We have some exciting news to share! The Motley Fool UK has now become The Twelfth Magpie -- an independent, UK-owned company, led by our long-serving UK management team — Mark Rogers, Chris Nials and Heather Adlington. In practical terms, it’s the same team you know, now fully focused on serving our UK readers and members.

Just as importantly, our approach remains unchanged: long-term, jargon-free, and on your side. This site is our new home, and there will be extra tweaks made across the coming few days as we settle in. So if anything looks a little off, please bear with us!

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.

How I’d invest £1,300 in a Stocks and Shares ISA to aim for a million

Stephen Wright is looking to Charlie Munger to help him figure out which stocks to buy in his Stocks and Shares ISA this month.

Calendar showing the date of 5th April on desk in a house

Image source: Getty Images

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.

I’m aiming to use my Stocks and Shares ISA to become a millionaire. With an annual contribution limit of £20,000, that’s not going to happen overnight, but I think it’s achievable over a 30-year period.

My plan is to add £16,000 into my regular Stocks and Shares ISA and the remaining £4,000 in my Lifetime ISA. To do that, I’ll need to invest just over £1,300 each month – here’s my plan for April.

XXX

Diversification

I’m taking a leaf out of Charlie Munger’s book this year with my investing. Instead of attempting to spread my money around widely, I’m going to focus aggressively on a smaller number of companies.

In other words, my plan is to only buy one or two stocks each month – the ones that I take to be offering the best opportunities. I think this is the way to maximise my investment returns over time. 

As Warren Buffett says, even a great company can be a bad investment at the wrong price. But I believe that concentrating on fewer businesses is a good way to avoid overpaying.

This should still allow me to build a diversified investment portfolio. But I’ll do it gradually, by buying different stocks as prices fluctuate and present different opportunities.

Investing in April

I’m looking to add shares in Forterra to my portfolio this month. With the brick manufacturer’s stock trading at its lowest prices for 12 months, I see this is a great time to be buying.

Obviously, there’s still risk with the stock – a prolonged UK recession might weigh on the company’s profitability. But I think the price right now is too good to miss. 

Last month, Forterra shares were about 10% more expensive than they are today, which made them look less attractive. So I wasn’t buying them back then. 

Instead, I was buying shares in Citigroup. The US bank was trading at a fraction of its book value, but its stock is up around 10% since then, making Forterra my preferred choice for this month. 

The road to a million

Can I become a millionaire with this strategy? Nothing is guaranteed and there’s always the possibility of losing money, but I think this approach sets things up in my favour.

Using my full contribution limit each year for 30 years means that I’ll reach the magic number if I can average a 4% annual return. With interest rates in the UK at 4.25% I think that’s highly achievable.

That means I’ll need to target investments that I expect to generate at least a 4% return over time. They don’t have to offer that return immediately, but they need to average that over time.

The most important thing, though, is to be patient and disciplined when it comes to investing regularly in the best opportunities I can find. Doing this should give me the best chance.

Citigroup is an advertising partner of The Ascent, a Motley Fool company. Stephen Wright has positions in Citigroup and Forterra Plc. The Motley Fool UK has no position in any of the shares mentioned. 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

Friends and sisters exploring the outdoors together in Cornwall. They are standing with their arms around each other at the coast.
Investing Articles

£503 buys 14 shares in this FTSE 250 stock that returned 23.9% annually for the last 15 years

This FTSE 250 stock has averaged a huge return for 15 years. At today's price, £503 buys 14 shares. But…

Read more »

Black woman using loudspeaker to be heard
Investing Articles

£1,000 buys 25 shares in this FTSE 100 stock that’s returned 29.2% annually for the last 10 years

This FTSE 100 mining stock has returned close to 30% a year for a decade. At 3,995p, £1,000 buys 25…

Read more »

Female student sitting at the steps and using laptop
Investing Articles

Down 47%, is this growth stock finally worth buying in May?

With a £288m order book and a hidden pipeline of defence and nuclear contracts, is this growth stock now too…

Read more »

House models and one with REIT - standing for real estate investment trust - written on it.
Investing Articles

2 REITs yielding 7%+ to consider for passive income in 2026

A REIT backed by the NHS and another backed by Tesco and Sainsbury's with both yielding 7%+. Here's why I'm…

Read more »

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

Just 97 shares of this UK dividend stock generate £238 in passive income

A 5.7% yield, £238 in passive income from just 97 shares, and one of the most divisive dividend stocks on…

Read more »

ISA coins
Investing Articles

£10,000 in an ISA generates a second income of…

The London Stock Exchange is home to some of the world's most generous dividends. But how big a second income…

Read more »

Shot of a senior man drinking coffee and looking thoughtfully out of a window
Investing Articles

Expert recommendations: 2 top income stocks yielding 7%+!

With yields of 7.2% and 7.8% respectively, these two income stocks are catching the eyes of institutional analysts. Should investors…

Read more »

Illustration of flames over a black background
Investing Articles

3 top income-focused stocks to buy in May 2026, according to experts

Looking for a stock to buy for income in May 2026? Experts have flagged these three UK dividend shares as…

Read more »