Changjiang Securities·2025-11-05 10:13Investment Rating - The investment rating for the software and services industry is "Positive" and maintained [10]. Core Insights - The total market value of heavy holdings in the computer sector for Q3 2025 is approximately 37.36 billion, an increase of about 5.52 billion from the previous quarter. The computer sector's holding ratio is 2.3%, a decrease of 0.2 percentage points from the previous quarter [2][5]. - There is a significant concentration of funds in the IT infrastructure sector, driven by the narrative surrounding AI, with notable improvements in performance observed in certain segments. The report suggests focusing on leading companies in the domestic computing power chain and major internet companies [2][8]. Summary by Sections Heavy Holdings and Allocation - The heavy allocation ratio for the computer sector continues to decline, with Q3 2025 showing a heavy holding market value of approximately 37.36 billion, up from 31.84 billion in Q2 2025. The heavy allocation ratio has decreased to 2.3%, ranking low compared to other sectors [5][18]. - The concentration of holdings has significantly increased, reaching a new high since 2021, with the CR10 and CR5 ratios rising to 79.9% and 59.3%, respectively [7][38]. Sector Performance - The IT infrastructure sector has seen a substantial increase in market value, primarily influenced by AI narratives, with a notable increase of 1.1% in its holding ratio. The top three companies in this sector have seen significant increases in their market values: Haiguang Information (+5.39 billion), Zhongke Shuguang (+3.53 billion), and Inspur Information (+2.69 billion) [6][32]. - The overall performance of the computer sector has been mixed, with IT infrastructure leading while other segments have shown average performance [33]. Investment Recommendations - The report emphasizes the importance of focusing on the domestic AI chain, with the internet sector being a central player and domestic computing power as a flexible direction. The current valuation of the computer sector is at a high level, with a PE-TTM of 69.5, placing it in the 94th percentile since 2016 [8][46]. - The report suggests monitoring leading companies in the domestic computing power chain and major internet companies for potential investment opportunities [8][26].