Companhia de Saneamento Ownership | Who Owns Companhia de Saneamento?

Companhia de Saneamento Ownership Summary

Companhia de Saneamento is owned by 7.23% institutional investors, 15.00% insiders, and 77.77% retail investors. Impax asset management group is the largest institutional shareholder, holding 0.99% of SBS shares. Impax Water Strategy Composite is the top mutual fund, with 0.59% of its assets in Companhia de Saneamento shares.

SBS Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Companhia de Saneamento	7.23%	15.00%	77.77%
Sector	Utilities Stocks	137.25%	7.99%	-45.24%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Impax asset management group	6.74M	0.99%	$205.71M
Blackrock funding, inc. /de	6.09M	0.89%	$185.89M
Amundi	5.46M	0.80%	$134.66M
Deutsche bank ag\	3.70M	0.54%	$112.99M
Royal london asset management	2.66M	0.39%	$81.05M
Manning & napier advisors	2.63M	0.38%	$80.12M
Letko, brosseau & associates	2.35M	0.34%	$71.65M
Blackrock	2.26M	0.33%	$30.42M
Wcm investment management	2.20M	0.32%	$64.72M
Mackenzie financial	2.17M	0.32%	$66.13M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Ativo capital management	65.49K	1.74%	$2.00M
Impax asset management group	6.74M	1.43%	$205.71M
Point nemo capital	61.79K	1.24%	$1.89M
Letko, brosseau & associates	2.35M	1.15%	$71.65M
Manning & napier advisors	2.63M	1.13%	$80.12M
Kapitalo investimentos ltda	168.40K	0.97%	$5.14M
Lifestyle asset management	401.52K	0.62%	$2.32M
Perpetual	6.32M	0.52%	$36.55M
Btg pactual asset management us	159.20K	0.42%	$4.86M
Vpr management	29.55K	0.36%	$901.60K

Top Buyers

Holder	Shares	% Assets	Change
Perpetual	6.32M	0.52%	5.06M
Assetmark	6.07M	0.06%	4.98M
Duff & phelps investment management	6.40M	0.35%	4.95M
Strs ohio	5.71M	0.12%	4.48M
Pictet asset management sa	3.95M	0.02%	3.46M

Top Sellers

Holder	Shares	% Assets	Change
Bank of america corp /de/	507.14K	0.00%	-878.93K
Verde servicos internacionais	-	-	-667.20K
Quilter	-	-	-629.15K
Barclays	58.45K	0.00%	-592.67K
Impax asset management group	6.74M	1.43%	-494.12K

New Positions

Holder	Shares	% Assets	Change	Value
Royal london asset management	2.66M	0.17%	2.66M	$81.05M
Vanguard fiduciary trust	174.54K	0.00%	174.54K	$5.33M
Man group	174.24K	0.01%	174.24K	$5.32M
Btg pactual asset management us	159.20K	0.42%	159.20K	$4.86M
Trexquant investment lp	143.71K	0.03%	143.71K	$4.38M

Sold Out

Holder	Change
Gps wealth strategies group	-1.00
Financial gravity asset management	-3.00
Root financial partners	-7.00
Newedge advisors	-14.00
Cherry tree wealth management	-21.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	162	-28.00%	49,472,599	-27.51%	7	7.25%	111	-30.63%	45	-19.64%
Dec 31, 2025	172	-20.74%	50,609,561	-22.34%	7	8.15%	123	5.13%	40	-45.21%
Sep 30, 2025	210	5.53%	64,315,176	-5.56%	9	9.48%	113	-3.42%	71	42.00%
Jun 30, 2025	198	1.54%	68,068,892	-0.73%	9	9.90%	116	20.83%	50	-19.35%
Mar 31, 2025	6	-96.74%	449,221	-99.35%	-	0.06%	3	-96.84%	1	-98.33%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Impax Water Strategy Composite	20.62M	0.59%	-
Impax Leaders Strategy Composite	13.55M	0.39%	5.58M
BNP Paribas Climate Impact Privl C	2.48M	0.36%	-442.67K
BNP Paribas Aqua C C	12.09M	0.34%	1.65M
BNP Paribas Aqua I	12.01M	0.34%	1.84M
Letko Brosseau Emerging Markets	2.01M	0.29%	-63.29K
LetkoBrosseau Emerging Markets	2.01M	0.28%	-63.29K
First Trust WCM International Equity ETF	8.49M	0.24%	23.25K
Mackenzie Grnchp Glbl Envr All Cap F5	1.59M	0.23%	2.55K
Amundi - KBI Aqua ISR C	1.50M	0.22%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
May 25, 2026	Tavares de Sousa Roberval	Engineering Officer	Sell	$33.87K
May 21, 2026	Tavares de Sousa Samanta I.S.	Inst. Rel. & Sustain. Officer	Sell	$32.60K
Jun 15, 2026	Szlak Daniel	Chief Financial Officer	Sell	$40.81K
Jun 15, 2026	Szlak Daniel	Chief Financial Officer	Sell	$451.98
Jun 15, 2026	Szlak Daniel	Chief Financial Officer	Sell	$2.29K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	7

SBS Ownership FAQ

Who owns the most shares of Companhia de Saneamento?

Companhia de Saneamento’s largest shareholders are Impax asset management group (6.74M shares, 0.99%), Blackrock funding, inc. /de (6.09M shares, 0.89%), and Amundi (5.46M shares, 0.80%). Together, they hold 2.68% of Companhia de Saneamento’s total shares outstanding.

Does Blackrock own Companhia de Saneamento?

Yes, BlackRock owns 0.33% of Companhia de Saneamento, totaling 2.26M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 30.42M$. In the last quarter, BlackRock decreased its holdings by -28.898K shares, a -1.26% change.

Who is Companhia de Saneamento’s biggest shareholder by percentage of total assets invested?

Ativo capital management is Companhia de Saneamento’s biggest shareholder by percentage of total assets invested, with 1.74% of its assets in 65.49K Companhia de Saneamento shares, valued at 2M$.

Who is the top mutual fund holder of Companhia de Saneamento shares?

Impax Water Strategy Composite is the top mutual fund holder of Companhia de Saneamento shares, with 0.59% of its total shares outstanding invested in 20.62M Companhia de Saneamento shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis

Discover trending investment themes
Find your next best investment
Research stocks using tools