CSBIO(SZ:300255) Xin Lang Cai Jing·2025-10-15 03:57Core Viewpoint - Changshan Pharmaceutical experienced a 5.07% increase in stock price, reaching 50.99 CNY per share, with a trading volume of 976 million CNY and a market capitalization of 46.863 billion CNY as of October 15 [1] Company Overview - Hebei Changshan Biochemical Pharmaceutical Co., Ltd. is located in the Hebei Free Trade Zone and was established on September 28, 2000, with its listing date on August 19, 2011 [1] - The company's main business involves the research, production, and sales of heparin series products, with revenue composition as follows: 47.47% from water injection preparations, 39.24% from heparin raw materials, and 13.29% from other products [1] Fund Holdings - According to data, one fund under Bosera Asset Management holds a significant position in Changshan Pharmaceutical. The Bosera National Index 2000 ETF (159505) held 1,400 shares in the second quarter, accounting for 0.55% of the fund's net value, ranking as the fifth-largest holding [2] - The Bosera National Index 2000 ETF (159505) was established on November 23, 2023, with a latest scale of 11.7815 million CNY. Year-to-date returns are 37.61%, ranking 997 out of 4,220 in its category, while the one-year return is 49.48%, ranking 579 out of 3,857 [2] Fund Manager Information - The fund manager of Bosera National Index 2000 ETF (159505) is Tang Yibing, who has been in the position for 3 years and 87 days. The total asset size of the fund is 9.874 billion CNY, with the best return during his tenure being 72.49% and the worst being -41.93% [3]