Index Ownership Has Gone Global

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Bo Becker, Rüdiger Fahlenbrach and Ehsan Mahdikhani

ECGI Blog, European Corporate Governance Institute (ECGI)

2026

Abstract

Index-based investors owned 3% of world market capitalization in early 2004 and 17% at the end of 2023.

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Title: Index Ownership Has Gone Global
Creators: Bo Becker - Stockholm School of Economics, Department of Finance
Rüdiger Fahlenbrach - Swiss Finance Institute
Ehsan Mahdikhani - Stockholm School of Economics, Department of Finance
Series: ECGI Blog
Publisher: European Corporate Governance Institute (ECGI)
Academic Unit: Department of Finance; Swedish House of Finance
Language: English
Resource Type: Blog