Investment Company InstituteIndustry body

ETF Share Class Operational Considerations

An October 2025 Investment Company Institute paper says at least 75 asset managers had sought SEC relief to add ETF share classes to existing mutual funds.

Flows· 43 pages · PDF

What it says

Figures as stated by Investment Company Institute, Oct 23, 2025
  • The Investment Company Institute says the SEC signaled on September 29, 2025 that it intended to approve the dual share class structure.ICI, p. 3
  • The Investment Company Institute expects an automated industry system for moving mutual fund shares into the matching ETF class to arrive by mid-2026.ICI, p. 11
  • The Investment Company Institute notes most broker platforms run mutual funds and ETFs on separate systems, and ETFs typically pay intermediaries no 12b-1 fees.ICI, p. 3
  • In a hypothetical example, the Investment Company Institute shows trading costs from mutual fund redemptions dropping from 0.150 basis points without an ETF class to 0.0375 with a large one.ICI, p. 17
  • Since ETF shares are only exchanged whole, the Investment Company Institute explains, any fractional remainder stays behind in the investor's mutual fund account.ICI

The ETFIQ take

ETFIQ data to Oct 20, 2026 · the 746 of 4,807 ETFs ETFIQ covers with a daily figure, Sep 21, 2026 to Oct 20, 2026

Investment Company Institute reports at least 75 asset managers had applied to the SEC to run ETF share classes, as of September 29, 2025. From Sep 21, 2026 to Oct 20, 2026, the ETFs ETFIQ can count had a net flow of +$127.9bn, with +$90.1bn for stock ETFs and +$35.7bn for bond ETFs.

Paper: US asset managers seeking ETF share classes, as of September 29, 2025. ETFIQ: the 746 of 4,807 ETFs ETFIQ covers with a daily figure, Sep 21, 2026 to Oct 20, 2026. Net flow is the change in shares outstanding times the day’s NAV, summed over the days in the window, for the funds with a daily figure. The two sets and windows differ; the figures are stated, not reconciled.MethodData

Questions people ask

What does the Investment Company Institute paper conclude?

An October 2025 Investment Company Institute paper says at least 75 asset managers had sought SEC relief to add ETF share classes to existing mutual funds. The paper’s own words are at the link above.

What does ETFIQ’s data show on the same question?

From Sep 21, 2026 to Oct 20, 2026, the ETFs ETFIQ can count had a net flow of +$127.9bn, with +$90.1bn for stock ETFs and +$35.7bn for bond ETFs. ETFIQ states both figures and does not reconcile them.

What is an ETF’s net flow?

The change in its shares outstanding times its net asset value, summed over the days of a window: money in less money out. More on this →

Where can I read “ETF Share Class Operational Considerations”?

On Investment Company Institute’s own site. ETFIQ summarizes the paper and does not host it. Investment Company Institute’s page ↗
Cite this pageCitation, APA and Markdown

ETFIQ, ETF Share Class Operational Considerations (Investment Company Institute), summary and ETFIQ take, as of Oct 21, 2026. https://etfiq.com/research/library/ici-etf-share-class-operational-considerations/

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Summary by ETFIQ. ETFIQ is not affiliated with Investment Company Institute; logos identify the source.