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Side-by-side financial comparison of ACORN ENERGY, INC. (ACFN) and Cosan S.A. (CSAN), based on the latest 10-Q / 10-K filings. Click either name above to swap in a different company.

Acorn Energy Inc. is a NASDAQ-listed conglomerate investing in electricity generation and security. It was founded by George Morgenstern in 1984 as Decision Systems, Inc. and was taken public by Laidlaw Securities. The name was later changed to Data Systems and Software Inc. John Moore became CEO in 2006 and changed the name to Acorn Factor and later to Acorn Energy.

Cosan S.A. is a public-listed company, a Brazilian conglomerate producer of bioethanol, sugar and energy. The company operates in Brazil, Argentina, Uruguay, Paraguay, Bolivia. They also operate in the United Kingdom under the brand name Moove, manufacturing and supplying Mobil Lubricants, Greases, Cutting Fluids, Coolants and Aerosols.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history — bar widths are scaled to the larger of the two companies so you can eyeball the size gap and growth trajectory without doing math. Quarters aligned by calendar period (report date) so offset fiscal years line up.

Revenue
ACFN
ACFN
CSAN
CSAN
Q4 25
$2.4M
Q3 25
$2.5M
Q2 25
$3.5M
Q1 25
$3.1M
Q4 24
$3.5M
Q3 24
$3.0M
Q2 24
$2.3M
Q1 24
$2.1M
Net Profit
ACFN
ACFN
CSAN
CSAN
Q4 25
$1.1M
Q3 25
$252.0K
Q2 25
$720.0K
Q1 25
$464.0K
Q4 24
$5.2M
Q3 24
$725.0K
Q2 24
$271.0K
Q1 24
$65.0K
Gross Margin
ACFN
ACFN
CSAN
CSAN
Q4 25
80.1%
Q3 25
78.5%
Q2 25
74.9%
Q1 25
75.1%
Q4 24
72.4%
Q3 24
71.7%
Q2 24
73.2%
Q1 24
74.6%
Operating Margin
ACFN
ACFN
CSAN
CSAN
Q4 25
11.7%
Q3 25
6.4%
Q2 25
26.9%
Q1 25
19.5%
Q4 24
23.9%
Q3 24
24.8%
Q2 24
11.3%
Q1 24
3.7%
Net Margin
ACFN
ACFN
CSAN
CSAN
Q4 25
45.2%
Q3 25
10.2%
Q2 25
20.4%
Q1 25
15.0%
Q4 24
148.3%
Q3 24
23.8%
Q2 24
11.9%
Q1 24
3.0%
EPS (diluted)
ACFN
ACFN
CSAN
CSAN
Q4 25
$0.42
Q3 25
$0.10
Q2 25
$0.28
Q1 25
$0.19
Q4 24
$2.08
Q3 24
$0.29
Q2 24
$0.11
Q1 24
$0.03

Financial Flow Comparison

Sankey diagram of revenue → gross profit → operating profit → net profit for each company. Charts shown full-width and stacked so both segment hierarchies are readable side-by-side on desktop and mobile.

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