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

ARM HOLDINGS PLC is the larger business by last-quarter revenue ($1.2B vs $18.2M, roughly 68.4× Ambiq Micro, Inc.). ARM HOLDINGS PLC runs the higher net margin — 18.0% vs -49.6%, a 67.5% 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...

Raspberry Pi Holdings plc is a British technology company that designs and markets single-board computers (SBCs), semiconductors, and related accessories marketed under the Raspberry Pi brand. The first Raspberry Pi computer was developed by the Raspberry Pi Foundation to promote computer science education. The devices were soon adopted by hobbyists and professionals, and are now widely used in industrial and embedded applications. To support commercialization and growing demand, the Foundati...

AMBQ vs ARM — Head-to-Head

Bigger by revenue
ARM
ARM
68.4× larger
ARM
$1.2B
$18.2M
AMBQ
Higher net margin
ARM
ARM
67.5% more per $
ARM
18.0%
-49.6%
AMBQ

Income Statement — Q3 2025 vs Q3 2026

Metric
AMBQ
AMBQ
ARM
ARM
Revenue
$18.2M
$1.2B
Net Profit
$-9.0M
$223.0M
Gross Margin
42.3%
97.6%
Operating Margin
-55.3%
14.9%
Net Margin
-49.6%
18.0%
Revenue YoY
26.3%
Net Profit YoY
-11.5%
EPS (diluted)
$-0.72
$0.21

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
ARM
ARM
Q4 25
$1.2B
Q3 25
$18.2M
$1.1B
Q2 25
$17.9M
$1.1B
Q4 24
$983.0M
Q3 24
$844.0M
Q2 24
$939.0M
Q4 23
$824.0M
Q3 23
$806.0M
Net Profit
AMBQ
AMBQ
ARM
ARM
Q4 25
$223.0M
Q3 25
$-9.0M
$238.0M
Q2 25
$-8.5M
$130.0M
Q4 24
$252.0M
Q3 24
$107.0M
Q2 24
$223.0M
Q4 23
$87.0M
Q3 23
$-110.0M
Gross Margin
AMBQ
AMBQ
ARM
ARM
Q4 25
97.6%
Q3 25
42.3%
97.4%
Q2 25
40.1%
97.2%
Q4 24
97.2%
Q3 24
96.2%
Q2 24
96.5%
Q4 23
95.6%
Q3 23
94.3%
Operating Margin
AMBQ
AMBQ
ARM
ARM
Q4 25
14.9%
Q3 25
-55.3%
14.4%
Q2 25
-49.2%
10.8%
Q4 24
17.8%
Q3 24
7.6%
Q2 24
19.4%
Q4 23
16.3%
Q3 23
-19.4%
Net Margin
AMBQ
AMBQ
ARM
ARM
Q4 25
18.0%
Q3 25
-49.6%
21.0%
Q2 25
-47.5%
12.3%
Q4 24
25.6%
Q3 24
12.7%
Q2 24
23.7%
Q4 23
10.6%
Q3 23
-13.6%
EPS (diluted)
AMBQ
AMBQ
ARM
ARM
Q4 25
$0.21
Q3 25
$-0.72
$0.22
Q2 25
$-18.89
$0.12
Q4 24
$0.24
Q3 24
$0.10
Q2 24
$0.21
Q4 23
$0.08
Q3 23
$-0.11

Balance Sheet & Financial Strength

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

Metric
AMBQ
AMBQ
ARM
ARM
Cash + ST InvestmentsLiquidity on hand
$146.5M
$3.5B
Total DebtLower is stronger
Stockholders' EquityBook value
$169.8M
$7.8B
Total Assets
$186.7M
$10.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMBQ
AMBQ
ARM
ARM
Q4 25
$3.5B
Q3 25
$146.5M
$3.3B
Q2 25
$47.5M
$2.9B
Q4 24
$2.7B
Q3 24
$2.4B
Q2 24
$2.5B
Q4 23
$2.4B
Q3 23
$2.2B
Stockholders' Equity
AMBQ
AMBQ
ARM
ARM
Q4 25
$7.8B
Q3 25
$169.8M
$7.4B
Q2 25
$-307.3M
$7.0B
Q4 24
$6.4B
Q3 24
$6.0B
Q2 24
$5.7B
Q4 23
$5.0B
Q3 23
$4.8B
Total Assets
AMBQ
AMBQ
ARM
ARM
Q4 25
$10.2B
Q3 25
$186.7M
$9.7B
Q2 25
$89.2M
$9.4B
Q4 24
$8.5B
Q3 24
$8.1B
Q2 24
$7.9B
Q4 23
$7.1B
Q3 23
$6.8B

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
ARM
ARM
Operating Cash FlowLast quarter
$-5.0M
$365.0M
Free Cash FlowOCF − Capex
$186.0M
FCF MarginFCF / Revenue
15.0%
Capex IntensityCapex / Revenue
14.4%
Cash ConversionOCF / Net Profit
1.64×
TTM Free Cash FlowTrailing 4 quarters
$1.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMBQ
AMBQ
ARM
ARM
Q4 25
$365.0M
Q3 25
$-5.0M
$567.0M
Q2 25
$-10.5M
$332.0M
Q4 24
$423.0M
Q3 24
$6.0M
Q2 24
$-290.0M
Q4 23
$310.0M
Q3 23
$227.0M
Free Cash Flow
AMBQ
AMBQ
ARM
ARM
Q4 25
$186.0M
Q3 25
$429.0M
Q2 25
$178.0M
Q4 24
$360.0M
Q3 24
$-47.0M
Q2 24
$-319.0M
Q4 23
$289.0M
Q3 23
$193.0M
FCF Margin
AMBQ
AMBQ
ARM
ARM
Q4 25
15.0%
Q3 25
37.8%
Q2 25
16.9%
Q4 24
36.6%
Q3 24
-5.6%
Q2 24
-34.0%
Q4 23
35.1%
Q3 23
23.9%
Capex Intensity
AMBQ
AMBQ
ARM
ARM
Q4 25
14.4%
Q3 25
12.2%
Q2 25
14.6%
Q4 24
6.4%
Q3 24
6.3%
Q2 24
3.1%
Q4 23
2.5%
Q3 23
4.2%
Cash Conversion
AMBQ
AMBQ
ARM
ARM
Q4 25
1.64×
Q3 25
2.38×
Q2 25
2.55×
Q4 24
1.68×
Q3 24
0.06×
Q2 24
-1.30×
Q4 23
3.56×
Q3 23

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMBQ
AMBQ

Segment breakdown not available.

ARM
ARM

Royalty$737.0M59%
Transferred Over Time$294.0M24%
Transferred At Point In Time$211.0M17%

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