vs
Side-by-side financial comparison of KOPIN CORP (KOPN) and Spero Therapeutics, Inc. (SPRO). Click either name above to swap in a different company.
Spero Therapeutics, Inc. is the larger business by last-quarter revenue ($12.6M vs $8.4M, roughly 1.5× KOPIN CORP). Spero Therapeutics, Inc. runs the higher net margin — 250.7% vs 81.3%, a 169.3% gap on every dollar of revenue. On growth, Spero Therapeutics, Inc. posted the faster year-over-year revenue change (24080.8% vs -42.9%). Over the past eight quarters, Spero Therapeutics, Inc.'s revenue compounded faster (847.7% CAGR vs -8.7%).
The Kopin Corporation is a Westborough, Massachusetts-based electronics manufacturer, best known for its microdisplay devices and application specific optical solutions for defense, enterprise, medical and consumer mobile electronics.
KOPN vs SPRO — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $8.4M | $12.6M |
| Net Profit | $6.8M | $31.5M |
| Gross Margin | — | — |
| Operating Margin | -60.0% | — |
| Net Margin | 81.3% | 250.7% |
| Revenue YoY | -42.9% | 24080.8% |
| Net Profit YoY | 449.5% | 250.9% |
| EPS (diluted) | $0.04 | $0.56 |
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 | $8.4M | $12.6M | ||
| Q3 25 | $12.0M | $0 | ||
| Q2 25 | $8.5M | $0 | ||
| Q1 25 | $10.5M | $12.0K | ||
| Q4 24 | $14.6M | $52.0K | ||
| Q3 24 | $13.3M | $65.0K | ||
| Q2 24 | $12.3M | $114.0K | ||
| Q1 24 | $10.0M | $140.0K |
| Q4 25 | $6.8M | $31.5M | ||
| Q3 25 | $4.1M | $-7.4M | ||
| Q2 25 | $-5.2M | $-1.7M | ||
| Q1 25 | $-3.1M | $-13.9M | ||
| Q4 24 | $-1.9M | — | ||
| Q3 24 | $-3.5M | $-17.1M | ||
| Q2 24 | $-5.9M | $-17.9M | ||
| Q1 24 | $-32.5M | $-12.7M |
| Q4 25 | -60.0% | — | ||
| Q3 25 | 37.9% | — | ||
| Q2 25 | -64.6% | — | ||
| Q1 25 | -37.1% | -122758.3% | ||
| Q4 24 | -15.1% | — | ||
| Q3 24 | -21.0% | -28604.6% | ||
| Q2 24 | -44.2% | -16720.2% | ||
| Q1 24 | -325.4% | -9987.1% |
| Q4 25 | 81.3% | 250.7% | ||
| Q3 25 | 34.1% | — | ||
| Q2 25 | -61.1% | — | ||
| Q1 25 | -29.5% | -115550.0% | ||
| Q4 24 | -13.3% | — | ||
| Q3 24 | -26.0% | -26380.0% | ||
| Q2 24 | -48.0% | -15668.4% | ||
| Q1 24 | -324.4% | -9049.3% |
| Q4 25 | $0.04 | $0.56 | ||
| Q3 25 | $0.02 | $-0.13 | ||
| Q2 25 | $-0.03 | $-0.03 | ||
| Q1 25 | $-0.02 | $-0.25 | ||
| Q4 24 | $0.02 | — | ||
| Q3 24 | $-0.03 | $-0.32 | ||
| Q2 24 | $-0.05 | $-0.33 | ||
| Q1 24 | $-0.27 | $-0.24 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $36.4M | $40.3M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $64.1M | $59.0M |
| Total Assets | $108.4M | $68.9M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $36.4M | $40.3M | ||
| Q3 25 | $26.5M | $48.6M | ||
| Q2 25 | $26.8M | $31.2M | ||
| Q1 25 | $31.5M | $48.9M | ||
| Q4 24 | $35.6M | $52.9M | ||
| Q3 24 | $36.2M | $76.3M | ||
| Q2 24 | $17.6M | $63.5M | ||
| Q1 24 | $21.1M | $82.3M |
| Q4 25 | $64.1M | $59.0M | ||
| Q3 25 | $21.3M | $26.5M | ||
| Q2 25 | $16.0M | $32.8M | ||
| Q1 25 | $20.7M | $33.8M | ||
| Q4 24 | $23.3M | $46.1M | ||
| Q3 24 | $22.7M | $65.5M | ||
| Q2 24 | $-216.3K | $80.5M | ||
| Q1 24 | $4.9M | $96.2M |
| Q4 25 | $108.4M | $68.9M | ||
| Q3 25 | $61.2M | $54.2M | ||
| Q2 25 | $61.2M | $62.1M | ||
| Q1 25 | $65.0M | $77.7M | ||
| Q4 24 | $70.8M | $110.5M | ||
| Q3 24 | $70.6M | $135.2M | ||
| Q2 24 | $49.0M | $149.9M | ||
| Q1 24 | $51.3M | $167.7M |
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 | $-7.9M | $-8.4M |
| Free Cash FlowOCF − Capex | — | — |
| FCF MarginFCF / Revenue | — | — |
| Capex IntensityCapex / Revenue | — | — |
| Cash ConversionOCF / Net Profit | -1.15× | -0.26× |
| TTM Free Cash FlowTrailing 4 quarters | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-7.9M | $-8.4M | ||
| Q3 25 | $-110.4K | $17.4M | ||
| Q2 25 | $-4.2M | $-17.7M | ||
| Q1 25 | $-3.4M | $-4.0M | ||
| Q4 24 | $-1.6M | $-23.4M | ||
| Q3 24 | $-6.5M | $12.8M | ||
| Q2 24 | $-3.1M | $-18.7M | ||
| Q1 24 | $-3.1M | $5.9M |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | $-4.9M | — | ||
| Q1 25 | $-3.9M | — | ||
| Q4 24 | $-2.1M | — | ||
| Q3 24 | $-6.5M | — | ||
| Q2 24 | $-3.1M | — | ||
| Q1 24 | $-3.4M | — |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | -57.9% | — | ||
| Q1 25 | -37.1% | — | ||
| Q4 24 | -14.2% | — | ||
| Q3 24 | -48.6% | — | ||
| Q2 24 | -25.5% | — | ||
| Q1 24 | -33.4% | — |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | 8.7% | — | ||
| Q1 25 | 4.7% | — | ||
| Q4 24 | 3.4% | — | ||
| Q3 24 | 0.1% | — | ||
| Q2 24 | 0.5% | — | ||
| Q1 24 | 2.4% | — |
| Q4 25 | -1.15× | -0.26× | ||
| Q3 25 | -0.03× | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
KOPN
| Net Product Revenues | $5.6M | 67% |
| Other | $2.7M | 33% |
SPRO
Segment breakdown not available.
