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

LIGHTPATH TECHNOLOGIES INC is the larger business by last-quarter revenue ($16.4M vs $8.3M, roughly 2.0× QT IMAGING HOLDINGS, INC.). QT IMAGING HOLDINGS, INC. runs the higher net margin — -16.8% vs -57.5%, a 40.7% gap on every dollar of revenue. On growth, QT IMAGING HOLDINGS, INC. posted the faster year-over-year revenue change (877.2% vs 120.2%).

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.

QT Imaging Holdings, Inc. is a medical technology company that designs, manufactures and commercializes non-invasive medical imaging systems primarily for breast health diagnostics. It serves healthcare providers, clinics and medical institutions across key markets including North America, Europe and Asia-Pacific, focusing on improving the accuracy and accessibility of diagnostic imaging for patients.

LPTH vs QTI — Head-to-Head

Bigger by revenue
LPTH
LPTH
2.0× larger
LPTH
$16.4M
$8.3M
QTI
Growing faster (revenue YoY)
QTI
QTI
+757.0% gap
QTI
877.2%
120.2%
LPTH
Higher net margin
QTI
QTI
40.7% more per $
QTI
-16.8%
-57.5%
LPTH

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
LPTH
LPTH
QTI
QTI
Revenue
$16.4M
$8.3M
Net Profit
$-9.4M
$-1.4M
Gross Margin
36.8%
38.0%
Operating Margin
-52.6%
-8.5%
Net Margin
-57.5%
-16.8%
Revenue YoY
120.2%
877.2%
Net Profit YoY
-260.1%
60.2%
EPS (diluted)
$-0.20
$-1.00

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
LPTH
LPTH
QTI
QTI
Q4 25
$16.4M
$8.3M
Q3 25
$15.1M
$4.2M
Q2 25
$12.2M
$3.7M
Q1 25
$9.2M
$2.8M
Q4 24
$7.4M
Q3 24
$8.4M
Q2 24
$8.6M
$1.7M
Q1 24
$7.7M
$1.4M
Net Profit
LPTH
LPTH
QTI
QTI
Q4 25
$-9.4M
$-1.4M
Q3 25
$-2.9M
$-4.6M
Q2 25
$-7.1M
$-4.0M
Q1 25
$-3.6M
$-11.1M
Q4 24
$-2.6M
Q3 24
$-1.6M
Q2 24
$-2.4M
$-1.2M
Q1 24
$-2.6M
$-628.6K
Gross Margin
LPTH
LPTH
QTI
QTI
Q4 25
36.8%
38.0%
Q3 25
29.8%
43.0%
Q2 25
22.0%
49.9%
Q1 25
29.1%
64.7%
Q4 24
26.0%
Q3 24
33.9%
Q2 24
29.2%
51.0%
Q1 24
20.9%
55.8%
Operating Margin
LPTH
LPTH
QTI
QTI
Q4 25
-52.6%
-8.5%
Q3 25
-16.6%
-39.4%
Q2 25
-38.0%
-28.5%
Q1 25
-36.3%
-37.2%
Q4 24
-33.5%
Q3 24
-16.4%
Q2 24
-25.6%
-129.5%
Q1 24
-33.6%
-409.5%
Net Margin
LPTH
LPTH
QTI
QTI
Q4 25
-57.5%
-16.8%
Q3 25
-19.2%
-108.7%
Q2 25
-57.8%
-109.3%
Q1 25
-39.1%
-397.9%
Q4 24
-35.2%
Q3 24
-19.3%
Q2 24
-27.3%
-72.9%
Q1 24
-33.7%
-46.1%
EPS (diluted)
LPTH
LPTH
QTI
QTI
Q4 25
$-0.20
$-1.00
Q3 25
$-0.07
$-0.47
Q2 25
$0.19
$-0.14
Q1 25
$-0.44
$-0.40
Q4 24
$-0.07
Q3 24
$-0.04
Q2 24
$-0.15
$-0.30
Q1 24
$-0.07
$-0.05

Balance Sheet & Financial Strength

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

Metric
LPTH
LPTH
QTI
QTI
Cash + ST InvestmentsLiquidity on hand
$73.6M
$10.4M
Total DebtLower is stronger
$10.1M
Stockholders' EquityBook value
$77.9M
$6.4M
Total Assets
$148.6M
$23.0M
Debt / EquityLower = less leverage
1.57×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
LPTH
LPTH
QTI
QTI
Q4 25
$73.6M
$10.4M
Q3 25
Q2 25
$4.9M
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Total Debt
LPTH
LPTH
QTI
QTI
Q4 25
$10.1M
Q3 25
$15.1M
Q2 25
$10.1M
Q1 25
$10.2M
Q4 24
Q3 24
Q2 24
$535.0K
$11.7M
Q1 24
$599.4K
$11.7M
Stockholders' Equity
LPTH
LPTH
QTI
QTI
Q4 25
$77.9M
$6.4M
Q3 25
$21.4M
$-9.1M
Q2 25
$15.6M
$-324.3K
Q1 25
$15.7M
$-20.2M
Q4 24
$26.7M
Q3 24
$29.4M
Q2 24
$30.2M
$-6.2M
Q1 24
$31.7M
$-4.9M
Total Assets
LPTH
LPTH
QTI
QTI
Q4 25
$148.6M
$23.0M
Q3 25
$87.3M
$12.1M
Q2 25
$81.5M
$11.6M
Q1 25
$81.4M
$10.9M
Q4 24
$45.8M
Q3 24
$48.4M
Q2 24
$48.1M
$10.8M
Q1 24
$49.7M
$12.9M
Debt / Equity
LPTH
LPTH
QTI
QTI
Q4 25
1.57×
Q3 25
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
LPTH
LPTH
QTI
QTI
Operating Cash FlowLast quarter
$2.8M
$-3.1M
Free Cash FlowOCF − Capex
$2.0M
FCF MarginFCF / Revenue
12.0%
Capex IntensityCapex / Revenue
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
LPTH
LPTH
QTI
QTI
Q4 25
$2.8M
$-3.1M
Q3 25
$-1.1M
$-878.8K
Q2 25
$-2.6M
$-1.4M
Q1 25
$-3.2M
$-3.5M
Q4 24
$-737.4K
Q3 24
$-1.7M
Q2 24
$64.7K
$-979.6K
Q1 24
$-394.2K
$-6.0M
Free Cash Flow
LPTH
LPTH
QTI
QTI
Q4 25
$2.0M
Q3 25
$-1.2M
Q2 25
$-3.3M
Q1 25
$-3.7M
Q4 24
$-817.8K
Q3 24
$-1.8M
Q2 24
$-225.5K
Q1 24
$-802.5K
FCF Margin
LPTH
LPTH
QTI
QTI
Q4 25
12.0%
Q3 25
-8.1%
Q2 25
-27.3%
Q1 25
-40.0%
Q4 24
-11.0%
Q3 24
-21.2%
Q2 24
-2.6%
Q1 24
-10.4%
Capex Intensity
LPTH
LPTH
QTI
QTI
Q4 25
5.3%
Q3 25
0.5%
0.0%
Q2 25
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

LPTH
LPTH

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

QTI
QTI

Segment breakdown not available.

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