The share capital of Tallinna Vesi is made up of 20,000,000 shares with the nominal value of €0.6 per share.

Tallinna Vesi is a listed company with its shares listed on the Tallinna Stock Exchange’s main list since 1 June 2005. 24.58% of the company’s shares are freely transferable on the Nasdaq Baltic market.

As of 31/12/2021, Tallinna Vesi’s shareholders with a direct holding over 5% were the City of Tallinn (55.06%) and OÜ Utilitas (20.36%).