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Side-by-side financial comparison of KOSS CORP (KOSS) and MILESTONE SCIENTIFIC INC. (MLSS). Click either name above to swap in a different company.
KOSS CORP is the larger business by last-quarter revenue ($2.9M vs $2.1M, roughly 1.4× MILESTONE SCIENTIFIC INC.). KOSS CORP runs the higher net margin — -19.8% vs -53.0%, a 33.2% gap on every dollar of revenue. On growth, MILESTONE SCIENTIFIC INC. posted the faster year-over-year revenue change (2.2% vs -19.6%). Over the past eight quarters, KOSS CORP's revenue compounded faster (4.2% CAGR vs -4.3%).
Koss Corporation is a company in Milwaukee, Wisconsin, US that manufactures headphones. The company created the first high-fidelity stereo headphones in 1958.
Boston Scientific Corporation (BSC) is an American biotechnology and biomedical engineering firm and multinational manufacturer of medical devices used in interventional medical specialties, including interventional radiology, interventional cardiology, peripheral interventions, neuromodulation, neurovascular intervention, electrophysiology, cardiac surgery, vascular surgery, endoscopy, oncology, urology and gynecology.
KOSS vs MLSS — Head-to-Head
Income Statement — Q2 FY2026 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $2.9M | $2.1M |
| Net Profit | $-565.4K | $-1.1M |
| Gross Margin | 29.0% | 73.0% |
| Operating Margin | -35.5% | -52.5% |
| Net Margin | -19.8% | -53.0% |
| Revenue YoY | -19.6% | 2.2% |
| Net Profit YoY | -700.6% | 46.4% |
| EPS (diluted) | $-0.06 | — |
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 | $2.9M | $2.1M | ||
| Q3 25 | $4.1M | $2.4M | ||
| Q2 25 | $3.1M | $2.3M | ||
| Q1 25 | $2.8M | $2.2M | ||
| Q4 24 | $3.6M | $2.0M | ||
| Q3 24 | $3.2M | $2.5M | ||
| Q2 24 | $2.9M | $1.9M | ||
| Q1 24 | $2.6M | $2.2M |
| Q4 25 | $-565.4K | $-1.1M | ||
| Q3 25 | $243.7K | $-1.2M | ||
| Q2 25 | $-232.7K | $-1.5M | ||
| Q1 25 | $-316.7K | $-2.0M | ||
| Q4 24 | $94.1K | $-2.0M | ||
| Q3 24 | $-419.5K | $-1.5M | ||
| Q2 24 | $-110.4K | $223.6K | ||
| Q1 24 | $-313.8K | $-1.4M |
| Q4 25 | 29.0% | 73.0% | ||
| Q3 25 | 40.0% | 69.5% | ||
| Q2 25 | 36.0% | 69.6% | ||
| Q1 25 | 39.0% | 73.8% | ||
| Q4 24 | 39.5% | 75.0% | ||
| Q3 24 | 36.6% | 73.0% | ||
| Q2 24 | 40.4% | 76.1% | ||
| Q1 24 | 31.9% | 74.5% |
| Q4 25 | -35.5% | -52.5% | ||
| Q3 25 | -1.1% | -48.1% | ||
| Q2 25 | -14.2% | -63.9% | ||
| Q1 25 | -18.7% | -89.5% | ||
| Q4 24 | -4.0% | -101.4% | ||
| Q3 24 | -19.9% | -58.4% | ||
| Q2 24 | -11.0% | -96.0% | ||
| Q1 24 | -23.1% | -65.1% |
| Q4 25 | -19.8% | -53.0% | ||
| Q3 25 | 6.0% | -48.9% | ||
| Q2 25 | -7.5% | -63.8% | ||
| Q1 25 | -11.4% | -89.3% | ||
| Q4 24 | 2.6% | -101.1% | ||
| Q3 24 | -13.1% | -58.1% | ||
| Q2 24 | -3.8% | 12.1% | ||
| Q1 24 | -11.9% | -64.1% |
| Q4 25 | $-0.06 | — | ||
| Q3 25 | $0.03 | $-0.01 | ||
| Q2 25 | $-0.02 | — | ||
| Q1 25 | $-0.03 | — | ||
| Q4 24 | $0.01 | — | ||
| Q3 24 | $-0.05 | $-0.02 | ||
| Q2 24 | $-0.01 | — | ||
| Q1 24 | $-0.03 | — |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $15.5M | $1.1M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $30.3M | $2.8M |
| Total Assets | $36.8M | $7.8M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $15.5M | $1.1M | ||
| Q3 25 | $16.5M | $1.3M | ||
| Q2 25 | $15.7M | $1.3M | ||
| Q1 25 | $13.0M | $2.2M | ||
| Q4 24 | $9.7M | $3.3M | ||
| Q3 24 | $11.9M | $4.8M | ||
| Q2 24 | $14.9M | $5.8M | ||
| Q1 24 | $9.9M | $5.0M |
| Q4 25 | $30.3M | $2.8M | ||
| Q3 25 | $30.9M | $2.5M | ||
| Q2 25 | $30.6M | $3.3M | ||
| Q1 25 | $30.7M | $4.5M | ||
| Q4 24 | $31.0M | $5.8M | ||
| Q3 24 | $30.8M | $7.2M | ||
| Q2 24 | $31.1M | $8.0M | ||
| Q1 24 | $31.1M | $7.5M |
| Q4 25 | $36.8M | $7.8M | ||
| Q3 25 | $37.7M | $8.5M | ||
| Q2 25 | $37.2M | $8.1M | ||
| Q1 25 | $37.3M | $9.1M | ||
| Q4 24 | $37.4M | $9.8M | ||
| Q3 24 | $38.1M | $11.2M | ||
| Q2 24 | $37.2M | $12.0M | ||
| Q1 24 | $37.6M | $11.4M |
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 | $-760.8K | $-226.1K |
| Free Cash FlowOCF − Capex | $-1.1M | — |
| FCF MarginFCF / Revenue | -37.5% | — |
| Capex IntensityCapex / Revenue | 10.9% | — |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | $-546.7K | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-760.8K | $-226.1K | ||
| Q3 25 | $762.6K | $81.8K | ||
| Q2 25 | $-534.9K | $-1.8M | ||
| Q1 25 | $370.4K | $-1.0M | ||
| Q4 24 | $-252.0K | $-1.5M | ||
| Q3 24 | $201.6K | $-973.9K | ||
| Q2 24 | $-174.0K | $783.7K | ||
| Q1 24 | $328.6K | $-1.2M |
| Q4 25 | $-1.1M | — | ||
| Q3 25 | $761.5K | — | ||
| Q2 25 | $-541.8K | — | ||
| Q1 25 | $306.2K | — | ||
| Q4 24 | $-314.3K | — | ||
| Q3 24 | $-155.6K | — | ||
| Q2 24 | $-174.8K | — | ||
| Q1 24 | $269.3K | — |
| Q4 25 | -37.5% | — | ||
| Q3 25 | 18.7% | — | ||
| Q2 25 | -17.6% | — | ||
| Q1 25 | 11.0% | — | ||
| Q4 24 | -8.8% | — | ||
| Q3 24 | -4.9% | — | ||
| Q2 24 | -6.0% | — | ||
| Q1 24 | 10.2% | — |
| Q4 25 | 10.9% | — | ||
| Q3 25 | 0.0% | — | ||
| Q2 25 | 0.2% | — | ||
| Q1 25 | 2.3% | — | ||
| Q4 24 | 1.8% | — | ||
| Q3 24 | 11.2% | — | ||
| Q2 24 | 0.0% | — | ||
| Q1 24 | 2.3% | — |
| Q4 25 | — | — | ||
| Q3 25 | 3.13× | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | -2.68× | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | 3.50× | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
