Compare · AOSL vs ARM
AOSL vs ARM
Side-by-side comparison of Alpha and Omega Semiconductor Limited (AOSL) and Arm Holdings plc (ARM): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both AOSL and ARM operate in Semiconductors (Technology), so they compete in similar markets.
- ARM is the larger of the two at $364.90B, about 290.2x AOSL ($1.26B).
- Over the past year, AOSL is up 72.4% and ARM is up 147.5% - ARM leads by 75.1 points.
- ARM has been more active in the news (28 items in the past 4 weeks vs 8 for AOSL).
- ARM has more recent analyst coverage (25 ratings vs 8 for AOSL).
- Company
- Alpha and Omega Semiconductor Limited
- Arm Holdings plc
- Price
- $42.29-15.82%
- $343.04-12.79%
- Market cap
- $1.26B
- $364.90B
- 1M return
- -14.44%
- +44.54%
- 1Y return
- +72.40%
- +147.47%
- Industry
- Semiconductors
- Semiconductors
- Exchange
- NASDAQ
- NASDAQ
- IPO
- 2010
- 2023
- News (4w)
- 8
- 28
- Recent ratings
- 8
- 25
Alpha and Omega Semiconductor Limited
Alpha and Omega Semiconductor Limited designs, develops, and supplies power semiconductor products for computing, consumer electronics, communication, and industrial applications. The company offers power discrete products, including metal-oxide-semiconductor field-effect transistors (MOSFET), SRFETs, XSFET, electrostatic discharge, protected MOSFETs, high and mid-voltage MOSFETs, and insulated gate bipolar transistors. Its power discrete products are used in smart phone 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. The company 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. Its power ICs are used in flat panel displays, TVs, Notebooks, graphic cards, servers, DVD/Blu-Ray players, set-top boxes, and networking equipment. In addition, the company offers aMOS5 family for quick charger, adapter, PC power, server, industrial power, telecom, and datacenter applications; and Transient Voltage Suppressors for notebooks and mobile devices. Further, it provides EZBuck regulators for chipsets used in TVs, servers, data storage systems, networking, and other compact PC systems; SOA MOSFET for hot swap applications; and XSPairFET buck-boost MOSFET for type-c applications, such as notebook, USB hubs, and power banks. Additionally, the company offers input protection switches and TO-leadless packaging technologies. The company operates in Hong Kong, China, South Korea, the United States, and internationally. Alpha and Omega Semiconductor Limited was incorporated in 2000 and is headquartered in Sunnyvale, California.
Latest AOSL
- Director Chang Mike F gifted 30,000 shares, decreasing direct ownership by 0.83% to 3,584,294 units (SEC Form 4)
- See Alpha and Omega Semiconductor at PCIM 2026 to Learn About Their Advanced AI Core Power, AI Data Center, and Industrial Power Solutions
- Director Chang Mike F gifted 39,780 shares, decreasing direct ownership by 1% to 3,614,294 units (SEC Form 4)
- Director Chang Mike F gifted 736,252 shares (SEC Form 4)
- Director Chen Claudia sold $160,536 worth of Common Share (4,061 units at $39.53) as part of a pre-agreed trading plan, decreasing direct ownership by 13% to 28,192 units (SEC Form 4)
- Chief Executive Officer Chang Stephen Chunping gifted 2,000 units of Common Share, decreasing direct ownership by 0.31% to 634,070 units (SEC Form 4)
- EVP-WW Sales & Bus Development Xue Bing sold $201,556 worth of Common Share (4,916 units at $41.00) as part of a pre-agreed trading plan, decreasing direct ownership by 4% to 127,701 units (SEC Form 4)
- Alpha and Omega Semiconductor Unveils Total Power Solution for Next-Gen Intel Panther Lake and Wildcat Lake Platforms
- Alpha and Omega Semiconductor Limited filed SEC Form 8-K: Completion of Acquisition or Disposition of Assets, Financial Statements and Exhibits
- SEC Form 10-Q filed by Alpha and Omega Semiconductor Limited
Latest ARM
- Chief Accounting Officer Bartels Laura Kathleen sold $4,439,866 worth of Ordinary Shares (11,306 units at $392.70), decreasing direct ownership by 48% to 12,135 units (SEC Form 4)
- Chief Commercial Officer Abbey William sold $2,644,252 worth of Ordinary Shares (6,566 units at $402.72), decreasing direct ownership by 24% to 20,563 units (SEC Form 4)
- Chief Commercial Officer Abbey William sold $1,444,002 worth of Ordinary Shares (4,200 units at $343.81), decreasing direct ownership by 13% to 27,129 units (SEC Form 4)
- Chief Commercial Officer Abbey William sold $703,386 worth of Ordinary Shares (2,300 units at $305.82), decreasing direct ownership by 7% to 31,329 units (SEC Form 4)
- SEC Form SD filed by Arm Holdings plc
- SEC Form IRANNOTICE filed by Arm Holdings plc
- SEC Form 20-F filed by Arm Holdings plc
- Chief Commercial Officer Abbey William sold $1,336,125 worth of Ordinary Shares (4,655 units at $287.03), decreasing direct ownership by 12% to 33,629 units (SEC Form 4)
- Chief People Officer Eaton Charlotte Claire sold $2,263,520 worth of Ordinary Shares (7,805 units at $290.01), closing all direct ownership in the company (SEC Form 4)
- Chief Legal Officer Collins Spencer sold $8,802,315 worth of Ordinary Shares (40,941 units at $215.00), closing all direct ownership in the company (SEC Form 4)