Vanguard International Semiconductor: Cyclical Recovery Priced In; Relative Value vs. AI Plays Caps Upside

Core Thesis

Vanguard is capturing a strong cyclical upswing in utilization and wafer pricing, but the stock already trades 25% above Morgan Stanley's revised NT$148 target. The Equal-weight rating reflects a relative preference for AI-exposed names (TSMC, MediaTek, SMIC) over mature-node foundries, where the recovery is largely discounted.

What the Market Is Underestimating

Near-term operational momentum is visible: utilization climbed to 85-90% in 2Q26, and the company expects further gains in 2H26. ASPs are rising on PMIC wafer price hikes. However, two structural pressures are overlooked: (1) the VSMC 12-inch Singapore fab start in 2027 will add depreciation drag before revenue scales; (2) the stock's relative valuation vs. AI plays leaves little room for further multiple expansion.

Evidence Chain

• 1Q26 preliminary results drove a 13-14% EPS revision across 2026-2028. Utilization improved from 71.8% in 2025 to 80.4% in 2026e. Wafer ASP rose from $573 to $622.
• The base case assumes 16% revenue CAGR (2025-28), supported by LCD driver IC and PMIC demand recovery. The bull case of NT$215 requires >20% CAGR and 4.5x 2027e BVPS — achievable only under exceptional semi demand.
• Capex will exceed 2025 levels due to the VSMC expansion, pressuring free cash flow and margins in the early years. VSMC capacity is fully booked, but depreciation starts in 2027.

Key Risks

Downside: Weaker LCD driver IC demand, intensified competition in power semiconductors, IDM customers moving production in-house, or slower EV adoption. The bear case of NT$90 (1.9x 2027e BVPS) implies a severe demand deceleration.

Upside: Faster-than-expected EV penetration, loosened 8-inch foundry competition, or persistent analog IDM inventory restocking. The bull case of NT$215 provides ~16% upside from the current price.

Valuation / Trade Implication

At NT$185.50 (May 7 close), the stock exceeds the new NT$148 base target. Even the bull case offers only modest upside. Risk/reward is asymmetrically tilted downward. Investors should consider rotating into higher-conviction AI-linked holdings within the semiconductor space, where earnings momentum and valuation support are stronger.

*2028e figure reflects partial year or restructuring; note data discontinuity in source.