Key points
- S&P/ASX 20 Index remains unchanged
- S&P/ASX 50 Index sees two additions and two removals
- S&P/ASX 100 Index has one addition and one removal
- S&P/ASX 200 Index includes two additions
- S&P/ASX 300 Index has multiple additions and removals
Full summary
S&P Dow Jones Indices announced the September 2026 quarterly rebalance of the S&P/ASX Indices, effective prior to the open of trading on Monday, September 21, 2026. The S&P/ASX 20 Index remained unchanged. The S&P/ASX 50 Index saw the addition of Mineral Resources Limited and NEXTDC Limited, and the removal of Cochlear Limited and WiseTech Global Limited. The S&P/ASX 100 Index added Codan Limited and removed Atlas Arteria. The S&P/ASX 200 Index included the addition of Elsight Limited and Smartgroup Corporation Limited. The S&P/ASX 300 Index had multiple additions and removals, including Artrya Limited, Benz Mining Corp., and Brazilian Rare Earths Limited, among others. Detailed changes can be viewed in the proforma files delivered to client SFTP accounts after market close today.