longda(SH:688231) Xin Lang Cai Jing·2026-02-24 05:43Group 1 - The core viewpoint of the news is that Longda Co., Ltd. has seen a stock price increase of 5.17%, reaching 33.55 yuan per share, with a total market capitalization of 8.282 billion yuan [1] - Longda Co., Ltd. was established on September 30, 2004, and went public on July 22, 2022. The company focuses on high-temperature alloy products, with its main business revenue composition being 72.80% from high-temperature corrosion-resistant alloys, 22.45% from alloy pipes, and 4.75% from other sources [1] Group 2 - Longda Co., Ltd.'s top circulating shareholder is Changxin Fund, which has recently entered the top ten shareholders with its fund, Changxin National Defense and Military Industry Quantitative Mixed A (002983), holding 4.1586 million shares, accounting for 3.29% of circulating shares [2] - The fund has achieved a year-to-date return of 11.09%, ranking 1159 out of 8994 in its category, and a one-year return of 62.93%, ranking 819 out of 8199 [2] Group 3 - The fund manager of Changxin National Defense and Military Industry Quantitative Mixed A is Song Haian, who has a tenure of 8 years and 15 days, with the fund's total asset size being 5.442 billion yuan [3] - During his tenure, the best fund return was 209.99%, while the worst was -26.88% [3]