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Why ETF growth is booming

State Street Investment Management's July 2026 explainer, citing Morningstar, counts more than 14,000 ETFs worldwide holding $18.49 trillion.

Flows· Web page

What it says

Figures as stated by State Street Investment Management, Jul 16, 2026
  • State Street Investment Management, citing Morningstar, says ETFs drew a record $2 trillion of global inflows in 2025.State Street
  • State Street Investment Management, citing Morningstar, reports $641 billion of ETF inflows in the first quarter of 2026, despite high volatility and geopolitical uncertainty.State Street
  • State Street Investment Management puts median expense ratios at 0.58% for US-listed ETFs and 0.90% for US-listed mutual funds, citing Morningstar data as of March 31, 2026.State Street
  • State Street Investment Management, citing Morningstar, says total ETF assets have grown 19% a year on average since 2008.State Street
  • State Street Investment Management says its new 2035 forecast runs nearly 18% ahead of the 10-year projection it made a year earlier.State Street

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

State Street Investment Management reports Morningstar's count of more than 14,000 ETFs worldwide holding $18.49 trillion as of March 31, 2026. 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: Global ETF market, as of March 31, 2026. 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 funds the paper names that ETFIQ covers

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

Questions people ask

What does the State Street Investment Management paper conclude?

State Street Investment Management's July 2026 explainer, citing Morningstar, counts more than 14,000 ETFs worldwide holding $18.49 trillion. 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 “Why ETF growth is booming”?

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

ETFIQ, Why ETF growth is booming (State Street Investment Management), summary and ETFIQ take, as of Oct 21, 2026. https://etfiq.com/research/library/state-street-why-etf-growth-is-booming/

Open data →

Summary by ETFIQ. ETFIQ is not affiliated with State Street Investment Management; logos identify the source.