新华医疗：持有华检医疗4.437亿股

Group 1 - The core point of the article is that Xinhua Medical holds a significant stake in Huajian Medical, which has recently seen a rise in its operations related to stablecoins, potentially benefiting Xinhua Medical's investment returns [1] - Xinhua Medical owns 443.7 million shares of Huajian Medical, representing a 27.29% ownership stake [1] - The financial performance of Huajian Medical will impact Xinhua Medical's investment income due to the equity method of accounting used for this subsidiary [1]