Toymaker Becomes a Billionaire After Frenzied Hong Kong IPO (1)

The frenzy over a toymaker’s Hong Kong initial public offering has created a new billionaire.

Zhu Weisong, founder and chairman of Bloks Group Ltd., was catapulted into the ultra-rich ranks after the company’s $215 million debut Friday drew overwhelming demand from individual investors. Shares surged 41% to HK$85 on its trading debut.

Zhu Weisong, right, at a listing ceremony in Hong Kong on Jan. 10.

Source: Bloks Group Ltd.

It adds to a pipeline of IPOs in Hong Kong that are supercharging wealth. Last month, renowned Chinese makeup artist Mao Geping became a billionaire when his namesake beauty company soared 77% in its debut.

Zhu, a former gaming company executive, owns almost half of the ...