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Side-by-side financial comparison of MESABI TRUST (MSB) and PIONEER POWER SOLUTIONS, INC. (PPSI). Click either name above to swap in a different company.

PIONEER POWER SOLUTIONS, INC. is the larger business by last-quarter revenue ($5.6M vs $3.6M, roughly 1.6× MESABI TRUST). MESABI TRUST runs the higher net margin — 77.1% vs -24.7%, a 101.8% gap on every dollar of revenue. On growth, PIONEER POWER SOLUTIONS, INC. posted the faster year-over-year revenue change (-42.3% vs -95.5%). Over the past eight quarters, PIONEER POWER SOLUTIONS, INC.'s revenue compounded faster (30.3% CAGR vs -24.1%).

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.

Caterpillar Energy Solutions GmbH, is a mechanical engineering company based in Mannheim, Baden-Württemberg, Germany. It was known as MWM GmbH Motoren-Werke Mannheim (MWM) until November 2013. In 2009 the company was the third-largest producer by revenue of gas and diesel engines.

MSB vs PPSI — Head-to-Head

Bigger by revenue
PPSI
PPSI
1.6× larger
PPSI
$5.6M
$3.6M
MSB
Growing faster (revenue YoY)
PPSI
PPSI
+53.2% gap
PPSI
-42.3%
-95.5%
MSB
Higher net margin
MSB
MSB
101.8% more per $
MSB
77.1%
-24.7%
PPSI
Faster 2-yr revenue CAGR
PPSI
PPSI
Annualised
PPSI
30.3%
-24.1%
MSB

Income Statement — Q3 FY2026 vs Q4 FY2025

Metric
MSB
MSB
PPSI
PPSI
Revenue
$3.6M
$5.6M
Net Profit
$2.8M
$-1.4M
Gross Margin
77.1%
23.5%
Operating Margin
-19.4%
Net Margin
77.1%
-24.7%
Revenue YoY
-95.5%
-42.3%
Net Profit YoY
-96.5%
-103.8%
EPS (diluted)
$-0.12

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
MSB
MSB
PPSI
PPSI
Q4 25
$3.6M
$5.6M
Q3 25
$5.6M
$6.9M
Q2 25
$4.7M
$8.4M
Q1 25
$6.9M
$6.7M
Q4 24
$79.0M
$9.8M
Q3 24
$6.5M
$6.4M
Q2 24
$6.3M
$3.4M
Q1 24
$6.2M
$3.3M
Net Profit
MSB
MSB
PPSI
PPSI
Q4 25
$2.8M
$-1.4M
Q3 25
$4.7M
$-2.4M
Q2 25
$3.6M
$-1.3M
Q1 25
$6.1M
$-929.0K
Q4 24
$78.3M
$36.3M
Q3 24
$5.4M
$-1.1M
Q2 24
$3.5M
$-2.3M
Q1 24
$4.7M
$-1.0M
Gross Margin
MSB
MSB
PPSI
PPSI
Q4 25
77.1%
23.5%
Q3 25
84.6%
9.3%
Q2 25
76.7%
15.7%
Q1 25
88.5%
2.2%
Q4 24
99.1%
28.9%
Q3 24
83.2%
23.7%
Q2 24
55.7%
18.9%
Q1 24
75.3%
16.1%
Operating Margin
MSB
MSB
PPSI
PPSI
Q4 25
-19.4%
Q3 25
-21.0%
Q2 25
-20.4%
Q1 25
-34.8%
Q4 24
-11.0%
Q3 24
-11.1%
Q2 24
-51.1%
Q1 24
-52.1%
Net Margin
MSB
MSB
PPSI
PPSI
Q4 25
77.1%
-24.7%
Q3 25
84.6%
-34.1%
Q2 25
76.7%
-15.9%
Q1 25
88.5%
-13.8%
Q4 24
99.1%
372.1%
Q3 24
83.2%
-17.5%
Q2 24
55.7%
-67.2%
Q1 24
75.3%
-31.2%
EPS (diluted)
MSB
MSB
PPSI
PPSI
Q4 25
$-0.12
Q3 25
$-0.21
Q2 25
$-0.12
Q1 25
$-0.09
Q4 24
$3.31
Q3 24
$-0.10
Q2 24
$-0.21
Q1 24
$-0.10

Balance Sheet & Financial Strength

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

Metric
MSB
MSB
PPSI
PPSI
Cash + ST InvestmentsLiquidity on hand
Total DebtLower is stronger
Stockholders' EquityBook value
$21.1M
$29.3M
Total Assets
$26.0M
$35.5M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MSB
MSB
PPSI
PPSI
Q4 25
Q3 25
Q2 25
$18.0M
Q1 25
$25.8M
Q4 24
$41.6M
Q3 24
$3.1M
Q2 24
$6.5M
Q1 24
$6.2M
Stockholders' Equity
MSB
MSB
PPSI
PPSI
Q4 25
$21.1M
$29.3M
Q3 25
$22.8M
$30.7M
Q2 25
$19.6M
$33.0M
Q1 25
$23.3M
$34.5M
Q4 24
$95.3M
$35.4M
Q3 24
$22.1M
$14.7M
Q2 24
$20.7M
$15.8M
Q1 24
$21.0M
$18.1M
Total Assets
MSB
MSB
PPSI
PPSI
Q4 25
$26.0M
$35.5M
Q3 25
$24.8M
$37.6M
Q2 25
$27.4M
$39.1M
Q1 25
$101.7M
$47.5M
Q4 24
$100.7M
$66.0M
Q3 24
$26.2M
$40.1M
Q2 24
$25.1M
$38.0M
Q1 24
$26.7M
$39.3M

Cash Flow & Capital Efficiency

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

Metric
MSB
MSB
PPSI
PPSI
Operating Cash FlowLast quarter
$3.5M
$-1.0M
Free Cash FlowOCF − Capex
$-2.2M
FCF MarginFCF / Revenue
-38.8%
Capex IntensityCapex / Revenue
20.3%
Cash ConversionOCF / Net Profit
1.27×
TTM Free Cash FlowTrailing 4 quarters
$-8.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MSB
MSB
PPSI
PPSI
Q4 25
$3.5M
$-1.0M
Q3 25
$4.4M
$-817.0K
Q2 25
$2.1M
$-5.5M
Q1 25
$93.9M
$1.5M
Q4 24
$78.2M
$-2.1M
Q3 24
$3.8M
$-2.7M
Q2 24
$2.5M
$571.0K
Q1 24
$14.6M
$-1.9M
Free Cash Flow
MSB
MSB
PPSI
PPSI
Q4 25
$-2.2M
Q3 25
$-1.6M
Q2 25
$-5.6M
Q1 25
$907.0K
Q4 24
$-4.6M
Q3 24
$-3.4M
Q2 24
$170.0K
Q1 24
$-2.2M
FCF Margin
MSB
MSB
PPSI
PPSI
Q4 25
-38.8%
Q3 25
-23.4%
Q2 25
-67.0%
Q1 25
13.5%
Q4 24
-46.9%
Q3 24
-53.0%
Q2 24
5.0%
Q1 24
-65.2%
Capex Intensity
MSB
MSB
PPSI
PPSI
Q4 25
20.3%
Q3 25
11.5%
Q2 25
1.7%
Q1 25
8.8%
Q4 24
25.4%
Q3 24
10.3%
Q2 24
11.8%
Q1 24
6.4%
Cash Conversion
MSB
MSB
PPSI
PPSI
Q4 25
1.27×
Q3 25
0.92×
Q2 25
0.57×
Q1 25
15.48×
Q4 24
1.00×
-0.06×
Q3 24
0.71×
Q2 24
0.72×
Q1 24
3.11×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MSB
MSB

Segment breakdown not available.

PPSI
PPSI

Total Revenue$4.0M70%
Other$1.7M30%

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