Samsung Electronics and SK Hynix are 44.4% of South Korea's MSCI Korea 25/50 index, against 14.8% for the S&P 500's two largest names
Samsung Electronics 21.9% and SK Hynix 22.5% · S&P 500: Apple and Nvidia; ten largest 39.1% against Korea's 59.5% · The index caps every company at 25% and companies above 5% together at 50%, which keeps the pair near half, so it is not KOSPI's uncapped market-cap weight
Companies/Indices · Companies · BlackRock iShares (MSCI South Korea ETF holdings) and State Street (SPY holdings) · 4 Nov 2026