金融工程定期：商业航天板块的资金行为监测

• The commercial aerospace index (8841877.WI) has increased by 46.52% since April 7, 2025, significantly outperforming the Wind All A Index during the same period, and has risen by 9.35% in December 2025 alone, attracting significant market attention [3][13][14] - Public fund holdings in the commercial aerospace sector have shown an upward trend throughout 2025, based on real-time calculations using public market data such as fund net value, disclosed holdings, and research activities [4][16][18] - ETF fund holdings in the commercial aerospace sector have recently declined, with the total scale of public ETF funds exceeding 5.6 trillion yuan by the end of Q3 2025, reflecting the growing importance of index investment products in the market [4][17][24] - Margin financing balances in the commercial aerospace sector have risen rapidly recently, indicating increased investor optimism about the market outlook [4][20][22] - Institutional research activities in 2025 have been most frequent for companies such as Sichuan Electronics, Chaojie Shares, and Sray New Materials [5][23][26] - Snowball platform influencers have shown the highest interest in companies like Aerospace Development, Aerospace Power, and Shanghai Hanxun since November 20, 2025 [5][27][28] - Main funds have flowed most significantly into companies such as Feilihua, Aerospace Power, and Longxi Shares since November 20, 2025, with large and ultra-large orders used as proxy variables for main fund activity [5][29][30][32] - Companies such as Yaguang Technology, Aerospace Technology, and Aerospace Development have appeared on the Dragon Tiger List since December 1, 2025, reflecting the most active trading dynamics in the market [5][33][34] - High-frequency shareholder data indicates significant increases in shareholder numbers for companies like Feilihua, Zhimingda, and Aerospace Technology, suggesting potential risks for subsequent stock price movements [5][35][36][38]