Rolls-Royce vs BAE Systems: why the prices moved differently

Weekly · monthly · quarterly news summaries, side by side in time

Rolls-Royce Holdings PLC (RR.LSE)

Q3 202621 Jun – 2 Aug 2026

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Rolls-Royce profit jumps, guidance raised on defense and power demand

H1 profit surge and raised guidance Rolls-Royce's first-half operating profit jumped 46% to £2.5bn, prompting the company to raise its full-year profit guidance to £4.7–4.9bn. This strong financial performance was the main driver of the stock's rise.
The profit beat and guidance raise are the central new financial events that directly lifted the shares.
Defense and power systems growth A £15bn boost to the UK defense budget supports Rolls-Royce's £17.4bn order backlog. Meanwhile, its power systems unit benefits from a looming 100GW US power shortfall and booming data-center demand, with orders up over half and another hyperscaler deal near.
These are new, concrete demand drivers that underpin future revenue and were highlighted as key positives this period.
New nuclear deals Rolls-Royce signed new nuclear agreements in Sweden, the UK, and Japan, adding long-term revenue potential. These deals strengthen its position in the small modular reactor market and support future growth.
The nuclear deals are a fresh positive development that expands the company's long-term opportunity pipeline.
SMR sourcing and weak China luxury demand Risks remain: SMR reactor vessels must be sourced overseas, angering UK politicians and unions and potentially delaying approvals. Chinese luxury car demand is still weak, and quantum computing work is only an early-stage positive signal.
These are the main counterweights that could cap gains or delay projects, providing a balanced view.

July 202621 Jun – 2 Aug 2026

▲3▼1

Rolls-Royce profit jumps, guidance raised on defense and power demand

H1 profit surge and raised guidance Rolls-Royce's first-half operating profit jumped 46% to £2.5bn, prompting the company to raise its full-year profit guidance to £4.7–4.9bn. This strong financial performance was the main driver of the stock's rise.
The profit beat and guidance raise are the central new financial events that directly lifted the shares.
Defense and power systems growth A £15bn boost to the UK defense budget supports Rolls-Royce's £17.4bn order backlog. Meanwhile, its power systems unit benefits from a looming 100GW US power shortfall and booming data-center demand, with orders up over half and another hyperscaler deal near.
These are new, concrete demand drivers that underpin future revenue and were highlighted as key positives this period.
New nuclear deals Rolls-Royce signed new nuclear agreements in Sweden, the UK, and Japan, adding long-term revenue potential. These deals strengthen its position in the small modular reactor market and support future growth.
The nuclear deals are a fresh positive development that expands the company's long-term opportunity pipeline.
SMR sourcing and weak China luxury demand Risks remain: SMR reactor vessels must be sourced overseas, angering UK politicians and unions and potentially delaying approvals. Chinese luxury car demand is still weak, and quantum computing work is only an early-stage positive signal.
These are the main counterweights that could cap gains or delay projects, providing a balanced view.

Latest21 Jun – 2 Aug 2026

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Rolls-Royce wins new nuclear deals but faces UK content scrutiny

Sweden SMR contract and UK/Japan nuclear tech deals Rolls-Royce won a contract to build three small modular reactors in Sweden and signed nuclear technology agreements with the UK and Japan. These deals turn policy support into real revenue commitments, strengthening the long-term growth story and supporting the share price.
This is a new, concrete win that adds to Rolls-Royce's nuclear order book and future revenue.
Overseas sourcing for SMR reactor vessels raises political risk Rolls-Royce is buying key reactor parts from South Korea or the Czech Republic because no UK supplier can make them. This has upset UK politicians and unions, and could slow approvals or force costly changes, weighing on the SMR programme and the shares.
It is a new negative development that could delay or complicate a key growth project.
Quantum computing partnership for turbine design Rolls-Royce is working with Quantinuum and others to explore quantum computing for designing better gas turbines. If successful, this could cut development costs and improve engine performance over time, a small but positive long-term signal for the shares.
It is a new technology collaboration that could enhance future competitiveness.
China consumer weakness hits luxury car sales Rolls-Royce car sales in China have fallen as consumers there spend less on luxury goods. While the decline is less severe than for mass-market brands, it still points to weaker demand in a key market, a mild drag on sentiment for the company.
It is a new data point showing demand pressure in an important region.

2 Jul – 30 Jul 2026

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Rolls-Royce Soars on Record Profit Upgrade and Booming Defense & AI Demand

UK defense budget boost lifts demand outlook The UK unveiled a £15 billion defense spending increase, raising the budget to 2.7% of GDP by 2029. This directly benefits Rolls-Royce's defense arm, which already has a £17.4 billion order backlog, by increasing future orders for military engines and services.
This is a major new demand driver for Rolls-Royce's defense business, directly boosting future revenue and profit potential.
US power shortfall opens new market for gas engines Bank of America warns of a 100-gigawatt US electricity shortfall by 2030, with data centers driving demand. Natural gas turbines are sold out, pushing developers to Rolls-Royce's gas reciprocating engines, creating a new growth avenue beyond aerospace.
This highlights a new, large addressable market for Rolls-Royce's power systems segment, driven by AI data center growth.
H1 profit jumps 46%, guidance raised sharply Rolls-Royce reported a 46% rise in first-half operating profit to £2.5 billion and raised full-year guidance to £4.7-4.9 billion, up from £4-4.2 billion. Strong performance across civil aerospace, defense, and power systems drove the beat, with free cash flow also rising.
This is the core earnings event that directly validates the company's turnaround and boosts investor confidence.
Data center orders surge, hyperscaler deal imminent Rolls-Royce's power systems unit grew organic revenue 28% and profit 72%, with the data center order book expanding by over half in H1. The CEO said another major hyperscaler deal is near, and orders are already being taken for 2028, signaling strong future growth.
This shows concrete momentum in the fast-growing data center power business, a key new profit engine.

BAE Systems plc (BA.LSE)

Q3 20264 Jul – 30 Aug 2026

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BAE Q3: record backlog, new deals, but US fine hits

GCAP fighter contract and new autonomous drone BAE signed a £4.6bn contract for the GCAP fighter jet and unveiled the UK's first autonomous combat drone, expanding its next-generation air power business and showing it can win large, long-term programmes.
These are major new contract wins and product launches that directly support future revenue growth.
Record £84bn backlog and upgraded guidance BAE reported a record £84bn order backlog and upgraded its full-year guidance after 9% sales and 11% profit growth, giving investors more confidence in future earnings and cash flow.
This shows strong operational performance and improved future visibility, key drivers of the share price.
US unit fined $36m for arms export violations BAE's US unit was fined $36m for 104 alleged arms export violations tied to China technology transfers and must appoint an external compliance officer for two years, raising regulatory and reputational risk.
This is a new negative event that could weigh on sentiment and add compliance costs.
Geopolitical tensions and rising defence budgets Geopolitical tensions and rising NATO/UK defence spending, with the UK targeting 3.5% of GDP by 2035, underpin multi-year demand for BAE's products, while one valuation estimate suggests shares remain undervalued.
This macro backdrop supports long-term demand and provides a positive valuation signal.

August 202630 Jul – 30 Aug 2026

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BAE raises outlook on record orders; US fine and space wins in focus

Full-year guidance upgraded on record £84bn backlog BAE lifted its full-year sales, profit and cash targets after a strong first half. Sales rose 9%, profit 11%, and free cash flow swung to a £1.79bn inflow. Order intake of £16.4bn pushed the backlog to a record £84bn, giving years of visible future revenue.
This is the core new event that directly raised earnings expectations and supports the share price.
US unit fined $36m over China tech transfers BAE's US subsidiary was fined $36m for 104 alleged arms export violations tied to technology transfers to China, with an external compliance officer for at least two years. The fine is small versus profits, but it raises regulatory and reputational risk around US defence contracts.
This is the main new counterweight that could weigh on the shares and US relationships.
Space and defence technology wins reinforce growth BAE instruments launched on NASA's Roman Space Telescope, and its FAST Labs won Phase 2 DARPA funding for advanced electronics. These wins show BAE is embedded in high-value US science and defence programmes, supporting long-term demand beyond its core backlog.
New contract and programme milestones add to the growth story and investor confidence.
Geopolitical tensions keep defence demand elevated The FTSE 100 hit record highs despite the Iran war, with BAE gaining 2% on its outlook. NATO, US, UK, European and Indo-Pacific spending commitments, including the UK targeting 3.5% of GDP by 2035, underpin a strong multi-year demand backdrop for BAE.
This explains the broader demand environment that supports BAE's order intake and pricing power.

Latest30 Jul – 30 Aug 2026

▲3▼1

BAE raises outlook on record orders; US fine and space wins in focus

Full-year guidance upgraded on record £84bn backlog BAE lifted its full-year sales, profit and cash targets after a strong first half. Sales rose 9%, profit 11%, and free cash flow swung to a £1.79bn inflow. Order intake of £16.4bn pushed the backlog to a record £84bn, giving years of visible future revenue.
This is the core new event that directly raised earnings expectations and supports the share price.
US unit fined $36m over China tech transfers BAE's US subsidiary was fined $36m for 104 alleged arms export violations tied to technology transfers to China, with an external compliance officer for at least two years. The fine is small versus profits, but it raises regulatory and reputational risk around US defence contracts.
This is the main new counterweight that could weigh on the shares and US relationships.
Space and defence technology wins reinforce growth BAE instruments launched on NASA's Roman Space Telescope, and its FAST Labs won Phase 2 DARPA funding for advanced electronics. These wins show BAE is embedded in high-value US science and defence programmes, supporting long-term demand beyond its core backlog.
New contract and programme milestones add to the growth story and investor confidence.
Geopolitical tensions keep defence demand elevated The FTSE 100 hit record highs despite the Iran war, with BAE gaining 2% on its outlook. NATO, US, UK, European and Indo-Pacific spending commitments, including the UK targeting 3.5% of GDP by 2035, underpin a strong multi-year demand backdrop for BAE.
This explains the broader demand environment that supports BAE's order intake and pricing power.

July 20264 Jul – 23 Jul 2026

▲4

BAE wins new defence deals and shows off combat drone tech

£4.6bn GCAP fighter contract signed The UK, Japan and Italy signed a £4.6bn contract to build the next-generation fighter jet, with BAE as a core developer. This locks in funding and production work for years, supporting future revenue and profit.
This is a major new contract that directly boosts BAE's long-term order book and revenue visibility.
Farnborough show: Ukraine artillery, pilot training, new warhead BAE announced a licensing deal to help Ukraine make artillery, a teaming agreement for RAF pilot training, and a new modular warhead called BlackThorn. These expand BAE's addressable markets and show growing demand for its products.
These are fresh business wins and partnerships that open new revenue streams and reinforce BAE's growth outlook.
UK's first autonomous combat drone unveiled BAE revealed Brontanax, the UK's first uncrewed fighter-like aircraft, and the government put £300m into the StormFighter programme. This positions BAE in the fast-growing robotic warfare market, which could be a big future revenue driver.
It shows BAE is a leader in a new high-growth area, which can lift long-term earnings expectations.
Brazil naval gun order and undervaluation signal BAE won a contract to supply naval guns to Brazil, adding to its £75bn backlog. A fair value estimate of £23.23 suggests the shares are 17.2% undervalued, which may attract investors looking for value.
New order adds to backlog, and the valuation gap highlights potential upside for the share price.

4 Jul – 23 Jul 2026

▲4

BAE wins new defence deals and shows off combat drone tech

£4.6bn GCAP fighter contract signed The UK, Japan and Italy signed a £4.6bn contract to build the next-generation fighter jet, with BAE as a core developer. This locks in funding and production work for years, supporting future revenue and profit.
This is a major new contract that directly boosts BAE's long-term order book and revenue visibility.
Farnborough show: Ukraine artillery, pilot training, new warhead BAE announced a licensing deal to help Ukraine make artillery, a teaming agreement for RAF pilot training, and a new modular warhead called BlackThorn. These expand BAE's addressable markets and show growing demand for its products.
These are fresh business wins and partnerships that open new revenue streams and reinforce BAE's growth outlook.
UK's first autonomous combat drone unveiled BAE revealed Brontanax, the UK's first uncrewed fighter-like aircraft, and the government put £300m into the StormFighter programme. This positions BAE in the fast-growing robotic warfare market, which could be a big future revenue driver.
It shows BAE is a leader in a new high-growth area, which can lift long-term earnings expectations.
Brazil naval gun order and undervaluation signal BAE won a contract to supply naval guns to Brazil, adding to its £75bn backlog. A fair value estimate of £23.23 suggests the shares are 17.2% undervalued, which may attract investors looking for value.
New order adds to backlog, and the valuation gap highlights potential upside for the share price.

Q2 202622 Jun – 2 Jul 2026

▲4

UK £300bn defence boost and record backlog drive BAE higher

UK £300bn defence spending plan The UK government announced nearly £300bn of defence spending over four years, lifting the budget to 2.7% of GDP by 2029. This directly increases demand for BAE's products and services, supporting future revenue and profit growth.
This is the biggest new demand driver, directly boosting BAE's order pipeline and long-term earnings.
Record £83.6bn backlog BAE ended 2025 with a record £83.6bn order backlog and 10% sales growth. A large backlog gives visibility on future revenue, reducing uncertainty and supporting the investment case for the shares.
Backlog is a key indicator of future revenue and shows strong underlying demand.
New space and satellite contracts BAE won a contract to build next-generation imaging satellites for Vantor and demonstrated a radiation-hardened space processor. These wins expand BAE's space business and showcase its technology leadership, supporting future growth.
New contract wins and technology milestones add to BAE's growth story beyond traditional defence.
Allison Transmission $250m CV90 deal BAE awarded Allison a $250m contract for transmissions for CV90 vehicles, with a $50m option. This supports BAE's CV90 program and supply chain, reinforcing demand for its combat vehicles.
Shows ongoing demand for BAE's land systems and strengthens its supply chain.

June 202622 Jun – 2 Jul 2026

▲4

UK £300bn defence boost and record backlog drive BAE higher

UK £300bn defence spending plan The UK government announced nearly £300bn of defence spending over four years, lifting the budget to 2.7% of GDP by 2029. This directly increases demand for BAE's products and services, supporting future revenue and profit growth.
This is the biggest new demand driver, directly boosting BAE's order pipeline and long-term earnings.
Record £83.6bn backlog BAE ended 2025 with a record £83.6bn order backlog and 10% sales growth. A large backlog gives visibility on future revenue, reducing uncertainty and supporting the investment case for the shares.
Backlog is a key indicator of future revenue and shows strong underlying demand.
New space and satellite contracts BAE won a contract to build next-generation imaging satellites for Vantor and demonstrated a radiation-hardened space processor. These wins expand BAE's space business and showcase its technology leadership, supporting future growth.
New contract wins and technology milestones add to BAE's growth story beyond traditional defence.
Allison Transmission $250m CV90 deal BAE awarded Allison a $250m contract for transmissions for CV90 vehicles, with a $50m option. This supports BAE's CV90 program and supply chain, reinforcing demand for its combat vehicles.
Shows ongoing demand for BAE's land systems and strengthens its supply chain.

22 Jun – 2 Jul 2026

▲4

UK £300bn defence boost and record backlog drive BAE higher

UK £300bn defence spending plan The UK government announced nearly £300bn of defence spending over four years, lifting the budget to 2.7% of GDP by 2029. This directly increases demand for BAE's products and services, supporting future revenue and profit growth.
This is the biggest new demand driver, directly boosting BAE's order pipeline and long-term earnings.
Record £83.6bn backlog BAE ended 2025 with a record £83.6bn order backlog and 10% sales growth. A large backlog gives visibility on future revenue, reducing uncertainty and supporting the investment case for the shares.
Backlog is a key indicator of future revenue and shows strong underlying demand.
New space and satellite contracts BAE won a contract to build next-generation imaging satellites for Vantor and demonstrated a radiation-hardened space processor. These wins expand BAE's space business and showcase its technology leadership, supporting future growth.
New contract wins and technology milestones add to BAE's growth story beyond traditional defence.
Allison Transmission $250m CV90 deal BAE awarded Allison a $250m contract for transmissions for CV90 vehicles, with a $50m option. This supports BAE's CV90 program and supply chain, reinforcing demand for its combat vehicles.
Shows ongoing demand for BAE's land systems and strengthens its supply chain.