Singapore-based RNA technology firm Mirxes joined the Hang Seng Composite Index last 8 September 2025. This inclusion, following the company’s May IPO, aims to enhance trading liquidity and provide access to a broader base of global investors.

• Index Metrics: Mirxes is one of 24 companies added to the index, which covers the top 95% of market capitalisation for firms listed on the Hong Kong Stock Exchange Main Board.
• Effective Date: The change follows a quarterly review by Hang Seng Indexes Company Limited and will officially take effect after the market close on 5 September 2025.
• Investor Access: Inclusion makes the company eligible for the Southbound Stock Connect, enabling mainland Chinese investors to trade shares alongside international institutional funds and index-tracking ETFs.

This summary is based on a press release issued by Mirxes.