Insilico Medicine and OneRobotics Lead Six Hong Kong IPOs

Li Chen
30 Dec, 2025
Hong Kong

Stocks in China and Hong Kong lacked direction in thin trading as investors stayed away for the New Year holiday.

The Hang Seng Index increased 0.5%, and the mainland-focused CSI 300 index was nearly unchanged as investors held out for more policy support in the new year.

In the year 2025, the Hang Seng Index has jumped 30%, and the mainland-focused CSI 300 index advanced 21.4% amid recovering market sentiment, the AI boom, and stable earnings growth.  

 

China Indexes and Stocks

 The Hang Seng Index gained 0.45% to 25,751.64, and the mainland-focused CSI 300 index inched down 0.01% to 4,638.90. 

Six new companies began trading in Hong Kong, and the city's exchange retained the most favored place for stock listing. 

Tuesday, December 30, was the busiest listing day in 2025, and December was the busiest month since 2021.

Insilco Medicine soared more than 42% to HK $32.50, and the biotech company priced its initial public offering at HK $24.50 per share. 

The drug discovery and development company raised HK $2.3 billion in gross proceeds through the sale of 94.7 million shares. 

OneRobotics (Shenzhen) Co., Ltd. was unchanged at HK $73.80, and the smart home robotics system provider in Japan priced its initial public offering at HK $73.80. 

The robotics company raised HK $1.6 billion in gross proceeds through the sale of 22.22 million shares. 

Beijing 51WORLD Digital Twin Technology jumped 18.6% to HK $36.16, and the company priced its initial public offering at HK $30.50 per share. 

The 3D, simulation, and AI technology development company raised $731.7 million in net proceeds through the sale of 23.97 million shares. 

Shanghai Forest Cabin Cosmetics Group advanced 14.4 percent to HK$88.95, and the beauty-focused company priced its initial public offering at HK $77.77.

The premium skincare brand company raised HK $1.1 billion in gross proceeds through the sale of 13.966 million shares. 

Shenzhen Xunce Technology was nearly unchanged at HK$47.98, and the real-time data infrastructure and analytics company priced its initial public offering at HK $48 per share. 

The system integration service provider raised HK $1.08 billion in gross proceeds through the sale of 22.5 million shares. 

USAS Building System (Shanghai) jumped 30% to HK$9.38, and the company priced its initial public offering at HK$7.10.

The prefabricated steel structure building subcontracting service provider raised HK $174.66 million through the sale of 24.6 million shares.