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Side-by-side financial comparison of Global Self Storage, Inc. (SELF) and Expion360 Inc. (XPON). Click either name above to swap in a different company.

Global Self Storage, Inc. is the larger business by last-quarter revenue ($3.2M vs $2.2M, roughly 1.4× Expion360 Inc.). Global Self Storage, Inc. runs the higher net margin — 10.2% vs -199.9%, a 210.1% gap on every dollar of revenue. On growth, Expion360 Inc. posted the faster year-over-year revenue change (11.8% vs -0.9%). Over the past eight quarters, Expion360 Inc.'s revenue compounded faster (51.1% CAGR vs 2.0%).

Hertz Global Holdings, Inc., known as Hertz, is an American car rental company based in Estero, Florida. The company operates its namesake Hertz brand, along with the brands Dollar Rent A Car, Firefly Car Rental, and Thrifty Car Rental.

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.

SELF vs XPON — Head-to-Head

Bigger by revenue
SELF
SELF
1.4× larger
SELF
$3.2M
$2.2M
XPON
Growing faster (revenue YoY)
XPON
XPON
+12.7% gap
XPON
11.8%
-0.9%
SELF
Higher net margin
SELF
SELF
210.1% more per $
SELF
10.2%
-199.9%
XPON
Faster 2-yr revenue CAGR
XPON
XPON
Annualised
XPON
51.1%
2.0%
SELF

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
SELF
SELF
XPON
XPON
Revenue
$3.2M
$2.2M
Net Profit
$322.8K
$-4.4M
Gross Margin
-14.8%
Operating Margin
21.5%
-234.4%
Net Margin
10.2%
-199.9%
Revenue YoY
-0.9%
11.8%
Net Profit YoY
282.5%
-1663.2%
EPS (diluted)
$0.03
$-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
SELF
SELF
XPON
XPON
Q4 25
$3.2M
$2.2M
Q3 25
$3.2M
$2.4M
Q2 25
$3.2M
$3.0M
Q1 25
$3.1M
$2.0M
Q4 24
$3.2M
$2.0M
Q3 24
$3.2M
$1.4M
Q2 24
$3.1M
$1.3M
Q1 24
$3.0M
$971.9K
Net Profit
SELF
SELF
XPON
XPON
Q4 25
$322.8K
$-4.4M
Q3 25
$496.3K
$722.8K
Q2 25
$664.2K
$-1.4M
Q1 25
$555.2K
$-1.2M
Q4 24
$84.4K
$-251.6K
Q3 24
$1.2M
$-8.8M
Q2 24
$591.5K
$-2.2M
Q1 24
$266.1K
$-2.2M
Gross Margin
SELF
SELF
XPON
XPON
Q4 25
-14.8%
Q3 25
22.7%
Q2 25
20.8%
Q1 25
24.5%
Q4 24
22.1%
Q3 24
12.1%
Q2 24
25.5%
Q1 24
22.9%
Operating Margin
SELF
SELF
XPON
XPON
Q4 25
21.5%
-234.4%
Q3 25
22.6%
-125.4%
Q2 25
25.9%
-45.2%
Q1 25
23.1%
-56.0%
Q4 24
24.9%
-59.5%
Q3 24
27.3%
-138.7%
Q2 24
20.5%
-131.4%
Q1 24
19.5%
-202.4%
Net Margin
SELF
SELF
XPON
XPON
Q4 25
10.2%
-199.9%
Q3 25
15.4%
30.2%
Q2 25
20.8%
-45.8%
Q1 25
17.8%
-56.2%
Q4 24
2.6%
-12.7%
Q3 24
36.9%
-634.4%
Q2 24
19.0%
-173.7%
Q1 24
8.8%
-225.6%
EPS (diluted)
SELF
SELF
XPON
XPON
Q4 25
$0.03
$-0.45
Q3 25
$0.04
$0.10
Q2 25
$0.06
$-0.41
Q1 25
$0.05
$-0.37
Q4 24
$0.02
$65.02
Q3 24
$0.10
$-24.55
Q2 24
$0.05
$-30.20
Q1 24
$0.02
$-31.30

Balance Sheet & Financial Strength

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

Metric
SELF
SELF
XPON
XPON
Cash + ST InvestmentsLiquidity on hand
$7.4M
$3.0M
Total DebtLower is stronger
$197.2K
Stockholders' EquityBook value
$46.5M
$6.5M
Total Assets
$64.1M
$8.1M
Debt / EquityLower = less leverage
0.03×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SELF
SELF
XPON
XPON
Q4 25
$7.4M
$3.0M
Q3 25
$7.5M
$4.3M
Q2 25
$7.5M
$684.9K
Q1 25
$7.2M
$1.1M
Q4 24
$7.2M
$547.6K
Q3 24
$6.8M
$3.3M
Q2 24
$7.0M
$902.3K
Q1 24
$6.7M
$2.3M
Total Debt
SELF
SELF
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
SELF
SELF
XPON
XPON
Q4 25
$46.5M
$6.5M
Q3 25
$46.9M
$9.0M
Q2 25
$47.2M
$2.1M
Q1 25
$47.3M
$3.2M
Q4 24
$47.4M
$2.5M
Q3 24
$48.1M
$2.5M
Q2 24
$47.6M
$2.5M
Q1 24
$47.8M
$3.7M
Total Assets
SELF
SELF
XPON
XPON
Q4 25
$64.1M
$8.1M
Q3 25
$64.8M
$10.7M
Q2 25
$65.0M
$8.6M
Q1 25
$65.1M
$9.2M
Q4 24
$65.5M
$9.1M
Q3 24
$66.3M
$10.1M
Q2 24
$66.0M
$8.8M
Q1 24
$66.1M
$10.0M
Debt / Equity
SELF
SELF
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
SELF
SELF
XPON
XPON
Operating Cash FlowLast quarter
$4.5M
$-2.4M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
13.86×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SELF
SELF
XPON
XPON
Q4 25
$4.5M
$-2.4M
Q3 25
$1.0M
$-2.1M
Q2 25
$1.3M
$-401.0K
Q1 25
$1.1M
$-1.2M
Q4 24
$4.3M
$-2.9M
Q3 24
$1.0M
$-3.2M
Q2 24
$1.2M
$-1.7M
Q1 24
$797.0K
$-1.7M
Free Cash Flow
SELF
SELF
XPON
XPON
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
$-1.7M
FCF Margin
SELF
SELF
XPON
XPON
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
-173.1%
Capex Intensity
SELF
SELF
XPON
XPON
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
1.1%
Cash Conversion
SELF
SELF
XPON
XPON
Q4 25
13.86×
Q3 25
2.10×
-2.90×
Q2 25
2.02×
Q1 25
1.93×
Q4 24
51.30×
Q3 24
0.87×
Q2 24
2.11×
Q1 24
2.99×

Financial Flow Comparison

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

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