专题研究 | 二季度基金转债持仓：集中度下降，加仓小微盘

Group 1 - In Q2 2025, funds reduced their convertible bond holdings by 10.06 billion to 262.13 billion, but the proportion of convertible bonds held by funds increased by 0.83 percentage points to 39.45% [1][4] - The primary category of funds that increased their convertible bond holdings was the first-level bond funds, which added 6.16 billion, while second-level bond funds, mixed bond funds, and flexible allocation funds reduced their holdings [7][8] - The trend of passive holdings in convertible bonds continued to rise, with the proportion increasing by 0.36 percentage points to 16.24%, reaching a new high [4][9] Group 2 - In terms of industry, funds mainly increased their holdings in basic chemicals, non-bank financials, electronics, and automotive convertible bonds, while significantly reducing their holdings in bank, machinery, and power equipment convertible bonds [2][16] - The concentration of fund holdings in individual convertible bonds decreased, with significant reductions in bank convertible bonds due to the risk of forced redemption [17][22] - The funds actively increased their positions in sectors with technological breakthroughs and policy support, such as robotics and innovative pharmaceuticals [20][22] Group 3 - The aging trend of convertible bond holdings continued, with the proportion of bonds with less than two years remaining increasing by 0.45 percentage points to 24.97% [16][18] - The first-level bond funds saw a significant increase in scale, with a 10.62% rise to 850.23 billion, while their convertible bond holdings increased by 9.26% [10][7] - The overall market for convertible bonds shrank significantly due to the accelerated exit of existing bonds, leading to a passive reduction in holdings by funds [4][9]