Gsk PLC (GSK) intrinsic value & 10-year financials

Gsk PLC (GSK) has a Graham intrinsic value of £92.21 per share. At £49.46 on Oct 20, 2026, the stock trades 46% below that value. Over the last 10 fiscal years revenue grew 1.8% a year to £32.7B, with an average return on invested capital of 19.8%.

Graham intrinsic value
£92.21
Share price (Oct 20, 2026)
£49.46
Price vs Graham value
46% below
Market cap
£100.2B
Revenue (FY2025)
£32.7B
Revenue growth (10-yr CAGR)
1.8%
ROIC (10-yr avg)
19.8%
Free cash flow (FY2025)
£6.4B

GSK 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 £32.7B £6.3B £2.78 £6.4B 24.3% 27.3%
FY2024 £31.4B £3.0B £1.24 £5.2B 12.8% 14.5%
FY2023 £30.3B £5.3B £2.40 £5.5B 22.2% 24.4%
FY2022 £29.3B £15.6B £7.32 £6.3B 21.9% 20.4%
FY2021 £34.1B £5.1B £1.73 £6.8B 18.2% 16.1%
FY2020 £34.1B £6.4B £2.28 £7.2B 22.8% 19.2%
FY2019 £33.8B £5.3B £1.85 £6.8B 20.6% 19.6%
FY2018 £30.8B £4.0B £1.46 £7.1B 17.8% 27.0%
FY2017 £30.2B £2.2B £0.62 £5.4B 13.5% 18.8%
FY2016 £27.9B £1.1B £0.37 £5.0B 9.3% 10.3%

Source: annual 10-K filings on SEC EDGAR. Figures in GBP.

Executive summary

GSK PLC has demonstrated mature, steady growth, with revenue compounding at 1.8% annually over the past decade.

GSK PLC has earned high returns on invested capital, averaging 19.7% ROIC over the available history. High ROIC is consistent with a durable franchise, but it is not by itself proof of an economic moat.

Over the decade, GSK PLC shows that management has aggressively returned capital to shareholders by retiring 16.6% of outstanding shares.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, GSK PLC is modeled at 15.0% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $92.21 per share.

GSK stock: frequently asked questions

What is the intrinsic value of Gsk PLC (GSK) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 15.0% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, GSK's intrinsic value is about £92.21 per share.

Is GSK stock undervalued?

At £49.46 (close on Oct 20, 2026), GSK trades 46% below its Graham value of £92.21. On Graham's terms that leaves a margin of safety. A formula is a starting point for research, not a recommendation.

How fast has Gsk PLC grown?

Revenue went from £27.9B in fiscal 2016 to £32.7B in fiscal 2025, a compound annual growth rate of 1.8%. Net income was £6.3B in fiscal 2025.

Does Gsk PLC generate free cash flow?

Gsk PLC generated £6.4B of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 10 of the last 10 reported years.

What is GSK's return on invested capital?

Average ROIC over the last 10 fiscal years was 19.8%, and average return on equity was 50.2%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this GSK data come from?

From Gsk PLC's annual 10-K filings on SEC EDGAR, most recently filed Mar 6, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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