S&P/ASX 100 Index (ATOI) Companies by Market Cap

The S&P/ASX 100 Index (ATOI) tracks 100 constituent companies with a combined market cap of $1.93 Trillion, covering the largest publicly traded companies in Australia. This ranking lists all ATOI index holdings ordered by market capitalization — from the largest index heavyweights to smaller constituents. Updated daily with live market data.

Total Market Cap (USD)

$1.93 Trillion

Constituent Companies

100

Index Country

Australia
Rank Company Weight (%) Market Cap (USD) Sector Industry Price 24h Change
1 BHP Group Ltd
AU:BHP 		% $243.27 Billion Basic Materials Other Industrial Metals & Mining AU$67.67 +0.82%
2 Commonwealth Bank of Australia
AU:CBA 		% $185.76 Billion Financial Services Banks - Diversified AU$157.01 +0.08%
3 Newmont Corporation
AU:NEM 		% $139.28 Billion Basic Materials Gold AU$184.39 +0.12%
4 National Australia Bank Ltd
AU:NAB 		% $82.70 Billion Financial Services Banks - Diversified AU$38.25 +0.63%
5 Westpac Banking Corporation
AU:WBC 		% $82.20 Billion Financial Services Banks - Diversified AU$34.02 +0.83%
6 ANZ Group Holdings Ltd
AU:ANZ 		% $78.89 Billion Financial Services Banks - Diversified AU$37.03 +0.46%
7 Macquarie Group Ltd
AU:MQG 		% $67.96 Billion Financial Services Capital Markets AU$252.00 +1.67%
8 Wesfarmers Ltd
AU:WES 		% $66.42 Billion Consumer Cyclical Home Improvement Retail AU$82.69 +0.41%
9 CSL Ltd
AU:CSL 		% $59.61 Billion Healthcare Biotechnology AU$173.64 +2.68%
10 RIO Tinto Ltd
AU:RIO 		% $47.16 Billion Basic Materials Other Industrial Metals & Mining AU$179.29 +1.05%
11 Woodside Energy Group Ltd
AU:WDS 		% $44.39 Billion Energy Oil & Gas E&P AU$33.00 -1.43%
12 Goodman Group
AU:GMG 		% $40.22 Billion Real Estate Real Estate - Diversified AU$27.80 +0.91%
13 Fortescue Ltd
AU:FMG 		% $38.58 Billion Basic Materials Other Industrial Metals & Mining AU$17.71 -1.23%
14 Telstra Group Ltd
AU:TLS 		% $36.59 Billion Communication Services Telecom Services AU$4.60 -2.65%
15 Woolworths Group Ltd
AU:WOW 		% $33.58 Billion Consumer Defensive Grocery Stores AU$38.85 +0.80%
16 Transurban Group
AU:TCL 		% $30.91 Billion Industrials Infrastructure Operations AU$14.00 +0.50%
17 Aristocrat Leisure Ltd
AU:ALL 		% $26.83 Billion Consumer Cyclical Gambling AU$61.88 +0.65%
18 Northern Star Resources Ltd
AU:NST 		% $24.83 Billion Basic Materials Gold AU$24.54 +0.62%
19 QBE Insurance Group Limited
AU:QBE 		% $23.31 Billion Financial Services Insurance - Property & Casualty AU$22.05 +0.50%
20 Evolution Mining Ltd
AU:EVN 		% $22.82 Billion Basic Materials Gold AU$15.88 +0.95%
21 Coles Group Ltd
AU:COL 		% $22.57 Billion Consumer Defensive Grocery Stores AU$23.75 +4.90%
22 Amcor Plc
AU:AMC 		% $22.01 Billion Consumer Cyclical Packaging & Containers AU$67.28 -0.25%
23 Santos Ltd
AU:STO 		% $18.73 Billion Energy Oil & Gas E&P AU$8.15 -1.33%
24 Brambles Ltd
AU:BXB 		% $18.44 Billion Industrials Specialty Business Services AU$19.44 +1.30%
25 James Hardie Industries Plc
AU:JHX 		% $17.47 Billion Basic Materials Building Materials AU$42.58 +0.66%
26 REA Group Ltd
AU:REA 		% $16.70 Billion Communication Services Internet Content & Information AU$178.68 +1.52%
27 SOUTH32 Ltd
AU:S32 		% $16.25 Billion Basic Materials Other Industrial Metals & Mining AU$5.13 +1.18%
28 Computershare Ltd
AU:CPU 		% $16.10 Billion Financial Services Capital Markets AU$39.35 +0.61%
29 Suncorp Group Ltd
AU:SUN 		% $14.53 Billion Financial Services Insurance - Property & Casualty AU$19.37 +7.97%
30 Origin Energy Ltd
AU:ORG 		% $14.46 Billion Utilities Utilities - Diversified AU$11.86 +0.59%
31 Pro Medicus Ltd
AU:PME 		% $14.09 Billion Healthcare Health Information Services AU$190.60 -1.46%
32 Scentre Group
AU:SCG 		% $13.23 Billion Real Estate REIT - Retail AU$3.58 -2.45%
33 Insurance Australia Group Ltd
AU:IAG 		% $13.15 Billion Financial Services Insurance - Property & Casualty AU$7.86 +3.83%
34 Washington H Soul Pattinson & Company Ltd
AU:SOL 		% $12.07 Billion Financial Services Capital Markets AU$44.90 +1.24%
35 Lynas Rare EARTHS Ltd
AU:LYC 		% $11.81 Billion Basic Materials Other Industrial Metals & Mining AU$16.59 +1.10%
36 Pilbara Minerals Ltd
AU:PLS 		% $11.71 Billion Basic Materials Other Industrial Metals & Mining AU$5.14 -6.03%
37 Xero Ltd
AU:XRO 		% $10.92 Billion Technology Software - Application AU$88.95 +2.56%
38 Wisetech Global Ltd
AU:WTC 		% $10.82 Billion Technology Software - Application AU$45.47 +4.55%
39 APA Group
AU:APA 		% $10.05 Billion Utilities Utilities - Regulated Gas AU$10.73 +1.71%
40 Qantas Airways Ltd
AU:QAN 		% $9.90 Billion Industrials Airlines AU$9.25 +0.43%
41 Bluescope Steel Ltd
AU:BSL 		% $9.62 Billion Basic Materials Steel AU$31.03 -0.26%
42 Medibank Private Ltd
AU:MPL 		% $9.41 Billion Financial Services Insurance - Specialty AU$4.83 +1.47%
43 Mineral Resources Ltd
AU:MIN 		% $9.37 Billion Basic Materials Other Industrial Metals & Mining AU$66.68 -3.46%
44 Vicinity Centres
AU:VCX 		% $8.27 Billion Real Estate REIT - Retail AU$2.52 -0.32%
45 Als Ltd
AU:ALQ 		% $8.05 Billion Industrials Consulting Services AU$22.43 +0.31%
46 Stockland
AU:SGP 		% $8.03 Billion Real Estate REIT - Diversified AU$4.67 -1.27%
47 The Lottery Corporation Ltd
AU:TLC 		% $7.99 Billion Consumer Cyclical Gambling AU$5.08 -0.29%
48 CAR Group Ltd
AU:CAR 		% $7.85 Billion Communication Services Internet Content & Information AU$29.30 +2.77%
49 ASX Ltd
AU:ASX 		% $7.84 Billion Financial Services Financial Data & Stock Exchanges AU$56.69 +2.20%
50 Orica Ltd
AU:ORI 		% $7.32 Billion Basic Materials Specialty Chemicals AU$22.31 +0.77%

Complete list of all companies in the ATOI index ranked by market capitalization. Track index constituent performance and market values. View all indices