Vland Biotech(SH:603739) Xin Lang Cai Jing·2026-01-06 03:58Group 1 - The core point of the news is that Qingdao Weilan Biological Co., Ltd. experienced a stock price increase of 5.02%, reaching 15.06 CNY per share, with a total market capitalization of 3.811 billion CNY [1] - The company, established on February 23, 2005, specializes in the research, production, and sales of enzyme preparations, microecology, and animal health products [1] - The revenue composition of the company includes enzyme preparations at 36.63%, animal health products at 22.60%, other businesses at 21.75%, microecology at 17.27%, and others at 1.76% [1] Group 2 - From the perspective of the top ten circulating shareholders, Guotai Fund holds a position in Weilan Biological, with its Guotai Zhongzheng Livestock Breeding ETF (159865) increasing its holdings by 673,200 shares, totaling 2.1108 million shares, which represents 0.83% of the circulating shares [2] - The Guotai Zhongzheng Livestock Breeding ETF (159865) was established on March 1, 2021, with a current scale of 6.097 billion CNY, and has recorded a year-to-date return of 0.4% [2] - The fund manager, Liang Xing, has a tenure of 9 years and 215 days, with the fund's total asset size at 30.617 billion CNY, achieving a best return of 1112.34% during the tenure [3]