Most mysterious: Wan Yingnu

A style guru and often-seen socialite on the Paris fashion scene, Wan (picture right) is believed to be the granddaughter of Wan Li, former chairman of the Standing Committee of the National People's Congress. She reportedly acquired 440,000 shares in Ultrapower Software in Beijing at a price of 1 yuan per share in 2007, and increased her shares this year to 880,000 with an initial public offering (IPO) price of 58 yuan. Wan achieved a 116-percent gain in just two years, with the total market value of her holdings jumping to more than 51 million yuan.

Youngest: Dang Weizhen

The 15-year-old has 410,000 shares in Chongqing Lummy Pharmaceutical with an IPO price of 16.5 yuan. He inherited the shares from his mother Zhang Hui, the company's former deputy general manager, who died in 2007. He has a personal net worth of 6.8 million yuan, which is expected to reach 10 million yuan after the company starts trading.

Most invisible: Qingdao Derui Investment Corp

Set up by seven people, the group own 66.5 percent of shares in Qingdao TGOOD Electric Co, with president Yu Dexiang holding more than 57 percent. The market value of the indirect holdings of Derui Investment Corp's top five executives is estimated to top 100 million yuan.

Richest: Pu Zhongjie

General manager of Lepu Medical, his personal net worth is 1.75 billion yuan. Pu holds around 60 million shares in Lepu Medical with an IPO price of 29 yuan, accounting for almost 15 percent of the company's total shares.