Core Insights - Xidi Micro (688173.SH) reported its Q3 2025 results, revealing that 13 institutional investors hold a total of 71.41 million shares, representing 17.38% of the company's total equity [1] - The top ten institutional investors collectively hold 17.36% of the shares, which is a decrease of 2.45 percentage points compared to the previous quarter [1] Institutional Holdings - The number of institutional investors holding Xidi Micro shares has remained stable, with a total of 13 investors disclosing their holdings [1] - The top ten institutional investors include notable entities such as Chongqing Weichun Enterprise Management Consulting Co., Ltd. and Hong Kong Central Clearing Limited [1] Public Fund Activity - Two public funds increased their holdings in this period, including E Fund CSI 1000 Quantitative Enhanced A and Penghua Smart Investment Digital Economy Mixed A, with a slight increase in the proportion of shares held [2] - Six new public funds disclosed their holdings, including notable funds like China Merchants CSI 1000 Enhanced Strategy ETF and Wan Ke Growth Enterprise Board Index Enhanced A [2] - A total of 84 public funds did not disclose their holdings in this period, indicating a significant turnover in public fund participation [2] Foreign Investment - One new foreign institutional investor disclosed its holdings in this period, specifically Hong Kong Central Clearing Limited [2]

Group 1 - The report suggests increasing allocation to mid-cap growth stocks, focusing on TMT (Technology, Media, and Telecommunications) and financial sectors, including semiconductors, automotive, photovoltaic equipment, banks, coal, non-bank financials, electronics, computers, and textiles [3][47] - The industry rotation model for August highlights a preference for sectors with strong fundamental factors, particularly semiconductors and electronics, as well as the financial sector, due to their high consistency in funding and expectations [3][47] - The report indicates that the overall market momentum effect is weakening, and the performance of sectors related to the anti-involution theme, such as photovoltaic equipment and coal, has shown a decline in relative scores despite their absolute scores remaining high [3][47] Group 2 - The report notes that the industry ETF saw a significant net inflow of 46.438 billion yuan, while broad-based ETFs experienced a net outflow of 93 billion yuan, indicating a shift in investor preference towards sector-specific investments [6][27] - The performance of passive index funds has been generally positive, with several sectors, including steel, construction materials, and medical devices, showing gains exceeding 10% due to various catalysts [22][27] - The report emphasizes that the mid-cap growth strategy remains favored, with the CSI 500 index being a core focus for 2025, reflecting a return to mid-cap dominance after alternating strategies in previous years [5][65] Group 3 - The report highlights that the industry rotation model has consistently outperformed major benchmark indices, achieving a monthly win rate of 85.71% since 2025, indicating its robustness in various market conditions [5][64] - The model's design incorporates a bottom-up approach to factor selection, focusing on stable factors with low drawdown risks, which enhances its effectiveness in capturing market dynamics [63][64] - The report also mentions that the recent inflow of overseas ETF funds into A-shares reflects a warming attitude from foreign investors, particularly in sectors like electronics and banking, aligning with the model's findings [41][64]