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Side-by-side financial comparison of Ambiq Micro, Inc. (AMBQ) and SOUTHERN FIRST BANCSHARES INC (SFST). Click either name above to swap in a different company.

SOUTHERN FIRST BANCSHARES INC is the larger business by last-quarter revenue ($31.8M vs $18.2M, roughly 1.8× Ambiq Micro, Inc.).

Ambiq Micro, Inc. is an American semiconductor company specializing in low-power microcontrollers and systems-on-chip, including products for devices smartwatches, medical devices, and sensors. Founded in 2010 by University of Michigan researchers Scott Hanson, David Blaauw, and Dennis Sylvester, the company is headquartered in Austin, Texas. Its products employ Subthreshold Power Optimized Technology (SPOT) to reduce energy consumption and enable on-device edge AI. In 2025, Ambiq went public...

First Community Bankshares, Inc. is a $2.43 billion bank holding company and the parent company of First Community Bank of Bluefield, Virginia, in the United States. As of 2012 First Community Bank had 45 locations in Virginia, West Virginia, and North Carolina, and two locations operating as Peoples Community Bank in Tennessee. As of April 21, 2023, First Community had $3.6 billion in assets.

AMBQ vs SFST — Head-to-Head

Bigger by revenue
SFST
SFST
1.8× larger
SFST
$31.8M
$18.2M
AMBQ

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
AMBQ
AMBQ
SFST
SFST
Revenue
$18.2M
$31.8M
Net Profit
$-9.0M
Gross Margin
42.3%
Operating Margin
-55.3%
40.1%
Net Margin
-49.6%
Revenue YoY
26.1%
Net Profit YoY
EPS (diluted)
$-0.72
$1.19

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
AMBQ
AMBQ
SFST
SFST
Q4 25
$31.8M
Q3 25
$18.2M
$31.1M
Q2 25
$17.9M
$28.6M
Q1 25
$26.5M
Q4 24
$25.2M
Q3 24
$23.8M
Q2 24
$23.1M
Q1 24
$21.3M
Net Profit
AMBQ
AMBQ
SFST
SFST
Q4 25
Q3 25
$-9.0M
$8.7M
Q2 25
$-8.5M
$6.6M
Q1 25
$5.3M
Q4 24
Q3 24
$4.4M
Q2 24
$3.0M
Q1 24
$2.5M
Gross Margin
AMBQ
AMBQ
SFST
SFST
Q4 25
Q3 25
42.3%
Q2 25
40.1%
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Operating Margin
AMBQ
AMBQ
SFST
SFST
Q4 25
40.1%
Q3 25
-55.3%
36.4%
Q2 25
-49.2%
30.0%
Q1 25
26.1%
Q4 24
27.3%
Q3 24
24.1%
Q2 24
17.0%
Q1 24
15.9%
Net Margin
AMBQ
AMBQ
SFST
SFST
Q4 25
Q3 25
-49.6%
27.8%
Q2 25
-47.5%
23.0%
Q1 25
19.9%
Q4 24
Q3 24
18.4%
Q2 24
13.0%
Q1 24
11.8%
EPS (diluted)
AMBQ
AMBQ
SFST
SFST
Q4 25
$1.19
Q3 25
$-0.72
$1.07
Q2 25
$-18.89
$0.81
Q1 25
$0.65
Q4 24
$0.69
Q3 24
$0.54
Q2 24
$0.37
Q1 24
$0.31

Balance Sheet & Financial Strength

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

Metric
AMBQ
AMBQ
SFST
SFST
Cash + ST InvestmentsLiquidity on hand
$146.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$169.8M
$368.7M
Total Assets
$186.7M
$4.4B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMBQ
AMBQ
SFST
SFST
Q4 25
Q3 25
$146.5M
Q2 25
$47.5M
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
AMBQ
AMBQ
SFST
SFST
Q4 25
$368.7M
Q3 25
$169.8M
$356.3M
Q2 25
$-307.3M
$345.5M
Q1 25
$337.6M
Q4 24
$330.4M
Q3 24
$326.5M
Q2 24
$318.7M
Q1 24
$315.3M
Total Assets
AMBQ
AMBQ
SFST
SFST
Q4 25
$4.4B
Q3 25
$186.7M
$4.4B
Q2 25
$89.2M
$4.3B
Q1 25
$4.3B
Q4 24
$4.1B
Q3 24
$4.2B
Q2 24
$4.1B
Q1 24
$4.1B

Cash Flow & Capital Efficiency

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

Metric
AMBQ
AMBQ
SFST
SFST
Operating Cash FlowLast quarter
$-5.0M
$30.5M
Free Cash FlowOCF − Capex
$29.9M
FCF MarginFCF / Revenue
93.8%
Capex IntensityCapex / Revenue
1.8%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$62.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMBQ
AMBQ
SFST
SFST
Q4 25
$30.5M
Q3 25
$-5.0M
$14.5M
Q2 25
$-10.5M
$10.5M
Q1 25
$7.6M
Q4 24
$25.6M
Q3 24
$26.3M
Q2 24
$4.0M
Q1 24
$-2.9M
Free Cash Flow
AMBQ
AMBQ
SFST
SFST
Q4 25
$29.9M
Q3 25
$14.4M
Q2 25
$10.4M
Q1 25
$7.4M
Q4 24
$24.8M
Q3 24
$26.1M
Q2 24
$3.9M
Q1 24
$-3.2M
FCF Margin
AMBQ
AMBQ
SFST
SFST
Q4 25
93.8%
Q3 25
46.3%
Q2 25
36.3%
Q1 25
28.1%
Q4 24
98.2%
Q3 24
110.0%
Q2 24
16.8%
Q1 24
-15.0%
Capex Intensity
AMBQ
AMBQ
SFST
SFST
Q4 25
1.8%
Q3 25
0.3%
Q2 25
0.3%
Q1 25
0.5%
Q4 24
3.1%
Q3 24
0.8%
Q2 24
0.4%
Q1 24
1.3%
Cash Conversion
AMBQ
AMBQ
SFST
SFST
Q4 25
Q3 25
1.67×
Q2 25
1.59×
Q1 25
1.44×
Q4 24
Q3 24
6.01×
Q2 24
1.32×
Q1 24
-1.16×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMBQ
AMBQ

Customer Concentration Risk$16.2M89%
Other$2.0M11%

SFST
SFST

Segment breakdown not available.

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