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Side-by-side financial comparison of PIONEER POWER SOLUTIONS, INC. (PPSI) and Global Self Storage, Inc. (SELF). 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 $3.2M, roughly 1.8× Global Self Storage, Inc.). Global Self Storage, Inc. runs the higher net margin — 10.2% vs -24.7%, a 34.9% gap on every dollar of revenue. On growth, Global Self Storage, Inc. posted the faster year-over-year revenue change (-0.9% vs -42.3%). Over the past eight quarters, PIONEER POWER SOLUTIONS, INC.'s revenue compounded faster (30.3% CAGR vs 2.0%).

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.

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.

PPSI vs SELF — Head-to-Head

Bigger by revenue
PPSI
PPSI
1.8× larger
PPSI
$5.6M
$3.2M
SELF
Growing faster (revenue YoY)
SELF
SELF
+41.4% gap
SELF
-0.9%
-42.3%
PPSI
Higher net margin
SELF
SELF
34.9% more per $
SELF
10.2%
-24.7%
PPSI
Faster 2-yr revenue CAGR
PPSI
PPSI
Annualised
PPSI
30.3%
2.0%
SELF

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
PPSI
PPSI
SELF
SELF
Revenue
$5.6M
$3.2M
Net Profit
$-1.4M
$322.8K
Gross Margin
23.5%
Operating Margin
-19.4%
21.5%
Net Margin
-24.7%
10.2%
Revenue YoY
-42.3%
-0.9%
Net Profit YoY
-103.8%
282.5%
EPS (diluted)
$-0.12
$0.03

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
PPSI
PPSI
SELF
SELF
Q4 25
$5.6M
$3.2M
Q3 25
$6.9M
$3.2M
Q2 25
$8.4M
$3.2M
Q1 25
$6.7M
$3.1M
Q4 24
$9.8M
$3.2M
Q3 24
$6.4M
$3.2M
Q2 24
$3.4M
$3.1M
Q1 24
$3.3M
$3.0M
Net Profit
PPSI
PPSI
SELF
SELF
Q4 25
$-1.4M
$322.8K
Q3 25
$-2.4M
$496.3K
Q2 25
$-1.3M
$664.2K
Q1 25
$-929.0K
$555.2K
Q4 24
$36.3M
$84.4K
Q3 24
$-1.1M
$1.2M
Q2 24
$-2.3M
$591.5K
Q1 24
$-1.0M
$266.1K
Gross Margin
PPSI
PPSI
SELF
SELF
Q4 25
23.5%
Q3 25
9.3%
Q2 25
15.7%
Q1 25
2.2%
Q4 24
28.9%
Q3 24
23.7%
Q2 24
18.9%
Q1 24
16.1%
Operating Margin
PPSI
PPSI
SELF
SELF
Q4 25
-19.4%
21.5%
Q3 25
-21.0%
22.6%
Q2 25
-20.4%
25.9%
Q1 25
-34.8%
23.1%
Q4 24
-11.0%
24.9%
Q3 24
-11.1%
27.3%
Q2 24
-51.1%
20.5%
Q1 24
-52.1%
19.5%
Net Margin
PPSI
PPSI
SELF
SELF
Q4 25
-24.7%
10.2%
Q3 25
-34.1%
15.4%
Q2 25
-15.9%
20.8%
Q1 25
-13.8%
17.8%
Q4 24
372.1%
2.6%
Q3 24
-17.5%
36.9%
Q2 24
-67.2%
19.0%
Q1 24
-31.2%
8.8%
EPS (diluted)
PPSI
PPSI
SELF
SELF
Q4 25
$-0.12
$0.03
Q3 25
$-0.21
$0.04
Q2 25
$-0.12
$0.06
Q1 25
$-0.09
$0.05
Q4 24
$3.31
$0.02
Q3 24
$-0.10
$0.10
Q2 24
$-0.21
$0.05
Q1 24
$-0.10
$0.02

Balance Sheet & Financial Strength

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

Metric
PPSI
PPSI
SELF
SELF
Cash + ST InvestmentsLiquidity on hand
$7.4M
Total DebtLower is stronger
Stockholders' EquityBook value
$29.3M
$46.5M
Total Assets
$35.5M
$64.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PPSI
PPSI
SELF
SELF
Q4 25
$7.4M
Q3 25
$7.5M
Q2 25
$18.0M
$7.5M
Q1 25
$25.8M
$7.2M
Q4 24
$41.6M
$7.2M
Q3 24
$3.1M
$6.8M
Q2 24
$6.5M
$7.0M
Q1 24
$6.2M
$6.7M
Stockholders' Equity
PPSI
PPSI
SELF
SELF
Q4 25
$29.3M
$46.5M
Q3 25
$30.7M
$46.9M
Q2 25
$33.0M
$47.2M
Q1 25
$34.5M
$47.3M
Q4 24
$35.4M
$47.4M
Q3 24
$14.7M
$48.1M
Q2 24
$15.8M
$47.6M
Q1 24
$18.1M
$47.8M
Total Assets
PPSI
PPSI
SELF
SELF
Q4 25
$35.5M
$64.1M
Q3 25
$37.6M
$64.8M
Q2 25
$39.1M
$65.0M
Q1 25
$47.5M
$65.1M
Q4 24
$66.0M
$65.5M
Q3 24
$40.1M
$66.3M
Q2 24
$38.0M
$66.0M
Q1 24
$39.3M
$66.1M

Cash Flow & Capital Efficiency

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

Metric
PPSI
PPSI
SELF
SELF
Operating Cash FlowLast quarter
$-1.0M
$4.5M
Free Cash FlowOCF − Capex
$-2.2M
FCF MarginFCF / Revenue
-38.8%
Capex IntensityCapex / Revenue
20.3%
Cash ConversionOCF / Net Profit
13.86×
TTM Free Cash FlowTrailing 4 quarters
$-8.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PPSI
PPSI
SELF
SELF
Q4 25
$-1.0M
$4.5M
Q3 25
$-817.0K
$1.0M
Q2 25
$-5.5M
$1.3M
Q1 25
$1.5M
$1.1M
Q4 24
$-2.1M
$4.3M
Q3 24
$-2.7M
$1.0M
Q2 24
$571.0K
$1.2M
Q1 24
$-1.9M
$797.0K
Free Cash Flow
PPSI
PPSI
SELF
SELF
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
PPSI
PPSI
SELF
SELF
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
PPSI
PPSI
SELF
SELF
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
PPSI
PPSI
SELF
SELF
Q4 25
13.86×
Q3 25
2.10×
Q2 25
2.02×
Q1 25
1.93×
Q4 24
-0.06×
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.

Revenue Breakdown by Segment

PPSI
PPSI

Total Revenue$4.0M70%
Other$1.7M30%

SELF
SELF

Segment breakdown not available.

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