# Investment Company Institute ETF Research > 8 research papers from Investment Company Institute, summarized by ETFIQ as of Oct 21, 2026. Every summary links the firm’s own paper. Data as of Oct 21, 2026. Rebuilt every trading night. Index as of Oct 21, 2026. ## Investment Company Institute in the Research Library 8 papers indexed, Oct 2025 to Oct 2026. 5 carry an ETFIQ take. Investment Company Institute is an industry body that publishes research and statistics on funds. The library holds 8 of its public papers, published Oct 2025 to Oct 2026, on flows, bonds, themes. Description in ETFIQ’s words. ici.org ↗ ### Papers Investment Company Institute · Industry body · Oct 20, 2026 · ETFIQ take #### Release: Estimated ETF Net Issuance In an October 2026 release, the Investment Company Institute estimated net ETF issuance of $53.26 billion for the week to October 14, 2026. Flows Bonds Read the paper ↗ Investment Company Institute · Industry body · Sep 30, 2026 · ETFIQ take #### Release: Active and Index Investing, August 2026 The Investment Company Institute's September 2026 release shows index mutual funds and ETFs at $22.40 trillion in August, ahead of $18.87 trillion in active funds. Flows Read the paper ↗ Investment Company Institute · Industry body · Sep 28, 2026 #### Release: Exchange-Traded Fund Data, August 2026 The Investment Company Institute's September 2026 release puts combined US ETF assets at $16.27 trillion in August, a monthly gain of 3.8 percent. Flows Bonds Read the paper ↗ Investment Company Institute · Industry body · Jun 9, 2026 #### ETF Tax Treatment Supports Fairness, Efficiency, and Long-Term Investing A June 2026 Investment Company Institute article, noting ETFs are held by about 20 million US households, defends the tax rule behind in-kind redemptions. Flows Read the paper ↗ Investment Company Institute · Industry body · Jun 5, 2026 #### What’s Next for ETFs: Innovation, Distribution, and the Investor Experience In June 2026, the Investment Company Institute previewed its Nashville ETF Conference of June 8 to 10, with ETF share classes, AI and tokenization on the agenda. Flows Themes Read the paper ↗ Investment Company Institute · Industry body · Apr 23, 2026 · ETFIQ take #### 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. Flows Read the paper ↗ Investment Company Institute · Industry body · Mar 24, 2026 · ETFIQ take #### Trends in the Expenses and Fees of Funds, 2025 The Investment Company Institute's March 2026 fee study finds index equity ETFs kept an asset-weighted average expense ratio of 0.14% in 2025. Flows Bonds Read the paper ↗ Investment Company Institute · Industry body · Oct 23, 2025 · ETFIQ take #### 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 Read the paper ↗ ### Where ETFIQ’s figures meet Investment Company Institute’s - Release: Estimated ETF Net Issuance : Paper: estimated net ETF issuance of $53.26 billion for the week to October 14, 2026. ETFIQ: +$127.9bn net flow, Sep 21, 2026 to Oct 20, 2026, summed over the 746 of 4,807 ETFs ETFIQ covers with a daily figure, Oct 20, 2026. - Release: Active and Index Investing, August 2026 : Paper: index mutual fund and ETF assets of $22.40 trillion in August, against $18.87 trillion for active. ETFIQ: +$127.9bn net flow, Sep 21, 2026 to Oct 20, 2026, summed over the 746 of 4,807 ETFs ETFIQ covers with a daily figure, Oct 20, 2026. - 2026 Investment Company Fact Book : Paper: US ETF net assets of $13.4 trillion across 4,495 funds at year-end 2025. ETFIQ: +$127.9bn net flow, Sep 21, 2026 to Oct 20, 2026, summed over the 746 of 4,807 ETFs ETFIQ covers with a daily figure, Oct 20, 2026. - Trends in the Expenses and Fees of Funds, 2025 : Paper: an asset-weighted average expense ratio of 0.14% for index equity ETFs in 2025, unchanged from the year before. ETFIQ: +$127.9bn net flow, Sep 21, 2026 to Oct 20, 2026, summed over the 746 of 4,807 ETFs ETFIQ covers with a daily figure, Oct 20, 2026. - ETF Share Class Operational Considerations : Paper: at least 75 asset managers had applied to the SEC to run ETF share classes, as of September 29, 2025. ETFIQ: +$127.9bn net flow, Sep 21, 2026 to Oct 20, 2026, summed over the 746 of 4,807 ETFs ETFIQ covers with a daily figure, Oct 20, 2026. --- Source: ETFIQ, independent ETF data. Recomputed nightly from public filings and prices. Cite: ETFIQ, Investment Company Institute in the Research Library, as of Oct 21, 2026. https://etfiq.com/research/library/ici/ Licence: https://etfiq.com/license/ Figures ETFIQ computes are free to use with attribution: ETFIQ (etfiq.com). Issuer data stays under its owner's terms. HTML: https://etfiq.com/research/library/ici/