Inversiones Aguas Metropolitanas S.A. (IAM.SN) Stock Analysis & Winston Score
Inversiones Aguas Metropolitanas S.A. is a Chilean holding company that controls Aguas Metropolitanas, the main provider of drinking water and wastewater services in the Santiago metropolitan region of Chile. It serves millions of residential, commercial, and industrial customers across one of Latin America's largest urban areas. The company operates in the regulated water utility industry, holding a long-term government-granted concession to supply and treat water in its service territory. The company earns revenue by charging customers tariffs for water supply and sewage treatment, with rates set and periodically reviewed by Chilean regulators. Its operations are almost entirely concentrated in the Santiago region, making it a geographically focused but essential monopoly with very high barriers to entry. The gross margin above 70% reflects the capital-intensive but stable nature of regulated utility economics. The main risk the business faces is regulatory — tariff reviews by Chilean authorities directly control how much revenue the company can earn, limiting growth potential even as infrastructure investment needs remain high.
Winston Score: 62/100 — Good
A decent business — some strong pillars, some weaker.
- Quality: Good (19/30)
- Growth: Mixed (9/20)
- Cash Flow: Exceptional (9/10)
- Stability: Good (5/10)
- Valuation: Strong (7/10)
- Ownership: Good (10/15)
Key Facts
Price: 920.00 CLP
Market Cap: 920.0B CLP
Sector: Utilities
Industry: Regulated Water
Exchange: Santiago Stock Exchange

