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3 Defence Stocks Retail Investors Are Watching As Europe Rearms

Defence has moved from background noise to front-page politics, and that shift is starting to ripple through UK and European Defence & Aerospace Contractors on every watchlist. When governments rethink security, budgets and priorities rarely stay still, which can create openings and risks for anyone with capital at work. This article unpacks that story and spotlights 3 individual stocks exposed to the current news, so you can judge which opportunities may merit closer attention.

The 3 UK and European Defence & Aerospace Contractors covered below are only a starter set. The full screen surfaced 60 more listed groups with equally interesting stories that are not broken out in this article. To identify and analyze the wider field of potential high-conviction ideas, head straight to the UK and European Defence & Aerospace Contractors screener .

Saab (OM:SAAB B)

Overview:Saab is a Swedish defence prime supplying fighter aircraft, missiles, submarines, radars and electronic warfare systems to NATO-aligned customers worldwide.

Operations:Saab generates most of its SEK 113.2b revenue from Surveillance (SEK 30.7b), Dynamics (SEK 23.2b) and Aeronautics (SEK 21.2b) segments.

Market Cap:SEK 332.2b

Saab matters for this defence and aerospace screen because it is one of the clearest pure-play ways to get exposure to European rearmament and NATO-oriented procurement.

"The significant ramp-up in global defense spending, especially following the recent NATO commitment for member states to target 5% of GDP by 2030-2035, directly supports sustained demand for Saab's advanced defense solutions."

What really moves the needle from here is how one pressure on future contract margins and cash generation resolves over the next few years.

That margin puzzle is exactly what the full narrative for Saab unpacks, showing where Saab's contract mix could be quietly decoupling cash generation from headline defence spending.

OM:SAAB B Revenue & Expenses Breakdown as at Sep 2026
OM:SAAB B Revenue & Expenses Breakdown as at Sep 2026

Leonardo (BIT:LDO)

Overview:Leonardo is a European defence and aerospace group providing helicopters, military aircraft, electronics, cyber security, space systems and related services to NATO-linked customers.

Operations:Leonardo generates most of its €19.6b revenue from Defence Electronics & Security (€9.1b), Helicopters (€5.9b) and Aeronautics (€4.3b) across Italy, Europe, the US and global markets.

Market Cap:€28.4b

For anyone focused on UK and European Defence & Aerospace Contractors, Leonardo is where the theme really comes alive, because the group touches almost every piece of modern military capability, from helicopters and jets to sensors, cyber and space assets.

"Heightened global defense demand and strategic international expansion are driving sustained growth, diversified revenue streams, and increased business resilience."

The real swing factor for Leonardo is the extent to which its multi-domain push into higher-value electronics and cyber reshapes future margins and cash generation.

That pivot is exactly what the full narrative for Leonardo unpacks, separating headline demand from where Leonardo's profit engines and risks may really be accelerating or stalling.

BIT:LDO Revenue & Expenses Breakdown as at Sep 2026
BIT:LDO Revenue & Expenses Breakdown as at Sep 2026

Babcock International Group (LSE:BAB)

Overview:Babcock International Group is a UK defence contractor that designs, builds and supports complex military ships, vehicles and systems for UK and NATO customers.

Operations:Babcock International Group generates about £2.1b from Nuclear, £1.6b from Marine, £1.1b from Land and £0.4b from Aviation activities.

Market Cap:£4.8b

For the UK and European Defence & Aerospace Contractors theme, Babcock International Group matters because it sits where governments increasingly outsource support work on critical fleets and infrastructure. This ties future upside tightly to how reliably it turns long defence relationships into repeat work.

"Strong operational performance and delivery can drive future growth as Babcock has a lot of frame contracts where discretionary work is awarded based on performance, which could positively impact revenue."

What really shapes the story from here is how one still uncertain pressure on future margins and cash generation resolves over time.

That uncertainty is exactly where the full narrative for Babcock International Group shows how Babcock International Group's long contracts, capital needs and upside could be quietly accelerating or stalling.

LSE:BAB Revenue & Expenses Breakdown as at Sep 2026
LSE:BAB Revenue & Expenses Breakdown as at Sep 2026

Seeking Alternatives Before Momentum Flies

Fresh ideas move first. Once a theme breaks out, the best entries can be gone before most investors even notice. Scan these under-the-radar lists while it still matters and get in early.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com

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