ASE Technology Holding
ASX · NYSE · Technology
$41.63
+$1.71 (+4.10%) today
Market Cap
$108.39B
24h Volume
$797.8M
P/E Ratio
50.8
52w High
$44.67
52w Low
$10.97
Est. AI Revenue
20%
7-Day Sparkline (Static)
Company facts
Performance
About ASE Technology Holding
ASE Technology Holding is the world's largest outsourced semiconductor assembly and test company, or OSAT. Chip designers and foundries pay ASE to package finished silicon into usable components and test them before shipment. Its subsidiary USI adds electronics manufacturing services, building complete modules and boards.
For the AI buildout, the segment to watch is advanced packaging. ASE's VIPack platform and FOCoS fan-out technology assemble high-performance chips that pair logic with high-bandwidth memory, and ASE works alongside TSMC's CoWoS ecosystem to handle packaging and test for accelerators and networking silicon. Test intensity, the time and equipment needed per chip, rises sharply on AI parts.
Founded in 1984 in Kaohsiung, Taiwan, ASE employs over 100,000 people and trades on the NYSE as an ADR.
ASE Technology Holding in the AI buildout
ASE sits in the Semiconductors layer and Chip Equipment layer of the buildout. Advanced packaging has become a chokepoint for AI chip supply, and as the world's largest OSAT, ASE provides overflow capacity and specialized fan-out technologies that complement TSMC's in-house CoWoS lines. Every AI accelerator and networking chip must also be tested, and AI silicon needs far more test time per part, which raises ASE's revenue content as the buildout scales.
ASX is tracked in Semiconductors and Chip Equipment & Foundries, rated Strategic on the AI Exposure leaderboard.
By the numbers
52-week range
ASX trades at $41.63, 91% of the way up its 52-week range of $10.97 to $44.67.
Market cap
Market capitalization is $108.39B, with an AI Exposure Score of 50 out of 100.
Valuation vs peers
Its P/E ratio of 50.8 is in line with the Semiconductors category median of 45.6.
Next earnings
ASE Technology Holding is next expected to report earnings on October 29, 2026.
Market data as of the close on . Prices are end of day, not live.
Frequently asked questions
What does ASE Technology Holding do?
ASE is the world's largest outsourced provider of semiconductor packaging and testing. It assembles finished silicon into usable chips, tests them, and through its USI subsidiary manufactures complete electronic modules. Customers include most of the major fabless chip designers and foundries.
How is ASE Technology Holding exposed to AI?
ASE handles advanced packaging and test for AI accelerators and networking chips, working alongside TSMC's CoWoS ecosystem, and AI parts require far more test time than mainstream chips. Supercycle rates it Strategic with an AI Exposure Score of 50 out of 100.
What is ASE's relationship with TSMC?
TSMC fabs the wafers and does much of its own leading-edge packaging, but capacity for AI chips is tight. ASE provides complementary and overflow packaging and test capacity, plus its own fan-out platforms, making it a key partner in getting finished AI silicon out the door.
Is ASX a pure play AI stock?
No. Supercycle classifies ASE as Strategic, at the lower end. AI packaging and test is its fastest-growing line, but most volume remains mainstream consumer, communications, and automotive chips, so results track the broad semiconductor cycle.
Who leads ASE?
Jason Chang, ASE's founder, serves as chairman and CEO of the holding company, with his brother Richard Chang as vice chairman. The group is headquartered in Kaohsiung, Taiwan, and employs over 100,000 people worldwide.
Profile written 2026-08, updated as the business changes. Editorial content, not investment advice.
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