Cosan S.A. (CSAN) Sank By Over 20% This Week. Here is Why.

The share price of Cosan S.A. (NYSE:CSAN) fell by 20.92% between September 18 and September 25, 2025, putting it among the Energy Stocks that Lost the Most This Week.

Cosan S.A. (CSAN) Sank By Over 20% This Week. Here is Why.

Cosan S.A. (NYSE:CSAN) engages in the fuel distribution business with operations in Brazil, England, France, Spain, Portugal, Argentina, Bolivia, Uruguay, Paraguay, the United States, Asia, and internationally.

Cosan S.A. (NYSE:CSAN) sank after the company announced plans to raise as much as 10 billion Brazilian reais, around $1.9 billion, in a public offering to help reduce its mounting debt.

According to analysts at Citi, the public offering implies a 40-50% dilution to current shareholders but should be positive as Cosan S.A. (NYSE:CSAN) would enter ‘a new phase, which should be marked by deleveraging in the holding company’.

Following the recent downturn, the share price of Cosan S.A. (NYSE:CSAN) has dropped by 51% over the last year.

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Disclosure: None.