Yangtze Optical Electronic (SH:688143) Xin Lang Cai Jing·2026-02-27 01:42Core Viewpoint - Changying Tong's stock price dropped by 5.84% to 57.44 CNY per share, with a total market capitalization of 7.397 billion CNY as of the report date [1] Group 1: Company Overview - Changying Tong Optical Technology Co., Ltd. is located in Wuhan, Hubei Province, and was established on May 18, 2010, with its listing date on December 12, 2022 [1] - The company specializes in the research, production, sales, and service of optical fiber gyroscope core components, particularly optical fiber rings, and is recognized as a national-level specialized and innovative "little giant" enterprise [1] - The main business revenue composition includes: optical fiber ring devices (57.61%), special optical fibers (19.36%), other (supplementary) (11.68%), new materials (7.18%), and optical device equipment and others (4.17%) [1] Group 2: Shareholder Information - Among the top ten circulating shareholders, a fund under China Europe Fund holds 3.17% of the circulating shares, amounting to 3.0001 million shares [2] - The fund, China Europe High-end Equipment Stock Initiation A (016847), was newly added to the top ten circulating shareholders in the third quarter and has a current scale of 279 million CNY [2] - The fund has achieved a year-to-date return of 15.06% and a one-year return of 40.68%, ranking 571 out of 5574 and 1267 out of 4326 respectively [2] Group 3: Fund Holdings - The same fund, China Europe High-end Equipment Stock Initiation A (016847), reduced its holdings by 1.14 million shares in the fourth quarter, now holding 1.8601 million shares, which constitutes 4.93% of the fund's net value [3] - The estimated floating loss for the fund today is approximately 662.18 thousand CNY [3]