Research memoBAE Systems plc (BA.L) · LSEMemo of October 12, 2026

BAE Systems stock forecast

BAE Systems' weighted forecast reaches 1867.04 GBp in October 2029; the bear, base and bull cases carry 30%, 50% and 20% probabilities. It hinges on BAE Systems converting its backlog into delivered output, retained margins and ordinary cash.

1882.50
Share price today, GBp
1867.04 (+6 %)
Weighted scenario, October 2029
2.6%
Real free cash flow yield
19.6x
P/E, next 12 months
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Every number traced to BAE Systems's filings8 chapters · 17,316 words207 sources cited

Where could BAE Systems' shares go?

The weighted forecast keeps BAE Systems close to today’s price, with modest positive total return only by October 2029. The weighted prices are 1806.07 GBp in October 2027, with a negative 2% return including dividends, and 1826.09 GBp in October 2028, with a 1% return. By October 2029, the weighted price reaches 1867.04 GBp, a 6% total return.

The range is much wider than the weighted outcome: by October 2029, the bear case is 1083.54 GBp and the bull case is 3313.14 GBp, against today’s 1882.50 GBp. The probabilities are 30% bear, 50% base and 20% bull.

Share price in October 2029: our three scenarios (GBp)Today 18.8251083.54Bear · 30 % · -37%1758.71Base · 50 % · +0%3313.14Bull · 20 % · +84%
What the shares could be worthGBp per BA.L share at each date; in brackets the return since today's 1882.50, dividends included
CaseProbabilityOctober 2027October 2028October 2029
Bear30 %1270.00 (-31 %)1129.33 (-36 %)1083.54 (-37 %)
Base50 %1860.44 (+1 %)1820.55 (+1 %)1758.71 (+0 %)
Bull20 %2474.26 (+34 %)2885.10 (+58 %)3313.14 (+84 %)
Weighted100 %1806.07 (-2 %)1826.09 (+1 %)1867.04 (+6 %)

What has to go right for BAE Systems, and what could go wrong?

The base earnings row is £2,534m in October 2027. It rises to £2,726m in October 2028 and reaches £2,926m in October 2029. The base margin path moves from 7.8% to 8.1%, reflecting delivery of most of management’s upgraded plan without assuming a dramatic recovery in Maritime. The bear row gives £2,247m at the first date and £2,271m at the second, because advances unwind and fixed-price ship work absorbs costs. It reaches £2,342m at the last date. The bull starts at £2,738m and reaches £3,068m in the second year, then £3,393m, because capacity, suppliers and accepted deliveries convert demand into operating leverage. Maritime return on sales had fallen to 6.1%, which argues against making the bull case the central case.

How much cash does BAE Systems really make?

Free cash flow is the cash left after the deductions chosen by the company or analyst. BAE’s own measure includes joint-venture dividends and deducts selected capital, lease and interest items. A stricter measure deducts gross capital spending, lease payments and interest paid. Stock-based pay creates another adjustment: it is not a cash payment at grant, but it compensates employees and therefore belongs in an economic cash assessment.

Follow the money: real free cash flow£ millions
20252024202320222021
Cash from operations3,4323,9253,7602,8392,447
− Capital spending1,1031,163957693612
= Free cash flow1,6302,0292,1551,6411,371
− Stock pay17414411010192
= Real free cash flow1,4561,8852,0451,5401,279
Real free cash flow, % of revenue5.1%7.2%8.9%7.2%6.6%

What does an investor pay today for BAE Systems?

Revenue rose from £19,521m in 2021 to £28,336m in 2025, while operating margin fell from 12.2% to 10.3%. Computed free cash flow—cash from operations minus capital spending—peaked at an 8.9% margin in 2023 and fell to 5.1% in 2025. Net debt fell from £5,034m in 2024 to £3,847m in 2025. Computed free cash flow per share fell from 66.57p in 2023 to 48.04p in 2025. At 1,882.50p, the shares trade at 27.0x trailing earnings and 19.6x next-12-month earnings, with a 2.9% free-cash-flow yield and 1.9% dividend yield.

What an investor pays today£ millions; per share in pence
Today (Oct 12, 2026)
Share price1882.50
P/E, last 12 months (calculated)27.0x
P/E, next 12 months (calculated)19.6x
Free cash flow yield (calculated)2.9%
Real free cash flow yield (calculated)2.6%
Dividend yield (calculated)1.9%
From the full memo · 1. The business

BAE Systems sells the machinery, electronics, software and long-term service that governments use to defend themselves. Its business is best understood as a long chain: public money enters through programmes, flows to people and suppliers, and returns as profit only after BAE has delivered what it promised.

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Where these numbers come from

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