If you owned the 15 biggest moneymaking stocks in the S&P 500 the past decade — lucky you. Just don't expect history to repeat itself.

Morningstar identified the 15 stocks that created the most shareholder value including dividends in the past 10 years through the end of 2024. Those stocks added an astounding $20.8 trillion in wealth over that time period.

"Owning shares in an individual stock is a lot riskier than owning a broadly diversified fund, and the odds of experiencing a loss are much higher. However, if you manage to invest in a profitable stock, the upside can be much greater," said Amy Arnott in the report.

But Morningstar doesn't think it's likely most of these past winners will pay off to that degree again.

Where Repeats Are Possible

Only three of the top stocks of the past 10 years, Alphabet (GOOGL), Microsoft (MSFT) and UnitedHealth (UNH), are rated four stars or higher by Morningstar. That means only three stocks trade for enough of a discount to Morningstar's value estimates to be promising.

All these stocks have been huge winners in the past decade, though. Microsoft gained $2.8 trillion in market value plus $159.5 billion in dividends. Alphabet added $1.96 trillion in market value plus $7.4 billion in dividends. And UnitedHealth rose $364 billion in market value plus $44 billion in dividends.

But Microsoft's IBD ratings going forward aren't impressive either. The stock's RS Rating is just 35. The stock is trading below its 50-day moving average.

Some Massive S&P 500 Winners

Morningstar may not be all that bullish on many of the past winners. But some of the past gains have been impressive.

AI chip king Nvidia (NVDA) is the champ. It added nearly $3.3 trillion in shareholders' wealth in the past 10 years. That's more than any other S&P 500 company in that time. But Morningstar rates it just three stars, indicating it's already trading at fair value. It's in a holding pattern with IBD's methodology, too. The RS Rating of 86 is slipping as the stock falls below its 50-day moving average.

Apple (AAPL) is the No. 2 biggest wealth gainer, adding $3.1 trillion just in market value. But Morningstar only gives Apple two stars, showing it's overvalued. It's a little more promising with IBD's ratings. It has an RS Rating of 87. The stock is also forming a cup base.

But whatever the future holds, investors can celebrate their huge wins up until this point.

Top Wealth Creator S&P 500 Stocks

From 2015 to 2024

Sources: Morningstar, S&P Global Market Intelligence, IBD

Follow Matt Krantz on X (Twitter) @mattkrantz

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