SBS · Insider trading · 13F holders · Congress trades
Companhia de Saneamento Basico (SBS)
Who is buying and selling SBS: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 14
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
SBS at a glance
- No open-market insider purchases or sales of SBS were filed in the last 90 days.
- 14 13F filers hold SBS among their 50 largest positions, worth $459.3M combined. The biggest bets by portfolio weight are Impax Asset Management Group plc (2.0%), Ativo Capital Management LLC (1.3%) and Kapitalo Investimentos Ltda (1.1%). In their latest 13Fs, 0 managers opened a new position and 8 added to one.
- No member of Congress has disclosed a trade in SBS.
SBS insider trading
No open-market insider purchases or sales of SBS were filed in the last 90 days.
Who owns SBS? Hedge funds and superinvestors
14 13F filers hold SBS among their 50 largest positions, worth $459.3M combined. The biggest bets by portfolio weight are Impax Asset Management Group plc (2.0%), Ativo Capital Management LLC (1.3%) and Kapitalo Investimentos Ltda (1.1%). In their latest 13Fs, 0 managers opened a new position and 8 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Impax Asset Management Group plcMutual fund manager | 2.0% | $302.4M | 52,324,409 | +676.1% shares | Q2 2026 |
| Letko, Brosseau & Associates IncInstitutional asset manager | 1.0% | $70.0M | 12,114,373 | +415.8% shares | Q2 2026 |
| Perpetual LtdInvestment manager | 0.5% | $33.5M | 6,304,591 | — | Q3 2026 |
| Itau Unibanco Holding S.A.Bank & trust | 0.5% | $25.0M | 4,381,272 | +591.9% shares | Q2 2026 |
| Kapitalo Investimentos LtdaInvestment manager | 1.1% | $8.2M | 1,552,893 | +1506.4% shares | Q3 2026 |
| Wexford Capital LPHedge fund | 1.0% | $7.4M | 1,284,315 | — | Q2 2026 |
| Formuepleje A/SInvestment manager | 0.2% | $2.3M | 440,142 | — | Q3 2026 |
| Lifestyle Asset Management, Inc.Wealth manager | 0.6% | $2.3M | 434,700 | +8.3% shares | Q3 2026 |
| SPX Gestao de Recursos LtdaInvestment manager | 0.2% | $2.0M | 352,413 | +98.0% shares | Q2 2026 |
| Point Nemo Capital, LLCWealth manager | 1.0% | $1.9M | 333,298 | +439.4% shares | Q2 2026 |
| Ativo Capital Management LLCInstitutional asset manager | 1.3% | $1.7M | 327,656 | +0.1% shares | Q3 2026 |
| Absolute Gestao de Investimentos Ltda.Investment manager | 0.2% | $876K | 151,610 | — | Q2 2026 |
| VPR Management LLCInvestment manager | 0.3% | $855K | 147,885 | +400.4% shares | Q2 2026 |
| Nkcfo LLCInvestment manager | 0.2% | $566K | 97,915 | — | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 5, Q2 2026: 9). Screen SBS in the grand portfolio →
SBS stock trades by members of Congress
No member of Congress has disclosed a trade in SBS.
SBS questions and answers
Are insiders buying SBS stock?
No open-market insider purchases or sales of SBS were filed in the last 90 days.
Which hedge funds own SBS?
14 13F filers hold SBS among their 50 largest positions, worth $459.3M combined. The biggest bets by portfolio weight are Impax Asset Management Group plc (2.0%), Ativo Capital Management LLC (1.3%) and Kapitalo Investimentos Ltda (1.1%). In their latest 13Fs, 0 managers opened a new position and 8 added to one.
Has Congress traded SBS?
No member of Congress has disclosed a trade in SBS.
Who is the largest holder of SBS?
Among 13F filers, Impax Asset Management Group plc reports the largest SBS position, $302.4M (52,324,409 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Impax Asset Management Group plc's: 2.0% of its portfolio.
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