12月19日，罗牛山涨5.12%，截至发稿，报9.45元/股，成交11.86亿元，换手率11.60%，总市值108.82亿 元。 资料显示，罗牛山股份有限公司位于海南省海口市美兰区国兴大道5号海南大厦农信楼12楼，成立日期 1987年12月19日，上市日期1997年6月11日，公司主营业务涉及生猪养殖和屠宰加工业务、冷链业务、 房地产业务和教育服务业务。主营业务收入构成为：畜牧业64.60%，农副食品加工业13.46%，教育业 7.73%，房地产业7.16%，仓储物流业4.05%，其他2.99%。 从罗牛山十大流通股东角度 截至发稿，梁杏累计任职时间9年197天，现任基金资产总规模306.17亿元，任职期间最佳基金回报 1112.34%， 任职期间最差基金回报-57.29%。 风险提示：市场有风险，投资需谨慎。本文为AI大模型自动发布，任何在本文出现的信息（包括但不 限于个股、评论、预测、图表、指标、理论、任何形式的表述等）均只作为参考，不构成个人投资建 议。 责任编辑：小浪快报 数据显示，国泰基金旗下1只基金位居罗牛山十大流通股东。国泰中证畜牧养殖ETF（159865）三季度 增持740万股，持有股数205 ...

Group 1 - The core point of the news is that Jin Xin Nong's stock price increased by 5.01% to 5.24 CNY per share, with a trading volume of 1.27 billion CNY and a turnover rate of 3.11%, resulting in a total market capitalization of 4.34 billion CNY [1] - Jin Xin Nong, established on November 6, 1999, and listed on February 18, 2011, is primarily engaged in the research, production, and sales of pig feed products, as well as information technology services [1] - The revenue composition of Jin Xin Nong's main business includes: pig compound feed 49.43%, live pigs 32.10%, other feed 9.29%, pig concentrated feed 5.43%, pig premix feed 2.82%, others 0.58%, and feed raw materials 0.35% [1] Group 2 - Among the top ten circulating shareholders of Jin Xin Nong, a fund under Guotai Fund has increased its holdings in the Guotai Zhongzheng Livestock Breeding ETF (159865) by 4.72 million shares in the third quarter, now holding a total of 12.73 million shares, accounting for 1.58% of the circulating shares [2] - The Guotai Zhongzheng Livestock Breeding ETF (159865) was established on March 1, 2021, with a latest scale of 6.097 billion CNY, and has achieved a return of 14.23% this year, ranking 3265 out of 4216 in its category [2] - The fund manager of Guotai Zhongzheng Livestock Breeding ETF is Liang Xing, who has a cumulative tenure of 9 years and 153 days, with the fund's total asset size at 30.617 billion CNY and a best return of 1112.34% during the tenure [2]