Companhia de Saneamento Ownership | Who Owns Companhia de Saneamento?

Companhia de Saneamento Ownership Summary

Companhia de Saneamento is owned by 10.61% institutional investors, and 89.39% retail investors. Impax asset management group is the largest institutional shareholder, holding 1.49% of SBS shares. Impax Water Strategy Composite is the top mutual fund, with 0.69% of its assets in Companhia de Saneamento shares.

SBS Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Companhia de Saneamento	10.61%	-	89.39%
Sector	Utilities Stocks	65.34%	6.66%	28.01%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Impax asset management group	52.32M	1.49%	$302.44M
Blackrock funding, inc. /de	29.94M	0.85%	$173.08M
Amundi	26.10M	0.74%	$150.93M
Royal london asset management	20.55M	0.58%	$118.79M
Deutsche bank ag\	19.19M	0.54%	$110.93M
Wcm investment management	15.92M	0.45%	$92.47M
Wellington management group llp	12.28M	0.35%	$71.00M
Letko, brosseau & associates	12.11M	0.34%	$70.02M
Ubs group	12.05M	0.34%	$69.64M
Blackrock	2.26M	0.33%	$30.42M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Impax asset management group	52.32M	1.97%	$302.44M
Ativo capital management	327.42K	1.45%	$1.89M
Letko, brosseau & associates	12.11M	1.03%	$70.02M
Point nemo capital	333.30K	0.98%	$1.93M
Wexford capital lp	1.28M	0.95%	$7.42M
Lifestyle asset management	401.52K	0.62%	$2.32M
Perpetual	6.32M	0.52%	$36.55M
Northwest & ethical investments	3.57M	0.48%	$20.64M
Itau unibanco	4.38M	0.48%	$25.02M
Barometer capital management	278.25K	0.45%	$1.61M

Top Buyers

Holder	Shares	% Assets	Change
Impax asset management group	52.32M	1.97%	45.58M
Blackrock funding, inc. /de	29.94M	0.00%	23.85M
Amundi	26.10M	0.04%	20.85M
Royal london asset management	20.55M	0.22%	17.90M
Deutsche bank ag\	19.19M	0.03%	15.49M

Top Sellers

Holder	Shares	% Assets	Change
Manning & napier advisors	1.47M	0.11%	-1.16M
Verde servicos internacionais	-	-	-667.20K
Quilter	-	-	-629.15K
Barclays	58.45K	0.00%	-592.67K
Barings	-	-	-279.94K

New Positions

Holder	Shares	% Assets	Change	Value
Northwest & ethical investments	3.57M	0.48%	3.57M	$20.64M
Wexford capital lp	1.28M	0.95%	1.28M	$7.42M
Nuveen	243.69K	0.00%	243.69K	$1.41M
Credit agricole s a	119.39K	0.00%	119.39K	$690.04K
Quadrature capital	89.45K	0.00%	89.45K	$517.00K

Sold Out

Holder	Change
Western wealth management	-1.00
Gps wealth strategies group	-1.00
Financial gravity asset management	-3.00
Root financial partners	-7.00
Operose advisors	-9.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	292	18.22%	373,744,487	421.17%	10	9.65%	279	65.09%	9	-87.14%
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%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Impax Water Strategy Composite	24.11M	0.69%	3.48M
Impax Leaders Strategy Composite	17.32M	0.49%	3.77M
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
Royal London Sustainable World A Inc	11.23M	0.32%	2.70M
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%	-
Amundi - KBI Aqua ISR C	1.50M	0.22%	-

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 (52.32M shares, 1.49%), Blackrock funding, inc. /de (29.94M shares, 0.85%), and Amundi (26.1M shares, 0.74%). Together, they hold 3.08% 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?

Impax asset management group is Companhia de Saneamento’s biggest shareholder by percentage of total assets invested, with 1.97% of its assets in 52.32M Companhia de Saneamento shares, valued at 302.44M$.

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 0.69% of its total shares outstanding invested in 24.11M Companhia de Saneamento shares.

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