ASE Technology, Taiwan’s largest outsourced semiconductor assembly and test company, just bumped its 2026 capital expenditure plan by $2 billion to a total of $10.5 billion. The reason is the kind of problem most companies would love to have: too much demand, not enough capacity.
The 23.5% increase in spending is aimed squarely at expanding the company’s leading-edge advanced packaging, or LEAP, capabilities.
Blockbuster quarter, brutal stock reaction
The capex hike came alongside ASE’s Q2 2026 earnings release on July 30, and the numbers were genuinely impressive.
Consolidated revenue hit NT$191.1 billion for the quarter, a 27% jump compared to the same period last year. Net income landed at NT$21.07 billion, which represents a 180% year-over-year increase.
ASE shares dropped approximately 9.93% on the day of the announcement. Investors looked at the revenue growth, nodded approvingly, then looked at the $10.5 billion capex commitment and got nervous.
The AI packaging bottleneck
ASE’s management team, including CFO Joseph Tung and COO Tien Wu, framed the situation in stark terms during the earnings call. They described AI hardware demand as “insatiable,” pointing out that the company’s constraint isn’t finding customers. It’s building capacity fast enough to serve them.
The company’s LEAP revenue projection has been revised upward as well, now expected to reach approximately $3.7 billion for 2026, above the initial guidance of $3.5 billion. Packaging-and-testing service revenue is projected to grow 35% for the full year.
On the infrastructure side, ASE is currently running 13 greenfield projects alongside multiple brownfield expansions. Panel-level packaging is slated for volume production in Q1 2027.
Gross margin for Q2 came in at 21.0%.
What investors should watch
The key metric to watch going forward is whether ASE’s revenue growth can keep pace with its capex growth. A 27% revenue increase is strong, but it needs to be sustained to justify a 23.5% capex bump. If the 35% full-year growth projection for packaging-and-testing services holds, that math works out favorably.
The panel-level packaging timeline also deserves attention. If ASE hits its Q1 2027 volume production target, it would be among the first to commercialize this technology at scale. A delay would validate the execution concerns that drove the stock selloff.