Companhia de Saneamento Ownership | Who Owns Companhia de Saneamento?

Companhia de Saneamento Ownership Summary

Companhia de Saneamento is owned by 7.41% institutional investors, 15.45% insiders, and 77.15% retail investors. Impax asset management group is the largest institutional shareholder, holding 1.06% of SBS shares. Impax Water Strategy Composite is the top mutual fund, with 0.60% of its assets in Companhia de Saneamento shares.

SBS Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Companhia de Saneamento	7.41%	15.45%	77.15%
Sector	Utilities Stocks	35.28%	8.46%	56.27%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Impax asset management group	7.24M	1.06%	$172.59M
Blackrock funding, inc. /de	5.99M	0.88%	$142.83M
Amundi	5.46M	0.80%	$134.66M
Deutsche bank ag\	3.84M	0.56%	$91.58M
Manning & napier advisors	2.80M	0.41%	$67.67M
Blackrock	2.26M	0.33%	$30.42M
Letko, brosseau & associates	2.22M	0.32%	$52.87M
Mackenzie financial	2.11M	0.31%	$52.60M
Vanguard group	2.09M	0.31%	$49.97M
Morgan stanley	1.84M	0.27%	$43.78M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Ativo capital management	65.41K	1.37%	$1.56M
Impax asset management group	7.24M	1.08%	$172.59M
Manning & napier advisors	2.80M	0.88%	$67.67M
Letko, brosseau & associates	2.22M	0.87%	$52.87M
Banco btg pactual	212.08K	0.86%	$5.06M
Lifestyle asset management	72.09K	0.56%	$1.72M
Perpetual	1.32M	0.46%	$31.55M
Spx gestao de recursos ltda	210.52K	0.44%	$5.24M
Duff & phelps investment management	1.44M	0.39%	$34.45M
Vpr management	29.06K	0.31%	$692.99K

Top Buyers

Holder	Shares	% Assets	Change
Blackrock funding, inc. /de	5.99M	0.00%	2.48M
Ubs asset management americas	1.55M	0.01%	1.55M
Wellington management group llp	1.10M	0.00%	1.10M
Allianz asset management gmbh	804.17K	0.02%	804.17K
Ubs group	968.10K	0.00%	690.64K

Top Sellers

Holder	Shares	% Assets	Change
Deutsche bank ag\	3.84M	0.03%	-2.24M
Citigroup	227.37K	0.00%	-1.82M
Impax asset management group	7.24M	1.08%	-966.44K
Bank of america corp /de/	507.14K	0.00%	-878.93K
Verde servicos internacionais	-	-	-667.20K

New Positions

Holder	Shares	% Assets	Change	Value
Ubs asset management americas	1.55M	0.01%	1.55M	$37.05M
Wellington management group llp	1.10M	0.00%	1.10M	$27.44M
Allianz asset management gmbh	804.17K	0.02%	804.17K	$19.18M
Boston common asset management	216.47K	0.26%	216.47K	$5.16M
Abn amro investment solutions	216.47K	0.08%	216.47K	$5.16M

Sold Out

Holder	Change
Gps wealth strategies group	-1.00
Financial gravity asset management	-3.00
Twin peaks wealth advisors	-6.00
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 %
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%
Dec 31, 2024	166	-11.23%	61,313,888	-10.36%	8	8.96%	83	-32.52%	57	103.57%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Impax Water Strategy Composite	4.18M	0.60%	28.00
BNP Paribas Climate Impact Privl C	2.48M	0.36%	-442.67K
BNP Paribas Aqua I	2.11M	0.30%	129.00
BNP Paribas Aqua C C	2.07M	0.30%	-979.00
LetkoBrosseau Emerging Markets	2.02M	0.29%	-9.00K
DWS Invest Global Infras FC	1.66M	0.24%	-316.55K
Mackenzie Grnchp Glbl Envr All Cap F5	1.58M	0.23%	10.00
Amundi - KBI Aqua ISR C	1.50M	0.22%	-
KBI Water A GBP	1.51M	0.22%	-85.21K
Impax Specialists Strategy Composite	1.51M	0.22%	-91.61K

SBS Ownership FAQ

Who owns the most shares of Companhia de Saneamento?

Companhia de Saneamento’s largest shareholders are Impax asset management group (7.24M shares, 1.06%), Blackrock funding, inc. /de (5.99M shares, 0.88%), and Amundi (5.46M shares, 0.80%). Together, they hold 2.73% 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 1.37% of its assets in 65.41K Companhia de Saneamento shares, valued at 1.56M$.

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 0.60% of its total shares outstanding invested in 4.18M Companhia de Saneamento shares.

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