GRINM Semiconductor Materials Co. Ltd. A

Grinm Semiconductor released its 2026 interim report on August 14, 2026. Total operating revenue was 665 million yuan, net profit attributable to the parent company was 133 million yuan, and net cash inflow from operating activities was 208 million yuan. The company's latest asset-liability ratio was 10.48 percent, up 2.15 percentage points from the same period last year; the latest gross margin was 33.59 percent, down 3.16 percentage points from the same period last year; and the latest return on equity was 2.91 percent. Diluted earnings per share were 0.11 yuan, the latest total asset turnover was 0.12 times, and the latest inventory turnover was 1.66 times. The company had 49,200 shareholders, and the top ten shareholders held 985 million shares, accounting for 78.75 percent of total share capital.

The Penghua STAR 100 ETF rose 3.18% in morning trading to 1.65 yuan, tracking the SSE STAR 100 Index which jumped 3.13%. In news, China Shipbuilding Industry Group Special Gas noted that tungsten hexafluoride, a key consumable for memory chips, is expected to see rapid demand growth driven by AI. GlobalWafers said its semiconductor silicon wafer production lines are almost fully loaded and it is negotiating new long-term agreements with multiple customers. China Securities analysts noted that benefiting from AI computing demand, major players like TSMC, Micron, and Samsung have expansion plans extending beyond 2030, with cleanroom capacity becoming a bottleneck, and domestic equipment is filling the global gap with delivery efficiency and cost advantages. Among constituents, China Shipbuilding Industry Group Special Gas rose 11.24%, Grinm Advanced Materials rose 10.95%, and Puya Semiconductor rose 9.14%.

The Penghua STAR Composite Index ETF rose more than 2%, with the semiconductor materials sector moving higher and silicon wafers leading the gains. Multiple industry experts noted that the explosion of AI computing power and the iteration of advanced packaging technologies are driving a surge in demand for semiconductor materials, and domestic substitution has shifted from an option to a necessity. Key segments such as large-size silicon wafers, electronic specialty gases, and CMP polishing fluids are reaching a critical turning point from verification and introduction to mass supply. GF Securities believes that the Tao Law v2 proposed by Huawei is reshaping the performance improvement path in the post-Moore era. Through technologies such as Logic Folding and 3D Folding, it achieves dual improvements in energy efficiency and density without relying on EUV lithography. This paradigm shift will significantly elevate the strategic value of advanced packaging, hybrid bonding, TSV, and system-level interconnect segments. As of 10:32 a.m. on July 9, 2026, the Shanghai Stock Exchange STAR Composite Index rose strongly by 2.34%, with constituent stocks Shanghai Hejing up 19.99%, Youyan Silicon up 17.56%, and Muxi shares up 13.09%. The Penghua STAR Composite Index ETF rose 2.45% to a latest price of 1.84 yuan. The ETF closely tracks the Shanghai Stock Exchange STAR Composite Index, which is composed of eligible securities of STAR Market listed companies on the Shanghai Stock Exchange and includes sample dividends in the index return.