Total assets in the country's exchange traded funds in April fell 3.6% to $220.59 billion, according to the Investment Company Institute. The ICI also said that the total assets in the country's closed-end funds stood at $259.65 billion at the end of March.

Last month, equity index ETF assets fell by $8.66 billion to $208.75 billion, while bond index ETF assets shot up by $528 million to $11.84 billion. Assets of domestic equity ETFs decreased by $8.14 billion, and international equity ETF assets decreased by $518 million.

Subscribe Now

Access to premium content including in-depth coverage of mutual funds, hedge funds, 401(K)s, 529 plans, and more.

3-Week Free Trial

Insight and analysis into the management, marketing, operations and technology of the asset management industry.