$CSANY

$2.75 -$0.05 (1.79%) Close

$CSANY Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 3.97B shares outstanding

Who owns CSANY?

By type of holder

Institutions 0.4% Insiders 20.7% Everyone else 78.9%

Concentration Top 10 holders own 23.8%

Mello Rubens Ometto Silveira 20.7% · Queluz Holdings Ltd. 2.8%

Institutional ownership

0.4%

-0.1 pts vs last qtr

Institutional holders

-12 vs last qtr

Net shares bought

−2.8M

by institutions in Q2 2026

New / sold out

15 / 27

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

UBS Group AG +2.2M
Monaco Asset Management SAM +330.6K

Biggest sellers in Q2 2026

Marshall Wace, LLP −1.7M
Morgan Stanley −1.1M

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Cosan SA in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for Cosan SA.

How patient are the owners?

Institutional shares by how long they've been held

5+ years39% 3–5 years1% 1–3 years12% Under 1 year48%

Quarterly turnover

24.7%

of institutional shares changed hands

Top 10 managers, median time held

1.3 years

Super Investors

Investment managers reporting CSANY on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
RT Renaissance Technologies LLC	2.8M	0.07%	−1.0M (−26.5%)	≤2021	0.0%
Shares held by quarter Peak holding4.7M (Q2'25) Change over 8 quarters−1.8M Share of the company0.070% Renaissance Technologies LLC's full portfolio →
MA Monaco Asset Management SAM	3.7M	0.09%	+330.6K (+9.9%)	Q3 '25	0.8%
Shares held by quarter Peak holding3.7M (Q2'26) Change over 8 quarters+3.7M Share of the company0.090% Monaco Asset Management SAM's full portfolio →

Renaissance Technologies LLC

2.8M

% of company

0.07%

Change vs last qtr

−1.0M (−26.5%)

Held since

≤2021

Monaco Asset Management SAM

3.7M

% of company

0.09%

Change vs last qtr

+330.6K (+9.9%)

Held since

Q3 '25

28 more super investors behind a free account

See every manager holding Cosan SA, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting CSANY on Form N-PORT; together they hold 0.0% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
AI ActivePassive International Equity ETF Trust for Professional Managers	$227K	45.7K	0.00%	0.02%	February 28, 2026
DW Dimensional World ex. U.S. Core Equity 2 ETF Dimensional ETF Trust	$130K	32.3K	0.00%	0.00%	April 30, 2026

ActivePassive International Equity ETF

Trust for Professional Managers

Position value

$227K

% of company

0.00%

% of the fund

0.02%

As of

February 28, 2026

Dimensional World ex. U.S. Core Equity 2 ETF

Dimensional ETF Trust

Position value

$130K

% of company

0.00%

% of the fund

0.00%

As of

April 30, 2026

3 more funds behind a free account

See every fund holding Cosan SA and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
MR Mello Rubens Ometto Silveira Insider	822.2M	20.73%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company20.730% Mello Rubens Ometto Silveira's insider activity →
QH Queluz Holdings Ltd. 5%+ holder 13D · 2.8%	109.5M	2.76%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company2.760% Disclosed stake13D · 2.8% View the 13D/G filing →

Mello Rubens Ometto Silveira

Insider

822.2M

% of company

20.73%

Change vs last qtr

—

Held since

—

Queluz Holdings Ltd.

5%+ holder13D · 2.8%

109.5M

% of company

2.76%

Change vs last qtr

—

Held since

—

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