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Side-by-side financial comparison of CARLSMED, INC. (CARL) and LIGHTPATH TECHNOLOGIES INC (LPTH). Click either name above to swap in a different company.

LIGHTPATH TECHNOLOGIES INC is the larger business by last-quarter revenue ($16.4M vs $13.1M, roughly 1.3× CARLSMED, INC.). LIGHTPATH TECHNOLOGIES INC runs the higher net margin — -57.5% vs -65.2%, a 7.7% gap on every dollar of revenue. LIGHTPATH TECHNOLOGIES INC produced more free cash flow last quarter ($2.0M vs $-8.6M).

LightPath Technologies Inc designs, manufactures and distributes high-precision optical components and assemblies, including aspheric lenses, infrared optics, and fiber optic products. It serves global clients across industrial automation, aerospace, defense, medical imaging, and telecommunications sectors.

CARL vs LPTH — Head-to-Head

Bigger by revenue
LPTH
LPTH
1.3× larger
LPTH
$16.4M
$13.1M
CARL
Higher net margin
LPTH
LPTH
7.7% more per $
LPTH
-57.5%
-65.2%
CARL
More free cash flow
LPTH
LPTH
$10.6M more FCF
LPTH
$2.0M
$-8.6M
CARL

Income Statement — Q3 FY2025 vs Q2 FY2026

Metric
CARL
CARL
LPTH
LPTH
Revenue
$13.1M
$16.4M
Net Profit
$-8.5M
$-9.4M
Gross Margin
75.9%
36.8%
Operating Margin
-69.1%
-52.6%
Net Margin
-65.2%
-57.5%
Revenue YoY
120.2%
Net Profit YoY
-260.1%
EPS (diluted)
$-0.40
$-0.20

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
CARL
CARL
LPTH
LPTH
Q4 25
$16.4M
Q3 25
$13.1M
$15.1M
Q2 25
$12.1M
$12.2M
Q1 25
$9.2M
Q4 24
$7.4M
Q3 24
$8.4M
Q2 24
$8.6M
Q1 24
$7.7M
Net Profit
CARL
CARL
LPTH
LPTH
Q4 25
$-9.4M
Q3 25
$-8.5M
$-2.9M
Q2 25
$-6.8M
$-7.1M
Q1 25
$-3.6M
Q4 24
$-2.6M
Q3 24
$-1.6M
Q2 24
$-2.4M
Q1 24
$-2.6M
Gross Margin
CARL
CARL
LPTH
LPTH
Q4 25
36.8%
Q3 25
75.9%
29.8%
Q2 25
73.4%
22.0%
Q1 25
29.1%
Q4 24
26.0%
Q3 24
33.9%
Q2 24
29.2%
Q1 24
20.9%
Operating Margin
CARL
CARL
LPTH
LPTH
Q4 25
-52.6%
Q3 25
-69.1%
-16.6%
Q2 25
-53.8%
-38.0%
Q1 25
-36.3%
Q4 24
-33.5%
Q3 24
-16.4%
Q2 24
-25.6%
Q1 24
-33.6%
Net Margin
CARL
CARL
LPTH
LPTH
Q4 25
-57.5%
Q3 25
-65.2%
-19.2%
Q2 25
-56.0%
-57.8%
Q1 25
-39.1%
Q4 24
-35.2%
Q3 24
-19.3%
Q2 24
-27.3%
Q1 24
-33.7%
EPS (diluted)
CARL
CARL
LPTH
LPTH
Q4 25
$-0.20
Q3 25
$-0.40
$-0.07
Q2 25
$-1.47
$0.19
Q1 25
$-0.44
Q4 24
$-0.07
Q3 24
$-0.04
Q2 24
$-0.15
Q1 24
$-0.07

Balance Sheet & Financial Strength

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

Metric
CARL
CARL
LPTH
LPTH
Cash + ST InvestmentsLiquidity on hand
$115.4M
$73.6M
Total DebtLower is stronger
$15.4M
Stockholders' EquityBook value
$106.7M
$77.9M
Total Assets
$134.9M
$148.6M
Debt / EquityLower = less leverage
0.14×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CARL
CARL
LPTH
LPTH
Q4 25
$73.6M
Q3 25
$115.4M
Q2 25
$33.5M
$4.9M
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Total Debt
CARL
CARL
LPTH
LPTH
Q4 25
Q3 25
$15.4M
Q2 25
$15.4M
Q1 25
Q4 24
Q3 24
Q2 24
$535.0K
Q1 24
$599.4K
Stockholders' Equity
CARL
CARL
LPTH
LPTH
Q4 25
$77.9M
Q3 25
$106.7M
$21.4M
Q2 25
$-83.1M
$15.6M
Q1 25
$15.7M
Q4 24
$26.7M
Q3 24
$29.4M
Q2 24
$30.2M
Q1 24
$31.7M
Total Assets
CARL
CARL
LPTH
LPTH
Q4 25
$148.6M
Q3 25
$134.9M
$87.3M
Q2 25
$53.3M
$81.5M
Q1 25
$81.4M
Q4 24
$45.8M
Q3 24
$48.4M
Q2 24
$48.1M
Q1 24
$49.7M
Debt / Equity
CARL
CARL
LPTH
LPTH
Q4 25
Q3 25
0.14×
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
0.02×
Q1 24
0.02×

Cash Flow & Capital Efficiency

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

Metric
CARL
CARL
LPTH
LPTH
Operating Cash FlowLast quarter
$-8.5M
$2.8M
Free Cash FlowOCF − Capex
$-8.6M
$2.0M
FCF MarginFCF / Revenue
-65.9%
12.0%
Capex IntensityCapex / Revenue
1.2%
5.3%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-6.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CARL
CARL
LPTH
LPTH
Q4 25
$2.8M
Q3 25
$-8.5M
$-1.1M
Q2 25
$-15.2M
$-2.6M
Q1 25
$-3.2M
Q4 24
$-737.4K
Q3 24
$-1.7M
Q2 24
$64.7K
Q1 24
$-394.2K
Free Cash Flow
CARL
CARL
LPTH
LPTH
Q4 25
$2.0M
Q3 25
$-8.6M
$-1.2M
Q2 25
$-15.6M
$-3.3M
Q1 25
$-3.7M
Q4 24
$-817.8K
Q3 24
$-1.8M
Q2 24
$-225.5K
Q1 24
$-802.5K
FCF Margin
CARL
CARL
LPTH
LPTH
Q4 25
12.0%
Q3 25
-65.9%
-8.1%
Q2 25
-129.2%
-27.3%
Q1 25
-40.0%
Q4 24
-11.0%
Q3 24
-21.2%
Q2 24
-2.6%
Q1 24
-10.4%
Capex Intensity
CARL
CARL
LPTH
LPTH
Q4 25
5.3%
Q3 25
1.2%
0.5%
Q2 25
3.4%
5.6%
Q1 25
4.6%
Q4 24
1.1%
Q3 24
0.9%
Q2 24
3.4%
Q1 24
5.3%

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

CARL
CARL

Segment breakdown not available.

LPTH
LPTH

Other$7.9M48%
Infrared Components$5.0M31%
Visible Components$3.4M21%

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