Group 1 - Fund managers are actively seeking new investment opportunities through a combination of portfolio adjustments and research activities in the current market environment [1] - Notable changes in shareholder structures of several A-share listed companies indicate clear investment trends from well-known fund managers [3] - The latest data shows significant increases in holdings for certain funds, such as the Guangfa High-end Manufacturing Fund, which increased its stake substantially compared to the previous quarter [3] Group 2 - Institutional research activities are intensifying, with BoShi Fund leading with 945 research engagements, followed by HuaXia Fund with 867 [4] - Prominent fund managers are frequently participating in company research activities, focusing on key topics such as capital expenditure planning and technology iteration [4] - YiHeDa has gained the highest attention in research activities in June, with several well-known institutions participating in discussions on various topics including drug development and international cooperation [4]