How I’d invest a Stocks and Shares ISA with a 10-year time frame

Our writer explains how he focusses his Stocks and Shares investment choices by using a long-term perspective.

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.

Smiling senior white man talking through telephone while using laptop at desk.

Image source: Getty Images

As an investor with a long-term mindset, I think of a Stocks and Shares ISA in terms of years not months. That has some implications for how I go about choosing shares to buy in it.

Fade out fads

Some businesses do very well while their product or service matches a short-lived fashion. But that is not the basis I would want for a long-term investment case.

How can I decide what might turn out to be a short-term fad, versus the start of a long-term trend? There is no easy way to tell, in my view, but a company with a single business line that seems very on-trend now strikes me as more likely to end up looking like a fad than a business that has a variety of revenue streams.

Think about the future world

The world 10 years from now will likely seem different in some ways, but reassuringly familiar in others. I think some business areas will remain in high demand, from network operators such as National Grid to retailers like Tesco.

I think some businesses may need to change themselves to stay relevant but have a strong base on which to build. For example, shifts in homeware trends could hurt Dunelm – but they could also provide an opportunity.

Meanwhile, other areas could see demand declines. That is one concern I have about tobacco shares like British American Tobacco.

I cannot future-proof my portfolio, as no one knows what will happen in coming years. Even if I am right about a broad business area, for example, maybe I will be wrong about a particular company within that area. But what I can do is try to increase my margin of safety. If I think one business area is very likely to see sustained demand in a decade, that makes it more attractive for me to explore than a sector I think may lack staying power.

Focus on value, not just share price

Short-term swings in share price may come out in the wash over a longer investing time frame. Whether I buy a share now or next month for a few pennies less, might make little difference to my long-term returns if the business performs strongly enough.

That is why I look for businesses I think can create substantial value over the course of years. However, although share price is only one part of that it is still a part. So I cannot simply ignore it. No matter how good a company’s long-term prospects, its attractiveness for my Stocks and Shares ISA will be reduced if the share price looks too expensive to me. For example, I like the business model and competitive advantage of Dechra Pharmaceuticals. But it has a price-to-earnings ratio of 52. I think I can find better value for my Stocks and Shares ISA elsewhere.

Investing a Stocks and Shares ISA for the long term

I look for the same thing each time I buy shares for my Stocks and Shares ISA – does the business in question have a competitive advantage that could enable it to be profitable over the long term? If so, is the current share price attractive enough to offer me value?

Christopher Ruane owns shares in British American Tobacco and Dunelm. The Motley Fool UK has recommended British American Tobacco and Tesco. 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

Lady wearing a head scarf looks over pages on company financials
Investing Articles

Is April a good time to start buying shares?

Wondering whether now's a good time to start buying shares to build wealth? History suggests it is, says Edward Sheldon.

Read more »

A senior group of friends enjoying rowing on the River Derwent
Investing Articles

How much passive income could a Stocks and Shares ISA pump out every year?

Regular investing inside a Stocks and Shares ISA could lead to the equivalent of £141 a week in tax-free passive…

Read more »

Fans of Warren Buffett taking his photo
Investing Articles

With the FTSE 100 down 5%+ investors should remember this legendary quote from Warren Buffett

Warren Buffett is widely regarded as the greatest investor of all time. And he says that the best time to…

Read more »

Inflation in newspapers
Investing Articles

1 FTSE 100 stock that could benefit from higher inflation

For most companies, inflation is a risk. But for one FTSE 100 firm, higher input costs could be an opportunity…

Read more »

Man hanging in the balance over a log at seaside in Scotland
Investing Articles

The 2026 stock market sell-off could be a rare opportunity to build wealth in an ISA

The recent stock market sell-off has led to some shares falling 20% or more. This could be a great opportunity…

Read more »

Thoughtful man using his phone while riding on a train and looking through the window
Investing Articles

It’s down another 13%! Analysts were dead wrong about the Greggs share price

The Greggs share price continues to fall and analysts have been revising their share price targets down further. Dr James…

Read more »

Burst your bubble thumbtack and balloon background
Investing Articles

Is the stock market about to reach breaking point?

Private credit has a problem with the emergence of artificial intelligence. And it could be set to create issues across…

Read more »

BUY AND HOLD spelled in letters on top of a pile of books. Alongside is a piggy bank in glasses. Buy and hold is a popular long term stock and shares strategy.
Investing Articles

A once-in-a-decade chance to buy this S&P 500 stock?

As investors focus on oil prices and the conflict in Iran, Stephen Wright's looking at potential opportunities in the S&P…

Read more »