Ambiq Micro (AMBQ) Stock Fundamentals, Analysis & Risk Signals

Health score, price, valuation, risk signals, and key metrics at a glance.

Ambiq Micro

NYSE•Technology•Semiconductors

$59.90-0.95(-0.02%)Pre-market

Market Cap

$1.42B

P/S

12.5x

P/B

3.5x

Ambiq Micro, Inc. provides ultra-low-power semiconductor solutions in the United States, Europe, Asia, and internationally. It develops sub-threshold power-optimized technology (SPOT) platform which is designed to reduce power consumption of battery- and wireline-powered devices alike. The company's flagship products include Apollo family of products which pair rich peripheral sets with host processors capable of software-based AI computations or vector-accelerated AI computations; and Atomiq, targeting AI applications to provide AI acceleration along with new memory innovations. It also provides AmbiqSuite Software Development Kit (SDK), which provides firmware and drivers required to operate systems-on-chips (SoC); software modules, such as graphiqSPOT for graphics and display management, blueSPOT for Bluetooth communications, secureSPOT for managing security, and others; and AI enablement software. The company serves various markets requiring on-device and real-time AI, including smartwatches and fitness trackers, augmented and virtual reality (AR/VR) glasses, smart rings, digital health monitors, security systems and access control, livestock tracking, crop monitoring, and factory automation. It offers its products through internal direct sales force, and through a network of distributors and sales representatives. The company was formerly known as Cubiq Microchip, Inc. and changed its name to Ambiq Micro, Inc. in October 2012. The company was incorporated in 2010 and is based in Austin, Texas.

How this company scores

AverageMetricSide Score: 44/100

Strongest: Balance Sheet & Red Flags (15/25); weakest: Cash & Earnings Quality (8/25).

Profitability11/25

Growth10/25

Balance Sheet & Red Flags15/25

Cash & Earnings Quality8/25

Strengths

Long cash runwayInterest easily coveredCash-backed earningsConsistent growth

Valuation vs. 5-year range

Today's multiple positioned against its own trailing range — a visual premium/discount check.

P/S · 12.5x5y range 4.9x – 12.5x

P/B · 3.5x5y range 1.4x – 3.5x

Currently above its 4-quarter median.

Watch items

Data-driven signals worth keeping an eye on across the last 8 quarters

High Risk

Margin Pressure

Red Flag

The company posted negative operating margins in recent quarters — core operations are unprofitable.

Earnings Quality

Red Flag

Free cash flow has been negative in 5 of the last 5 quarters — earnings are not translating to cash.

Price & Volume

Market Cap $1.42B

Metrics at a Glance

as of June 2026

Revenue & Profit

Revenue, EBITDA, operating income, net income, EPS, and shares

TTM Revenue: $113.60M
Q. Revenue: $33.90M
TTM EBITDA: $-44.24M
TTM Op. Income: $-51.16M
Q. Op. Income: $-8.73M
TTM Net Income: $-45.25M
Q. Net Income: $-7.12M
EPS: $-0.32
Shares Out.: $21.74M

$113.60M in TTM revenue grew from zero YoY, reaching $33.90M last quarter. TTM EBITDA of $-44.24M and TTM operating income of $-51.16M show growth is flowing through to the bottom line. However, net income is negative at $45.25M — growth is not yet reaching the bottom line. Across the last 5 quarters, TTM revenue has risen for 2 consecutive quarters — an improving trend.

Margins

Gross, EBITDA, operating, and net margin trends

Gross Margin: 45.0%
EBITDA Margin: -20.5%
Op. Margin: -25.7%
Net Margin: -21.0%

Op. margin of -25.7% is up 23.5% YoY — cost efficiency is improving. Net margin at -21.0% and gross margin of 45.0% show how much of each revenue dollar survives to profit. Across the last 5 quarters, operating margin has risen for 2 consecutive quarters — an improving trend.

Price Ratios

P/E, P/S, P/B, EV/EBITDA, FCF yield, and earnings yield

P/E Ratio: N/A
P/S Ratio: 12.5x
P/B Ratio: 3.5x

P/S of 12.5x and P/B of 3.5x. P/S is high, meaning growth expectations are priced in.

Assets & Liabilities

Total assets, cash, debt, book value, and leverage

Total Assets: $435.62M
Cash: $366.77M
Long-Term Debt: N/A
Book Value: $404.67M
D/E Ratio: N/A
Debt/EBITDA: N/A

Cash Flow

Operating cash flow, free cash flow, FCF margin, and earnings quality

Op. Cash Flow: $-9.51M
TTM Free Cash Flow: $-31.49M
FCF Margin: -27.7%
FCF / Net Income: 0.7

TTM FCF of $-31.49M on $-9.51M in operating cash flow. The FCF / Net Income ratio of 0.7x means cash covers only part of net income — earnings quality needs attention. Over the past year, free cash flow is up 0% — an improving trend.