A shareholder is a person or legal entity that owns shares in a company. In plain English, it means an owner of part of the company through shares, not necessarily someone who runs the company day to day. In register terms, some countries record shareholders as named participants in an official company-register system, while others use participant or member lists maintained in a legal-entity information system. The concept matters because it identifies who holds ownership rights in the company and helps show how ownership is divided. It does not, by itself, prove the company's profits, market value, voting control in every case, beneficial ownership, or whether the shares are fully paid unless the register record says so.
Shareholder data is a basic ownership record. It helps readers see who holds equity in the company and how that ownership is divided. That is useful for understanding company structure, but it should not be confused with profitability, valuation, or the full legal picture of control and rights.
Latvia, Lithuania, Estonia, Finland, and Sweden may use different local labels, filing systems, and access rules for ownership records. The comparison here only states what the supplied national materials clearly prove; if you need a country-specific answer for Finland or Sweden, check the relevant official authority.