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Side-by-side financial comparison of NLIGHT, INC. (LASR) and Mirum Pharmaceuticals, Inc. (MIRM). Click either name above to swap in a different company.

Mirum Pharmaceuticals, Inc. is the larger business by last-quarter revenue ($148.9M vs $81.2M, roughly 1.8× NLIGHT, INC.). Mirum Pharmaceuticals, Inc. runs the higher net margin — -3.8% vs -6.0%, a 2.2% gap on every dollar of revenue. On growth, NLIGHT, INC. posted the faster year-over-year revenue change (71.3% vs 49.8%). NLIGHT, INC. produced more free cash flow last quarter ($15.9M vs $5.5M). Over the past eight quarters, Mirum Pharmaceuticals, Inc.'s revenue compounded faster (46.7% CAGR vs 35.0%).

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.

Mirum Pharmaceuticals, Inc. is a late-stage biopharmaceutical company focused on developing and commercializing innovative therapies for patients with rare, debilitating liver diseases that have high unmet medical needs, serving both pediatric and adult patient groups across North America, Europe and other global regions.

LASR vs MIRM — Head-to-Head

Bigger by revenue
MIRM
MIRM
1.8× larger
MIRM
$148.9M
$81.2M
LASR
Growing faster (revenue YoY)
LASR
LASR
+21.5% gap
LASR
71.3%
49.8%
MIRM
Higher net margin
MIRM
MIRM
2.2% more per $
MIRM
-3.8%
-6.0%
LASR
More free cash flow
LASR
LASR
$10.5M more FCF
LASR
$15.9M
$5.5M
MIRM
Faster 2-yr revenue CAGR
MIRM
MIRM
Annualised
MIRM
46.7%
35.0%
LASR

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
LASR
LASR
MIRM
MIRM
Revenue
$81.2M
$148.9M
Net Profit
$-4.9M
$-5.7M
Gross Margin
30.7%
Operating Margin
-6.7%
-3.1%
Net Margin
-6.0%
-3.8%
Revenue YoY
71.3%
49.8%
Net Profit YoY
80.3%
75.9%
EPS (diluted)
$-0.10
$-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.

Revenue
LASR
LASR
MIRM
MIRM
Q4 25
$81.2M
$148.9M
Q3 25
$66.7M
$133.0M
Q2 25
$61.7M
$127.8M
Q1 25
$51.7M
$111.6M
Q4 24
$47.4M
$99.4M
Q3 24
$56.1M
$90.4M
Q2 24
$50.5M
$77.9M
Q1 24
$44.5M
$69.2M
Net Profit
LASR
LASR
MIRM
MIRM
Q4 25
$-4.9M
$-5.7M
Q3 25
$-6.9M
$2.9M
Q2 25
$-3.6M
$-5.9M
Q1 25
$-8.1M
$-14.7M
Q4 24
$-25.0M
$-23.8M
Q3 24
$-10.3M
$-14.2M
Q2 24
$-11.7M
$-24.6M
Q1 24
$-13.8M
$-25.3M
Gross Margin
LASR
LASR
MIRM
MIRM
Q4 25
30.7%
Q3 25
31.1%
Q2 25
29.9%
Q1 25
26.7%
Q4 24
2.4%
Q3 24
22.4%
Q2 24
23.5%
Q1 24
16.8%
Operating Margin
LASR
LASR
MIRM
MIRM
Q4 25
-6.7%
-3.1%
Q3 25
-10.9%
2.0%
Q2 25
-6.9%
-3.9%
Q1 25
-18.6%
-13.6%
Q4 24
-55.8%
-24.4%
Q3 24
-21.0%
-14.0%
Q2 24
-25.1%
-31.1%
Q1 24
-33.1%
-38.2%
Net Margin
LASR
LASR
MIRM
MIRM
Q4 25
-6.0%
-3.8%
Q3 25
-10.3%
2.2%
Q2 25
-5.8%
-4.6%
Q1 25
-15.7%
-13.2%
Q4 24
-52.7%
-23.9%
Q3 24
-18.4%
-15.8%
Q2 24
-23.2%
-31.6%
Q1 24
-30.9%
-36.5%
EPS (diluted)
LASR
LASR
MIRM
MIRM
Q4 25
$-0.10
$-0.10
Q3 25
$-0.14
$0.05
Q2 25
$-0.07
$-0.12
Q1 25
$-0.16
$-0.30
Q4 24
$-0.52
$-0.49
Q3 24
$-0.21
$-0.30
Q2 24
$-0.25
$-0.52
Q1 24
$-0.29
$-0.54

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
LASR
LASR
MIRM
MIRM
Cash + ST InvestmentsLiquidity on hand
$98.7M
$383.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$226.7M
$314.7M
Total Assets
$315.2M
$842.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
LASR
LASR
MIRM
MIRM
Q4 25
$98.7M
$383.3M
Q3 25
$81.1M
$375.5M
Q2 25
$78.8M
$304.6M
Q1 25
$82.2M
$277.7M
Q4 24
$65.8M
$280.3M
Q3 24
$41.5M
$284.4M
Q2 24
$49.4M
$278.4M
Q1 24
$61.3M
$302.8M
Stockholders' Equity
LASR
LASR
MIRM
MIRM
Q4 25
$226.7M
$314.7M
Q3 25
$218.5M
$292.0M
Q2 25
$216.0M
$255.2M
Q1 25
$212.8M
$233.3M
Q4 24
$216.4M
$225.6M
Q3 24
$235.3M
$232.0M
Q2 24
$239.5M
$229.0M
Q1 24
$244.4M
$234.6M
Total Assets
LASR
LASR
MIRM
MIRM
Q4 25
$315.2M
$842.8M
Q3 25
$298.7M
$785.1M
Q2 25
$295.3M
$725.8M
Q1 25
$290.0M
$690.2M
Q4 24
$270.2M
$670.8M
Q3 24
$291.3M
$667.9M
Q2 24
$294.3M
$660.8M
Q1 24
$302.8M
$652.0M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
LASR
LASR
MIRM
MIRM
Operating Cash FlowLast quarter
$17.5M
$6.1M
Free Cash FlowOCF − Capex
$15.9M
$5.5M
FCF MarginFCF / Revenue
19.6%
3.7%
Capex IntensityCapex / Revenue
2.0%
0.4%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$12.3M
$54.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
LASR
LASR
MIRM
MIRM
Q4 25
$17.5M
$6.1M
Q3 25
$5.2M
$39.7M
Q2 25
$-1.4M
$12.0M
Q1 25
$-20.0K
$-2.0M
Q4 24
$-3.9M
$-5.1M
Q3 24
$-5.6M
$4.0M
Q2 24
$-4.2M
$-3.8M
Q1 24
$11.4M
$15.2M
Free Cash Flow
LASR
LASR
MIRM
MIRM
Q4 25
$15.9M
$5.5M
Q3 25
$2.4M
$39.5M
Q2 25
$-3.8M
$11.9M
Q1 25
$-2.3M
$-2.0M
Q4 24
$-6.5M
$-5.1M
Q3 24
$-7.2M
$3.8M
Q2 24
$-6.4M
$-4.6M
Q1 24
$9.8M
$15.2M
FCF Margin
LASR
LASR
MIRM
MIRM
Q4 25
19.6%
3.7%
Q3 25
3.7%
29.7%
Q2 25
-6.1%
9.3%
Q1 25
-4.5%
-1.8%
Q4 24
-13.7%
-5.1%
Q3 24
-12.9%
4.2%
Q2 24
-12.6%
-5.9%
Q1 24
22.1%
22.0%
Capex Intensity
LASR
LASR
MIRM
MIRM
Q4 25
2.0%
0.4%
Q3 25
4.2%
0.1%
Q2 25
3.9%
0.1%
Q1 25
4.4%
0.0%
Q4 24
5.5%
0.0%
Q3 24
2.9%
0.2%
Q2 24
4.2%
1.0%
Q1 24
3.5%
0.0%
Cash Conversion
LASR
LASR
MIRM
MIRM
Q4 25
Q3 25
13.66×
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

LASR
LASR

Aerospaceand Defense$56.3M69%
Microfabrication$14.2M18%
Industrial$10.7M13%

MIRM
MIRM

Livmarli$106.4M71%
Bile Acid Medicines$42.5M29%

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