Hong Kong investors focus on beneficiaries of the AMD server chain, substrates, and CCL supply tightness
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Hong Kong investors focus on beneficiaries of the AMD server chain, substrates, and CCL supply tightness
After meeting about 30 investors in Hong Kong from May 18 to 21, BofA Securities concluded that the market's core questions centered on beneficiaries of the AMD server supply chain, the match between valuation and earnings growth, the ranking of hardware materials, and the persistence of supply shortages.
- Investors were most focused on beneficiaries of the AMD server supply chain and names exposed to stronger server CPU demand, with the report citing relatively high-exposure companies such as Aspeed, MPI, TUC, Unimicron, NYPCB, and Kinsus.
- For test interface companies such as MPI and WinWay, investors worried about strong share prices and valuation levels after years of rerating; the report emphasized that earnings delivery or beats over the next several quarters to years could continue to support the stocks.
- In terms of hardware materials ranking, the report was relatively more positive on ABF substrates and high-end CCL because their supply tightness is expected to last longer; PCB faces a more fragmented competitive landscape and the impact of CPO adoption.
- On supply shortages, test interfaces and power semiconductors were flagged as subsectors with more pronounced new supply tightness due to longer delivery lead times.
- Within the PC fabless chain, the report was relatively more constructive on ASMedia than Parade, because Parade may not enter AMD-aligned ASIC-like business supply chains until as early as 2H27.
Report interpretation
Overview
This report is BofA Securities' feedback summary following its Taiwan technology sector marketing efforts in Hong Kong. The analysts met with about 30 investors in Hong Kong from May 18 to 21, 2026, and mainly discussed the AMD server supply chain, server CPU demand, test interface valuations, the ranking of hardware substrates/PCB/CCL, supply shortages, and preferences within the PC fabless supply chain. The report is not a full financial model update for any single company; rather, it is an industry allocation and subsector observation built from investor Q&A.
Core views
The core view is: first, the AMD server supply chain and stronger server CPU demand remain the main focus of investors, with high-exposure companies such as Aspeed, MPI, TUC, Unimicron, NYPCB, and Kinsus specifically named; second, valuation for test interface companies remains debatable, but earnings visibility and potential beats may continue to serve as share price catalysts; third, ABF substrates and high-end CCL are more attractive than PCB because supply tightness is expected to persist longer; fourth, longer lead times for test interfaces and power semiconductors indicate new supply constraints; and fifth, within the PC fabless direction, ASMedia is preferred over Parade.
Analysis framework
The report uses a Hong Kong roadshow feedback synthesis approach, organizing the high-frequency questions from roughly 30 investors by theme and combining them with the analysts' judgment on server CPU demand, AMD supply chain exposure, material supply and demand, valuation and earnings growth, and the timetable for PC fabless companies entering the supply chain to form a subsector preference ranking.
Methodology notes
Convert investors' high-frequency questions during the roadshow into industry focus areas
The report is not a systematic financial forecast update; instead, it summarizes the questions investors raised during the Hong Kong marketing period around the AMD server chain, valuation, supply shortages, and the PC supply chain, and provides the analysts' responses.
Judge beneficiary strength by companies' exposure to server controllers, probe cards, substrates, and related materials
The report names companies such as Aspeed, MPI, TUC, Unimicron, NYPCB, and Kinsus because they have relatively high exposure to the AMD server supply chain or stronger server CPU demand.
Use delivery lead times and shortage duration to judge subsector momentum
ABF substrates and high-end CCL are viewed as having more persistent shortages, while test interfaces and power semiconductors are also marked as supply-tight directions because lead times are longer.
Asset mapping & comparison
Structured mapping from thesis to named assets (strengths, weaknesses, peers, risks).
- AMD.USDemand and supply chain main theme
- Strengths
- Stronger server CPU demand and the expansion of AMD-aligned supply chains have increased attention on Taiwan's technology chain.
- Weaknesses
- The report focuses on supply chain beneficiaries rather than issuing a rating or target price update directly on AMD.
- Comparison
- Companies with high exposure to AMD-related supply chains are relatively more closely watched by investors.
- Risks
- Server demand falls short of expectations, supply chain entry is delayed, or the market has already priced in the good news.
- AspeedPotential beneficiary of the AMD server supply chain
- Strengths
- Higher exposure to server controllers; flagged by the report as a beneficiary direction.
- Weaknesses
- The report did not provide specific valuation or earnings forecast data.
- Comparison
- Grouped with other supply chain companies in the AMD server chain high-exposure list.
- Risks
- Fluctuations in server demand and changes in customer order pacing.
- MPIBeneficiary of test interfaces and probe cards
- Strengths
- May benefit from demand spillover and share gain; earnings visibility was emphasized.
- Weaknesses
- Investors worry about valuation because the stock has performed strongly and rerated over the past several years.
- Comparison
- Discussed alongside WinWay in the test interface segment.
- Risks
- Insufficient valuation digestion, weaker-than-expected demand spillover, or easing lead-time constraints.
- WinWayTest interface company
- Strengths
- The test interface segment is supported by server demand and supply tightness.
- Weaknesses
- It also faces concerns about elevated valuations and limited upside after rerating.
- Comparison
- Together with MPI, it was one of the names investors asked about in relation to valuation and earnings growth.
- Risks
- Earnings miss expectations or valuation multiples compress.
- UnimicronBeneficiary in the substrate supply chain
- Strengths
- As a substrate name, it was singled out as benefiting from ABF substrate supply tightness.
- Weaknesses
- The report did not disclose separate company-level financial forecasts.
- Comparison
- Along with NYPCB and Kinsus, it belongs to the substrate-related beneficiary list.
- Risks
- ABF shortages ease, capacity expands too quickly, or demand becomes volatile.
- NYPCBSubstrate/PCB-related beneficiary
- Strengths
- Listed as one of the companies with relatively high exposure to the AMD server chain.
- Weaknesses
- The PCB sector overall faces a more fragmented competitive landscape and the impact of CPO adoption.
- Comparison
- Within the substrate and PCB chain, it is important to distinguish high-end substrate beneficiaries from ordinary PCB pressure.
- Risks
- Rising competition, CPO substitution effects, and supply-demand improvement.
- KinsusBeneficiary in the substrate supply chain
- Strengths
- Included in the report among substrate-related high-exposure names.
- Weaknesses
- Lacks separate valuation and earnings forecast support.
- Comparison
- Shares the substrate beneficiary framework with Unimicron and NYPCB.
- Risks
- Changes in customer demand and capacity cycle risks.
- TUCBeneficiary in the CCL/materials chain
- Strengths
- High-end CCL supply remains tight, and the report is relatively more positive on CCL names.
- Weaknesses
- Changes in material prices and capacity may affect earnings flexibility.
- Comparison
- Relative to PCB, CCL is viewed as having a better supply-demand structure.
- Risks
- Supply tightness eases, raw material volatility, and slower downstream demand.
- ASMediaPC fabless supply chain
- Strengths
- The report is relatively more positive on ASMedia and views it as more attractive than Parade.
- Weaknesses
- The overall PC fabless direction still calls for caution.
- Comparison
- Compared with Parade, ASMedia is preferred in terms of timing and supply chain positioning.
- Risks
- Weak PC demand, delayed product cycles, or intensifying competition.
- ParadePC fabless supply chain
- Strengths
- It still attracts investor attention and has potential opportunities in AMD-aligned ASIC-like business.
- Weaknesses
- The report believes it may not enter AMD-related supply chains until as early as 2H27.
- Comparison
- The report is more cautious relative to ASMedia.
- Risks
- Supply chain entry is delayed, business validation falls short of expectations, or PC demand weakens.
Key data
- Roadshow location and datesHong Kong, 2026-05-18 to 2026-05-21The report says meetings were held with about 30 investors during this period.
- Number of investor meetingsAbout 30 investorsUsed to summarize the Hong Kong marketing feedback.
- AMD server chain beneficiariesAspeed, MPI, TUC, Unimicron, NYPCB, KinsusThe report says these companies have relatively higher exposure.
- Hardware materials rated more positivelyABF substrates, high-end CCLThe reason is that supply tightness or shortages are expected to last longer.
- Main pressure on PCBMore fragmented competitive landscape, impact from CPO adoptionThe report is therefore relatively cautious on PCB.
- New supply-tight directionsTest interfaces, power semiconductorsBased on longer product delivery lead times.
- PC fabless preferenceASMedia is relatively better than ParadeParade may not enter AMD-aligned ASIC-like business supply chains until as early as 2H27.
Impact & implications
For portfolios, the report suggests that opportunities within Taiwan technology are not evenly distributed; instead, investors should prioritize companies with higher exposure to AMD server CPUs, test interfaces, ABF substrates, high-end CCL, and some power semiconductors. The test interface sector, which has already rerated, will need future earnings delivery or beats to absorb the valuation; PCB requires greater caution because of competition and CPO technology changes. Opportunities in the PC fabless chain are more medium- to long-term, and the timing differences in when companies enter AMD-related businesses will affect relative attractiveness.
Risks
- For test interface companies, the strong share price performance and multi-year rerating have raised debate about whether valuation matches future earnings growth.
- The PCB sector has a more fragmented competitive landscape and may be negatively affected by CPO adoption.
- If supply tightness in ABF substrates, high-end CCL, test interfaces, and power semiconductors eases, the related beneficiary logic could weaken.
- If server CPU and AMD supply chain demand falls short of expectations, earnings visibility for high-exposure companies may decline.
- The timing for PC fabless companies such as Parade to enter AMD-aligned ASIC-like business supply chains may be later than expected.
- The report contains general investment disclosures and conflict-of-interest disclosures; investors should treat it as one factor rather than as the sole investment basis.
What to watch
- Whether stronger AMD server CPU demand continues and whether it passes through to Taiwan's server controller, probe card, substrate, and material supply chains.
- Whether earnings over the next several quarters for MPI, WinWay, and similar test interface companies meet or exceed market expectations.
- Lead times, pricing, and the pace of new capacity release for ABF substrates and high-end CCL.
- The actual magnitude of the impact on PCB from CPO adoption and intensifying competition.
- Whether delivery lead times for power semiconductors and test interface products continue to lengthen.
- The pace of supply chain entry for ASMedia and Parade in AMD-aligned or ASIC-like businesses, especially the changes around 2H27.