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Side-by-side financial comparison of Ambiq Micro, Inc. (AMBQ) and OptimumBank Holdings, Inc. (OPHC). Click either name above to swap in a different company.

Ambiq Micro, Inc. is the larger business by last-quarter revenue ($18.2M vs $13.6M, roughly 1.3× OptimumBank Holdings, Inc.). OptimumBank Holdings, Inc. runs the higher net margin — 35.7% vs -49.6%, a 85.2% 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...

OptimumBank Holdings, Inc. is a Florida-based bank holding company operating the local community bank OptimumBank. It offers retail and commercial banking products including deposit accounts, loans, mortgage services and wealth management, serving individual consumers and small-to-medium enterprises in southern Florida.

AMBQ vs OPHC — Head-to-Head

Bigger by revenue
AMBQ
AMBQ
1.3× larger
AMBQ
$18.2M
$13.6M
OPHC
Higher net margin
OPHC
OPHC
85.2% more per $
OPHC
35.7%
-49.6%
AMBQ

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
AMBQ
AMBQ
OPHC
OPHC
Revenue
$18.2M
$13.6M
Net Profit
$-9.0M
$4.9M
Gross Margin
42.3%
Operating Margin
-55.3%
47.5%
Net Margin
-49.6%
35.7%
Revenue YoY
32.0%
Net Profit YoY
22.9%
EPS (diluted)
$-0.72
$-0.08

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
OPHC
OPHC
Q4 25
$13.6M
Q3 25
$18.2M
$13.0M
Q2 25
$17.9M
$12.1M
Q1 25
$10.7M
Q4 24
$10.3M
Q3 24
$10.1M
Q2 24
$9.9M
Q1 24
$9.0M
Net Profit
AMBQ
AMBQ
OPHC
OPHC
Q4 25
$4.9M
Q3 25
$-9.0M
$4.3M
Q2 25
$-8.5M
$3.6M
Q1 25
$3.9M
Q4 24
$3.9M
Q3 24
$3.3M
Q2 24
$3.5M
Q1 24
$2.4M
Gross Margin
AMBQ
AMBQ
OPHC
OPHC
Q4 25
Q3 25
42.3%
Q2 25
40.1%
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Operating Margin
AMBQ
AMBQ
OPHC
OPHC
Q4 25
47.5%
Q3 25
-55.3%
43.5%
Q2 25
-49.2%
40.2%
Q1 25
48.8%
Q4 24
51.5%
Q3 24
44.0%
Q2 24
46.9%
Q1 24
35.9%
Net Margin
AMBQ
AMBQ
OPHC
OPHC
Q4 25
35.7%
Q3 25
-49.6%
33.2%
Q2 25
-47.5%
29.8%
Q1 25
36.3%
Q4 24
38.3%
Q3 24
32.8%
Q2 24
35.2%
Q1 24
26.4%
EPS (diluted)
AMBQ
AMBQ
OPHC
OPHC
Q4 25
$-0.08
Q3 25
$-0.72
$0.18
Q2 25
$-18.89
$0.29
Q1 25
$0.32
Q4 24
$-0.17
Q3 24
$0.15
Q2 24
$0.34
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
OPHC
OPHC
Cash + ST InvestmentsLiquidity on hand
$146.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$169.8M
$121.9M
Total Assets
$186.7M
$1.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMBQ
AMBQ
OPHC
OPHC
Q4 25
Q3 25
$146.5M
Q2 25
$47.5M
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
AMBQ
AMBQ
OPHC
OPHC
Q4 25
$121.9M
Q3 25
$169.8M
$116.9M
Q2 25
$-307.3M
$111.3M
Q1 25
$108.0M
Q4 24
$103.2M
Q3 24
$92.7M
Q2 24
$87.0M
Q1 24
$83.0M
Total Assets
AMBQ
AMBQ
OPHC
OPHC
Q4 25
$1.1B
Q3 25
$186.7M
$1.1B
Q2 25
$89.2M
$999.1M
Q1 25
$977.5M
Q4 24
$932.9M
Q3 24
$945.2M
Q2 24
$899.8M
Q1 24
$940.6M

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
OPHC
OPHC
Operating Cash FlowLast quarter
$-5.0M
$17.8M
Free Cash FlowOCF − Capex
$16.9M
FCF MarginFCF / Revenue
124.6%
Capex IntensityCapex / Revenue
6.6%
Cash ConversionOCF / Net Profit
3.68×
TTM Free Cash FlowTrailing 4 quarters
$27.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMBQ
AMBQ
OPHC
OPHC
Q4 25
$17.8M
Q3 25
$-5.0M
$1.9M
Q2 25
$-10.5M
$6.2M
Q1 25
$3.1M
Q4 24
$15.6M
Q3 24
$4.0M
Q2 24
$3.1M
Q1 24
$2.5M
Free Cash Flow
AMBQ
AMBQ
OPHC
OPHC
Q4 25
$16.9M
Q3 25
$1.9M
Q2 25
$5.9M
Q1 25
$2.9M
Q4 24
$14.6M
Q3 24
$3.9M
Q2 24
$2.7M
Q1 24
$2.3M
FCF Margin
AMBQ
AMBQ
OPHC
OPHC
Q4 25
124.6%
Q3 25
14.7%
Q2 25
48.5%
Q1 25
26.8%
Q4 24
141.9%
Q3 24
38.3%
Q2 24
27.5%
Q1 24
25.4%
Capex Intensity
AMBQ
AMBQ
OPHC
OPHC
Q4 25
6.6%
Q3 25
0.0%
Q2 25
2.5%
Q1 25
2.7%
Q4 24
9.6%
Q3 24
1.5%
Q2 24
3.6%
Q1 24
2.9%
Cash Conversion
AMBQ
AMBQ
OPHC
OPHC
Q4 25
3.68×
Q3 25
0.44×
Q2 25
1.71×
Q1 25
0.81×
Q4 24
3.95×
Q3 24
1.21×
Q2 24
0.89×
Q1 24
1.07×

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%

OPHC
OPHC

Segment breakdown not available.

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