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Side-by-side financial comparison of Ambiq Micro, Inc. (AMBQ) and ISABELLA BANK CORP (ISBA). Click either name above to swap in a different company.

ISABELLA BANK CORP is the larger business by last-quarter revenue ($21.2M vs $18.2M, roughly 1.2× Ambiq Micro, Inc.). ISABELLA BANK CORP runs the higher net margin — 22.2% vs -49.6%, a 71.7% 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...

The Bank of the Philippine Islands is a universal bank in the Philippines. It is the oldest bank in both the Philippines and Southeast Asia. It is the fourth largest bank in terms of assets, the second largest bank in terms of market capitalization, and one of the most profitable banks in the Philippines.

AMBQ vs ISBA — Head-to-Head

Bigger by revenue
ISBA
ISBA
1.2× larger
ISBA
$21.2M
$18.2M
AMBQ
Higher net margin
ISBA
ISBA
71.7% more per $
ISBA
22.2%
-49.6%
AMBQ

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
AMBQ
AMBQ
ISBA
ISBA
Revenue
$18.2M
$21.2M
Net Profit
$-9.0M
$4.7M
Gross Margin
42.3%
Operating Margin
-55.3%
32.2%
Net Margin
-49.6%
22.2%
Revenue YoY
14.3%
Net Profit YoY
17.4%
EPS (diluted)
$-0.72
$0.64

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
ISBA
ISBA
Q4 25
$21.2M
Q3 25
$18.2M
$20.5M
Q2 25
$17.9M
$18.8M
Q1 25
$18.1M
Q4 24
$18.5M
Q3 24
$18.0M
Q2 24
$17.2M
Q1 24
$16.7M
Net Profit
AMBQ
AMBQ
ISBA
ISBA
Q4 25
$4.7M
Q3 25
$-9.0M
$5.2M
Q2 25
$-8.5M
$5.0M
Q1 25
$3.9M
Q4 24
$4.0M
Q3 24
$3.3M
Q2 24
$3.5M
Q1 24
$3.1M
Gross Margin
AMBQ
AMBQ
ISBA
ISBA
Q4 25
Q3 25
42.3%
Q2 25
40.1%
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Operating Margin
AMBQ
AMBQ
ISBA
ISBA
Q4 25
32.2%
Q3 25
-55.3%
30.7%
Q2 25
-49.2%
32.8%
Q1 25
26.9%
Q4 24
26.0%
Q3 24
21.3%
Q2 24
23.9%
Q1 24
21.8%
Net Margin
AMBQ
AMBQ
ISBA
ISBA
Q4 25
22.2%
Q3 25
-49.6%
25.6%
Q2 25
-47.5%
26.7%
Q1 25
21.9%
Q4 24
21.6%
Q3 24
18.2%
Q2 24
20.3%
Q1 24
18.7%
EPS (diluted)
AMBQ
AMBQ
ISBA
ISBA
Q4 25
$0.64
Q3 25
$-0.72
$0.71
Q2 25
$-18.89
$0.68
Q1 25
$0.53
Q4 24
$0.54
Q3 24
$0.44
Q2 24
$0.46
Q1 24
$0.42

Balance Sheet & Financial Strength

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

Metric
AMBQ
AMBQ
ISBA
ISBA
Cash + ST InvestmentsLiquidity on hand
$146.5M
$26.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$169.8M
$231.4M
Total Assets
$186.7M
$2.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMBQ
AMBQ
ISBA
ISBA
Q4 25
$26.0M
Q3 25
$146.5M
$161.3M
Q2 25
$47.5M
$108.6M
Q1 25
$69.2M
Q4 24
$24.5M
Q3 24
$27.4M
Q2 24
$23.6M
Q1 24
$25.2M
Stockholders' Equity
AMBQ
AMBQ
ISBA
ISBA
Q4 25
$231.4M
Q3 25
$169.8M
$227.4M
Q2 25
$-307.3M
$220.5M
Q1 25
$215.6M
Q4 24
$210.3M
Q3 24
$213.0M
Q2 24
$202.2M
Q1 24
$200.7M
Total Assets
AMBQ
AMBQ
ISBA
ISBA
Q4 25
$2.2B
Q3 25
$186.7M
$2.3B
Q2 25
$89.2M
$2.2B
Q1 25
$2.1B
Q4 24
$2.1B
Q3 24
$2.1B
Q2 24
$2.1B
Q1 24
$2.1B

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
ISBA
ISBA
Operating Cash FlowLast quarter
$-5.0M
$26.8M
Free Cash FlowOCF − Capex
$23.3M
FCF MarginFCF / Revenue
110.2%
Capex IntensityCapex / Revenue
16.4%
Cash ConversionOCF / Net Profit
5.72×
TTM Free Cash FlowTrailing 4 quarters
$36.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMBQ
AMBQ
ISBA
ISBA
Q4 25
$26.8M
Q3 25
$-5.0M
$2.7M
Q2 25
$-10.5M
$7.8M
Q1 25
$4.7M
Q4 24
$19.6M
Q3 24
$3.6M
Q2 24
$5.5M
Q1 24
$3.4M
Free Cash Flow
AMBQ
AMBQ
ISBA
ISBA
Q4 25
$23.3M
Q3 25
$1.7M
Q2 25
$7.2M
Q1 25
$3.7M
Q4 24
$17.5M
Q3 24
$3.2M
Q2 24
$5.1M
Q1 24
$2.6M
FCF Margin
AMBQ
AMBQ
ISBA
ISBA
Q4 25
110.2%
Q3 25
8.5%
Q2 25
38.5%
Q1 25
20.6%
Q4 24
94.6%
Q3 24
17.7%
Q2 24
29.8%
Q1 24
15.7%
Capex Intensity
AMBQ
AMBQ
ISBA
ISBA
Q4 25
16.4%
Q3 25
5.0%
Q2 25
3.2%
Q1 25
5.5%
Q4 24
11.4%
Q3 24
2.0%
Q2 24
2.4%
Q1 24
4.9%
Cash Conversion
AMBQ
AMBQ
ISBA
ISBA
Q4 25
5.72×
Q3 25
0.52×
Q2 25
1.56×
Q1 25
1.19×
Q4 24
4.91×
Q3 24
1.08×
Q2 24
1.59×
Q1 24
1.10×

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%

ISBA
ISBA

Segment breakdown not available.

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