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

UNITED GUARDIAN INC is the larger business by last-quarter revenue ($3.0M vs $2.4M, roughly 1.2× ACORN ENERGY, INC.). On growth, UNITED GUARDIAN INC posted the faster year-over-year revenue change (19.6% vs -32.6%). Over the past eight quarters, ACORN ENERGY, INC.'s revenue compounded faster (5.6% CAGR vs -4.6%).

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.

The Guardian Life Insurance Company of America is one of the largest mutual life insurance companies in the world. Based in Manhattan, it has approximately 8,000 employees in the United States, and a network of over 3,000 financial representatives in more than 70 agencies nationwide. As of 2018, it ranks 239th on the Fortune 500 list of largest American corporations by revenue. In 2015, Guardian achieved the highest earnings in its 155-year history with $7.3 billion in capital and $1.5 billio...

ACFN vs UG — Head-to-Head

Bigger by revenue
UG
UG
1.2× larger
UG
$3.0M
$2.4M
ACFN
Growing faster (revenue YoY)
UG
UG
+52.2% gap
UG
19.6%
-32.6%
ACFN
Faster 2-yr revenue CAGR
ACFN
ACFN
Annualised
ACFN
5.6%
-4.6%
UG

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ACFN
ACFN
UG
UG
Revenue
$2.4M
$3.0M
Net Profit
$1.1M
Gross Margin
80.1%
45.0%
Operating Margin
11.7%
24.4%
Net Margin
45.2%
Revenue YoY
-32.6%
19.6%
Net Profit YoY
-79.5%
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
UG
UG
Q4 25
$2.4M
$3.0M
Q3 25
$2.5M
$2.3M
Q2 25
$3.5M
$2.8M
Q1 25
$3.1M
$2.5M
Q4 24
$3.5M
$2.5M
Q3 24
$3.0M
$3.1M
Q2 24
$2.3M
$3.4M
Q1 24
$2.1M
$3.3M
Net Profit
ACFN
ACFN
UG
UG
Q4 25
$1.1M
Q3 25
$252.0K
$268.4K
Q2 25
$720.0K
$626.8K
Q1 25
$464.0K
$560.9K
Q4 24
$5.2M
Q3 24
$725.0K
$865.5K
Q2 24
$271.0K
$956.2K
Q1 24
$65.0K
$925.4K
Gross Margin
ACFN
ACFN
UG
UG
Q4 25
80.1%
45.0%
Q3 25
78.5%
42.1%
Q2 25
74.9%
52.8%
Q1 25
75.1%
54.7%
Q4 24
72.4%
51.7%
Q3 24
71.7%
54.0%
Q2 24
73.2%
54.0%
Q1 24
74.6%
52.2%
Operating Margin
ACFN
ACFN
UG
UG
Q4 25
11.7%
24.4%
Q3 25
6.4%
9.5%
Q2 25
26.9%
24.5%
Q1 25
19.5%
24.6%
Q4 24
23.9%
22.5%
Q3 24
24.8%
31.0%
Q2 24
11.3%
32.9%
Q1 24
3.7%
31.5%
Net Margin
ACFN
ACFN
UG
UG
Q4 25
45.2%
Q3 25
10.2%
11.9%
Q2 25
20.4%
22.1%
Q1 25
15.0%
22.6%
Q4 24
148.3%
Q3 24
23.8%
28.3%
Q2 24
11.9%
28.2%
Q1 24
3.0%
28.4%
EPS (diluted)
ACFN
ACFN
UG
UG
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
UG
UG
Cash + ST InvestmentsLiquidity on hand
$4.5M
$8.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$8.3M
$11.2M
Total Assets
$13.3M
$13.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACFN
ACFN
UG
UG
Q4 25
$4.5M
$8.6M
Q3 25
$4.2M
$8.3M
Q2 25
$3.3M
$8.4M
Q1 25
$2.6M
$8.1M
Q4 24
$2.3M
$9.4M
Q3 24
$2.2M
$9.5M
Q2 24
$1.5M
$9.9M
Q1 24
$1.4M
$8.6M
Stockholders' Equity
ACFN
ACFN
UG
UG
Q4 25
$8.3M
$11.2M
Q3 25
$7.2M
$10.6M
Q2 25
$6.9M
$11.5M
Q1 25
$6.1M
$10.8M
Q4 24
$5.5M
$11.9M
Q3 24
$288.0K
$11.4M
Q2 24
$-451.0K
$12.1M
Q1 24
$-733.0K
$11.2M
Total Assets
ACFN
ACFN
UG
UG
Q4 25
$13.3M
$13.1M
Q3 25
$12.4M
$12.2M
Q2 25
$12.5M
$13.4M
Q1 25
$11.1M
$12.8M
Q4 24
$10.6M
$13.8M
Q3 24
$5.4M
$13.3M
Q2 24
$4.8M
$13.8M
Q1 24
$4.9M
$13.0M

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
UG
UG
Operating Cash FlowLast quarter
$295.0K
$330.5K
Free Cash FlowOCF − Capex
$308.0K
FCF MarginFCF / Revenue
10.4%
Capex IntensityCapex / Revenue
0.8%
Cash ConversionOCF / Net Profit
0.27×
TTM Free Cash FlowTrailing 4 quarters
$1.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACFN
ACFN
UG
UG
Q4 25
$295.0K
$330.5K
Q3 25
$895.0K
$1.0M
Q2 25
$629.0K
$303.2K
Q1 25
$271.0K
$322.1K
Q4 24
$166.0K
$269.3K
Q3 24
$698.0K
$1.2M
Q2 24
$84.0K
$1.3M
Q1 24
$-43.0K
$644.1K
Free Cash Flow
ACFN
ACFN
UG
UG
Q4 25
$308.0K
Q3 25
$995.8K
Q2 25
$285.6K
Q1 25
$318.5K
Q4 24
$-45.9K
Q3 24
$1.2M
Q2 24
$1.3M
Q1 24
$622.2K
FCF Margin
ACFN
ACFN
UG
UG
Q4 25
10.4%
Q3 25
44.0%
Q2 25
10.1%
Q1 25
12.8%
Q4 24
-1.9%
Q3 24
39.2%
Q2 24
37.1%
Q1 24
19.1%
Capex Intensity
ACFN
ACFN
UG
UG
Q4 25
0.8%
Q3 25
0.7%
Q2 25
0.6%
Q1 25
0.1%
Q4 24
12.7%
Q3 24
1.0%
Q2 24
1.9%
Q1 24
0.7%
Cash Conversion
ACFN
ACFN
UG
UG
Q4 25
0.27×
Q3 25
3.55×
3.77×
Q2 25
0.87×
0.48×
Q1 25
0.58×
0.57×
Q4 24
0.03×
Q3 24
0.96×
1.42×
Q2 24
0.31×
1.38×
Q1 24
-0.66×
0.70×

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%

UG
UG

Pharmaceuticals$1.6M53%
Other$1.4M47%

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