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 $1.84 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)

$1.84 Trillion

Constituent Companies

100

Index Country

Australia
Rank Company Weight (%) Market Cap (USD) Sector Industry Price 24h Change
1 BHP Group Ltd
AU:BHP 		% $209.51 Billion Basic Materials Other Industrial Metals & Mining AU$58.28 +2.48%
2 Commonwealth Bank of Australia
AU:CBA 		% $199.78 Billion Financial Services Banks - Diversified AU$168.86 +0.45%
3 Newmont Corporation
AU:NEM 		% $102.61 Billion Basic Materials Gold AU$135.84 +1.56%
4 Westpac Banking Corporation
AU:WBC 		% $88.29 Billion Financial Services Banks - Diversified AU$36.54 +0.94%
5 National Australia Bank Ltd
AU:NAB 		% $85.64 Billion Financial Services Banks - Diversified AU$39.61 +0.84%
6 ANZ Group Holdings Ltd
AU:ANZ 		% $76.80 Billion Financial Services Banks - Diversified AU$36.05 +0.81%
7 Wesfarmers Ltd
AU:WES 		% $72.05 Billion Consumer Cyclical Home Improvement Retail AU$89.70 -1.29%
8 Macquarie Group Ltd
AU:MQG 		% $68.63 Billion Financial Services Capital Markets AU$254.49 +0.91%
9 Goodman Group
AU:GMG 		% $43.36 Billion Real Estate Real Estate - Diversified AU$29.97 +0.17%
10 RIO Tinto Ltd
AU:RIO 		% $43.27 Billion Basic Materials Other Industrial Metals & Mining AU$164.49 +3.77%
11 CSL Ltd
AU:CSL 		% $42.19 Billion Healthcare Biotechnology AU$122.89 -2.10%
12 Fortescue Ltd
AU:FMG 		% $40.24 Billion Basic Materials Other Industrial Metals & Mining AU$18.47 +1.99%
13 Woodside Energy Group Ltd
AU:WDS 		% $39.08 Billion Energy Oil & Gas E&P AU$29.05 -0.85%
14 Telstra Group Ltd
AU:TLS 		% $39.02 Billion Communication Services Telecom Services AU$4.90 -1.61%
15 Woolworths Group Ltd
AU:WOW 		% $34.71 Billion Consumer Defensive Grocery Stores AU$40.16 -0.69%
16 Transurban Group
AU:TCL 		% $32.28 Billion Industrials Infrastructure Operations AU$14.62 -0.48%
17 QBE Insurance Group Limited
AU:QBE 		% $26.92 Billion Financial Services Insurance - Property & Casualty AU$25.47 -0.43%
18 Aristocrat Leisure Ltd
AU:ALL 		% $26.77 Billion Consumer Cyclical Gambling AU$61.74 -1.06%
19 Coles Group Ltd
AU:COL 		% $22.39 Billion Consumer Defensive Grocery Stores AU$23.56 -0.46%
20 Northern Star Resources Ltd
AU:NST 		% $20.72 Billion Basic Materials Gold AU$20.48 +1.74%
21 Amcor Plc
AU:AMC 		% $20.23 Billion Consumer Cyclical Packaging & Containers AU$61.83 +0.78%
22 Brambles Ltd
AU:BXB 		% $17.78 Billion Industrials Specialty Business Services AU$18.74 -2.65%
23 Santos Ltd
AU:STO 		% $17.51 Billion Energy Oil & Gas E&P AU$7.62 -0.39%
24 Evolution Mining Ltd
AU:EVN 		% $16.71 Billion Basic Materials Gold AU$11.63 +3.38%
25 Computershare Ltd
AU:CPU 		% $16.17 Billion Financial Services Capital Markets AU$39.52 +0.23%
26 James Hardie Industries Plc
AU:JHX 		% $14.38 Billion Basic Materials Building Materials AU$35.05 +0.57%
27 Suncorp Group Ltd
AU:SUN 		% $14.38 Billion Financial Services Insurance - Property & Casualty AU$18.76 -0.74%
28 Scentre Group
AU:SCG 		% $14.34 Billion Real Estate REIT - Retail AU$3.88 +0.78%
29 REA Group Ltd
AU:REA 		% $13.94 Billion Communication Services Internet Content & Information AU$149.14 +0.53%
30 Insurance Australia Group Ltd
AU:IAG 		% $13.71 Billion Financial Services Insurance - Property & Casualty AU$8.19 -0.24%
31 Pro Medicus Ltd
AU:PME 		% $13.54 Billion Healthcare Health Information Services AU$197.07 -6.34%
32 Origin Energy Ltd
AU:ORG 		% $12.76 Billion Utilities Utilities - Diversified AU$10.47 -0.48%
33 SOUTH32 Ltd
AU:S32 		% $12.73 Billion Basic Materials Other Industrial Metals & Mining AU$4.02 +5.24%
34 Lynas Rare EARTHS Ltd
AU:LYC 		% $11.84 Billion Basic Materials Other Industrial Metals & Mining AU$16.63 -1.36%
35 Washington H Soul Pattinson & Company Ltd
AU:SOL 		% $11.83 Billion Financial Services Capital Markets AU$44.02 -0.09%
36 Qantas Airways Ltd
AU:QAN 		% $11.15 Billion Industrials Airlines AU$10.41 +0.19%
37 Pilbara Minerals Ltd
AU:PLS 		% $10.55 Billion Basic Materials Other Industrial Metals & Mining AU$4.63 +0.43%
38 Bluescope Steel Ltd
AU:BSL 		% $9.92 Billion Basic Materials Steel AU$32.00 +0.00%
39 Medibank Private Ltd
AU:MPL 		% $9.82 Billion Financial Services Insurance - Specialty AU$5.04 +0.00%
40 APA Group
AU:APA 		% $9.32 Billion Utilities Utilities - Regulated Gas AU$9.95 +0.10%
41 Xero Ltd
AU:XRO 		% $9.01 Billion Technology Software - Application AU$73.40 -1.26%
42 Vicinity Centres
AU:VCX 		% $8.67 Billion Real Estate REIT - Retail AU$2.64 +1.54%
43 The Lottery Corporation Ltd
AU:TLC 		% $8.63 Billion Consumer Cyclical Gambling AU$5.48 -0.36%
44 Mineral Resources Ltd
AU:MIN 		% $8.39 Billion Basic Materials Other Industrial Metals & Mining AU$59.70 +2.07%
45 Als Ltd
AU:ALQ 		% $8.09 Billion Industrials Consulting Services AU$22.54 +1.35%
46 Wisetech Global Ltd
AU:WTC 		% $8.09 Billion Technology Software - Application AU$34.00 -1.82%
47 Orica Ltd
AU:ORI 		% $7.76 Billion Basic Materials Specialty Chemicals AU$23.65 -0.67%
48 ASX Ltd
AU:ASX 		% $7.49 Billion Financial Services Financial Data & Stock Exchanges AU$54.20 -0.02%
49 Charter Hall Group
AU:CHC 		% $7.47 Billion Real Estate Real Estate - Diversified AU$22.34 +2.24%
50 Sonic Healthcare Ltd
AU:SHL 		% $7.43 Billion Healthcare Diagnostics & Research AU$21.24 -0.56%

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