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 $1.83 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)
$1.83 Trillion
Constituent Companies
100
Index Country
Australia
| Rank | Company | Weight (%) | Market Cap (USD) | Sector | Industry | Price | 24h Change |
|---|---|---|---|---|---|---|---|
| 51 |
Xero Ltd
AU:XRO |
% | $7.35 Billion | Technology | Software - Application | AU$59.81 | +3.50% |
| 52 |
Technology One Ltd
AU:TNE |
% | $7.11 Billion | Technology | Software - Application | AU$31.27 | +2.93% |
| 53 |
Mineral Resources Ltd
AU:MIN |
% | $6.93 Billion | Basic Materials | Other Industrial Metals & Mining | AU$49.36 | -0.62% |
| 54 |
Sonic Healthcare Ltd
AU:SHL |
% | $6.52 Billion | Healthcare | Diagnostics & Research | AU$18.65 | -0.27% |
| 55 |
QUBE Holdings Ltd
AU:QUB |
% | $6.45 Billion | Industrials | Integrated Freight & Logistics | AU$5.11 | +0.00% |
| 56 |
Charter Hall Group
AU:CHC |
% | $6.31 Billion | Real Estate | Real Estate - Diversified | AU$18.87 | +3.34% |
| 57 |
GPT Group
AU:GPT |
% | $6.17 Billion | Real Estate | REIT - Diversified | AU$4.55 | +1.11% |
| 58 |
CAR Group Ltd
AU:CAR |
% | $6.11 Billion | Communication Services | Internet Content & Information | AU$22.80 | +1.74% |
| 59 |
Cochlear Ltd
AU:COH |
% | $5.94 Billion | Healthcare | Medical Devices | AU$128.39 | -0.47% |
| 60 |
JB Hi-Fi Ltd
AU:JBH |
% | $5.59 Billion | Consumer Cyclical | Specialty Retail | AU$72.20 | +2.08% |
| 61 |
NEXTDC Ltd
AU:NXT |
% | $5.30 Billion | Technology | Information Technology Services | AU$10.37 | +0.88% |
| 62 |
Mirvac Group
AU:MGR |
% | $5.14 Billion | Real Estate | REIT - Diversified | AU$1.84 | +1.38% |
| 63 |
Challenger Ltd
AU:CGF |
% | $4.86 Billion | Financial Services | Insurance - Life | AU$9.94 | +1.43% |
| 64 |
Steadfast Group Ltd
AU:SDF |
% | $4.54 Billion | Financial Services | Insurance Brokers | AU$5.77 | +0.00% |
| 65 |
Ansell Ltd
AU:ANN |
% | $4.50 Billion | Healthcare | Medical Instruments & Supplies | AU$45.14 | +0.09% |
| 66 |
Whitehaven Coal Ltd
AU:WHC |
% | $4.49 Billion | Energy | Thermal Coal | AU$7.68 | +1.05% |
| 67 |
Aurizon Holdings Ltd
AU:AZJ |
% | $4.38 Billion | Industrials | Railroads | AU$3.68 | +0.27% |
| 68 |
Cleanaway Waste Management Ltd
AU:CWY |
% | $4.38 Billion | Industrials | Waste Management | AU$2.76 | +0.00% |
| 69 |
Dexus
AU:DXS |
% | $4.32 Billion | Real Estate | REIT - Office | AU$5.69 | +0.89% |
| 70 |
Bendigo and Adelaide Bank Ltd
AU:BEN |
% | $4.11 Billion | Financial Services | Banks - Regional | AU$10.29 | +0.59% |
| 71 |
AGL Energy Ltd
AU:AGL |
% | $4.01 Billion | Utilities | Utilities - Independent Power Producers | AU$8.43 | +0.24% |
| 72 |
Atlas Arteria
AU:ALX |
% | $3.92 Billion | Industrials | Infrastructure Operations | AU$3.82 | -0.26% |
| 73 |
AMP Ltd
AU:AMP |
% | $3.85 Billion | Financial Services | Financial Conglomerates | AU$2.44 | +1.24% |
| 74 |
Endeavour Group Ltd
AU:EDV |
% | $3.84 Billion | Consumer Defensive | Beverages - Wineries & Distilleries | AU$3.02 | +0.00% |
| 75 |
Incitec Pivot Ltd
AU:IPL |
% | $3.48 Billion | Basic Materials | Specialty Chemicals | AU$2.64 | +0.00% |
| 76 |
The a2 Milk Company Ltd
AU:A2M |
% | $3.47 Billion | Consumer Defensive | Packaged Foods | AU$6.73 | +3.06% |
| 77 |
Worley Ltd
AU:WOR |
% | $3.38 Billion | Energy | Oil & Gas Equipment & Services | AU$9.44 | +0.43% |
| 78 |
IGO Ltd
AU:IGO |
% | $3.26 Billion | Basic Materials | Other Industrial Metals & Mining | AU$6.08 | -1.94% |
| 79 |
Downer Edi Ltd
AU:DOW |
% | $3.22 Billion | Industrials | Engineering & Construction | AU$6.88 | +0.15% |
| 80 |
Treasury Wine Estates Ltd
AU:TWE |
% | $3.21 Billion | Consumer Defensive | Beverages - Wineries & Distilleries | AU$5.62 | +0.36% |
| 81 |
Seek Ltd
AU:SEK |
% | $3.19 Billion | Communication Services | Internet Content & Information | AU$12.58 | +2.95% |
| 82 |
Bank of Queensland Ltd
AU:BOQ |
% | $2.96 Billion | Financial Services | Banks - Regional | AU$6.37 | -0.16% |
| 83 |
Metcash Ltd
AU:MTS |
% | $2.35 Billion | Consumer Defensive | Food Distribution | AU$3.02 | -0.98% |
| 84 |
NIB Holdings Ltd
AU:NHF |
% | $2.29 Billion | Financial Services | Insurance - Specialty | AU$6.62 | +1.85% |
| 85 |
Liontown Resources Ltd
AU:LTR |
% | $1.73 Billion | Basic Materials | Other Industrial Metals & Mining | AU$0.77 | -3.75% |
| 86 |
Iluka Resources Ltd
AU:ILU |
% | $1.72 Billion | Basic Materials | Other Industrial Metals & Mining | AU$5.67 | +0.00% |
| 87 |
Flight Centre Travel Group Ltd
AU:FLT |
% | $1.50 Billion | Consumer Cyclical | Travel Services | AU$10.26 | +0.98% |
| 88 |
Dominos PIZZA Enterprises Ltd
AU:DMP |
% | $1.45 Billion | Consumer Cyclical | Restaurants | AU$22.20 | +0.91% |
| 89 |
Orora Ltd
AU:ORA |
% | $1.24 Billion | Consumer Cyclical | Packaging & Containers | AU$1.41 | +3.68% |
| 90 |
Lendlease Group
AU:LLC |
% | $1.21 Billion | Real Estate | Real Estate - Diversified | AU$2.48 | -1.59% |
| 91 |
Nine Entertainment Co. Holdings Ltd
AU:NEC |
% | $757.37 Million | Communication Services | Entertainment | AU$0.68 | +3.05% |
| 92 |
Idp Education Ltd
AU:IEL |
% | $430.03 Million | Consumer Defensive | Education & Training Services | AU$2.20 | +4.76% |
| 93 |
Altium Ltd
AU:ALU
|
% | - | Technology | Software - Application | - | - |
| 94 |
Resmed Inc DRC
AU:RMD
|
% | - | Healthcare | Medical Instruments & Supplies | - | - |
| 95 |
Fisher & Paykel Healthcare Corporation Limited
AU:FPH
|
% | - | Healthcare | Medical Instruments & Supplies | - | - |
| 96 |
Reliance Worldwide Corporation Ltd
AU:RWC
|
% | - | Industrials | Building Products & Equipment | - | - |
| 97 |
Virgin Money PLC
AU:VUK
|
% | - | Financial Services | Banks - Regional | - | - |
| 98 |
Block Inc
AU:SQ2
|
% | - | Technology | Software - Infrastructure | - | - |
| 99 |
Arcadium Lithium plc
AU:LTM
|
% | - | N/A | N/A | - | - |
| 100 |
SEVEN GROUP HOLDINGS LTD
AU:SVW
|
% | - | Industrials | Conglomerates | - | - |
Complete list of all companies in the ATOI index ranked by market capitalization. Track index constituent performance and market values. View all indices