常山药业涨2.20%，成交额7.47亿元，主力资金净流出1381.43万元

Core Insights - The stock price of Changshan Pharmaceutical has increased by 160.63% year-to-date, with a recent rise of 7.36% over the last five trading days [2] - The company has a market capitalization of 47.883 billion yuan and reported a trading volume of 7.47 billion yuan on October 21 [1] - Changshan Pharmaceutical's main business includes the research, production, and sales of heparin series products, with revenue composition of 47.47% from water injection preparations, 39.24% from heparin raw materials, and 13.29% from other sources [2] Financial Performance - For the first half of 2025, Changshan Pharmaceutical achieved operating revenue of 492 million yuan, a year-on-year decrease of 13.42%, while the net profit attributable to the parent company was -29.09 million yuan, an increase of 37.98% year-on-year [2] - The company has distributed a total of 181 million yuan in dividends since its A-share listing, with 4.5953 million yuan distributed over the last three years [3] Shareholder Information - As of October 10, 2023, the number of shareholders for Changshan Pharmaceutical was 45,700, a decrease of 2.04% from the previous period, with an average of 20,094 circulating shares per person, an increase of 2.08% [2] - Hong Kong Central Clearing Limited is the fourth largest circulating shareholder, holding 10.5521 million shares, an increase of 8.0391 million shares from the previous period [3]