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.

I’d buy shares with £500 a month to aim for a million

Our writer is aiming for a million-pound stock market portfolio. Here’s how he’d use £500 a month to buy shares in pursuit of that goal.

Stack of new one pound coins

Image source: Getty Images.

You’re reading a free article with opinions that may differ from The Twelfth Magpie’s Premium Investing Services. Become a member today to get instant access to our top analyst recommendations, in-depth research, investing resources, and more. Learn more, and get a free 'Best Buy Now' stock!.

Is it possible to achieve millionaire status by investing £500 a month in the stock market? Absolutely. But if I’m going to buy shares to target a seven-figure sum, it’ll take time and dedication, not to mention a sensible strategy.

So, here’s how I’d aim for a million owning just a few shares.

Should you buy Rolls Royce shares today?

Before you decide, please take a moment to review this report first. Despite ongoing uncertainties from US tariffs to global conflicts, Mark Rogers and his team believe many UK shares still trade at substantial discounts, offering savvy investors plenty of potential opportunities to learn about.

That’s why this could be an ideal time to secure this valuable research – Mark’s analysts have scoured the markets to reveal 5 of his favourite long-term ‘Buys’. Please, don’t make any big decisions before seeing them.

Growth stocks

First, I’d focus on companies with strong growth potential.

Carefully selected growth stocks can turbocharge my returns if they turn out to be big winners. For example, one US stock I like is Nvidia, a designer of graphics processing units for computing platforms.

Now, I’m not saying Nvidia is an emerging business. Far from it. It currently has a market cap of $592bn, and the share price increased rapidly during the pandemic.

That said, I see every reason it can reach a $1trn valuation over the coming years. The exclusive club of trillion-dollar stocks currently contains just four companies: Apple, Microsoft, Saudi Aramco, and Alphabet.

Admittedly, the price-to-earnings (P/E) ratio of 137.6 is a risk, especially if growth disappoints. However, Nvidia’s evolution into a company with impressive AI capabilities makes this stock a buy for me.

Cheap valuations

Looking closer to home, there are several undervalued companies in the FTSE 100 index that look appealing. Buying high-quality businesses at cheap prices is a great way to target a million.

Granted, it’s easier said than done, and there’s always a risk I could miscalculate a company’s true value. But that’s a risk I’m prepared to take in my quest for a seven-figure portfolio.

GSK is a good example of a stock that I think is cheap right now. The pharma business trades at a forward P/E ratio of just 10. It delivered encouraging revenues in 2022 and the outlook seems bright with 69 vaccines and speciality medicines in the pipeline.

An ongoing lawsuit regarding the alleged cancer risks of its discontinued Zantac medication for heartburn is a concern, but I think that’s more than compensated for by today’s bargain valuation.

Diversification

I’d aim for a million by concentrating my portfolio in just a few shares. If my stock picks prove successful, I could potentially outperform index funds as a result, but this carries significant downside risks too should my investments underperform.

Therefore, I think it’s important to diversify my positions to spread my risk. For instance, if I had spare cash, I’d also allocate some funds to small-cap stocks such as Argentex Group, which provides foreign exchange services to corporate clients and individuals.

Although there’s a higher volatility risk with small-cap investments, I think they deserve a modest place in my portfolio.

Compound returns

The FTSE 100 has historically returned between 6% to 8% over long periods. I’d aim for a higher return in the region of 10%.

There’s no guarantee I’d achieve this, of course, and my investments could underperform, which would delay my progress in reaching a million-pound portfolio, or even send it into reverse. Nonetheless, if my positions perform well, it’s an ambitious but not unachievable goal.

If I secured a double-digit return and invested £500 each month in shares, I’d be a stock market millionaire in a little under 29 years. It’s time to put my plan into action!

Suzanne Frey, an executive at Alphabet, is a member of The Motley Fool’s board of directors. Charlie Carman positions in Alphabet, GSK, Microsoft, and Nvidia. The Motley Fool UK has recommended Alphabet, Apple, Argentex Group Plc, GSK, 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

Rear view image depicting a senior man in his 70s sitting on a bench leading down to the iconic Seven Sisters cliffs on the coastline of East Sussex, UK. The man is wearing casual clothing - blue denim jeans, a red checked shirt, navy blue gilet. The man is having a rest from hiking and his hiking pole is leaning up against the bench.
Investing Articles

Up 1,146%! 7 things I’ve learned from the stunning Rolls-Royce share price comeback 

Harvey Jones has made a fair bit of money out of the booming Rolls-Royce share price, but he's also learned…

Read more »

Golden Retirees Heading to Beach
Investing Articles

4 steps to building a £38,456 retirement income with ISA shares

Investing £300 a month could deliver a life-changing cash stream in retirement with high-yield income shares. Royston Wild explains how.

Read more »

Content white businesswoman being congratulated by colleagues at her retirement party
Investing Articles

How investing in a Cash ISA could cost you a comfortable retirement

Cash ISAs are celebrated for the brilliant tax benefits they provide. But could focusing on them cost savers the chance…

Read more »

Young black woman in a wheelchair working online from home
Investing Articles

How much could Barclays shares pay in dividends by 2028?

Barclays is one of the FTSE 100's most popular dividend shares. How much could they provide over the next three…

Read more »

Investor looking at stock graph on a tablet with their finger hovering over the Buy button
Investing Articles

With a 6% yield and a P/E of just 7.4, is this share a screaming buy for a second income?

Mark Hartley looks at the second income potential of a popular UK dividend stock that still looks undervalued despite compelling…

Read more »

Investing Articles

Forget Nvidia! This ETF is booming inside my Stocks and Shares ISA

A thematic ETF inside this writer's ISA has more doubled the return of Nvidia stock so far in 2026. But…

Read more »

Shot of an young mixed-race woman using her cellphone while out cycling through the city
Investing Articles

These cheap FTSE 250 shares could deliver a £1,550 ISA income in just 12 months!

Searching for the best low-cost dividend stocks to buy? Royston Wild reveals two FTSE 250 property shares with yields above…

Read more »

Landlady greets regular at real ale pub
Investing Articles

How much in dividends will these high-yield shares generate in 2026?

With 9.5% and 8.4% dividend yields, what makes these FTSE 100 and FTSE 250 high-yield heroes so special? Royston Wild…

Read more »