AstraZeneca PLC

AZNNYSEHealthcare● Active

$185.95

+$4.15(+2.28%)

Market Cap$288.4B

P/E Ratio—

52W High$212.71

52W Low$137.22

Avg Volume1.9M

Open$184.02

Beta0.21

Overview

AstraZeneca PLC (AZN) Shares Outstanding — Overview

Basic and diluted weighted average shares, YoY change, float context, and historical trend from SEC filings and FMP.

AZN · shares outstanding · updated Jun 8, 2026

Key metrics

as of Dec 31, 2025

Basic Shares Outstanding · Weighted average · fiscal year

1.550B▲ +0.00% YoY Change

FY · as of Dec 31, 2025 · Reported in USD

vs 1.550B in FY 2024

Diluted Shares Outstanding

1.562B

incl. options, RSUs, convertibles

Dilution Spread

+0.77%

Diluted vs Basic

YoY Change

+0.00%

year-over-year

Float (Free Float)

1.541B

publicly tradable shares

99.4% of total

Source: FMP /income-statement · /shares-float · SEC 10-K / 10-QUpdated: 2026-06-08

Shares Outstanding Growth Rate

CAGR · weighted avg basic shares

3-Year CAGRincreasing

+0.0%

2022 → 2025

5-Year CAGRincreasing

+3.4%

2020 → 2025

10-Year CAGRincreasing

+2.1%

2015 → 2025

ⓘ

Negative CAGR typically indicates share buyback or retirement activity. Interpret alongside Splits and Financials tabs. Splits / Financials

Shares outstanding history

AZN · weighted avg basic shares · annual / quarterly

Unit: billions of shares (B)

↓ Decrease — typically buyback / retirement

↑ Increase — issuance / equity compensation

Latest

* most recent reported · FMP /income-statement · weightedAverageShsOut

Annual shares outstanding by year

YearBasic SharesDiluted SharesYoY Change

FY 2025Latest

1.550B1.562B+0.00%

FY 2024

1.550B1.563B-0.77%

FY 2023

1.562B1.562B+0.90%

FY 2022

1.548B1.560B+9.17%

FY 2021

1.418B1.427B+8.08%

FY 2025Latest

Diluted Shares: 1.562B

1.550B

+0.00%

FY 2024

Diluted Shares: 1.563B

1.550B

-0.77%

FY 2023

Diluted Shares: 1.562B

1.562B

+0.90%

FY 2022

Diluted Shares: 1.560B

1.548B

+9.17%

FY 2021

Diluted Shares: 1.427B

1.418B

+8.08%

FMP /income-statement · weightedAverageShsOut · weightedAverageShsOutDilUnit: Billions (B)

Healthcare sector shares outstanding comparison

Shares Outstanding for similar companies or competitors in the Healthcare sector.

Healthcare

#SymbolCompanyShares (Basic)vs AZNMarket Cap

AZN

AstraZeneca PLCYOU

1.550B——

UNH

UnitedHealth Group Incorporated

910.0M-41.3%$362.8B

LLY

Eli Lilly and Company

898.0M-42.1%$1.07T

/company-screener · per-peer /income-statement · cache 86400s

Understanding Shares Outstanding

Basic · Diluted · Float

What Are Shares Outstanding? (Basic)

AstraZeneca PLC (AZN) shares outstanding is the total number of issued shares held by shareholders — the basis for Basic EPS and market capitalization. As of December 31, 2025, AstraZeneca PLC reports 1.550B basic shares outstanding (weighted average).

Basic vs. Diluted Shares Outstanding

AstraZeneca PLC's basic shares outstanding (1.550B) represents currently issued shares. Diluted shares outstanding (1.562B) also includes potential shares from stock options, RSUs, and convertibles. Dilution spread: +0.77%.

Shares Outstanding vs. Float (Free Float)

AstraZeneca PLC's float is 1.541B (99.4% of total shares outstanding) — shares freely available for public trading, excluding insider-held and restricted shares.

Float1.541B(99.4%)

Outstanding1.551B

ⓘ Float data from /shares-float reflects the most recent SEC filing period-end. The weighted average shares (from /income-statement) may differ — this is a normal reporting window difference, not a data error.

FMP /income-statement · /shares-float · SEC EDGAR · USD

About shares outstanding & methodology

AstraZeneca PLC (AZN) shares outstanding history from 2006 to 2025. Shares outstanding can be defined as the total number of shares held by all shareholders — including institutional investors, retail investors, and company insiders — assuming conversion of all convertible debt, securities, warrants, and options. This metric excludes the company's treasury shares.

AstraZeneca PLC shares outstanding for the fiscal year ending December 31, 2025 were 1.550B, a 0.00% increase year-over-year. AstraZeneca PLC FY 2025 shares outstanding were 1.550B, a +0.00% increase from FY 2024.

AstraZeneca PLC is a leading company operating in the Healthcare sector. The company's share count trajectory — with a 10-year CAGR of +2.1% — is a key signal for investors evaluating capital return policy, EPS accretion, and long-term shareholder value creation.

Figures tie to SEC 10-K/10-Q income statement disclosures and FMP /income-statement · /shares-float where noted.

Market cap Splits Earnings Financials (Income)Cash on hand Free cash flow Net income Price history

Frequently asked questions

AZN shares outstanding · 4 questions

As of December 31, 2025, AstraZeneca PLC (AZN) has approximately 1.550B basic shares outstanding and 1.562B diluted shares outstanding. This represents a +0.00% year-over-year increase from FY 2024 (1.550B). The increase may reflect equity compensation issuances or secondary offerings.

AZN shares outstandinghow many shares does AZN haveAZN basic shares 2025AZN diluted shares

▸ Data: FMP /income-statement · /shares-float · SEC EDGAR · weighted average basis · AstraZeneca PLC SEC 10-K & 10-Q filings · US GAAP · Last updated: 2026-06-08