Today Tomas is chairman of the family's listed holding company, Alsons, named reportedly for Alcantra and sons, with interests in power, property and distribution.

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According to a September company disclosure to the Hong Kong Stock Exchange, Wu owns 43.2% of Longfor through the Wu Family Trust, which she set up in June 2008, one year before the company listed in Hong Kong.

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Although the company is publicly listed, the family still controls 55% of the stock.

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