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Side-by-side financial comparison of MainStreet Bancshares, Inc. (MNSB) 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 $32.8M, roughly 1.4× MainStreet Bancshares, Inc.). On growth, MainStreet Bancshares, Inc. posted the faster year-over-year revenue change (-8.8% vs -15.6%). Over the past eight quarters, STEM, INC.'s revenue compounded faster (36.1% CAGR vs -0.7%).

MainStreet Bancshares, Inc. is a US-based bank holding company that provides comprehensive retail and commercial banking services, including deposit products, personal and business loans, mortgage lending, and wealth management solutions. It primarily serves individual consumers, small and medium-sized enterprises, and local community customers through its regional branch network.

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.

MNSB vs STEM — Head-to-Head

Bigger by revenue
STEM
STEM
1.4× larger
STEM
$47.1M
$32.8M
MNSB
Growing faster (revenue YoY)
MNSB
MNSB
+6.8% gap
MNSB
-8.8%
-15.6%
STEM
Faster 2-yr revenue CAGR
STEM
STEM
Annualised
STEM
36.1%
-0.7%
MNSB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MNSB
MNSB
STEM
STEM
Revenue
$32.8M
$47.1M
Net Profit
$-16.0M
Gross Margin
55.1%
48.9%
Operating Margin
14.9%
-17.7%
Net Margin
-33.9%
Revenue YoY
-8.8%
-15.6%
Net Profit YoY
68.8%
EPS (diluted)
$0.46
$-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
MNSB
MNSB
STEM
STEM
Q4 25
$32.8M
$47.1M
Q3 25
$33.6M
$38.2M
Q2 25
$35.4M
$38.4M
Q1 25
$33.9M
$32.5M
Q4 24
$35.9M
$55.8M
Q3 24
$34.5M
$29.3M
Q2 24
$34.2M
$34.0M
Q1 24
$33.3M
$25.5M
Net Profit
MNSB
MNSB
STEM
STEM
Q4 25
$-16.0M
Q3 25
$4.5M
$-23.8M
Q2 25
$4.6M
$202.5M
Q1 25
$2.5M
$-25.0M
Q4 24
$-51.1M
Q3 24
$265.0K
$-148.3M
Q2 24
$2.6M
$-582.3M
Q1 24
$3.3M
$-72.3M
Gross Margin
MNSB
MNSB
STEM
STEM
Q4 25
55.1%
48.9%
Q3 25
54.3%
35.5%
Q2 25
56.2%
33.4%
Q1 25
51.5%
32.4%
Q4 24
46.9%
-4.4%
Q3 24
47.1%
21.2%
Q2 24
47.7%
27.6%
Q1 24
49.4%
-95.0%
Operating Margin
MNSB
MNSB
STEM
STEM
Q4 25
14.9%
-17.7%
Q3 25
16.1%
-33.6%
Q2 25
16.0%
-34.8%
Q1 25
9.2%
-65.0%
Q4 24
-4373.3%
-84.4%
Q3 24
0.3%
-493.2%
Q2 24
8.4%
-1705.5%
Q1 24
12.4%
-267.0%
Net Margin
MNSB
MNSB
STEM
STEM
Q4 25
-33.9%
Q3 25
13.4%
-62.2%
Q2 25
13.0%
527.8%
Q1 25
7.2%
-76.9%
Q4 24
-91.6%
Q3 24
0.8%
-506.3%
Q2 24
7.7%
-1712.6%
Q1 24
9.9%
-283.9%
EPS (diluted)
MNSB
MNSB
STEM
STEM
Q4 25
$0.46
$-4.40
Q3 25
$0.52
$-2.84
Q2 25
$0.53
$-1.79
Q1 25
$0.25
$-0.15
Q4 24
$-2.19
$-15.29
Q3 24
$-0.04
$-18.24
Q2 24
$0.27
$-71.81
Q1 24
$0.36
$-0.46

Balance Sheet & Financial Strength

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

Metric
MNSB
MNSB
STEM
STEM
Cash + ST InvestmentsLiquidity on hand
$48.9M
Total DebtLower is stronger
Stockholders' EquityBook value
$218.6M
$-249.4M
Total Assets
$2.2B
$308.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MNSB
MNSB
STEM
STEM
Q4 25
$48.9M
Q3 25
$43.1M
Q2 25
$40.8M
Q1 25
$58.6M
Q4 24
$56.3M
Q3 24
$75.4M
Q2 24
$89.6M
Q1 24
$112.8M
Stockholders' Equity
MNSB
MNSB
STEM
STEM
Q4 25
$218.6M
$-249.4M
Q3 25
$218.4M
$-235.7M
Q2 25
$213.5M
$-214.1M
Q1 25
$209.6M
$-417.5M
Q4 24
$208.0M
$-398.4M
Q3 24
$226.1M
$-344.1M
Q2 24
$224.7M
$-203.2M
Q1 24
$223.1M
$371.6M
Total Assets
MNSB
MNSB
STEM
STEM
Q4 25
$2.2B
$308.9M
Q3 25
$2.1B
$362.6M
Q2 25
$2.1B
$379.2M
Q1 25
$2.2B
$405.1M
Q4 24
$2.2B
$437.4M
Q3 24
$2.2B
$537.8M
Q2 24
$2.1B
$691.5M
Q1 24
$2.1B
$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
MNSB
MNSB
STEM
STEM
Operating Cash FlowLast quarter
$14.8M
$8.2M
Free Cash FlowOCF − Capex
$10.6M
FCF MarginFCF / Revenue
32.5%
Capex IntensityCapex / Revenue
12.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$14.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MNSB
MNSB
STEM
STEM
Q4 25
$14.8M
$8.2M
Q3 25
$5.6M
$11.4M
Q2 25
$1.2M
$-21.3M
Q1 25
$1.5M
$8.5M
Q4 24
$14.7M
$-14.7M
Q3 24
$4.5M
$-9.4M
Q2 24
$1.2M
$-11.9M
Q1 24
$3.6M
$-621.0K
Free Cash Flow
MNSB
MNSB
STEM
STEM
Q4 25
$10.6M
Q3 25
$5.5M
Q2 25
$-2.6M
Q1 25
$1.4M
Q4 24
$13.8M
Q3 24
$4.3M
Q2 24
$1.1M
Q1 24
$3.0M
FCF Margin
MNSB
MNSB
STEM
STEM
Q4 25
32.5%
Q3 25
16.2%
Q2 25
-7.4%
Q1 25
4.1%
Q4 24
38.5%
Q3 24
12.5%
Q2 24
3.1%
Q1 24
9.1%
Capex Intensity
MNSB
MNSB
STEM
STEM
Q4 25
12.7%
Q3 25
0.4%
Q2 25
10.8%
Q1 25
0.2%
Q4 24
2.5%
Q3 24
0.5%
Q2 24
0.3%
Q1 24
1.8%
Cash Conversion
MNSB
MNSB
STEM
STEM
Q4 25
Q3 25
1.24×
Q2 25
0.26×
-0.11×
Q1 25
0.59×
Q4 24
Q3 24
16.87×
Q2 24
0.45×
Q1 24
1.10×

Financial Flow Comparison

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

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