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Side-by-side financial comparison of Aterian, Inc. (ATER) 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 $15.1M, roughly 1.1× Aterian, Inc.). Aterian, Inc. runs the higher net margin — -52.5% vs -57.5%, a 5.0% gap on every dollar of revenue. On growth, LIGHTPATH TECHNOLOGIES INC posted the faster year-over-year revenue change (120.2% vs -38.5%). LIGHTPATH TECHNOLOGIES INC produced more free cash flow last quarter ($2.0M vs $-1.0M). Over the past eight quarters, LIGHTPATH TECHNOLOGIES INC's revenue compounded faster (45.7% CAGR vs -13.5%).

Aterian, Inc. is a technology-enabled consumer products company that leverages artificial intelligence and data analytics to identify market demand, develop, source and distribute a wide portfolio of affordable goods spanning home improvement, wellness, personal care, pet supplies and outdoor recreation. It primarily sells its products through leading global e-commerce platforms, with core markets covering North America and Europe.

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.

ATER vs LPTH — Head-to-Head

Bigger by revenue
LPTH
LPTH
1.1× larger
LPTH
$16.4M
$15.1M
ATER
Growing faster (revenue YoY)
LPTH
LPTH
+158.7% gap
LPTH
120.2%
-38.5%
ATER
Higher net margin
ATER
ATER
5.0% more per $
ATER
-52.5%
-57.5%
LPTH
More free cash flow
LPTH
LPTH
$3.0M more FCF
LPTH
$2.0M
$-1.0M
ATER
Faster 2-yr revenue CAGR
LPTH
LPTH
Annualised
LPTH
45.7%
-13.5%
ATER

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
ATER
ATER
LPTH
LPTH
Revenue
$15.1M
$16.4M
Net Profit
$-7.9M
$-9.4M
Gross Margin
56.1%
36.8%
Operating Margin
-51.1%
-52.6%
Net Margin
-52.5%
-57.5%
Revenue YoY
-38.5%
120.2%
Net Profit YoY
-512.2%
-260.1%
EPS (diluted)
$-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
ATER
ATER
LPTH
LPTH
Q4 25
$15.1M
$16.4M
Q3 25
$19.0M
$15.1M
Q2 25
$19.5M
$12.2M
Q1 25
$15.4M
$9.2M
Q4 24
$24.6M
$7.4M
Q3 24
$26.2M
$8.4M
Q2 24
$28.0M
$8.6M
Q1 24
$20.2M
$7.7M
Net Profit
ATER
ATER
LPTH
LPTH
Q4 25
$-7.9M
$-9.4M
Q3 25
$-2.3M
$-2.9M
Q2 25
$-4.9M
$-7.1M
Q1 25
$-3.9M
$-3.6M
Q4 24
$-1.3M
$-2.6M
Q3 24
$-1.8M
$-1.6M
Q2 24
$-3.6M
$-2.4M
Q1 24
$-5.2M
$-2.6M
Gross Margin
ATER
ATER
LPTH
LPTH
Q4 25
56.1%
36.8%
Q3 25
56.1%
29.8%
Q2 25
54.3%
22.0%
Q1 25
61.4%
29.1%
Q4 24
63.4%
26.0%
Q3 24
60.3%
33.9%
Q2 24
60.4%
29.2%
Q1 24
65.1%
20.9%
Operating Margin
ATER
ATER
LPTH
LPTH
Q4 25
-51.1%
-52.6%
Q3 25
-10.7%
-16.6%
Q2 25
-23.1%
-38.0%
Q1 25
-24.1%
-36.3%
Q4 24
-6.5%
-33.5%
Q3 24
-6.6%
-16.4%
Q2 24
-11.5%
-25.6%
Q1 24
-26.1%
-33.6%
Net Margin
ATER
ATER
LPTH
LPTH
Q4 25
-52.5%
-57.5%
Q3 25
-12.0%
-19.2%
Q2 25
-25.0%
-57.8%
Q1 25
-25.4%
-39.1%
Q4 24
-5.3%
-35.2%
Q3 24
-6.8%
-19.3%
Q2 24
-13.0%
-27.3%
Q1 24
-25.5%
-33.7%
EPS (diluted)
ATER
ATER
LPTH
LPTH
Q4 25
$-0.20
Q3 25
$-0.07
Q2 25
$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
ATER
ATER
LPTH
LPTH
Cash + ST InvestmentsLiquidity on hand
$4.9M
$73.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$15.2M
$77.9M
Total Assets
$29.6M
$148.6M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATER
ATER
LPTH
LPTH
Q4 25
$4.9M
$73.6M
Q3 25
$7.6M
Q2 25
$10.5M
$4.9M
Q1 25
$14.3M
Q4 24
$18.0M
Q3 24
$16.1M
Q2 24
$20.3M
Q1 24
$17.5M
Total Debt
ATER
ATER
LPTH
LPTH
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
$535.0K
Q1 24
$599.4K
Stockholders' Equity
ATER
ATER
LPTH
LPTH
Q4 25
$15.2M
$77.9M
Q3 25
$22.6M
$21.4M
Q2 25
$24.3M
$15.6M
Q1 25
$27.0M
$15.7M
Q4 24
$30.0M
$26.7M
Q3 24
$30.6M
$29.4M
Q2 24
$30.9M
$30.2M
Q1 24
$33.0M
$31.7M
Total Assets
ATER
ATER
LPTH
LPTH
Q4 25
$29.6M
$148.6M
Q3 25
$40.1M
$87.3M
Q2 25
$45.4M
$81.5M
Q1 25
$49.8M
$81.4M
Q4 24
$49.5M
$45.8M
Q3 24
$52.1M
$48.4M
Q2 24
$59.9M
$48.1M
Q1 24
$55.7M
$49.7M
Debt / Equity
ATER
ATER
LPTH
LPTH
Q4 25
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
ATER
ATER
LPTH
LPTH
Operating Cash FlowLast quarter
$-1.0M
$2.8M
Free Cash FlowOCF − Capex
$-1.0M
$2.0M
FCF MarginFCF / Revenue
-6.9%
12.0%
Capex IntensityCapex / Revenue
0.0%
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
ATER
ATER
LPTH
LPTH
Q4 25
$-1.0M
$2.8M
Q3 25
$-1.6M
$-1.1M
Q2 25
$-4.4M
$-2.6M
Q1 25
$-3.9M
$-3.2M
Q4 24
$-9.0K
$-737.4K
Q3 24
$-722.0K
$-1.7M
Q2 24
$2.9M
$64.7K
Q1 24
$-6.0K
$-394.2K
Free Cash Flow
ATER
ATER
LPTH
LPTH
Q4 25
$-1.0M
$2.0M
Q3 25
$-1.6M
$-1.2M
Q2 25
$-4.4M
$-3.3M
Q1 25
$-3.7M
Q4 24
$-817.8K
Q3 24
$-1.8M
Q2 24
$2.9M
$-225.5K
Q1 24
$-42.0K
$-802.5K
FCF Margin
ATER
ATER
LPTH
LPTH
Q4 25
-6.9%
12.0%
Q3 25
-8.4%
-8.1%
Q2 25
-22.7%
-27.3%
Q1 25
-40.0%
Q4 24
-11.0%
Q3 24
-21.2%
Q2 24
10.3%
-2.6%
Q1 24
-0.2%
-10.4%
Capex Intensity
ATER
ATER
LPTH
LPTH
Q4 25
0.0%
5.3%
Q3 25
0.2%
0.5%
Q2 25
0.0%
5.6%
Q1 25
0.0%
4.6%
Q4 24
0.0%
1.1%
Q3 24
0.0%
0.9%
Q2 24
0.0%
3.4%
Q1 24
0.2%
5.3%

Financial Flow Comparison

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

Revenue Breakdown by Segment

ATER
ATER

Sales Channel Directly To Consumer$13.1M87%
Heating Cooling And Air Quality$2.1M14%

LPTH
LPTH

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

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