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Published online by Cambridge University Press: 11 August 2025
This article studies how ESG and conventional mutual funds trade stocks during the COVID-19 crash. Both fund types trade individual stocks similarly: Net purchases of ESG stocks are less sensitive than other stocks to fund flows pre-crash, but sensitivities increase for all stocks during the crash. In contrast, ESG funds’ aggregate net purchases are less sensitive than those of conventional funds during the crash. This difference is due to ESG funds’ portfolio tilt toward the less flow-sensitive ESG stocks. There is no evidence of an ESG clientele effect in trading decisions, as both fund types trade individual stocks similarly.
We thank Tim Adam, Massimiliano Affinito, Dimitrios Gounopoulos, Alexei Orlov, Raghu Rau, Jonathan Reuter, Luca Zucchelli, Alex Wagner, and participants at seminars at Fundação Getúlio Vargas, University of Bath, University of Calgary, University of Mississippi, University of Oregon, Canadian Sustainable Finance Network, the 2021 IFABS conference at Oxford, the Conference on “The Role of Institutional Investors in International Corporate Governance” at the University of Hamburg, the 2022 Financial Markets and Corporate Governance Conference, and the 2024 Public Investors Conference in Singapore for comments. We thank Morningstar for access to proprietary holdings data, and Emanuela Bassi, Michele Cicconetti, and Sara Silano for invaluable advice. An earlier version of the manuscript circulated with the title of “Mutual Fund Trading, Greenwashing, and ESG Clientele.” The views expressed in this article are those of the authors and do not necessarily represent the views of the institutions with which they are affiliated, Morningstar, or its content providers.