NATA OPTO-ELECT(SZ:300346) Xin Lang Cai Jing·2026-01-22 05:42Group 1 - Nanda Optoelectronics experienced a decline of 5.13% on January 22, with a stock price of 58.03 yuan per share, a trading volume of 3.139 billion yuan, a turnover rate of 8.06%, and a total market capitalization of 40.108 billion yuan [1] - The company, established on December 28, 2000, and listed on August 7, 2012, specializes in the production, research, and sales of advanced electronic materials, with applications in integrated circuits, flat panel displays, LEDs, third-generation semiconductors, photovoltaics, and semiconductor lasers [1] - The revenue composition of Nanda Optoelectronics includes specialty gas products at 60.95%, precursor materials (including MO sources) at 27.80%, other products at 7.02%, and additional items at 4.23% [1] Group 2 - Nanda Optoelectronics is among the top holdings of the Southern Fund's Southern CSI 500 ETF (510500), which reduced its holdings by 207,200 shares in the third quarter, now holding 10.0607 million shares, representing 1.53% of the circulating shares [2] - The Southern CSI 500 ETF has a current scale of 144.69 billion yuan, with a year-to-date return of 11.78%, ranking 741 out of 5542 in its category, and a one-year return of 50.66%, ranking 1211 out of 4256 [2] Group 3 - The Southern Semiconductor Industry Index Initiated A Fund (020839) holds 282,300 shares of Nanda Optoelectronics, unchanged from the previous period, accounting for 3.45% of the fund's net value [4] - This fund has a current scale of 1.95 billion yuan, with a year-to-date return of 20.26%, ranking 61 out of 5542 in its category, and a one-year return of 90.49%, ranking 144 out of 4256 [4]