Chemring, Babcock and Avon top picks in defence sector, with BAE premium 'not justified'

Jefferies said UK defence stocks could regain momentum once the long-delayed Defence Investment Plan is published, arguing the sector still has some of the strongest long-term growth prospects in London. The main headwind has been more than six months of uncertainty around the government's spending roadmap, along with political uncertainty and higher borrowing costs. The note is supportive for the sector but does not include any new policy commitment or budget figure.

Analysis

The key read-through is not just a sentiment bounce for UK primes; it is a sequencing trade. Once the spending roadmap is published, the market should re-rate the visibility of medium-cycle cash flows, but the bigger beneficiary may be the tier-2 and tier-3 suppliers that have been discounted for being too policy-sensitive and too small to matter. If the plan emphasizes readiness, stockpiles, munitions, and domestic industrial capacity rather than only headline platforms, then the earnings leverage shifts downstream into electronics, precision components, software integration, and maintenance-heavy names that can see margin inflection faster than the primes.

The second-order effect is that political clarity can compress the funding discount embedded across the whole complex, especially names tied to UK government procurement. Higher rates have punished long-duration defense growth stories because the market treated them like industrials with no timing visibility; removing that overhang should matter more for valuation than for near-term revenue, which means the move could be sharp but initially multiple-led rather than earnings-led. That also makes the sector vulnerable to disappointment if the plan is broad, vague, or heavily delayed again: the risk is not demand destruction, but a reset of confidence and another round of underperformance versus European defense peers with clearer procurement pipelines.

Contrarian setup: the consensus may be underestimating how much of the rerating happens before any budget is actually spent. The first tradeable catalyst is publication itself, not contract awards, and the highest beta names could outperform for several weeks if positioning is still light. But if the document lacks hard timelines, quantities, or funding offsets, the rally should fade quickly because investors will have bought visibility without incremental backlog. In that case, the trade becomes a sell-the-news event rather than a structural re-rating.

A more nuanced angle is that UK defense names could benefit from relative scarcity value versus broader London equities, where growth is still limited and policy support is sparse. If the plan confirms multi-year procurement and domestic industrial preference, then the sector can attract long-only capital that has been waiting for a credible UK growth narrative, creating a forced rotation effect from low-growth cyclicals into defense. That flow-driven bid is likely to matter more over the next 1-3 months than any immediate earnings revisions.

Key Decisions for Investors

• Go long a UK defense basket into the publication window over the next 2-6 weeks; target a 5-10% upside re-rating on improved visibility, with a tight stop if the plan is delayed again or lacks concrete spending detail.
• Prefer higher-beta suppliers over the largest primes if available in the market: the second-order procurement mix favors names with more operating leverage to munitions, electronics, and maintenance rather than pure platform exposure; use a 1-3 month horizon.
• If liquid instruments are accessible, pair long UK defense versus short a UK industrials or homebuilders basket for 1-2 months; the thesis is policy-clarity-driven multiple expansion in defense against rate-sensitive domestic cyclicals.
• On any post-release spike, trim 30-50% of the trade if the plan is narrative-heavy but lacks funding specificity; that is the most likely sell-the-news setup.
• For options traders, consider short-dated call spreads on the most sentiment-sensitive UK defense exposure into the catalyst, limiting downside if the government disappoints while capturing a sharp pre/post-publication move.