Astrazeneca plc vs Lilly(Eli) & Co

Astrazeneca plc (AZN) is slightly undervalued and Lilly(Eli) & Co (LLY) is overvalued.

Against our estimates of intrinsic value, AZN trades at the wider discount: a margin of safety of +7%, against -35% for LLY.

Values as of the 22 Sept 2026 close.

Astrazeneca plc (AZN)

Discounting its cash flows at 7.4% (average of 3 methods) values the shares at $180.20; the price of $168.37 is 7% below that value, and 82% of that value comes from beyond year five.

Leak Score 59/100 on 3 of 12 signals

Lilly(Eli) & Co (LLY)

Discounting its cash flows at 8.0% (average of 3 methods) values the shares at $869.22; the price of $1170.14 is 35% above that value, and 80% of that value comes from beyond year five.

Leak Score 63/100 on 9 of 12 signals

MetricAZNLLY
VerdictSlightly undervaluedOvervalued
Price$168.37$1170.14
Intrinsic value$180.20$869.22
Margin of safety+7%-35%
Leak Score59/100 (3/12)63/100 (9/12)
Market cap$261.1B$1.10T
Revenue growth, 5 years16.3%21.6%
Operating margin22.4%49.7%
Net margin17.0%33.5%
Return on equity22.0%102.4%
Debt to equity0.641.62
P/E25.2x39.8x
Forward P/E14.6x24.9x
P/B5.2x32.5x
Dividend yield2.0%0.6%

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