MSCI Overhauls Global Equity Indexes in May 2026 Review
Event summary
- MSCI will add 49 securities and delete 101 from the MSCI ACWI Index as part of its May 2026 review.
- Changes will be implemented as of the close of May 29, 2026.
- Top additions to the MSCI World Index include Medline A, MasTec, and TechnipFMC.
- MSCI will not implement changes for securities classified in Bangladesh due to market accessibility issues.
The big picture
MSCI's semi-annual index review reflects ongoing shifts in global market capitalization and investor preferences. The additions and deletions across various indexes highlight the dynamic nature of equity markets, with significant implications for passive and active investment strategies. The continued exclusion of Bangladesh securities due to market accessibility issues underscores the challenges faced by index providers in maintaining accurate and representative benchmarks.
What we're watching
- Market Accessibility
- Whether MSCI's continued exclusion of Bangladesh securities will impact investor sentiment and portfolio diversification strategies.
- Index Composition
- How the addition of large-cap securities like Medline A and MasTec will affect the performance and benchmarking of the MSCI World Index.
- Emerging Markets Exposure
- The pace at which emerging market additions, such as those from China and Brazil, will influence global investment flows.
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