ChipMOS (IMOS) Q2 2026 earnings review
Record Revenue as Memory Boom Drives Massive Turnaround
ChipMOS delivered its highest quarterly revenue since 2014, breaking the NT$7.38 billion mark. The 28.7% YoY revenue surge was entirely driven by a roaring Memory segment, completely reversing the grim narrative from a year ago. Margins are expanding aggressively: gross margin hit 18.0%, up from a depressed 6.6% in 25Q2. Meanwhile, a favorable shift in foreign exchange eliminated the severe non-operating drag seen last year, allowing the massive operational leverage to fall straight to the bottom line, resulting in NT$1.28 EPS.
🐂 Bull Case
Memory revenue surged 46.7% YoY, heavily outperforming. Management notes DRAM demand continues to exceed supply, extending strong visibility through the rest of 2026.
Gross margin expanded 11.4 percentage points YoY to 18.0%. The return of volume has dramatically improved factory absorption and profitability.
🐻 Bear Case
The Display Driver IC (DDIC) segment grew only 14.1% YoY, half the rate of the overall business. It remains tethered to a sluggish consumer and auto end-market.
H1 2026 CapEx jumped by NT$1.75B YoY. As the company ramps up investments for Silicon Photonics and AI ASIC, free cash flow generation could face pressure.
⚖️ Verdict: 🟢
Bullish. The combination of record top-line growth, accelerating margins, and a structural supply-demand imbalance in the company's largest segment (Memory) makes this a remarkably strong print. The FX headwinds of 2025 are firmly in the rearview mirror.
Key Themes
Memory Demand Exceeds Supply
Accelerating. The Memory segment is the undisputed engine of this quarter, accounting for 51.0% of total revenue and growing 46.7% YoY. Management explicitly stated that 'DRAM demand continues to exceed supply,' providing a strong macro tailwind. This is a significant shift from 2025, where the company had to push through OSAT price hikes just to offset weak volume.
Utilization Rebound Drives Operating Leverage
Reversing positively. Across the board, factory utilization has improved dramatically compared to the trough in 2025. Bumping hit 78% (up from 64% in 25Q2), while Assembly reached 69%. This absorption of fixed costs is the primary driver behind the gross margin expanding 420 basis points sequentially and 1,140 basis points YoY.
DDIC Subpar Growth Trajectory
Decelerating relative to the portfolio. While DDIC and Gold Bump technically grew 14.1% YoY, it significantly lagged the company's 28.7% average. Auto panel demand is merely 'stable' rather than growing, and OLED relies primarily on seasonal re-stocking rather than secular breakouts. The mix shift toward Memory is currently saving the blended growth rate.
CapEx Surge Weighs on Cash Generation
Despite the massive jump in operating profit (up NT$1.33B in H1), heavy investments are dampening net free cash flow. CapEx increased by NT$1.75B YoY in the first half of the year. If demand visibility falters, this elevated capital intensity could quickly degrade the company's cash cushion.
Foreign Exchange Volatility Neutralized
Stable. In 25Q2, ChipMOS suffered a devastating NT$685M foreign exchange loss that wiped out operating profits. This quarter, non-operating income was a positive NT$78.9M. The neutralization of this headwind allows investors to finally value the company on its core operational merits.
Other KPIs
Decelerating. This is a sharp drop from H1 2025's free cash flow of NT$1,667 million. While operating profits soared, the cash was aggressively consumed by a NT$1.75 billion increase in CapEx and a negative swing in income taxes (NT$335M impact).
Accelerating sequentially. Up from 68% in 1Q26 and 67% in 25Q2. While the DDIC segment's revenue growth is lagging Memory, the factory lines are filling up, pointing to improved fixed-cost absorption in the display driver business heading into the seasonal H2 peak.
Guidance
Accelerating. Management explicitly guides for a stronger second half, led primarily by the Memory segment. They cite strong visibility extending through the end of 2026, a stark contrast to the 'cautious consumer demand' narrative they held this time last year.
Key Questions
CapEx ROI Timeline
With H1 CapEx increasing by NT$1.75B YoY, which specific product lines are driving this investment, and when should investors expect these new assets to contribute to top-line growth?
Silicon Photonics Strategy
You listed the Silicon Photonics supply chain as a new long-term driver. Can you quantify your current technical readiness and outline the timeline for material revenue contribution from this initiative?
DDIC Pricing Dynamics
Given that DDIC utilization has recovered to 74%, are you seeing any opportunity to reverse the ASP cuts that severely pressured margins in 2025, or does the competitive landscape still prohibit price hikes?