOOG ( ▼ 0.72% ), Meta Platforms $META ( ▼ 0.06% ), Broadcom $AVGO ( ▼ 4.35% ), Micron Technology $MU ( ▼ 4.79% ), and Tesla $TSLA ( ▼ 0.74% ).

But there is another side to that success.

A large portion of SCHG is concentrated in a surprisingly small number of companies. That concentration helped produce its excellent returns, but it also means the fund can behave much more like a concentrated mega-cap growth portfolio than the phrase "189 holdings" might suggest.

For someone who wants a simple portfolio that can be left alone while life gets busy, that is the detail worth understanding before deciding where it fits.

SCHG launched in December 2009 and passively tracks the Dow Jones U.S. Large-Cap Growth Total Stock Market Index. The fund does not rely on a manager trying to decide which stock will outperform next. Instead, its holdings and weights are determined by the index methodology.

The expense ratio is one of its biggest attractions.

At 0.04%, a $10,000 investment costs roughly $4 per year in fund expenses. That is extremely low, and over long periods, keeping expenses down can make a meaningful difference because less of the portfolio's return is consumed by fees.

The fund had approximately $65.86 billion in assets and 189 holdings as of Oct 6, 2026.

But 189 holdings does not mean your $10,000 is divided into 189 meaningful positions.

The largest positions dominate.

As of Oct 6, 2026, the top 10 holdings were:

Together, those positions represented approximately 60.78% of SCHG.

That means roughly $6,078 of every $10,000 invested in the fund would be exposed to those 10 holdings based on those weights.

And there is an important detail hiding in the list: GOOGL and GOOG are two share classes of Alphabet, meaning Alphabet's combined exposure was about 8.20%.

So although SCHG technically held 189 companies, the performance of a relatively small group of mega-cap businesses had an enormous influence on the overall result.

Lumentum, the company in today's 5-Year Horizon card, shows the other end of that scale: as of Oct 6, 2026 it was one of SCHG's holdings at about 0.26% of assets, or roughly $26 of every $10,000. Even a stock that rose about 1,246.7% from Oct 8, 2021 to Oct 6, 2026 moves a fund like this far less than its top 10 do.

That is not necessarily a flaw.

It is simply what you are buying.

Once the holdings are examined by sector, the picture becomes even clearer.

As of June 30, 2026, information technology represented approximately 44.28% of SCHG. Communication services accounted for another 13.35%.

Together, those two sectors represented roughly 57.63% of the fund.

Consumer discretionary added another 11.03%, with companies such as Amazon and Tesla classified there rather than under information technology.

Healthcare represented 9.72%, industrials 8.36%, and financials 7.89%.

The remaining sectors (consumer staples, materials, energy, real estate and utilities) made up only a small portion of the portfolio. Energy represented approximately 0.83%, while utilities were only about 0.43%.

That creates a very different portfolio from something like a total-market ETF.

If technology and technology-adjacent mega-cap companies continue leading the market, SCHG can benefit substantially.

But if those companies experience a prolonged period of weaker earnings growth, falling valuations or changing investor preferences, there is relatively little exposure elsewhere in the fund to offset the damage.

This is the trade-off.

SCHG concentrates your exposure toward the companies that have been driving growth.

That concentration can be a strength when those companies are winning.

It can become a weakness when they are not.

The concentration is also a major reason the fund has produced such strong historical returns.

As of Sep 30, 2026, SCHG's annualized returns (market price) were:

The average large-growth fund returned less over the same 1-, 3-, 5- and 10-year periods.

The 10-year comparison is particularly striking: SCHG's 18.69% annualized return compared with 15.91% for the average large-growth fund.

That difference can become substantial over time.

A hypothetical $10,000 investment growing at 18.69% annually for 10 years would become roughly $55,500, while the same amount growing at 15.91% annually would reach approximately $43,800.

That is a difference of around $11,700 before considering taxes and other factors.

But there is an important trap in looking at that number.

An 18.69% annualized return does not mean SCHG delivered 18.69% every year.

The actual journey was much less comfortable.

There were years and periods of significant declines along the way. The average simply compresses those good and bad periods into one annualized number.

That is why a long-term return statistic can look incredibly smooth even though the investor's actual experience was anything but smooth.

SCHG's historical performance becomes much more useful when you put the downside next to the upside.

The fund's worst three-month period over the past 10 years was from March 31, 2022, through June 30, 2022, when it declined approximately 22.27%.

A $10,000 position would have fallen to about $7,773 during that period.

That is not a theoretical possibility.

It already happened.

And it is one of the most important numbers to remember if you are considering SCHG for a long-term portfolio.

The fund's best three-month period over the same 10 years was from March 31, 2020, through June 30, 2020, when it gained approximately 27.73%.

The same concentration that helped SCHG participate strongly in the rebound also contributed to its vulnerability during the downturn.

That is how growth investing works.

You are accepting a bumpier ride in exchange for greater exposure to companies with higher expected growth.

The harder lesson comes when historical returns set the expectation, and the next major correction shows that a 20% decline is more than someone can tolerate.

A long-term investment only works if you can actually remain invested for the long term.

There is another reason to avoid looking at SCHG's historical return in isolation: valuation.

As of August 31, 2026, the fund's price-to-earnings ratio was approximately 30.48, while its price-to-book ratio was 9.26 and price-to-cash-flow ratio was 27.83.

Those figures do not mean SCHG is guaranteed to fall.

They do tell you that the market is placing a substantial value on the earnings and cash flows generated by the companies inside the fund.

That makes sense when you look at the holdings.

Nvidia, Microsoft, Apple, Alphabet, Meta and Broadcom are enormous, profitable businesses with significant competitive advantages and exposure to long-term technology trends.

But excellent businesses can still become disappointing investments when expectations become too high.

Suppose a company grows earnings rapidly, but investors were expecting even faster growth. The business can perform well while the stock declines because the valuation multiple contracts.

That is why a high-quality company is not automatically a high-quality investment at every price.

SCHG gives you exposure to businesses that the market already considers valuable.

The question is whether their future growth will justify those valuations.

There is another potential mismatch worth understanding early.

If the goal is to generate meaningful portfolio income, SCHG is not designed for that job.

The fund's 30-day SEC yield was approximately 0.35% as of Oct 5, 2026, while its trailing 12-month distribution yield was about 0.37% as of Aug 31, 2026.

That means a $10,000 position would generate only around $35 to $37 per year in distributions at those rates.

The fund does make distributions, and the payout has increased over time. But the starting income is so small that the primary reason to own SCHG is clearly capital appreciation, not cash flow.

This makes SCHG fundamentally different from an income-oriented ETF such as Schwab U.S. Dividend Equity ETF (SCHD).

Neither is inherently better.

They are simply designed for different purposes.

If you need your portfolio to generate meaningful current income, SCHG is unlikely to accomplish that by itself.

If you are accumulating wealth over a long period and do not need substantial cash distributions today, the low yield may not matter much.

Knowing which problem you are trying to solve should come before choosing the ETF.

One of the strongest arguments for SCHG is much less exciting than its performance chart.

It is cheap.

The 0.04% expense ratio means the fund does not need to outperform expensive alternatives by much to provide a meaningful cost advantage.

As of Sep 30, 2026, the fund's 10-year annualized return was approximately 18.69%, while its underlying index returned around 18.72% over the same period.

That very small difference is consistent with the fund's low expense ratio.

This is exactly what you want from a passive ETF.

The objective is not for the fund manager to constantly make clever decisions.

The objective is to track the index efficiently and keep unnecessary costs low.

Over a decade or several decades, those savings can compound alongside the rest of the portfolio.

This is where portfolio overlap becomes important.

Suppose you already own Vanguard S&P 500 ETF (VOO).

You already have exposure to Nvidia, Apple, Microsoft, Amazon, Alphabet, Meta and Broadcom because those companies are among the largest constituents of the S&P 500.

Adding SCHG to that mix does not diversify you away from those companies.

It generally does the opposite.

It increases their influence.

That can be completely intentional.

Someone might use VOO as a broad-market core and SCHG as a growth tilt. In that situation, SCHG has a specific role: increasing exposure to large-cap growth companies.

But if you believe you are diversifying simply because you own two different ETFs, you could be surprised by how much the portfolios overlap.

The same issue becomes even more important if you already own Invesco QQQ (QQQ) or individual positions in mega-cap technology companies.

We learn more by looking at the combined portfolio than by evaluating the ETF in isolation.

You might discover that the "new" investment is simply increasing your exposure to the same handful of stocks you already own.

The comparison with QQQ is particularly interesting because both funds provide significant exposure to large technology and growth companies.

But they are not identical products.

SCHG tracks a large-cap growth index, while QQQ tracks the Nasdaq-100. Their methodologies, sector exposure, constituent selection and weights differ.

The important question is therefore not which ticker wins an internet argument.

It is:

What exposure are you trying to add?

If you already have a broad-market ETF and want more large-cap growth exposure, SCHG can serve that purpose.

If you already have QQQ and a collection of individual technology stocks, however, adding SCHG may create even more concentration than you realize.

For an overwhelmed investor, this is one of the easiest portfolio mistakes to make: accumulating several ETFs that look different by name while owning many of the same underlying companies.

A five-fund portfolio is not necessarily more diversified than a two-fund portfolio.

Look through to the companies underneath.

There is a certain irony to growth investing.

The strategy can look incredibly easy after a decade of strong returns.

Hold a low-cost ETF, let Nvidia and other mega-cap companies do their thing, reinvest distributions and watch the account compound.

Then the next major correction arrives.

Suddenly, the investor who was comfortable with historical 18% annualized returns is uncomfortable with a 20% decline.

That is where the real test begins.

If you need the money within the next two or three years, SCHG's historical record should not give you confidence that the money will be there when you need it.

If you depend on the investment for current income, its low yield makes it a poor fit.

If you already have a large allocation to technology and mega-cap growth companies, adding SCHG may increase concentration rather than diversification.

But if you have a 10-year-plus horizon, do not need significant income from the position and can tolerate substantial temporary declines, the characteristics of SCHG become much more attractive.

The fund is inexpensive, transparent and historically effective at capturing the performance of large U.S. growth companies.

The important part is accepting the entire package rather than only the attractive parts.

It is easy to ask whether SCHG will continue delivering strong returns.

Nobody can answer that with certainty.

A more useful question is whether you would still be comfortable owning it if the next decade looks nothing like the previous one.

Maybe Nvidia and other AI beneficiaries continue dominating.

Maybe another group of companies takes leadership.

Maybe large-cap technology experiences a prolonged valuation reset.

Maybe growth stocks lag value stocks for several years.

A fund like SCHG can still be useful across different environments, but its concentrated exposure means you should expect its results to be heavily influenced by the fortunes and valuations of America's largest growth companies.

That is the trade-off.

You are not buying 189 equally important businesses.

You are buying a low-cost growth portfolio whose outcome is heavily influenced by a small group of mega-cap winners.

Once you understand that, the fund becomes much easier to evaluate.

SCHG is not a bad ETF because it is concentrated. Its concentration is a major reason it has performed so well.

The 0.04% expense ratio is excellent, the historical 10-year annualized return of 18.69% has been impressive, and the fund outpaced the average large-growth fund over the 1-, 3-, 5- and 10-year periods ended Sep 30, 2026.

But the same characteristics that created those results also create the risk.

More than 60% of the fund was concentrated in its top 10 holdings as of Oct 6, 2026. Nvidia, Apple and Microsoft alone represented roughly one-third of the portfolio. Technology and communication services together accounted for more than half of the fund.

The fund has also experienced a three-month decline of more than 22%, demonstrating that strong long-term performance does not eliminate short-term pain.

So the useful question about SCHG is not only whether it is a "great ETF."

Ask whether you can own what SCHG actually owns.

For someone seeking low-cost exposure to large-cap growth, with a long horizon and the patience to stay invested through substantial drawdowns, SCHG's profile lines up well.

If you need income, need the money soon or already have heavy exposure to mega-cap technology through VOO, QQQ or individual stocks, the answer may be very different.

Tip: A fund's story can drift while its name stays the same. We write down the two or three facts our thesis rests on, such as top 10 weight, sector mix and valuation, and recheck them on a set schedule. If those facts have moved, the thesis has moved too, even if the price has not.

If this helped you look past the holdings count, forward it to someone who owns a growth ETF. Below is a short word from our sponsor, followed by a simple next step for the $500 habit.

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Thanks for reading. This format is built to be fast to open, clear to understand, and useful enough to act on, without pretending past returns continue forever.

Caution: Past pace rarely continues. All figures here are approximate and are shown as examples, using price only (no dividends, fees, or taxes). Past performance is not a forecast; this is education, not advice.

Disclaimer: This newsletter is for informational purposes only and is not financial advice. Consult a qualified advisor before investing.