The story
Founded by Stanley Ho in 1962, in Macau.1
The company was founded in 1962 by Stanley Ho and his then partners Teddy Yip (Stanley Ho's brother-in-law through his sister, Susie Ho), Yip Hon and Henry Fok. In that year, it was granted a monopoly on gambling in Macau, which had previously been held by Tai Hing Company since 1934.
In 1982, Ho and Yip had a major public falling out, as a result of which Yip disposed of his 10% share in STDM for a rumored HK$400 million. Cheng Yu-tung, founder of New World Development, stepped in to fill the breach.
Fok's attempt to sell his stake in 1986, for a reported HK$600 million, was resisted by Ho. Complaining about the company's strategy and dividend policy, Fok gifted the stake to the Henry Fok Ying Tung Foundation in 2002.
Since 2002, STDM was the subject of numerous lawsuits initiated either by Ho or by his sister, Winnie. Only after the final challenge was resolved in 2008 was it able to list its casinos subsidiary Sociedade de Jogos de Macau (SJM) on the Hong Kong Stock Exchange.
In 2011, STDM shareholders are:
Lanceford Company Limited: 31.6% (itself held 100% by Stanley Ho until the controversy of January 2011)
Shun Tak Holdings: 11.5%
Winnie Ho Yuen-ki: 7%
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Henry Fok Ying Tung Foundation: 27%
Cheng Yu-tung 10%
Others 12.9%
From Wikipedia’s article on Sociedade de Turismo e Diversões de Macau, shared under CC BY-SA 4.0.3