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Side-by-side financial comparison of LANTRONIX INC (LTRX) and STEM, INC. (STEM). Click either name above to swap in a different company.

STEM, INC. is the larger business by last-quarter revenue ($47.1M vs $29.8M, roughly 1.6× LANTRONIX INC). LANTRONIX INC runs the higher net margin — -4.5% vs -33.9%, a 29.4% gap on every dollar of revenue. On growth, LANTRONIX INC posted the faster year-over-year revenue change (-4.5% vs -15.6%). Over the past eight quarters, STEM, INC.'s revenue compounded faster (36.1% CAGR vs -15.0%).

Lantronix Inc is a global provider of secure IoT connectivity and edge computing solutions. It offers specialized hardware, SaaS platforms and embedded software for industrial, healthcare, retail, transportation and smart city clients worldwide, supporting reliable remote device management.

StemCells, Inc. is a public biopharmaceutical company headquartered in Newark, California, that is developing purified human neural stem cells (HuCNS-SCs) in the hopes of treating central nervous system disorders and paralysis. StemCells' HuCNS-SCs have the ability to differentiate into the three main types of cells found in the central nervous system: neurons, astrocytes and oligodendrocytes.

LTRX vs STEM — Head-to-Head

Bigger by revenue
STEM
STEM
1.6× larger
STEM
$47.1M
$29.8M
LTRX
Growing faster (revenue YoY)
LTRX
LTRX
+11.1% gap
LTRX
-4.5%
-15.6%
STEM
Higher net margin
LTRX
LTRX
29.4% more per $
LTRX
-4.5%
-33.9%
STEM
Faster 2-yr revenue CAGR
STEM
STEM
Annualised
STEM
36.1%
-15.0%
LTRX

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
LTRX
LTRX
STEM
STEM
Revenue
$29.8M
$47.1M
Net Profit
$-1.3M
$-16.0M
Gross Margin
43.6%
48.9%
Operating Margin
-3.6%
-17.7%
Net Margin
-4.5%
-33.9%
Revenue YoY
-4.5%
-15.6%
Net Profit YoY
43.9%
68.8%
EPS (diluted)
$-0.03
$-4.40

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
LTRX
LTRX
STEM
STEM
Q4 25
$29.8M
$47.1M
Q3 25
$29.8M
$38.2M
Q2 25
$28.8M
$38.4M
Q1 25
$28.5M
$32.5M
Q4 24
$31.2M
$55.8M
Q3 24
$34.4M
$29.3M
Q2 24
$49.1M
$34.0M
Q1 24
$41.2M
$25.5M
Net Profit
LTRX
LTRX
STEM
STEM
Q4 25
$-1.3M
$-16.0M
Q3 25
$-1.4M
$-23.8M
Q2 25
$-2.6M
$202.5M
Q1 25
$-3.9M
$-25.0M
Q4 24
$-2.4M
$-51.1M
Q3 24
$-2.5M
$-148.3M
Q2 24
$386.0K
$-582.3M
Q1 24
$-423.0K
$-72.3M
Gross Margin
LTRX
LTRX
STEM
STEM
Q4 25
43.6%
48.9%
Q3 25
44.8%
35.5%
Q2 25
40.0%
33.4%
Q1 25
43.5%
32.4%
Q4 24
42.6%
-4.4%
Q3 24
42.1%
21.2%
Q2 24
38.1%
27.6%
Q1 24
40.1%
-95.0%
Operating Margin
LTRX
LTRX
STEM
STEM
Q4 25
-3.6%
-17.7%
Q3 25
-5.1%
-33.6%
Q2 25
-10.9%
-34.8%
Q1 25
-12.6%
-65.0%
Q4 24
-6.9%
-84.4%
Q3 24
-6.2%
-493.2%
Q2 24
1.2%
-1705.5%
Q1 24
-0.2%
-267.0%
Net Margin
LTRX
LTRX
STEM
STEM
Q4 25
-4.5%
-33.9%
Q3 25
-4.7%
-62.2%
Q2 25
-9.1%
527.8%
Q1 25
-13.6%
-76.9%
Q4 24
-7.6%
-91.6%
Q3 24
-7.3%
-506.3%
Q2 24
0.8%
-1712.6%
Q1 24
-1.0%
-283.9%
EPS (diluted)
LTRX
LTRX
STEM
STEM
Q4 25
$-0.03
$-4.40
Q3 25
$-0.04
$-2.84
Q2 25
$-0.06
$-1.79
Q1 25
$-0.10
$-0.15
Q4 24
$-0.06
$-15.29
Q3 24
$-0.07
$-18.24
Q2 24
$0.01
$-71.81
Q1 24
$-0.01
$-0.46

Balance Sheet & Financial Strength

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

Metric
LTRX
LTRX
STEM
STEM
Cash + ST InvestmentsLiquidity on hand
$23.0M
$48.9M
Total DebtLower is stronger
Stockholders' EquityBook value
$74.4M
$-249.4M
Total Assets
$121.7M
$308.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
LTRX
LTRX
STEM
STEM
Q4 25
$23.0M
$48.9M
Q3 25
$22.2M
$43.1M
Q2 25
$20.1M
$40.8M
Q1 25
$20.0M
$58.6M
Q4 24
$19.2M
$56.3M
Q3 24
$26.4M
$75.4M
Q2 24
$26.2M
$89.6M
Q1 24
$24.6M
$112.8M
Stockholders' Equity
LTRX
LTRX
STEM
STEM
Q4 25
$74.4M
$-249.4M
Q3 25
$74.5M
$-235.7M
Q2 25
$74.4M
$-214.1M
Q1 25
$75.5M
$-417.5M
Q4 24
$77.9M
$-398.4M
Q3 24
$78.9M
$-344.1M
Q2 24
$81.4M
$-203.2M
Q1 24
$78.1M
$371.6M
Total Assets
LTRX
LTRX
STEM
STEM
Q4 25
$121.7M
$308.9M
Q3 25
$119.6M
$362.6M
Q2 25
$123.7M
$379.2M
Q1 25
$124.2M
$405.1M
Q4 24
$134.2M
$437.4M
Q3 24
$137.9M
$537.8M
Q2 24
$136.2M
$691.5M
Q1 24
$147.4M
$1.3B

Cash Flow & Capital Efficiency

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

Metric
LTRX
LTRX
STEM
STEM
Operating Cash FlowLast quarter
$2.2M
$8.2M
Free Cash FlowOCF − Capex
$2.1M
FCF MarginFCF / Revenue
7.0%
Capex IntensityCapex / Revenue
0.3%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$9.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
LTRX
LTRX
STEM
STEM
Q4 25
$2.2M
$8.2M
Q3 25
$3.6M
$11.4M
Q2 25
$1.1M
$-21.3M
Q1 25
$3.2M
$8.5M
Q4 24
$340.0K
$-14.7M
Q3 24
$2.7M
$-9.4M
Q2 24
$2.3M
$-11.9M
Q1 24
$3.6M
$-621.0K
Free Cash Flow
LTRX
LTRX
STEM
STEM
Q4 25
$2.1M
Q3 25
$3.5M
Q2 25
$909.0K
Q1 25
$3.1M
Q4 24
$256.0K
Q3 24
$2.5M
Q2 24
$2.1M
Q1 24
$3.5M
FCF Margin
LTRX
LTRX
STEM
STEM
Q4 25
7.0%
Q3 25
11.9%
Q2 25
3.2%
Q1 25
10.9%
Q4 24
0.8%
Q3 24
7.3%
Q2 24
4.3%
Q1 24
8.4%
Capex Intensity
LTRX
LTRX
STEM
STEM
Q4 25
0.3%
Q3 25
0.2%
Q2 25
0.5%
Q1 25
0.4%
Q4 24
0.3%
Q3 24
0.5%
Q2 24
0.3%
Q1 24
0.3%
Cash Conversion
LTRX
LTRX
STEM
STEM
Q4 25
Q3 25
Q2 25
-0.11×
Q1 25
Q4 24
Q3 24
Q2 24
5.89×
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

LTRX
LTRX

Embedded Io T Solutions$13.9M47%
Io T System Solutions$13.3M45%
Software And Services$2.6M9%

STEM
STEM

Segment breakdown not available.

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