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Side-by-side financial comparison of Aeluma, Inc. (ALMU) and Expion360 Inc. (XPON). Click either name above to swap in a different company.

Expion360 Inc. is the larger business by last-quarter revenue ($2.2M vs $1.3M, roughly 1.7× Aeluma, Inc.). Aeluma, Inc. runs the higher net margin — -145.7% vs -199.9%, a 54.2% gap on every dollar of revenue. On growth, Expion360 Inc. posted the faster year-over-year revenue change (11.8% vs -21.1%).

Aeluma, Inc. is a U.S.-headquartered technology firm focused on the design, development, and production of high-performance optoelectronic components and semiconductor products. Its core offerings include photonic sensors and laser diodes, serving the LiDAR, 5G/6G communication, industrial sensing, and automotive markets across North America and the Asia-Pacific region.

Expion360 Inc. is a provider of high-performance lithium iron phosphate (LFP) battery solutions and supporting energy storage products. Its core customer segments cover recreational vehicle owners, marine users, off-grid lifestyle enthusiasts and residential users across the U.S. market, delivering safe, durable and low-carbon energy storage options.

ALMU vs XPON — Head-to-Head

Bigger by revenue
XPON
XPON
1.7× larger
XPON
$2.2M
$1.3M
ALMU
Growing faster (revenue YoY)
XPON
XPON
+32.9% gap
XPON
11.8%
-21.1%
ALMU
Higher net margin
ALMU
ALMU
54.2% more per $
ALMU
-145.7%
-199.9%
XPON

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
ALMU
ALMU
XPON
XPON
Revenue
$1.3M
$2.2M
Net Profit
$-1.9M
$-4.4M
Gross Margin
27.8%
-14.8%
Operating Margin
-163.6%
-234.4%
Net Margin
-145.7%
-199.9%
Revenue YoY
-21.1%
11.8%
Net Profit YoY
36.0%
-1663.2%
EPS (diluted)
$-0.11
$-0.45

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
ALMU
ALMU
XPON
XPON
Q4 25
$1.3M
$2.2M
Q3 25
$1.4M
$2.4M
Q2 25
$3.0M
Q1 25
$2.0M
Q4 24
$2.0M
Q3 24
$1.4M
Q2 24
$1.3M
Q1 24
$971.9K
Net Profit
ALMU
ALMU
XPON
XPON
Q4 25
$-1.9M
$-4.4M
Q3 25
$-1.5M
$722.8K
Q2 25
$-1.4M
Q1 25
$-1.2M
Q4 24
$-251.6K
Q3 24
$-8.8M
Q2 24
$-2.2M
Q1 24
$-2.2M
Gross Margin
ALMU
ALMU
XPON
XPON
Q4 25
27.8%
-14.8%
Q3 25
49.4%
22.7%
Q2 25
20.8%
Q1 25
24.5%
Q4 24
22.1%
Q3 24
12.1%
Q2 24
25.5%
Q1 24
22.9%
Operating Margin
ALMU
ALMU
XPON
XPON
Q4 25
-163.6%
-234.4%
Q3 25
-116.1%
-125.4%
Q2 25
-45.2%
Q1 25
-56.0%
Q4 24
-59.5%
Q3 24
-138.7%
Q2 24
-131.4%
Q1 24
-202.4%
Net Margin
ALMU
ALMU
XPON
XPON
Q4 25
-145.7%
-199.9%
Q3 25
-107.8%
30.2%
Q2 25
-45.8%
Q1 25
-56.2%
Q4 24
-12.7%
Q3 24
-634.4%
Q2 24
-173.7%
Q1 24
-225.6%
EPS (diluted)
ALMU
ALMU
XPON
XPON
Q4 25
$-0.11
$-0.45
Q3 25
$-0.09
$0.10
Q2 25
$-0.41
Q1 25
$-0.37
Q4 24
$65.02
Q3 24
$-24.55
Q2 24
$-30.20
Q1 24
$-31.30

Balance Sheet & Financial Strength

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

Metric
ALMU
ALMU
XPON
XPON
Cash + ST InvestmentsLiquidity on hand
$38.6M
$3.0M
Total DebtLower is stronger
$197.2K
Stockholders' EquityBook value
$40.8M
$6.5M
Total Assets
$42.6M
$8.1M
Debt / EquityLower = less leverage
0.03×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALMU
ALMU
XPON
XPON
Q4 25
$38.6M
$3.0M
Q3 25
$25.9M
$4.3M
Q2 25
$684.9K
Q1 25
$1.1M
Q4 24
$547.6K
Q3 24
$3.3M
Q2 24
$902.3K
Q1 24
$2.3M
Total Debt
ALMU
ALMU
XPON
XPON
Q4 25
$197.2K
Q3 25
$205.6K
Q2 25
$213.6K
Q1 25
$221.8K
Q4 24
$230.2K
Q3 24
$239.9K
Q2 24
$247.7K
Q1 24
$255.4K
Stockholders' Equity
ALMU
ALMU
XPON
XPON
Q4 25
$40.8M
$6.5M
Q3 25
$40.9M
$9.0M
Q2 25
$2.1M
Q1 25
$3.2M
Q4 24
$2.5M
Q3 24
$2.5M
Q2 24
$2.5M
Q1 24
$3.7M
Total Assets
ALMU
ALMU
XPON
XPON
Q4 25
$42.6M
$8.1M
Q3 25
$42.7M
$10.7M
Q2 25
$8.6M
Q1 25
$9.2M
Q4 24
$9.1M
Q3 24
$10.1M
Q2 24
$8.8M
Q1 24
$10.0M
Debt / Equity
ALMU
ALMU
XPON
XPON
Q4 25
0.03×
Q3 25
0.02×
Q2 25
0.10×
Q1 25
0.07×
Q4 24
0.09×
Q3 24
0.09×
Q2 24
0.10×
Q1 24
0.07×

Cash Flow & Capital Efficiency

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

Metric
ALMU
ALMU
XPON
XPON
Operating Cash FlowLast quarter
$-251.0K
$-2.4M
Free Cash FlowOCF − Capex
$-282.0K
FCF MarginFCF / Revenue
-22.2%
Capex IntensityCapex / Revenue
2.4%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ALMU
ALMU
XPON
XPON
Q4 25
$-251.0K
$-2.4M
Q3 25
$-815.0K
$-2.1M
Q2 25
$-401.0K
Q1 25
$-1.2M
Q4 24
$-2.9M
Q3 24
$-3.2M
Q2 24
$-1.7M
Q1 24
$-1.7M
Free Cash Flow
ALMU
ALMU
XPON
XPON
Q4 25
$-282.0K
Q3 25
$-1.0M
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
$-1.7M
FCF Margin
ALMU
ALMU
XPON
XPON
Q4 25
-22.2%
Q3 25
-74.0%
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
-173.1%
Capex Intensity
ALMU
ALMU
XPON
XPON
Q4 25
2.4%
Q3 25
15.2%
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
1.1%
Cash Conversion
ALMU
ALMU
XPON
XPON
Q4 25
Q3 25
-2.90×
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.

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