vs
Side-by-side financial comparison of AEMETIS, INC (AMTX) and Spok Holdings, Inc (SPOK). Click either name above to swap in a different company.
AEMETIS, INC is the larger business by last-quarter revenue ($43.3M vs $33.9M, roughly 1.3× Spok Holdings, Inc). On growth, Spok Holdings, Inc posted the faster year-over-year revenue change (-0.1% vs -7.9%). Spok Holdings, Inc produced more free cash flow last quarter ($10.1M vs $-10.8M). Over the past eight quarters, Spok Holdings, Inc's revenue compounded faster (-1.5% CAGR vs -22.8%).
Aemetis, Inc. is a renewable fuels and sustainable biochemicals producer operating across North America and India. Its core products include low-carbon ethanol, renewable natural gas and biodiesel, serving transportation, industrial and agricultural sectors with decarbonization solutions for commercial clients.
Spok Holdings, Inc. is a global provider of critical communication solutions primarily serving the healthcare industry. It offers unified clinical communication platforms, secure messaging tools, alerting systems, and on-call scheduling software that help care teams coordinate efficiently, cut response times, and boost patient safety across medical facilities.
AMTX vs SPOK — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $43.3M | $33.9M |
| Net Profit | — | $2.9M |
| Gross Margin | 17.8% | 76.7% |
| Operating Margin | -5.7% | 11.6% |
| Net Margin | — | 8.7% |
| Revenue YoY | -7.9% | -0.1% |
| Net Profit YoY | — | -19.6% |
| EPS (diluted) | $-0.03 | $0.13 |
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 | $43.3M | $33.9M | ||
| Q3 25 | $59.2M | $33.9M | ||
| Q2 25 | $52.2M | $35.7M | ||
| Q1 25 | $42.9M | $36.3M | ||
| Q4 24 | $47.0M | $33.9M | ||
| Q3 24 | $81.4M | $34.9M | ||
| Q2 24 | $66.6M | $34.0M | ||
| Q1 24 | $72.6M | $34.9M |
| Q4 25 | — | $2.9M | ||
| Q3 25 | $-23.7M | $3.2M | ||
| Q2 25 | $-23.4M | $4.6M | ||
| Q1 25 | $-24.5M | $5.2M | ||
| Q4 24 | — | $3.6M | ||
| Q3 24 | $-17.9M | $3.7M | ||
| Q2 24 | $-29.2M | $3.4M | ||
| Q1 24 | $-24.2M | $4.2M |
| Q4 25 | 17.8% | 76.7% | ||
| Q3 25 | -0.1% | 78.3% | ||
| Q2 25 | -6.4% | 79.5% | ||
| Q1 25 | -11.8% | 80.1% | ||
| Q4 24 | -4.3% | 78.5% | ||
| Q3 24 | 4.8% | 79.5% | ||
| Q2 24 | -2.7% | 78.9% | ||
| Q1 24 | -0.8% | 79.5% |
| Q4 25 | -5.7% | 11.6% | ||
| Q3 25 | -14.4% | 12.9% | ||
| Q2 25 | -20.4% | 15.1% | ||
| Q1 25 | -36.3% | 16.6% | ||
| Q4 24 | -28.7% | 13.7% | ||
| Q3 24 | -4.8% | 14.2% | ||
| Q2 24 | -20.4% | 13.2% | ||
| Q1 24 | -13.0% | 14.0% |
| Q4 25 | — | 8.7% | ||
| Q3 25 | -40.1% | 9.5% | ||
| Q2 25 | -44.8% | 12.8% | ||
| Q1 25 | -57.2% | 14.3% | ||
| Q4 24 | — | 10.8% | ||
| Q3 24 | -22.0% | 10.5% | ||
| Q2 24 | -43.8% | 10.1% | ||
| Q1 24 | -33.4% | 12.1% |
| Q4 25 | $-0.03 | $0.13 | ||
| Q3 25 | $-0.37 | $0.15 | ||
| Q2 25 | $-0.41 | $0.22 | ||
| Q1 25 | $-0.47 | $0.25 | ||
| Q4 24 | $-0.29 | $0.17 | ||
| Q3 24 | $-0.38 | $0.18 | ||
| Q2 24 | $-0.66 | $0.17 | ||
| Q1 24 | $-0.58 | $0.21 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $4.9M | $25.3M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $-306.8M | $146.4M |
| Total Assets | $259.8M | $206.1M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $4.9M | $25.3M | ||
| Q3 25 | $5.6M | $21.4M | ||
| Q2 25 | $1.6M | $20.2M | ||
| Q1 25 | $499.0K | $19.9M | ||
| Q4 24 | $898.0K | $29.1M | ||
| Q3 24 | $296.0K | $27.8M | ||
| Q2 24 | $234.0K | $23.9M | ||
| Q1 24 | $1.6M | $23.3M |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | $338.1M | — | ||
| Q3 24 | $322.2M | — | ||
| Q2 24 | $309.0M | — | ||
| Q1 24 | $307.2M | — |
| Q4 25 | $-306.8M | $146.4M | ||
| Q3 25 | $-304.9M | $148.7M | ||
| Q2 25 | $-289.3M | $150.9M | ||
| Q1 25 | $-280.7M | $151.7M | ||
| Q4 24 | $-263.9M | $154.7M | ||
| Q3 24 | $-258.9M | $156.3M | ||
| Q2 24 | $-249.0M | $158.2M | ||
| Q1 24 | $-232.1M | $160.2M |
| Q4 25 | $259.8M | $206.1M | ||
| Q3 25 | $241.1M | $209.7M | ||
| Q2 25 | $240.0M | $208.7M | ||
| Q1 25 | $242.5M | $204.5M | ||
| Q4 24 | $259.3M | $217.1M | ||
| Q3 24 | $259.3M | $216.8M | ||
| Q2 24 | $259.3M | $216.4M | ||
| Q1 24 | $259.3M | $215.0M |
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 | $5.8M | $11.5M |
| Free Cash FlowOCF − Capex | $-10.8M | $10.1M |
| FCF MarginFCF / Revenue | -24.9% | 29.9% |
| Capex IntensityCapex / Revenue | 38.2% | 4.1% |
| Cash ConversionOCF / Net Profit | — | 3.93× |
| TTM Free Cash FlowTrailing 4 quarters | $-22.7M | $25.2M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $5.8M | $11.5M | ||
| Q3 25 | $3.1M | $8.1M | ||
| Q2 25 | $-5.7M | $7.0M | ||
| Q1 25 | $160.0K | $2.3M | ||
| Q4 24 | $-12.6M | $8.4M | ||
| Q3 24 | $-5.0M | $11.1M | ||
| Q2 24 | $-5.1M | $7.4M | ||
| Q1 24 | $-10.3M | $2.0M |
| Q4 25 | $-10.8M | $10.1M | ||
| Q3 25 | $-1.0M | $7.6M | ||
| Q2 25 | $-9.3M | $6.0M | ||
| Q1 25 | $-1.7M | $1.5M | ||
| Q4 24 | $-19.4M | $7.5M | ||
| Q3 24 | $-9.5M | $10.3M | ||
| Q2 24 | $-10.5M | $6.8M | ||
| Q1 24 | $-13.9M | $1.1M |
| Q4 25 | -24.9% | 29.9% | ||
| Q3 25 | -1.7% | 22.4% | ||
| Q2 25 | -17.7% | 16.8% | ||
| Q1 25 | -3.9% | 4.2% | ||
| Q4 24 | -41.2% | 22.3% | ||
| Q3 24 | -11.6% | 29.4% | ||
| Q2 24 | -15.8% | 20.0% | ||
| Q1 24 | -19.1% | 3.2% |
| Q4 25 | 38.2% | 4.1% | ||
| Q3 25 | 6.9% | 1.6% | ||
| Q2 25 | 6.7% | 2.9% | ||
| Q1 25 | 4.3% | 2.1% | ||
| Q4 24 | 14.4% | 2.5% | ||
| Q3 24 | 5.5% | 2.4% | ||
| Q2 24 | 8.1% | 1.9% | ||
| Q1 24 | 4.9% | 2.5% |
| Q4 25 | — | 3.93× | ||
| Q3 25 | — | 2.54× | ||
| Q2 25 | — | 1.55× | ||
| Q1 25 | — | 0.43× | ||
| Q4 24 | — | 2.31× | ||
| Q3 24 | — | 3.03× | ||
| Q2 24 | — | 2.17× | ||
| Q1 24 | — | 0.47× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
AMTX
| Ethanol Sales | $28.8M | 66% |
| Wet Distillers Grains | $6.8M | 16% |
| California Dairy Renewable Natural Gas | $5.2M | 12% |
| Other | $1.8M | 4% |
SPOK
| Paging | $16.8M | 50% |
| Software Operations | $16.0M | 47% |
| License | $1.2M | 4% |
