Investment Company InstituteIndustry body

2026 Investment Company Fact Book

The Investment Company Institute's April 2026 Fact Book puts US ETF net assets at $13.4 trillion across 4,495 funds at year-end 2025.

Read the full paper at Investment Company Institute ↗
Share
Flows· PDF

What it says

Figures as stated by Investment Company Institute, Apr 23, 2026
  • The Investment Company Institute says US ETFs held 70% of global ETF net assets, which totaled $19.2 trillion.ICI, p. 58
  • The Investment Company Institute counts $6.6 trillion of net ETF share issuance across the last 10 years.ICI, p. 57
  • Investment Company Institute data show large-cap US stock ETFs with $5.0 trillion, 38% of the total, and bond ETFs with $2.2 trillion.ICI, p. 58
  • ETFs held 30% of the assets US investment companies managed at the close of 2025, the Investment Company Institute says.ICI, p. 12
  • The Investment Company Institute finds ETFs averaged 28% of overall stock market trading in 2025, down from a 32% share in 2022.ICI, p. 27

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 US ETF net assets of $13.4 trillion across 4,495 funds at year-end 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.

+$127.9bnnet flow, Sep 21, 2026 to Oct 20, 2026, summed over the 746 of 4,807 ETFs ETFIQ covers with a daily figureOct 20, 2026 · ETFIQ →+$461.8bnnet flow, Jan 2, 2026 to Oct 20, 2026, summed over the 713 of 4,807 ETFs ETFIQ covers with a daily figureOct 20, 2026 · ETFIQ →+$90.1bnnet flow into stock ETFs, Sep 21, 2026 to Oct 20, 2026, over the 322 of 1,739 with a daily figureOct 20, 2026 · ETFIQ →+$35.7bnnet flow into bond ETFs, Sep 21, 2026 to Oct 20, 2026, over the 204 of 833 with a daily figureOct 20, 2026 · ETFIQ →
Paper: US ETFs and other US-registered funds, year-end 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

Related ETFs

The largest ETFs ETFIQ covers, by net assets
VOOVanguard S&P 500 ETF+16.5%IVViShares Core S&P 500 ETF+16.5%SPYSPDR S&P 500 ETF Trust+16.4%VTIVanguard Morningstar Total Stock Market ETF+15.9%QQQInvesco QQQ Trust, Series 1+19.2%VUGVanguard Morningstar Growth ETF+11.2%

Figure: total return, 1 year, to Oct 21, 2026, from each fund’s page. All 4,807 ETFs in the screener →

Related papers

Same topic, other sources
J.P. Morgan Asset ManagementIssuer
Guide to ETFsOct 15, 2026 · ETFIQ take
ftFirst TrustIssuer
ETF Data WatchOct 7, 2026 · ETFIQ take
ftFirst TrustIssuer
ETF Data Watch Flier - September 2026Sep 8, 2026 · ETFIQ take
All 16 papers on flows →

Questions people ask

What does the Investment Company Institute paper conclude?

The Investment Company Institute's April 2026 Fact Book puts US ETF net assets at $13.4 trillion across 4,495 funds at year-end 2025. 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 “2026 Investment Company Fact Book”?

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, 2026 Investment Company Fact Book (Investment Company Institute), summary and ETFIQ take, as of Oct 21, 2026. https://etfiq.com/research/library/ici-2026-investment-company-fact-book/

Open data →

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