Alpha and Omega Semiconductor L (AOSL) Stock Fundamentals, Analysis & Risk Signals

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

Alpha and Omega Semiconductor L

NasdaqGS•Technology•Semiconductors

$25.78+0.97(0.04%)Market closed

Market Cap

$777.14M

P/S

1.1x

P/B

1.0x

Alpha and Omega Semiconductor Limited designs, develops, and supplies power semiconductor products for computing, consumer electronics, communication, and industrial applications in Hong Kong, China, South Korea, the United States, and internationally. The company offers power discrete products, including metal-oxide-semiconductor field-effect transistors (MOSFET), Shielded-Gate low voltage and mid-voltage MOSFETs, SuperJunction high voltage MOSFETs, and trench-stop insulated gate bipolar transistors (IGBTs), as well as application specific MOSFETs for use in smartphone chargers, battery packs, notebooks, desktop and servers, data centers, base stations, graphics card, game boxes, TVs, AC adapters, power supplies, motor control, power tools, e-vehicles, white goods and industrial motor drives, UPS systems, solar inverters, and industrial welding. It also provides power ICs that deliver power, as well as control and regulate the power management variables, such as the flow of current and level of voltage. The company's power ICs are used in flat panel displays, TVs, notebooks, graphic cards, servers, AI datacenters, DVD/Blu-Ray players, set-top boxes, and networking equipment. In addition, the company offers transient voltage protection products, analog switches, and electromagnetic interference filters for notebooks, desktop PCs, tablets, flat panel displays, TVs, smartphones, and portable electronic devices. Further, it provides silicon carbide, IPM, TVS, and HV gate drivers; and power modules, multiphase controllers, EZBuck regulators, and diode protection switches. Alpha and Omega Semiconductor Limited was incorporated in 2000 and is headquartered in Sunnyvale, California.

How this company scores

WeakMetricSide Score: 51/100

Grade capped at D — Interest coverage below 1× (-88.5x) — earnings cannot cover interest. Strongest: Profitability (17/25); weakest: Cash & Earnings Quality (5/25).

Profitability17/25

Growth12/25

Balance Sheet & Red Flags17/25

Cash & Earnings Quality5/25

Strengths

Long cash runwayLow leverageProfit converts from growthImproving leverage

Grade capped at D

Interest coverage below 1× (-88.5x) — earnings cannot cover interest.

Valuation vs. 5-year range

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

P/E · 72.5x5y range 1.9x – 72.5x

Currently above its 8-quarter median.

P/S · 1.1x5y range 0.9x – 2.2x

Currently near its 20-quarter median.

P/B · 1.0x5y range 0.7x – 2.1x

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 8 quarters — earnings are not translating to cash.

Price & Volume

Market Cap $777.14M

Metrics at a Glance

as of June 2026

Revenue & Profit

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

TTM Revenue: $678.93M
Q. Revenue: $170.37M
TTM EBITDA: $14.06M
TTM Op. Income: $-43.20M
Q. Op. Income: $-10.99M
TTM Net Income: $-42.27M
Q. Net Income: $-13.06M
EPS: $-0.433
Shares Out.: $30.14M

$678.93M in TTM revenue declined 2.5% YoY, reaching $170.37M last quarter. TTM EBITDA of $14.06M and TTM operating income of $-43.20M show growth is flowing through to the bottom line. However, net income is negative at $42.27M — growth is not yet reaching the bottom line. Across the last 8 quarters, TTM revenue has fallen for 3 consecutive quarters — a weakening trend.

Margins

Gross, EBITDA, operating, and net margin trends

Gross Margin: 23.1%
EBITDA Margin: 2.1%
Op. Margin: -6.4%
Net Margin: -7.7%

Op. margin of -6.4% is up 0.1% YoY — cost efficiency is improving. Net margin at -7.7% and gross margin of 23.1% show how much of each revenue dollar survives to profit. Over the past year, operating margin is up 2% — 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: 1.1x
P/B Ratio: 1.0x

P/S of 1.1x and P/B of 1.0x. P/S is low relative to typical market levels.

Assets & Liabilities

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

Total Assets: $963.55M
Cash: $180.77M
Long-Term Debt: $537,000
Book Value: $797.90M
D/E Ratio: 0.0
Debt/EBITDA: 0.2

With $963.55M in assets and $537,000 in long-term debt, D/E is 0.0and book value is $797.90M — a conservative capital structure with a cushion to weather downturns. Across the last 8 quarters, debt/equity has fallen for 7 consecutive quarters — an improving trend.

Cash Flow

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

Op. Cash Flow: $-10.04M
TTM Free Cash Flow: $-68.07M
FCF Margin: -10.0%
FCF / Net Income: 1.6

TTM FCF of $-68.07M on $-10.04M in operating cash flow. The FCF / Net Income ratio of 1.6x means free cash flow covers net income — earnings are backed by cash. Across the last 8 quarters, free cash flow has fallen for 6 consecutive quarters — a weakening trend.