Top trades by Australian Sharesight users — May 2026

Welcome to the May 2026 edition of Sharesight’s monthly trading snapshot for Australian investors, where we look at the top 20 trades made by Australian Sharesight users. Below we will look at the top trades overall, plus the top trades in individual stocks, which allows us to observe the broader investment trends by Australian Sharesight users, while also giving us an opportunity to zoom into the most popular stocks and the market-moving news behind them.

Top trades in May 2026

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May’s top trades were led by Vanguard’s Australian Shares (ASX: VAS) and International Shares (ASX: VGS) ETFs, followed by Smartshares’ S&P 500 ETF (ASX: IVV). This is on par with the top trades for the previous month. NVIDIA (NASDAQ: NVDA) has also remained in 4th place for the second consecutive month. Overall, the top trades show that there was still very strong buy sentiment for ETFs in May, whereas the sentiment towards individual stocks such as BHP (ASX: BHP), Woodside Energy (ASX: WDS) and Micron Technology (NASDAQ: MU) was more mixed to negative.

Most-traded stocks in May 2026

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In May, the top-traded stocks were CSL and NVDA, which is also on par with the previous month. The biggest climber was MU, which rose from #20 to #8 — the most dramatic move on any Australian chart this month. Overall, sell pressure was elevated across the board, with BHP, WDS, Fortescue Metals (ASX: FMG) and Tesla (NASDAQ: TSLA) all showing significant selling activity, suggesting Australian investors are becoming increasingly selective even among popular names.

Let’s look at some of the market-moving news behind some of this month’s top stocks:

CSL (ASX: CSL)

• Downgrade announcement sends CSL shares into freefall
• CSL share price hits lowest level in 10 years

NVIDIA (NASDAQ: NVDA)

• NVIDIA reports higher costs for AI than humans
• Plans to spend US$150 billion in Taiwan, the ‘epicentre’ of AI revolution
• Posts record profit of US$58.3 billion amid growing demand for advanced AI chips

WiseTech Global (ASX: WTC)

• WiseTech begins wave of redundancies, starting in South Korea and Mexico
• CEO receives violent threat over redundancies

BHP (ASX: BHP)

• BHP share price hits 52-week high
• BHP violates its decarbonisation strategy by spending hundreds of millions on polluting diesel trucks

Microsoft (NASDAQ: MSFT)

• Gates’ foundation sells off all its remaining Microsoft shares
• Share price rises on talks that Anthropic will rent servers powered by Microsoft-designed AI chips

Commonwealth Bank (ASX: CBA)

• CBA appoints its first Chief AI Scientist
• CBA tests AI ‘companion’, warns of job losses

Micron Technology (NASDAQ: MU)

• Micron share price skyrockets almost 38% amid surging demand for memory chips and CPUs
• Micron market cap reaches US$1 trillion

Xero (ASX: XRO)

• Anthropic launches Claude for Small Business, putting pressure on Xero
• Share price plunges despite revenue growth

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FURTHER READING

• Subscribe to Sharesight20 trading snapshots
• How Sharesight calculates your investment performance
• Top trades by Australian Sharesight users — April 2026