Abstract: A method for generating a tree diagram of a shareholding structure from a capitalization table of a company, includes: generating a plurality of interactive icons that include a root node icon associated with the company, and a plurality of stem node icons each associated with a respective one of a plurality of related-parties recorded in the capitalization table, each of the related-parties being a partial owner or a subsidiary party; arranging the root node icon at an origin of the tree diagram, and arranging the stem node icons in the tree diagram such that the stem node icons associated with partial owners are on one side of the tree diagram and the stem node icons associated with the subsidiary parties are on an opposite side of the tree diagram; and plotting a plurality of investment routes each connecting two interactive icons arranged in the tree diagram.