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Side-by-side financial comparison of MESABI TRUST (MSB) and Expion360 Inc. (XPON). Click either name above to swap in a different company.

MESABI TRUST is the larger business by last-quarter revenue ($3.6M vs $2.2M, roughly 1.6× Expion360 Inc.). MESABI TRUST runs the higher net margin — 77.1% vs -199.9%, a 277.0% gap on every dollar of revenue. On growth, Expion360 Inc. posted the faster year-over-year revenue change (11.8% vs -95.5%). Over the past eight quarters, Expion360 Inc.'s revenue compounded faster (51.1% 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.

Expion360 Inc. is a provider of high-performance lithium iron phosphate (LFP) battery solutions and supporting energy storage products. Its core customer segments cover recreational vehicle owners, marine users, off-grid lifestyle enthusiasts and residential users across the U.S. market, delivering safe, durable and low-carbon energy storage options.

MSB vs XPON — Head-to-Head

Bigger by revenue
MSB
MSB
1.6× larger
MSB
$3.6M
$2.2M
XPON
Growing faster (revenue YoY)
XPON
XPON
+107.2% gap
XPON
11.8%
-95.5%
MSB
Higher net margin
MSB
MSB
277.0% more per $
MSB
77.1%
-199.9%
XPON
Faster 2-yr revenue CAGR
XPON
XPON
Annualised
XPON
51.1%
-24.1%
MSB

Income Statement — Q3 FY2026 vs Q4 FY2025

Metric
MSB
MSB
XPON
XPON
Revenue
$3.6M
$2.2M
Net Profit
$2.8M
$-4.4M
Gross Margin
77.1%
-14.8%
Operating Margin
-234.4%
Net Margin
77.1%
-199.9%
Revenue YoY
-95.5%
11.8%
Net Profit YoY
-96.5%
-1663.2%
EPS (diluted)
$-0.45

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
XPON
XPON
Q4 25
$3.6M
$2.2M
Q3 25
$5.6M
$2.4M
Q2 25
$4.7M
$3.0M
Q1 25
$6.9M
$2.0M
Q4 24
$79.0M
$2.0M
Q3 24
$6.5M
$1.4M
Q2 24
$6.3M
$1.3M
Q1 24
$6.2M
$971.9K
Net Profit
MSB
MSB
XPON
XPON
Q4 25
$2.8M
$-4.4M
Q3 25
$4.7M
$722.8K
Q2 25
$3.6M
$-1.4M
Q1 25
$6.1M
$-1.2M
Q4 24
$78.3M
$-251.6K
Q3 24
$5.4M
$-8.8M
Q2 24
$3.5M
$-2.2M
Q1 24
$4.7M
$-2.2M
Gross Margin
MSB
MSB
XPON
XPON
Q4 25
77.1%
-14.8%
Q3 25
84.6%
22.7%
Q2 25
76.7%
20.8%
Q1 25
88.5%
24.5%
Q4 24
99.1%
22.1%
Q3 24
83.2%
12.1%
Q2 24
55.7%
25.5%
Q1 24
75.3%
22.9%
Operating Margin
MSB
MSB
XPON
XPON
Q4 25
-234.4%
Q3 25
-125.4%
Q2 25
-45.2%
Q1 25
-56.0%
Q4 24
-59.5%
Q3 24
-138.7%
Q2 24
-131.4%
Q1 24
-202.4%
Net Margin
MSB
MSB
XPON
XPON
Q4 25
77.1%
-199.9%
Q3 25
84.6%
30.2%
Q2 25
76.7%
-45.8%
Q1 25
88.5%
-56.2%
Q4 24
99.1%
-12.7%
Q3 24
83.2%
-634.4%
Q2 24
55.7%
-173.7%
Q1 24
75.3%
-225.6%
EPS (diluted)
MSB
MSB
XPON
XPON
Q4 25
$-0.45
Q3 25
$0.10
Q2 25
$-0.41
Q1 25
$-0.37
Q4 24
$65.02
Q3 24
$-24.55
Q2 24
$-30.20
Q1 24
$-31.30

Balance Sheet & Financial Strength

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

Metric
MSB
MSB
XPON
XPON
Cash + ST InvestmentsLiquidity on hand
$3.0M
Total DebtLower is stronger
$197.2K
Stockholders' EquityBook value
$21.1M
$6.5M
Total Assets
$26.0M
$8.1M
Debt / EquityLower = less leverage
0.03×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MSB
MSB
XPON
XPON
Q4 25
$3.0M
Q3 25
$4.3M
Q2 25
$684.9K
Q1 25
$1.1M
Q4 24
$547.6K
Q3 24
$3.3M
Q2 24
$902.3K
Q1 24
$2.3M
Total Debt
MSB
MSB
XPON
XPON
Q4 25
$197.2K
Q3 25
$205.6K
Q2 25
$213.6K
Q1 25
$221.8K
Q4 24
$230.2K
Q3 24
$239.9K
Q2 24
$247.7K
Q1 24
$255.4K
Stockholders' Equity
MSB
MSB
XPON
XPON
Q4 25
$21.1M
$6.5M
Q3 25
$22.8M
$9.0M
Q2 25
$19.6M
$2.1M
Q1 25
$23.3M
$3.2M
Q4 24
$95.3M
$2.5M
Q3 24
$22.1M
$2.5M
Q2 24
$20.7M
$2.5M
Q1 24
$21.0M
$3.7M
Total Assets
MSB
MSB
XPON
XPON
Q4 25
$26.0M
$8.1M
Q3 25
$24.8M
$10.7M
Q2 25
$27.4M
$8.6M
Q1 25
$101.7M
$9.2M
Q4 24
$100.7M
$9.1M
Q3 24
$26.2M
$10.1M
Q2 24
$25.1M
$8.8M
Q1 24
$26.7M
$10.0M
Debt / Equity
MSB
MSB
XPON
XPON
Q4 25
0.03×
Q3 25
0.02×
Q2 25
0.10×
Q1 25
0.07×
Q4 24
0.09×
Q3 24
0.09×
Q2 24
0.10×
Q1 24
0.07×

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
XPON
XPON
Operating Cash FlowLast quarter
$3.5M
$-2.4M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
1.27×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MSB
MSB
XPON
XPON
Q4 25
$3.5M
$-2.4M
Q3 25
$4.4M
$-2.1M
Q2 25
$2.1M
$-401.0K
Q1 25
$93.9M
$-1.2M
Q4 24
$78.2M
$-2.9M
Q3 24
$3.8M
$-3.2M
Q2 24
$2.5M
$-1.7M
Q1 24
$14.6M
$-1.7M
Free Cash Flow
MSB
MSB
XPON
XPON
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
$-1.7M
FCF Margin
MSB
MSB
XPON
XPON
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
-173.1%
Capex Intensity
MSB
MSB
XPON
XPON
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
1.1%
Cash Conversion
MSB
MSB
XPON
XPON
Q4 25
1.27×
Q3 25
0.92×
-2.90×
Q2 25
0.57×
Q1 25
15.48×
Q4 24
1.00×
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.

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