How I’d invest £20k in a Stocks and Shares ISA to build long-term wealth

Explore the battle between growth and dividend stocks to discover a good method for building long-term wealth in a Stocks and Shares ISA.

The content of this article was relevant at the time of publishing. Circumstances change continuously and caution should therefore be exercised when relying upon any content contained within this article.

You’re reading a free article with opinions that may differ from The Motley Fool’s Premium Investing Services. Become a Motley Fool member today to get instant access to our top analyst recommendations, in-depth research, investing resources, and more. Learn More.

Chalkboard representation of risk versus reward on a pair of scales

Image source: Getty Images

The flexibility of a Stocks and Shares ISA allows investors to pursue a broad range of investing strategies. A popular method is to focus on low-volatility income stocks that pay handsome dividends.

However, for those willing to take on more risk, pursuing shares with better growth prospects can propel a portfolio to new heights much faster.

Both methods are proven strategies for building long-term wealth. But which is the best method for someone looking to invest 100% of their £20,000 annual ISA allowance? Let’s explore.

Growth versus income

Over decades, the majority of investment returns generated in the stock market didn’t originate from growth stocks. In fact, dividend shares as a whole have grossly outperformed.

Let’s look at the US-based S&P 500 index as an example. It’s home to some of the biggest growth stocks in the world, including the likes of Apple, Microsoft, and Nvidia.

Between 1980 and 2020, the index has increased by around 1,790%. This means anyone buying £1,000 worth of shares in a low-cost S&P 500 index fund would have around £17,900 before the pandemic. But if the same investor decides to reinvest all dividends along the way, this return skyrockets to 5,286% – or £52,860!

Clearly, income has pulverised growth. So should investors spend their £20,000 Stocks and Shares ISA allowance exclusively in dividend-paying enterprises? Not necessarily.

As previously highlighted, growth stocks typically carry more risk. They’re usually younger enterprises with fewer resources at hand and a lot of hurdles to overcome. In many cases, these businesses fail to deliver. But every once in a while, a diamond in the rough emerges.

One from my portfolio is medical robotics company Intuitive Surgical (NASDAQ:ISRG). It’s never paid out any dividends to shareholders. And yet, since its IPO in 2000, shareholders have enjoyed returns of 15,137%!

Investing in an ISA in 2023

There have long been debates within the investing community about which style or strategy delivers the best results to the point of controversy. And that’s because the answer isn’t based on the potential gains, but rather on the individual.

Looking at Intuitive Surgical again, the stock price collapsed by roughly 75% within six months of going public. It took over four years to recover before going on an impressive growth streak, only to collapse once again in the 2008 financial crisis. This pattern has continued throughout the last two decades. And even last year, the growth stock was slashed in half during the correction.

Being able to remain emotionally calm and focused during these periods of volatility is essential to be a successful growth investor. And in most cases, especially among investing novices, this is exceptionally difficult.

If I were building my Stocks and Shares ISA from scratch today, I would start by establishing a solid foundation of boring but reliable companies. Once that’s in place, I would begin to venture out into riskier opportunities. After all, nothing stops someone from building a balanced, market-beating portfolio using both growth and dividend stocks.

Zaven Boyrazian has no position in any of the shares mentioned. The Motley Fool UK has recommended Apple, Microsoft, and Nvidia. Views expressed on the companies mentioned in this article are those of the writer and therefore may differ from the official recommendations we make in our subscription services such as Share Advisor, Hidden Winners and Pro. Here at The Motley Fool we believe that considering a diverse range of insights makes us better investors.

More on Investing Articles

happy senior couple using a laptop in their living room to look at their financial budgets
Investing Articles

How much would someone need in an ISA to aim to treble the current State Pension?

Experts say the State Pension isn’t generous enough to provide a comfortable retirement. James Beard says the stock market could…

Read more »

Young Asian woman with head in hands at her desk
Investing Articles

Why this FTSE 250 stock surging 16% is bad news for my portfolio

While the rest of the stock market focused on positive news from Iran, one soaring FTSE 250 stock was rising…

Read more »

Night Takeoff Of The American Space Shuttle
Investing Articles

Is now a great time to start aiming for a £1m Stocks and Shares ISA?

James Beard reckons a seven-figure Stocks and Shares ISA is within reach. But he advises not to hang about for…

Read more »

Business man pointing at 'Sell' sign
Investing Articles

Why are investors betting against Greggs shares?

Hedge funds and institutions are betting against Greggs shares in a big way. But could that be creating a buying…

Read more »

Man putting his card into an ATM machine while his son sits in a stroller beside him.
Investing Articles

At 100p, is now a good time to consider buying Lloyds shares?

With Lloyds shares changing hands for 12% less than in February, James Beard considers whether they are now (10 April)…

Read more »

Black woman using smartphone at home, watching stock charts.
Investing Articles

Get ready for a once-in-a-lifetime S&P 500 buying opportunity

Could SpaceX, OpenAI, and Anthropic joining the stock market create a once-in-a-lifetime chance to buy the S&P 500’s biggest and…

Read more »

Woman riding her old fashioned bicycle along the Beach Esplanade at Aberdeen, Scotland.
Investing Articles

An 8.4% yield! A dividend growth stock to consider stashing in a SIPP for decades?

James Beard takes a closer look at a stock that’s increased its dividend during 17 of the past 20 years.…

Read more »

Front view of aircraft in flight.
Investing Articles

Get ready for Rolls-Royce shares’ next move higher

Rolls-Royce shares have pulled back in 2026 amid geopolitical instability. Could we be about to see another explosive move higher?

Read more »