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Side-by-side financial comparison of Firefly Aerospace Inc. (FLY) and NLIGHT, INC. (LASR). Click either name above to swap in a different company.
NLIGHT, INC. is the larger business by last-quarter revenue ($81.2M vs $30.8M, roughly 2.6× Firefly Aerospace Inc.). NLIGHT, INC. runs the higher net margin — -6.0% vs -433.5%, a 427.4% gap on every dollar of revenue. On growth, NLIGHT, INC. posted the faster year-over-year revenue change (71.3% vs 37.6%). NLIGHT, INC. produced more free cash flow last quarter ($15.9M vs $-62.0M).
Firefly Aerospace, Inc. (Firefly) is an American aerospace firm based in Cedar Park, Texas. Firefly develops small- and medium-lift launch vehicles for commercial launches to orbit. Firefly's stated purpose is to increase access to space, similar to other private spaceflight companies.
nLight Inc. is a global developer and manufacturer of high-performance semiconductor lasers, fiber lasers, and related optical components. Its products serve key segments including industrial precision manufacturing, aerospace and defense, medical equipment, and advanced research, with customers across North America, Europe, and Asia Pacific.
FLY vs LASR — Head-to-Head
Income Statement — Q3 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $30.8M | $81.2M |
| Net Profit | $-133.4M | $-4.9M |
| Gross Margin | 27.6% | 30.7% |
| Operating Margin | -202.1% | -6.7% |
| Net Margin | -433.5% | -6.0% |
| Revenue YoY | 37.6% | 71.3% |
| Net Profit YoY | -227.1% | 80.3% |
| EPS (diluted) | $-1.50 | $-0.10 |
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 | — | $81.2M | ||
| Q3 25 | $30.8M | $66.7M | ||
| Q2 25 | $15.5M | $61.7M | ||
| Q1 25 | — | $51.7M | ||
| Q4 24 | — | $47.4M | ||
| Q3 24 | $22.4M | $56.1M | ||
| Q2 24 | $21.1M | $50.5M | ||
| Q1 24 | — | $44.5M |
| Q4 25 | — | $-4.9M | ||
| Q3 25 | $-133.4M | $-6.9M | ||
| Q2 25 | $-63.8M | $-3.6M | ||
| Q1 25 | — | $-8.1M | ||
| Q4 24 | — | $-25.0M | ||
| Q3 24 | $-40.8M | $-10.3M | ||
| Q2 24 | $-53.5M | $-11.7M | ||
| Q1 24 | — | $-13.8M |
| Q4 25 | — | 30.7% | ||
| Q3 25 | 27.6% | 31.1% | ||
| Q2 25 | 25.7% | 29.9% | ||
| Q1 25 | — | 26.7% | ||
| Q4 24 | — | 2.4% | ||
| Q3 24 | 34.7% | 22.4% | ||
| Q2 24 | 14.0% | 23.5% | ||
| Q1 24 | — | 16.8% |
| Q4 25 | — | -6.7% | ||
| Q3 25 | -202.1% | -10.9% | ||
| Q2 25 | -349.5% | -6.9% | ||
| Q1 25 | — | -18.6% | ||
| Q4 24 | — | -55.8% | ||
| Q3 24 | -152.9% | -21.0% | ||
| Q2 24 | -232.1% | -25.1% | ||
| Q1 24 | — | -33.1% |
| Q4 25 | — | -6.0% | ||
| Q3 25 | -433.5% | -10.3% | ||
| Q2 25 | -410.2% | -5.8% | ||
| Q1 25 | — | -15.7% | ||
| Q4 24 | — | -52.7% | ||
| Q3 24 | -182.3% | -18.4% | ||
| Q2 24 | -253.7% | -23.2% | ||
| Q1 24 | — | -30.9% |
| Q4 25 | — | $-0.10 | ||
| Q3 25 | $-1.50 | $-0.14 | ||
| Q2 25 | $-5.78 | $-0.07 | ||
| Q1 25 | — | $-0.16 | ||
| Q4 24 | — | $-0.52 | ||
| Q3 24 | $-3.57 | $-0.21 | ||
| Q2 24 | $-4.60 | $-0.25 | ||
| Q1 24 | — | $-0.29 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $995.2M | $98.7M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $948.8M | $226.7M |
| Total Assets | $1.3B | $315.2M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | — | $98.7M | ||
| Q3 25 | $995.2M | $81.1M | ||
| Q2 25 | $205.3M | $78.8M | ||
| Q1 25 | — | $82.2M | ||
| Q4 24 | — | $65.8M | ||
| Q3 24 | $26.4M | $41.5M | ||
| Q2 24 | $21.9M | $49.4M | ||
| Q1 24 | — | $61.3M |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | $136.1M | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
| Q4 25 | — | $226.7M | ||
| Q3 25 | $948.8M | $218.5M | ||
| Q2 25 | $-918.0M | $216.0M | ||
| Q1 25 | — | $212.8M | ||
| Q4 24 | — | $216.4M | ||
| Q3 24 | $-665.5M | $235.3M | ||
| Q2 24 | $-620.0M | $239.5M | ||
| Q1 24 | — | $244.4M |
| Q4 25 | — | $315.2M | ||
| Q3 25 | $1.3B | $298.7M | ||
| Q2 25 | $466.8M | $295.3M | ||
| Q1 25 | — | $290.0M | ||
| Q4 24 | — | $270.2M | ||
| Q3 24 | — | $291.3M | ||
| Q2 24 | — | $294.3M | ||
| Q1 24 | — | $302.8M |
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 | $-53.0M | $17.5M |
| Free Cash FlowOCF − Capex | $-62.0M | $15.9M |
| FCF MarginFCF / Revenue | -201.3% | 19.6% |
| Capex IntensityCapex / Revenue | 29.0% | 2.0% |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | — | $12.3M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | — | $17.5M | ||
| Q3 25 | $-53.0M | $5.2M | ||
| Q2 25 | — | $-1.4M | ||
| Q1 25 | — | $-20.0K | ||
| Q4 24 | — | $-3.9M | ||
| Q3 24 | — | $-5.6M | ||
| Q2 24 | — | $-4.2M | ||
| Q1 24 | — | $11.4M |
| Q4 25 | — | $15.9M | ||
| Q3 25 | $-62.0M | $2.4M | ||
| Q2 25 | — | $-3.8M | ||
| Q1 25 | — | $-2.3M | ||
| Q4 24 | — | $-6.5M | ||
| Q3 24 | — | $-7.2M | ||
| Q2 24 | — | $-6.4M | ||
| Q1 24 | — | $9.8M |
| Q4 25 | — | 19.6% | ||
| Q3 25 | -201.3% | 3.7% | ||
| Q2 25 | — | -6.1% | ||
| Q1 25 | — | -4.5% | ||
| Q4 24 | — | -13.7% | ||
| Q3 24 | — | -12.9% | ||
| Q2 24 | — | -12.6% | ||
| Q1 24 | — | 22.1% |
| Q4 25 | — | 2.0% | ||
| Q3 25 | 29.0% | 4.2% | ||
| Q2 25 | — | 3.9% | ||
| Q1 25 | — | 4.4% | ||
| Q4 24 | — | 5.5% | ||
| Q3 24 | — | 2.9% | ||
| Q2 24 | — | 4.2% | ||
| Q1 24 | — | 3.5% |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
FLY
| Spacecraft Solutions Revenue | $21.4M | 69% |
| Launch Revenue | $9.4M | 31% |
LASR
| Aerospaceand Defense | $56.3M | 69% |
| Microfabrication | $14.2M | 18% |
| Industrial | $10.7M | 13% |
