Companhia de Saneamento Básico do Estado de São Paulo - Sabesp (SBS) Major Shareholders
Companhia de Saneamento Básico do Estado de São Paulo - Sabesp shareholders at a glance
The largest holder of Companhia de Saneamento Básico do Estado de São Paulo - Sabesp stock is State of São Paulo, with 634.4 million shares (18.00% of the company) as of September 25, 2026. The 10 largest holders together own 40.6%.
In Q2 2026, 305 institutional holdings reports listed 379.0 million shares worth $2.26 billion.
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026).
Companhia de Saneamento Básico do Estado de São Paulo - Sabesp
Shareholders Summary
2026Q2
Ownership by Type
Geographic Distribution
Largest Companhia de Saneamento Básico do Estado de São Paulo - Sabesp shareholders
| Holder | Shares | % of company | Value |
|---|---|---|---|
| State of São Paulo | 634.4 million | 18.00% | – |
| Equatorial Energia S.A. | 528.7 million | 15.00% | – |
| Wellington Management Co. LLP | 177.2 million | 5.03% | – |
| Companhia De Saneamento BáSico Do Estado De SãO Paulo - Sabesp | 17.7 million | 0.50% | – |
| LarrainVial Asset Management AGF SA | 15.7 million | 0.45% | – |
| BB Gestão de Recursos DTVM SA | 15.5 million | 0.44% | – |
| Nordea Investment Management AB | 11.4 million | 0.32% | – |
| Caixabank Asset Management SGIIC SAU | 10.2 million | 0.29% | – |
| Itaú Unibanco Asset Management Ltda. | 10.2 million | 0.29% | – |
| BRAM - Bradesco Asset Management SA DTVM | 9.1 million | 0.26% | – |
As of September 25, 2026.
Companhia de Saneamento Básico do Estado de São Paulo - Sabesp institutional holdings by quarter
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 305 | 379.0 million | $2.3B |
| Q1 2026 | 253 | 71.7 million | $2.2B |
| Q4 2025 | 234 | 68.5 million | $1.6B |
| Q3 2025 | 223 | 65.2 million | $1.6B |
| Q2 2025 | 207 | 68.1 million | $1.5B |
| Q1 2025 | 205 | 68.7 million | $1.2B |
| Q4 2024 | 195 | 77.2 million | $1.1B |
| Q3 2024 | 194 | 68.4 million | $1.1B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
Questions and answers
Who owns the most Companhia de Saneamento Básico do Estado de São Paulo - Sabesp stock?
State of São Paulo, with 18.00% of the company (as of September 25, 2026). Next: Equatorial Energia S.A. (15.00%) and Wellington Management Co. LLP (5.03%).
How many institutions own Companhia de Saneamento Básico do Estado de São Paulo - Sabesp stock?
305 institutional holdings reports listed Companhia de Saneamento Básico do Estado de São Paulo - Sabesp shares in Q2 2026, 379.0 million shares in all worth $2.26 billion.
