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Side-by-side financial comparison of Ambiq Micro, Inc. (AMBQ) and Postal Realty Trust, Inc. (PSTL). Click either name above to swap in a different company.

Postal Realty Trust, Inc. is the larger business by last-quarter revenue ($26.0M vs $18.2M, roughly 1.4× Ambiq Micro, Inc.). Postal Realty Trust, Inc. runs the higher net margin — 17.9% vs -49.6%, a 67.4% 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...

Postal Realty Trust, Inc. is a specialized real estate investment trust that acquires, owns, and manages properties primarily leased to the United States Postal Service. Its portfolio includes last-mile postal facilities, sorting centers, and retail post office locations across the U.S., supporting critical mail and package delivery infrastructure.

AMBQ vs PSTL — Head-to-Head

Bigger by revenue
PSTL
PSTL
1.4× larger
PSTL
$26.0M
$18.2M
AMBQ
Higher net margin
PSTL
PSTL
67.4% more per $
PSTL
17.9%
-49.6%
AMBQ

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
AMBQ
AMBQ
PSTL
PSTL
Revenue
$18.2M
$26.0M
Net Profit
$-9.0M
$4.6M
Gross Margin
42.3%
Operating Margin
-55.3%
39.2%
Net Margin
-49.6%
17.9%
Revenue YoY
21.7%
Net Profit YoY
3.1%
EPS (diluted)
$-0.72
$0.16

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
PSTL
PSTL
Q4 25
$26.0M
Q3 25
$18.2M
$24.3M
Q2 25
$17.9M
$23.4M
Q1 25
$22.1M
Q4 24
$21.4M
Q3 24
$19.7M
Q2 24
$18.1M
Q1 24
$17.3M
Net Profit
AMBQ
AMBQ
PSTL
PSTL
Q4 25
$4.6M
Q3 25
$-9.0M
$3.8M
Q2 25
$-8.5M
$3.6M
Q1 25
$2.1M
Q4 24
$4.5M
Q3 24
$1.1M
Q2 24
$817.0K
Q1 24
$206.0K
Gross Margin
AMBQ
AMBQ
PSTL
PSTL
Q4 25
Q3 25
42.3%
Q2 25
40.1%
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Operating Margin
AMBQ
AMBQ
PSTL
PSTL
Q4 25
39.2%
Q3 25
-55.3%
37.6%
Q2 25
-49.2%
37.3%
Q1 25
28.4%
Q4 24
43.2%
Q3 24
24.3%
Q2 24
22.8%
Q1 24
17.6%
Net Margin
AMBQ
AMBQ
PSTL
PSTL
Q4 25
17.9%
Q3 25
-49.6%
15.7%
Q2 25
-47.5%
15.5%
Q1 25
9.4%
Q4 24
21.1%
Q3 24
5.4%
Q2 24
4.5%
Q1 24
1.2%
EPS (diluted)
AMBQ
AMBQ
PSTL
PSTL
Q4 25
$0.16
Q3 25
$-0.72
$0.13
Q2 25
$-18.89
$0.12
Q1 25
$0.06
Q4 24
$0.17
Q3 24
$0.03
Q2 24
$0.02
Q1 24
$-0.01

Balance Sheet & Financial Strength

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

Metric
AMBQ
AMBQ
PSTL
PSTL
Cash + ST InvestmentsLiquidity on hand
$146.5M
$1.5M
Total DebtLower is stronger
$361.1M
Stockholders' EquityBook value
$169.8M
$285.2M
Total Assets
$186.7M
$759.1M
Debt / EquityLower = less leverage
1.27×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMBQ
AMBQ
PSTL
PSTL
Q4 25
$1.5M
Q3 25
$146.5M
$1.9M
Q2 25
$47.5M
$1.1M
Q1 25
$639.0K
Q4 24
$1.8M
Q3 24
$970.0K
Q2 24
$1.7M
Q1 24
$1.9M
Total Debt
AMBQ
AMBQ
PSTL
PSTL
Q4 25
$361.1M
Q3 25
$347.0M
Q2 25
$328.8M
Q1 25
$306.7M
Q4 24
$296.7M
Q3 24
$277.0M
Q2 24
$273.7M
Q1 24
$247.6M
Stockholders' Equity
AMBQ
AMBQ
PSTL
PSTL
Q4 25
$285.2M
Q3 25
$169.8M
$273.9M
Q2 25
$-307.3M
$250.8M
Q1 25
$245.5M
Q4 24
$251.3M
Q3 24
$245.6M
Q2 24
$245.5M
Q1 24
$248.1M
Total Assets
AMBQ
AMBQ
PSTL
PSTL
Q4 25
$759.1M
Q3 25
$186.7M
$735.2M
Q2 25
$89.2M
$689.8M
Q1 25
$654.0M
Q4 24
$646.8M
Q3 24
$615.1M
Q2 24
$608.2M
Q1 24
$584.1M
Debt / Equity
AMBQ
AMBQ
PSTL
PSTL
Q4 25
1.27×
Q3 25
1.27×
Q2 25
1.31×
Q1 25
1.25×
Q4 24
1.18×
Q3 24
1.13×
Q2 24
1.11×
Q1 24
1.00×

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
PSTL
PSTL
Operating Cash FlowLast quarter
$-5.0M
$44.5M
Free Cash FlowOCF − Capex
$37.6M
FCF MarginFCF / Revenue
144.5%
Capex IntensityCapex / Revenue
26.7%
Cash ConversionOCF / Net Profit
9.59×
TTM Free Cash FlowTrailing 4 quarters
$65.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMBQ
AMBQ
PSTL
PSTL
Q4 25
$44.5M
Q3 25
$-5.0M
$10.9M
Q2 25
$-10.5M
$11.4M
Q1 25
$10.8M
Q4 24
$33.5M
Q3 24
$8.0M
Q2 24
$9.9M
Q1 24
$6.4M
Free Cash Flow
AMBQ
AMBQ
PSTL
PSTL
Q4 25
$37.6M
Q3 25
$8.8M
Q2 25
$9.1M
Q1 25
$10.2M
Q4 24
$30.7M
Q3 24
$7.4M
Q2 24
$8.9M
Q1 24
$5.8M
FCF Margin
AMBQ
AMBQ
PSTL
PSTL
Q4 25
144.5%
Q3 25
36.1%
Q2 25
38.8%
Q1 25
45.9%
Q4 24
143.8%
Q3 24
37.6%
Q2 24
49.4%
Q1 24
33.6%
Capex Intensity
AMBQ
AMBQ
PSTL
PSTL
Q4 25
26.7%
Q3 25
8.9%
Q2 25
10.1%
Q1 25
3.0%
Q4 24
13.0%
Q3 24
3.2%
Q2 24
5.4%
Q1 24
3.5%
Cash Conversion
AMBQ
AMBQ
PSTL
PSTL
Q4 25
9.59×
Q3 25
2.87×
Q2 25
3.16×
Q1 25
5.20×
Q4 24
7.44×
Q3 24
7.48×
Q2 24
12.10×
Q1 24
31.07×

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%

PSTL
PSTL

Segment breakdown not available.

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