ISU Petasys grew Q2 2026 revenue 57.4% to 379.9 billion won with an operating margin of 20.3%, its best quarter ever, on boards that sit under AI accelerators and switches.
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| Period | 007660 | KOSPI | Difference |
|---|---|---|---|
| 1 week | -1.5% | -1.5% | -0.0% |
| 1 month | +39.6% | +5.2% | +34.4% |
| 3 months | -16.9% | -22.6% | +5.7% |
| 6 months | +12.4% | +31.3% | -18.8% |
| Year to date | -6.8% | +58.7% | -65.5% |
| 1 year | +73.1% | +108.9% | -35.9% |
Closed at 51% of the way from its 52-week low (₩59,200) to its 52-week high (₩161,400).
ISU Petasys makes high-layer-count printed circuit boards, the dense multilayer boards that carry signals inside network switches and AI accelerator systems. Its customers include the makers of AI server hardware, whose data-center buildouts pushed its capacity into shortage. The engineering difficulty of very high layer counts limits how many suppliers can qualify for this work, which is what gives the company its position. US investors reach it while tracing what sits physically underneath Nvidia-class systems.
| Sector | Semiconductors | Employees | |
| Market | KOSPI | Founded | |
| Korean name | 이수페타시스 | Head office |
| Symbol | Last Price |
|---|---|
| 042700Hanmi Semiconductor Co., Ltd. | ₩230,000 +9.3% |
| 036930Jusung Engineering Co., Ltd. | ₩178,300 +6.1% |
| 240810Wonik IPS Co., Ltd. | ₩114,800 +9.3% |
| 039030EO Technics Co., Ltd. | ₩443,000 +6.0% |
| 058470Leeno Industrial Inc. | ₩66,600 +3.6% |
| 403870HPSP Co., Ltd. | ₩50,800 +1.2% |
| 000990DB HiTek | ₩89,900 +2.0% |
| 440110FADU, Inc. | ₩67,300 +9.4% |
| 080220Jeju Semiconductor Corp. | ₩71,800 +4.4% |
| 067310Hana Micron, Inc. | ₩34,850 +0.4% |