Small Cap Indexes
Our small-cap indexes seek to represent the performance of the diversified set of sectors and industries among small-cap companies across both developed and emerging markets. While the MSCI World Index comprises around 1,325 constituents, for example, the MSCI World Small Cap Index comprises over 3,800.1
Target benefitsThink bigger about small caps
Tap into diverse universe
Access indexes that cover wide variety of sector and industry exposures.
Seek opportunities across markets
Leverage extensive suite of indexes encompassing both developed and emerging markets.
Refine your investment universe
Target small-cap companies through small-cap indexes or as part of our broader investable market indexes.
Our indexes aim to cover the investable market
We use a dynamic approach to classify companies by small-, mid- or large-cap to ensure our indexes remain agile and evolve along with the markets.
* Indicative only; actual values may vary by up to ±5%
Small Cap IndexesView performance details, fact sheets and more
Broad opportunity set
Both academic2 and MSCI research3 have examined the unique characteristics of small-cap companies and their role in diversification and potential returns over time.
Related to Small Cap Indexes
Developed Markets Indexes
Explore indexes designed to measure the performance of established capital markets.

Emerging Markets Indexes
Identify opportunities across transforming global economies with our suite of Emerging Markets Indexes.

1 As of June 2025.
2 Fama, Eugene F & French, Kenneth R, 1992. "The Cross-Section of Expected Stock Returns," Journal of Finance, American Finance Association, vol. 47(2), pages 427-465, June.
3 https://www.msci.com/www/blog-posts/small-caps-have-been-a-big/03951176075

