The institutional ownership and shareholder structure of Global Water Resources, Inc. (GWRS) is led by significant corporate entities and specialized asset management funds. Levine Investments Limited Partnership stands as the single largest shareholder, holding a commanding block representing over 42 percent of the company's total common stock. Additional major institutional stakeholders include TSP Capital Management Group, Heartland Advisors, Vanguard Capital Management, BlackRock, and North Star Investment Management, alongside various mutual funds and retail investors who hold the remaining public float.