S&P Dow Jones Indices announced on September 4, 2026 the September quarterly rebalancing of the S&P/ASX index family, with changes effective prior to the market open on September 21, 2026. The rebalancing involved significant activity across multiple index tiers, driven by shifts in company market capitalizations and positioning within the Australian equity market. The S&P/ASX 20 index saw no changes, while lower indices experienced material additions and removals reflecting ongoing market evolution.
The S&P/ASX 50 welcomed Mineral Resources and NEXTDC as new constituents, while Cochlear and WiseTech Global were removed. The S&P/ASX 100 added Codan and removed Atlas Arteria. The S&P/ASX 200 proved more active, adding seven companies including Elsight, Smartgroup, Sunrise Energy Metals, Service Stream, and Weebit Nano, alongside removals of EVT, GrainCorp, GQG Partners, Pantoro Gold, and Tuas. The broader S&P/ASX 300 added 15 companies and removed 14, while the All Ordinaries index saw numerous adjustments reflecting changes across Australia’s listed company universe.
Index rebalancing generates consequential effects for market participants. When a company joins an index, passive funds and ETFs tracking that benchmark must purchase shares to maintain alignment with the new composition, creating buying pressure that can influence stock prices. Similarly, removed companies face selling pressure from index-tracking portfolios rebalancing their holdings. These mechanical flows operate independent of company fundamentals or broader market sentiment, yet can materially affect stock price movements in the period surrounding the effective date.
Index membership carries significance beyond immediate price impacts. Inclusion influences the investor base through passive fund exposure, affects the breadth of research analyst coverage, and determines liquidity characteristics and trading dynamics. For many institutional investors, index status represents a critical variable when evaluating Australian equities. Index rebalancing events therefore serve as important signals for understanding shifts in market composition and anticipating flows from passive investment strategies.
Investors should monitor market response as portfolios rebalance toward the September 21 effective date. The changes reflect evolving dynamics within Australia’s equity market and may create trading opportunities around passive fund flows. Portfolio managers tracking these indices should review holdings to ensure alignment with the revised compositions and consider the timing of necessary adjustments. This announcement is price sensitive and has been designated as material by the ASX.
View the full ASX announcement (PDF)
About EML Payments Limited (ASX: EML)
EML Payments Limited (ASX: EML) is an Australian fintech company that provides digital payment solutions and prepaid card services to consumers and businesses globally. The company operates across multiple business segments including consumer payments, corporate payments, and mobility solutions, with significant operations in both the northern and southern hemispheres. EML generates revenue through program implementations, merchant partnerships, and the deployment of payment technologies across various consumer and enterprise verticals.
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