Alpha and Omega Semiconductor
AOSL · NASDAQ · Technology
$25.40
+$0.19 (+0.75%) today
Market Cap
$768.59M
24h Volume
$44.7M
P/E Ratio
0.0
52w High
$53.32
52w Low
$17.47
Est. AI Revenue
20%
7-Day Sparkline (Static)
Company facts
Performance
About Alpha and Omega Semiconductor
Alpha and Omega Semiconductor designs and manufactures power semiconductors: MOSFETs, DrMOS power stages, multiphase controllers, and power ICs. Its chips convert and regulate electricity inside computers, servers, phones, TVs, and industrial equipment, and it operates its own packaging and testing operations alongside fab capacity through a joint venture in China.
In AI computing, its DrMOS and multiphase solutions deliver the high current that GPUs and accelerator cards demand, and growth in its computing segment is driven by power stages for AI servers. Each new accelerator generation draws more power, expanding the content opportunity on every board.
Founded in 2000 and headquartered in Sunnyvale, California, the company trades on the NASDAQ and serves PC, consumer, communications, and industrial markets alongside its growing computing business.
Alpha and Omega Semiconductor in the AI buildout
Alpha and Omega sits in the Semiconductors layer. AI accelerators cannot use grid electricity directly: it must be stepped down and delivered as precisely regulated high current at the point of load, and that is what the company's DrMOS power stages and multiphase controllers do on server boards and GPU cards. It is a smaller player in the same power delivery trend benefiting Infineon and Monolithic Power, with per-board content growing as accelerator power draw climbs each generation.
AOSL is tracked in Semiconductors, rated Strategic on the AI Exposure leaderboard.
By the numbers
52-week range
AOSL trades at $25.40, 22% of the way up its 52-week range of $17.47 to $53.32.
Market cap
Market capitalization is $768.59M, with an AI Exposure Score of 52 out of 100.
Next earnings
Alpha and Omega Semiconductor is next expected to report earnings on November 9, 2026.
Market data as of the close on . Prices are end of day, not live.
Frequently asked questions
What does Alpha and Omega Semiconductor do?
Alpha and Omega designs and makes power semiconductors, including MOSFETs, DrMOS power stages, and multiphase power ICs. Its chips regulate electricity in PCs, servers, consumer electronics, and industrial gear, with in-house packaging, testing, and joint-venture fab capacity.
How is Alpha and Omega Semiconductor exposed to AI?
Supercycle rates it Strategic with an AI Exposure Score of 52 out of 100. Its power stages have real content in AI server and accelerator power delivery, but PC, consumer, and industrial products still account for most of revenue.
What is DrMOS and why does it matter for AI?
DrMOS integrates a power driver and MOSFETs into one package that delivers regulated high current directly beside a processor. AI accelerators draw far more current than ordinary chips, so each accelerator board needs many power stages, growing content per server.
Who leads Alpha and Omega Semiconductor?
Stephen Chang serves as chief executive. He took over leadership from co-founder Mike Chang and has deep roots in the company's power semiconductor product lines, guiding its push into computing and AI server power delivery.
Is AOSL a pure play AI stock?
No. Alpha and Omega is a Strategic tier stock. AI server power delivery is its most important growth driver, but the company remains a diversified power semiconductor supplier across consumer, PC, and industrial markets.
Profile written 2026-08, updated as the business changes. Editorial content, not investment advice.
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