Core Viewpoint - The "fixed income +" fund sector experienced significant growth in 2025, with a year-on-year increase of over 50%, primarily driven by the expansion of secondary bond funds, which are favored by institutional investors [2][9]. Fund Performance - In 2025, the Shanghai and Shenzhen 300 Index rose by 17.66%, and the convertible bond index increased by 18.66%, leading to strong performance in "fixed income +" funds, particularly those with higher equity allocations [4][16]. - The median return for convertible bond funds in 2025 was 22.4%, while secondary bond funds achieved a median return of 4.6% [4][16]. Fund Size Changes - By the end of 2025, the total size of "fixed income +" funds reached 3.0 trillion yuan, marking a 56% increase compared to the previous year, with secondary bond funds being the main contributors to this growth [5][22]. - The number of "fixed income +" funds reached 2,292, with secondary bond funds expanding to 1.55 trillion yuan, reflecting a 19% quarter-on-quarter growth [5][22]. New Product Issuance - In Q4 2025, the issuance of "fixed income +" products saw a significant rebound, with 119 new products launched, raising a total of 957 billion yuan, a 223% increase from the previous quarter [6][33]. - Secondary bond funds accounted for nearly 50% of the new issuance, indicating strong market demand [6][33]. Subscription and Redemption Trends - The overall net subscription for "fixed income +" products in Q4 2025 was 990 billion units, with secondary bond funds contributing 1,028 billion units to this total [36][38]. - Leading fund companies in net subscriptions included Invesco Great Wall and Jianxin Fund, both exceeding 100 billion units in net subscriptions [36][38]. Asset Allocation Trends - In Q4 2025, most "fixed income +" fund categories reduced their equity allocations, with secondary bond funds decreasing by 1.3 percentage points [7][45]. - The communication sector saw increased investments across various fund categories, while the healthcare sector experienced a reduction in allocations [7][45].