Companhia de Saneamento Básico do Estado de São Paulo - SABESP (SBS) Ownership
SBS ownership summary
as of October 18, 2026- Institutions
- 12.3% of shares outstanding
- Insiders
- 0.00% of shares outstanding
- Shares outstanding
- 3.52B
- Float
- 2.35B shares available to trade
- Short interest
- 0.56% 13.1M shares short
- Days to cover
- 1.61 short interest down 24.4% vs prior month
- Institutions 12.32%
- Other investors 87.68%
SBS top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Impax Asset Management Group PLC | 1.49% | 52.3M | $327.6M | +18.6M (+55.2%) | June 30, 2026 |
| 2 | BlackRock Inc | 0.85% | 29.9M | $187.5M | −518,539 (−1.7%) | June 30, 2026 |
| 3 | Amundi | 0.74% | 26.1M | $163.4M | −146,338 (−0.6%) | June 30, 2026 |
| 4 | Royal London Asset Management Ltd | 0.58% | 20.6M | $128.7M | +7.3M (+54.7%) | June 30, 2026 |
| 5 | Deutsche Bank AG | 0.55% | 19.2M | $120.1M | +675,793 (+3.6%) | June 30, 2026 |
| 6 | WCM Investment Management | 0.45% | 15.9M | $99.6M | +4.9M (+44.8%) | June 30, 2026 |
| 7 | Wellington Management Company LLP | 0.35% | 12.3M | $76.9M | +2.0M (+19.3%) | June 30, 2026 |
| 8 | Letko, Brosseau & Associates Inc. | 0.34% | 12.1M | $75.8M | +371,528 (+3.2%) | June 30, 2026 |
| 9 | UBS Group AG | 0.34% | 12.0M | $75.4M | +4.9M (+68.0%) | June 30, 2026 |
| 10 | Mackenzie Investments | 0.31% | 11.0M | $69.1M | +196,910 (+1.8%) | June 30, 2026 |
| 11 | Morgan Stanley - Brokerage Accounts | 0.28% | 9.9M | $61.7M | +459,176 (+4.9%) | June 30, 2026 |
| 12 | Vanguard Capital Management, LLC | 0.27% | 9.4M | $58.8M | — | June 30, 2026 |
| 13 | American Century Companies Inc | 0.24% | 8.5M | $53.3M | −110,969 (−1.3%) | June 30, 2026 |
| 14 | UBS Asset Mgmt Americas Inc | 0.22% | 7.9M | $49.2M | −51,810 (−0.7%) | June 30, 2026 |
| 15 | Renaissance Technologies Corp | 0.21% | 7.5M | $47.2M | −1.1M (−12.8%) | June 30, 2026 |
| 16 | Northern Trust Corp | 0.21% | 7.4M | $46.3M | −638,049 (−7.9%) | June 30, 2026 |
| 17 | Duff & Phelps Inv Mgmt Co (IL) | 0.18% | 6.4M | $40.1M | −834,988 (−11.5%) | June 30, 2026 |
| 18 | Perpetual Ltd | 0.18% | 6.3M | $39.6M | +2,082 (+0.0%) | June 30, 2026 |
| 19 | Genworth Financial Wealth Mgmt Inc | 0.17% | 6.1M | $38.0M | +613,615 (+11.2%) | June 30, 2026 |
| 20 | STRS OHIO | 0.16% | 5.7M | $35.8M | −439,957 (−7.2%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 11 holders added 40.0M shares and 8 cut 3.8M.
SBS top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Royal London Sustainable World A Inc | 0.43% | 15.0M | $93.6M | +3.7M (+33.2%) | June 30, 2026 |
| 2 | BNP Paribas Aqua C C | 0.38% | 13.3M | $83.4M | +1.2M (+10.2%) | August 31, 2026 |
| 3 | BNP Paribas Aqua I | 0.38% | 13.2M | $82.7M | +1.2M (+9.9%) | August 31, 2026 |
| 4 | KBI Water A GBP | 0.23% | 8.1M | $50.9M | −70,100 (−0.9%) | September 30, 2026 |
| 5 | iShares Global Infrastructure ETF Comm | 0.22% | 7.8M | $48.6M | — | September 30, 2026 |
| 6 | Mackenzie Grnchp Glbl Envr All Cap F5 | 0.21% | 7.3M | $45.4M | — | July 31, 2026 |
| 7 | iShares Global Infrastructure ETF | 0.20% | 7.0M | $44.0M | −120,827 (−1.7%) | September 30, 2026 |
| 8 | First Trust WCM International Equity ETF | 0.19% | 6.7M | $42.1M | +27,801 (+0.4%) | September 30, 2026 |
| 9 | Amundi KBI Aqua C | 0.18% | 6.3M | $39.5M | +428,800 (+7.3%) | August 31, 2026 |
| 10 | ÖkoWorld ÖkoVision Classic C | 0.18% | 6.3M | $39.3M | — | June 30, 2026 |
| 11 | BNP Paribas Climate Change Privl C | 0.18% | 6.2M | $38.5M | −71,189 (−1.1%) | August 31, 2026 |
| 12 | Virtus Duff & Phelps Water A | 0.17% | 5.9M | $36.7M | — | September 30, 2026 |
| 13 | Vanguard Emerging Mkts Stock Idx Inv | 0.16% | 5.8M | $36.2M | — | August 31, 2026 |
| 14 | Impax Global Environmental Markets Instl | 0.16% | 5.5M | $34.5M | — | August 31, 2026 |
| 15 | Avantis Emerging Markets Equity ETF | 0.15% | 5.4M | $33.7M | — | September 30, 2026 |
| 16 | BNP Paribas Global Envir N C | 0.15% | 5.1M | $32.2M | −8,504 (−0.2%) | August 31, 2026 |
| 17 | First Trust Water ETF | 0.13% | 4.6M | $29.1M | — | September 30, 2026 |
| 18 | DWS Invest Global Infras FC | 0.13% | 4.6M | $28.8M | — | August 31, 2026 |
| 19 | Allianz Global Water W EUR | 0.13% | 4.6M | $28.7M | +502,454 (+12.3%) | September 30, 2026 |
| 20 | Royal London Sustainable Div A Inc | 0.13% | 4.5M | $28.5M | — | June 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
SBS shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns SBS
Institutional investors own 12.3% of Companhia de Saneamento Básico do Estado de São Paulo - SABESP's shares and insiders 0.00%. The largest holder is Impax Asset Management Group PLC with 1.49% of the shares (52.3M), as of June 30, 2026. Among the top 20 institutions, 11 added shares and 8 reduced their stake in the latest filings. Short interest is 0.56% of the float, or 1.61 days of average trading volume.
Related: SBS analyst forecast, SBS key metrics, SBS dividend history. See the SBS stock overview for the latest quote and news.
SBS ownership FAQ
Who owns the most Companhia de Saneamento Básico do Estado de São Paulo - SABESP stock?
The largest shareholders of Companhia de Saneamento Básico do Estado de São Paulo - SABESP are Impax Asset Management Group PLC (1.49%), BlackRock Inc (0.85%), Amundi (0.74%), Royal London Asset Management Ltd (0.58%), Deutsche Bank AG (0.55%).
What percentage of Companhia de Saneamento Básico do Estado de São Paulo - SABESP is owned by institutions?
Institutions hold 12.3% of Companhia de Saneamento Básico do Estado de São Paulo - SABESP's shares outstanding; insiders hold 0.00%.
Which funds own Companhia de Saneamento Básico do Estado de São Paulo - SABESP?
The largest fund holders of Companhia de Saneamento Básico do Estado de São Paulo - SABESP are Royal London Sustainable World A Inc (0.43%), BNP Paribas Aqua C C (0.38%), BNP Paribas Aqua I (0.38%), KBI Water A GBP (0.23%), iShares Global Infrastructure ETF Comm (0.22%).
What is Companhia de Saneamento Básico do Estado de São Paulo - SABESP's short interest?
13.1M shares of Companhia de Saneamento Básico do Estado de São Paulo - SABESP were sold short, 0.56% of the float; at the average daily volume it would take 1.61 days to cover.
How many shares of Companhia de Saneamento Básico do Estado de São Paulo - SABESP are outstanding?
Companhia de Saneamento Básico do Estado de São Paulo - SABESP has 3.52B shares outstanding, of which 2.35B are in the public float.