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Should investors consider buying BAE Systems shares now they’re back below £20?

BAE Systems shares are currently trading about 17% below their 2026 highs. Is now the time to consider them for an ISA or SIPP?

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BAE Systems (LSE: BA.) shares have experienced a material pullback recently. After rising above 2,350p in mid-March when geopolitical uncertainty was at high levels, they’ve fallen to around 1,950p.

Are they worth considering after this pullback? Let’s discuss.

Should you buy BAE Systems 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.

Performing well in 2026

BAE’s most recent trading update, posted on 7 May, was very encouraging. Here, it said that it was seeing increased defence spending across all its key markets and that it had traded well in the first four months of the year.

Looking ahead, for 2026 it expects:

  • Sales growth of 7%-9% (2025: £30.7bn)
  • Underlying earnings before interest and tax (EBIT) growth of 9%-11% (2025: £3.3bn)
  • Underlying earnings per share growth of 9%-11% (2025: 75.2p)
  • Free cash flow of more than £1.3bn

These are attractive levels of growth for a mature, FTSE 100 company. For reference, defence rival Rolls-Royce is only expected to see top-line growth of around 6.7% this year.

It’s worth noting that the company said that it’s well positioned for growth over the medium term as well thanks to rising levels of defence spending and its strong portfolio of related solutions. It sees “significant opportunities” in areas such as space systems, missile and air defence systems, drones and counter-drone technology, electronic warfare, combat aircraft, combat vehicles, frigates, and submarines.

We’ve delivered a strong start to 2026, underpinning our full‑year guidance. Our geographic breadth, proven multi‑domain capabilities, and focus on operational excellence and innovation are enabling consistent delivery of critical programmes. We’re well positioned for both current and future opportunities in defence.
Charles Woodburn, BAE Systems CEO

How’s the valuation?

What about the valuation though? Are the shares priced attractively relative to the level of growth being generated?

I think they are. Let’s say the company grows its earnings by 10% this year (the mid-point of guidance) – that takes us to 82.7p per share.

At today’s share price of 1,950p, that gives us a price-to-earnings (P/E) ratio of around 23.6. That’s well above the market average, however, I don’t think it’s crazy.

After all, this is a company that operates in an industry with very high barriers to entry (you can’t just launch a submarine business and instantly start selling products to the Ministry of Defence). It’s also highly resistant to AI disruption (Anthropic can’t make a submarine).

I’ll point out that I’m not the only one who believes the shares are priced attractively today. Looking at broker price targets, many are well above the current share price.

At present, the average price target here is 2,312p. That’s about 20% above the current share price.

Worth a look?

Of course, there are no guarantees that the shares will rise to 2,312p – broker forecasts need to be taken with a grain of salt. There are also no guarantees that the company will hit its 2026 targets (supply chain challenges are a risk).

Overall though, I like the look of the stock at current levels and think it’s worth considering. If I didn’t have a large position in a defence ETF (which holds BAE), I would consider buying shares myself.

Should you invest £5,000 in BAE Systems right now?

When investing expert Mark Rogers and his team have a stock tip, it can pay to listen. After all, the flagship Twelfth Magpie Share Advisor newsletter he has run for nearly a decade has provided thousands of paying members with top stock recommendations from the UK and US markets.

And right now, Mark thinks there are 6 standout stocks that investors should consider buying. Want to see if BAE Systems made the list?


Edward Sheldon does not hold any positions in the companies mentioned.

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