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Side-by-side financial comparison of ACORN ENERGY, INC. (ACFN) and MESABI TRUST (MSB). Click either name above to swap in a different company.

MESABI TRUST is the larger business by last-quarter revenue ($3.6M vs $2.4M, roughly 1.5× ACORN ENERGY, INC.). MESABI TRUST runs the higher net margin — 77.1% vs 45.2%, a 31.9% gap on every dollar of revenue. On growth, ACORN ENERGY, INC. posted the faster year-over-year revenue change (-32.6% vs -95.5%). Over the past eight quarters, ACORN ENERGY, INC.'s revenue compounded faster (5.6% CAGR vs -24.1%).

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.

Mesabi Trust is a United States-based royalty trust that holds permanent royalty interests in iron ore mining properties located in Minnesota's Mesabi Range. It earns revenue primarily from royalty payments tied to the production and sale of iron ore products, with core earnings sourced from active mining partners operating on the land it holds interests in, catering to the global steel manufacturing market.

ACFN vs MSB — Head-to-Head

Bigger by revenue
MSB
MSB
1.5× larger
MSB
$3.6M
$2.4M
ACFN
Growing faster (revenue YoY)
ACFN
ACFN
+62.8% gap
ACFN
-32.6%
-95.5%
MSB
Higher net margin
MSB
MSB
31.9% more per $
MSB
77.1%
45.2%
ACFN
Faster 2-yr revenue CAGR
ACFN
ACFN
Annualised
ACFN
5.6%
-24.1%
MSB

Income Statement — Q4 FY2025 vs Q3 FY2026

Metric
ACFN
ACFN
MSB
MSB
Revenue
$2.4M
$3.6M
Net Profit
$1.1M
$2.8M
Gross Margin
80.1%
77.1%
Operating Margin
11.7%
Net Margin
45.2%
77.1%
Revenue YoY
-32.6%
-95.5%
Net Profit YoY
-79.5%
-96.5%
EPS (diluted)
$0.42

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ACFN
ACFN
MSB
MSB
Q4 25
$2.4M
$3.6M
Q3 25
$2.5M
$5.6M
Q2 25
$3.5M
$4.7M
Q1 25
$3.1M
$6.9M
Q4 24
$3.5M
$79.0M
Q3 24
$3.0M
$6.5M
Q2 24
$2.3M
$6.3M
Q1 24
$2.1M
$6.2M
Net Profit
ACFN
ACFN
MSB
MSB
Q4 25
$1.1M
$2.8M
Q3 25
$252.0K
$4.7M
Q2 25
$720.0K
$3.6M
Q1 25
$464.0K
$6.1M
Q4 24
$5.2M
$78.3M
Q3 24
$725.0K
$5.4M
Q2 24
$271.0K
$3.5M
Q1 24
$65.0K
$4.7M
Gross Margin
ACFN
ACFN
MSB
MSB
Q4 25
80.1%
77.1%
Q3 25
78.5%
84.6%
Q2 25
74.9%
76.7%
Q1 25
75.1%
88.5%
Q4 24
72.4%
99.1%
Q3 24
71.7%
83.2%
Q2 24
73.2%
55.7%
Q1 24
74.6%
75.3%
Operating Margin
ACFN
ACFN
MSB
MSB
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
MSB
MSB
Q4 25
45.2%
77.1%
Q3 25
10.2%
84.6%
Q2 25
20.4%
76.7%
Q1 25
15.0%
88.5%
Q4 24
148.3%
99.1%
Q3 24
23.8%
83.2%
Q2 24
11.9%
55.7%
Q1 24
3.0%
75.3%
EPS (diluted)
ACFN
ACFN
MSB
MSB
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

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ACFN
ACFN
MSB
MSB
Cash + ST InvestmentsLiquidity on hand
$4.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$8.3M
$21.1M
Total Assets
$13.3M
$26.0M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACFN
ACFN
MSB
MSB
Q4 25
$4.5M
Q3 25
$4.2M
Q2 25
$3.3M
Q1 25
$2.6M
Q4 24
$2.3M
Q3 24
$2.2M
Q2 24
$1.5M
Q1 24
$1.4M
Stockholders' Equity
ACFN
ACFN
MSB
MSB
Q4 25
$8.3M
$21.1M
Q3 25
$7.2M
$22.8M
Q2 25
$6.9M
$19.6M
Q1 25
$6.1M
$23.3M
Q4 24
$5.5M
$95.3M
Q3 24
$288.0K
$22.1M
Q2 24
$-451.0K
$20.7M
Q1 24
$-733.0K
$21.0M
Total Assets
ACFN
ACFN
MSB
MSB
Q4 25
$13.3M
$26.0M
Q3 25
$12.4M
$24.8M
Q2 25
$12.5M
$27.4M
Q1 25
$11.1M
$101.7M
Q4 24
$10.6M
$100.7M
Q3 24
$5.4M
$26.2M
Q2 24
$4.8M
$25.1M
Q1 24
$4.9M
$26.7M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ACFN
ACFN
MSB
MSB
Operating Cash FlowLast quarter
$295.0K
$3.5M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
0.27×
1.27×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACFN
ACFN
MSB
MSB
Q4 25
$295.0K
$3.5M
Q3 25
$895.0K
$4.4M
Q2 25
$629.0K
$2.1M
Q1 25
$271.0K
$93.9M
Q4 24
$166.0K
$78.2M
Q3 24
$698.0K
$3.8M
Q2 24
$84.0K
$2.5M
Q1 24
$-43.0K
$14.6M
Cash Conversion
ACFN
ACFN
MSB
MSB
Q4 25
0.27×
1.27×
Q3 25
3.55×
0.92×
Q2 25
0.87×
0.57×
Q1 25
0.58×
15.48×
Q4 24
0.03×
1.00×
Q3 24
0.96×
0.71×
Q2 24
0.31×
0.72×
Q1 24
-0.66×
3.11×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ACFN
ACFN

PG$2.2M94%
Other$143.0K6%

MSB
MSB

Segment breakdown not available.

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