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Side-by-side financial comparison of Global Self Storage, Inc. (SELF) and TECOGEN INC. (TGEN). Click either name above to swap in a different company.
TECOGEN INC. is the larger business by last-quarter revenue ($5.3M vs $3.2M, roughly 1.7× Global Self Storage, Inc.). Global Self Storage, Inc. runs the higher net margin — 10.2% vs -75.1%, a 85.3% gap on every dollar of revenue. On growth, Global Self Storage, Inc. posted the faster year-over-year revenue change (-0.9% vs -12.5%). Over the past eight quarters, Global Self Storage, Inc.'s revenue compounded faster (2.0% CAGR vs -7.3%).
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.
SELF vs TGEN — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $3.2M | $5.3M |
| Net Profit | $322.8K | $-4.0M |
| Gross Margin | — | 36.8% |
| Operating Margin | 21.5% | -77.8% |
| Net Margin | 10.2% | -75.1% |
| Revenue YoY | -0.9% | -12.5% |
| Net Profit YoY | 282.5% | -236.7% |
| EPS (diluted) | $0.03 | $-0.14 |
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.
| Q4 25 | $3.2M | $5.3M | ||
| Q3 25 | $3.2M | $7.2M | ||
| Q2 25 | $3.2M | $7.3M | ||
| Q1 25 | $3.1M | $7.3M | ||
| Q4 24 | $3.2M | $6.1M | ||
| Q3 24 | $3.2M | $5.6M | ||
| Q2 24 | $3.1M | $4.7M | ||
| Q1 24 | $3.0M | $6.2M |
| Q4 25 | $322.8K | $-4.0M | ||
| Q3 25 | $496.3K | $-2.1M | ||
| Q2 25 | $664.2K | $-1.5M | ||
| Q1 25 | $555.2K | $-659.9K | ||
| Q4 24 | $84.4K | $-1.2M | ||
| Q3 24 | $1.2M | $-930.4K | ||
| Q2 24 | $591.5K | $-1.5M | ||
| Q1 24 | $266.1K | $-1.1M |
| Q4 25 | — | 36.8% | ||
| Q3 25 | — | 30.4% | ||
| Q2 25 | — | 33.8% | ||
| Q1 25 | — | 44.3% | ||
| Q4 24 | — | 45.0% | ||
| Q3 24 | — | 44.1% | ||
| Q2 24 | — | 44.0% | ||
| Q1 24 | — | 41.6% |
| Q4 25 | 21.5% | -77.8% | ||
| Q3 25 | 22.6% | -29.2% | ||
| Q2 25 | 25.9% | -19.4% | ||
| Q1 25 | 23.1% | -8.2% | ||
| Q4 24 | 24.9% | -18.7% | ||
| Q3 24 | 27.3% | -15.5% | ||
| Q2 24 | 20.5% | -31.2% | ||
| Q1 24 | 19.5% | -17.0% |
| Q4 25 | 10.2% | -75.1% | ||
| Q3 25 | 15.4% | -29.7% | ||
| Q2 25 | 20.8% | -20.1% | ||
| Q1 25 | 17.8% | -9.1% | ||
| Q4 24 | 2.6% | -19.5% | ||
| Q3 24 | 36.9% | -16.5% | ||
| Q2 24 | 19.0% | -32.5% | ||
| Q1 24 | 8.8% | -17.9% |
| Q4 25 | $0.03 | $-0.14 | ||
| Q3 25 | $0.04 | $-0.07 | ||
| Q2 25 | $0.06 | $-0.06 | ||
| Q1 25 | $0.05 | $-0.03 | ||
| Q4 24 | $0.02 | $-0.05 | ||
| Q3 24 | $0.10 | $-0.04 | ||
| Q2 24 | $0.05 | $-0.06 | ||
| Q1 24 | $0.02 | $-0.04 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $7.4M | $12.4M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $46.5M | $21.6M |
| Total Assets | $64.1M | $37.0M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $7.4M | $12.4M | ||
| Q3 25 | $7.5M | $15.3M | ||
| Q2 25 | $7.5M | $1.6M | ||
| Q1 25 | $7.2M | $4.1M | ||
| Q4 24 | $7.2M | $5.4M | ||
| Q3 24 | $6.8M | $1.3M | ||
| Q2 24 | $7.0M | $841.9K | ||
| Q1 24 | $6.7M | $1.5M |
| Q4 25 | $46.5M | $21.6M | ||
| Q3 25 | $46.9M | $25.5M | ||
| Q2 25 | $47.2M | $9.1M | ||
| Q1 25 | $47.3M | $9.6M | ||
| Q4 24 | $47.4M | $10.2M | ||
| Q3 24 | $48.1M | $11.3M | ||
| Q2 24 | $47.6M | $12.2M | ||
| Q1 24 | $47.8M | $13.7M |
| Q4 25 | $64.1M | $37.0M | ||
| Q3 25 | $64.8M | $41.5M | ||
| Q2 25 | $65.0M | $28.4M | ||
| Q1 25 | $65.1M | $29.7M | ||
| Q4 24 | $65.5M | $31.1M | ||
| Q3 24 | $66.3M | $27.5M | ||
| Q2 24 | $66.0M | $27.2M | ||
| Q1 24 | $66.1M | $28.5M |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $4.5M | $-2.6M |
| Free Cash FlowOCF − Capex | — | $-2.6M |
| FCF MarginFCF / Revenue | — | -49.3% |
| Capex IntensityCapex / Revenue | — | 0.9% |
| Cash ConversionOCF / Net Profit | 13.86× | — |
| TTM Free Cash FlowTrailing 4 quarters | — | $-10.3M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $4.5M | $-2.6M | ||
| Q3 25 | $1.0M | $-3.6M | ||
| Q2 25 | $1.3M | $-2.6M | ||
| Q1 25 | $1.1M | $-1.2M | ||
| Q4 24 | $4.3M | $4.2M | ||
| Q3 24 | $1.0M | $-207.3K | ||
| Q2 24 | $1.2M | $-157.9K | ||
| Q1 24 | $797.0K | $248.2K |
| Q4 25 | — | $-2.6M | ||
| Q3 25 | — | $-3.6M | ||
| Q2 25 | — | $-2.7M | ||
| Q1 25 | — | $-1.3M | ||
| Q4 24 | — | $4.0M | ||
| Q3 24 | — | $-489.6K | ||
| Q2 24 | — | $-609.6K | ||
| Q1 24 | — | $143.3K |
| Q4 25 | — | -49.3% | ||
| Q3 25 | — | -50.6% | ||
| Q2 25 | — | -37.7% | ||
| Q1 25 | — | -17.9% | ||
| Q4 24 | — | 66.6% | ||
| Q3 24 | — | -8.7% | ||
| Q2 24 | — | -12.9% | ||
| Q1 24 | — | 2.3% |
| Q4 25 | — | 0.9% | ||
| Q3 25 | — | 1.0% | ||
| Q2 25 | — | 2.0% | ||
| Q1 25 | — | 1.8% | ||
| Q4 24 | — | 2.1% | ||
| Q3 24 | — | 5.0% | ||
| Q2 24 | — | 9.6% | ||
| Q1 24 | — | 1.7% |
| Q4 25 | 13.86× | — | ||
| Q3 25 | 2.10× | — | ||
| 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.
Revenue Breakdown by Segment
SELF
Segment breakdown not available.
TGEN
| Installation Services | $4.5M | 84% |
| Products Segment | $460.5K | 9% |
| Other | $394.7K | 7% |
