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Side-by-side financial comparison of Ambiq Micro, Inc. (AMBQ) and WEST BANCORPORATION INC (WTBA). Click either name above to swap in a different company.

WEST BANCORPORATION INC is the larger business by last-quarter revenue ($26.9M vs $18.2M, roughly 1.5× Ambiq Micro, Inc.). WEST BANCORPORATION INC runs the higher net margin — 39.2% vs -49.6%, a 88.8% gap on every dollar of revenue.

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...

West Bancorporation Inc. is a regional financial holding company headquartered in the U.S. Midwest, primarily serving markets across Iowa and Minnesota. It provides a full suite of personal and commercial banking services, including deposit accounts, mortgage loans, business lending, and wealth management solutions for individual consumers, small-to-medium enterprises, and local organizational clients.

AMBQ vs WTBA — Head-to-Head

Bigger by revenue
WTBA
WTBA
1.5× larger
WTBA
$26.9M
$18.2M
AMBQ
Higher net margin
WTBA
WTBA
88.8% more per $
WTBA
39.2%
-49.6%
AMBQ

Income Statement — Q3 FY2025 vs Q1 FY2026

Metric
AMBQ
AMBQ
WTBA
WTBA
Revenue
$18.2M
$26.9M
Net Profit
$-9.0M
$10.6M
Gross Margin
42.3%
Operating Margin
-55.3%
50.0%
Net Margin
-49.6%
39.2%
Revenue YoY
16.6%
Net Profit YoY
34.8%
EPS (diluted)
$-0.72
$0.61

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
WTBA
WTBA
Q1 26
$26.9M
Q4 25
$24.2M
Q3 25
$18.2M
$25.0M
Q2 25
$17.9M
$23.8M
Q1 25
$23.1M
Q4 24
$20.9M
Q3 24
$20.3M
Q2 24
$19.6M
Net Profit
AMBQ
AMBQ
WTBA
WTBA
Q1 26
$10.6M
Q4 25
$7.4M
Q3 25
$-9.0M
$9.3M
Q2 25
$-8.5M
$8.0M
Q1 25
$7.8M
Q4 24
$7.1M
Q3 24
$6.0M
Q2 24
$5.2M
Gross Margin
AMBQ
AMBQ
WTBA
WTBA
Q1 26
Q4 25
Q3 25
42.3%
Q2 25
40.1%
Q1 25
Q4 24
Q3 24
Q2 24
Operating Margin
AMBQ
AMBQ
WTBA
WTBA
Q1 26
50.0%
Q4 25
39.6%
Q3 25
-55.3%
45.8%
Q2 25
-49.2%
43.4%
Q1 25
43.4%
Q4 24
30.9%
Q3 24
36.6%
Q2 24
32.6%
Net Margin
AMBQ
AMBQ
WTBA
WTBA
Q1 26
39.2%
Q4 25
30.7%
Q3 25
-49.6%
37.3%
Q2 25
-47.5%
33.5%
Q1 25
34.0%
Q4 24
34.0%
Q3 24
29.3%
Q2 24
26.5%
EPS (diluted)
AMBQ
AMBQ
WTBA
WTBA
Q1 26
$0.61
Q4 25
$0.44
Q3 25
$-0.72
$0.55
Q2 25
$-18.89
$0.47
Q1 25
$0.46
Q4 24
$0.41
Q3 24
$0.35
Q2 24
$0.31

Balance Sheet & Financial Strength

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

Metric
AMBQ
AMBQ
WTBA
WTBA
Cash + ST InvestmentsLiquidity on hand
$146.5M
$362.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$169.8M
$270.7M
Total Assets
$186.7M
$4.0B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMBQ
AMBQ
WTBA
WTBA
Q1 26
$362.0M
Q4 25
$471.1M
Q3 25
$146.5M
$232.9M
Q2 25
$47.5M
$345.2M
Q1 25
Q4 24
$243.5M
Q3 24
Q2 24
Stockholders' Equity
AMBQ
AMBQ
WTBA
WTBA
Q1 26
$270.7M
Q4 25
$266.0M
Q3 25
$169.8M
$255.1M
Q2 25
$-307.3M
$240.9M
Q1 25
$237.9M
Q4 24
$227.9M
Q3 24
$235.4M
Q2 24
$223.9M
Total Assets
AMBQ
AMBQ
WTBA
WTBA
Q1 26
$4.0B
Q4 25
$4.1B
Q3 25
$186.7M
$4.0B
Q2 25
$89.2M
$4.1B
Q1 25
$4.0B
Q4 24
$4.0B
Q3 24
$4.0B
Q2 24
$4.0B

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
WTBA
WTBA
Operating Cash FlowLast quarter
$-5.0M
$12.9M
Free Cash FlowOCF − Capex
$12.4M
FCF MarginFCF / Revenue
46.0%
Capex IntensityCapex / Revenue
1.8%
Cash ConversionOCF / Net Profit
1.22×
TTM Free Cash FlowTrailing 4 quarters
$79.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMBQ
AMBQ
WTBA
WTBA
Q1 26
$12.9M
Q4 25
$46.5M
Q3 25
$-5.0M
$11.4M
Q2 25
$-10.5M
$13.5M
Q1 25
$9.7M
Q4 24
$39.8M
Q3 24
$12.9M
Q2 24
$10.0M
Free Cash Flow
AMBQ
AMBQ
WTBA
WTBA
Q1 26
$12.4M
Q4 25
$43.2M
Q3 25
$10.8M
Q2 25
$12.8M
Q1 25
$8.3M
Q4 24
$13.7M
Q3 24
$7.0M
Q2 24
$2.7M
FCF Margin
AMBQ
AMBQ
WTBA
WTBA
Q1 26
46.0%
Q4 25
178.3%
Q3 25
43.0%
Q2 25
53.6%
Q1 25
35.7%
Q4 24
65.6%
Q3 24
34.2%
Q2 24
14.0%
Capex Intensity
AMBQ
AMBQ
WTBA
WTBA
Q1 26
1.8%
Q4 25
13.7%
Q3 25
2.6%
Q2 25
3.2%
Q1 25
6.5%
Q4 24
125.3%
Q3 24
29.4%
Q2 24
37.1%
Cash Conversion
AMBQ
AMBQ
WTBA
WTBA
Q1 26
1.22×
Q4 25
6.26×
Q3 25
1.23×
Q2 25
1.70×
Q1 25
1.24×
Q4 24
5.61×
Q3 24
2.17×
Q2 24
1.93×

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%

WTBA
WTBA

Segment breakdown not available.

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