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MSCI Lifts Taiwan Weights as AI, Chips Lead Market

1 reports · First detected 2026-08-13 · Last active 2026-08-13

MSCI’s quarterly and semiannual reviews reset the country and stock weights used by global investors, often prompting index-tracking funds to rebalance at the close. Taiwan’s rising share of major benchmarks matters because its market is heavily concentrated in advanced chips and artificial-intelligence hardware. Gains in Taiwan Semiconductor Manufacturing Co. and the broader AI supply chain have reinforced semiconductors and AI as the market’s dominant investment themes.

MSCI announced the review on May 13, 2026, raising Taiwan’s weight in the MSCI ACWI to 2.80%, the MSCI Emerging Markets Index to 23.76% and the MSCI AC Asia ex Japan Index to 27.16%. MPI Corp. was added to the Global Standard Indexes, while seven Taiwanese companies were removed, and TSMC’s MSCI Taiwan Index weight rose to 58.33%. The changes took effect after the May 29 close, with analysts estimating NT$150 billion to NT$250 billion in potential inflows.

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1 original reports
FINANCE.TECHNEWS.TW 2026-08-13
MSCI 台股權重「三級跳」狂勝印度！中國 A 股 31 檔新血確立半導體主線

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MSCI Quarterly Review Adds Semiconductor Standout MPI, Raises TSMC Weight2026-05-14 · 2 reports · similarity 0.85

MSCI indexes are key benchmarks for global institutional investors and passive funds, and changes to their constituents and weightings often drive substantial capital flows. MPI's promotion to the MSCI Global Standard Index reflects rising demand for semiconductor testing and the company's stronger industry position. It also underscores the semiconductor sector's continued dominance of Taiwan's equity market capitalization.

MSCI's latest quarterly review increased Taiwan's allocation and raised TSMC's weighting to 58.33%. Semiconductor test interface maker MPI was also added, while no memory-chip companies were included. The changes are scheduled to take effect after the market closes on May 29 and are estimated to attract about $2.3 billion in inflows, with passive funds set to rebalance their holdings according to the new weights.

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