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  • Issues & Advocacy

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    Stay informed of the policy priorities ICI champions on behalf of individual investors and the asset management industry.

    • Key Policies
      • Ensuring Tax Fairness and Financial Security
      • Establishing Certainty in Financial Regulations
      • Expanding Access to Private Markets
      • Modernizing Disclosure for a Digital World
      • Retirement Fairness for Educators and Nonprofit Employees
      • Standing Up for Main Street Investors and Retirement Savers
    • Comment Letters
    • Amicus Briefs
    Latest Comment Letters:
    ICI Default BG
    Comment Letter

    ICI Letter on Trump Accounts Proposed Regulation

    May 8, 2026
    ICI Default BG
    Comment Letter

    ICI Response to the EC Consultation on the Shareholder Rights Directive

    May 6, 2026
    ICI Default BG
    Comment Letter

    ICI Comment Letter to the OCC on the Proposed Rules Implementing GENIUS Act

    May 4, 2026
  • Research

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    View all Research

    • Statistics
      • All Statistics
      • Combined ETF and Mutual Funds
        • Weekly Combined Estimated ETF and Long-Term Flows
        • Monthly Active and Index Data
        • Monthly ESG Investing Data
        • Quarterly Worldwide Regulated Open-End Fund Market
      • Mutual Funds
        • Weekly Estimated Long-Term Mutual Fund Flows
        • Weekly Money Market Fund Assets
        • Monthly Money Market Fund Portfolio Data
        • Monthly Trends in Mutual Fund Investing
        • Monthly Mutual Fund Complex Assets
        • Quarterly Long-Term Mutual Fund Asset Composition
        • Quarterly Mutual Fund Assets in Retirement Accounts
        • Quarterly Mutual Fund Distributions
        • Annual Institutional Mutual Fund Shareholder Data
      • Exchange Traded Funds
        • Weekly Estimated ETF Net Issuance
        • Monthly Exchange-Traded Fund Data
      • Closed-End Funds
        • Quarterly Closed-End Fund Assets
      • UITs
        • Monthly Unit Investment Trust Deposits
      • More Statistics
        • 529 Plan Program Statistics
        • Quarterly Retirement Market Data
    • Investment Company Fact Book
    • Closed-End Funds
    • Defined Contribution Plans
      • 401(k)s
        • Employee Benefit Research Institute (EBRI) /ICI 401(k) Database
        • The ICI/ISS Defined Contribution Plan Profile
        • 401(k) Plan Services, Fees, and Expenses
      • Defined Contribution Plan Investors
      • Defined Contribution Plan Participant Activities
      • Households' Views on Retirement Savings
      • Income from Retirement Plans
      • Retirement Plan Coverage and Participation
    • Exchange-Traded Funds
      • ETF Owning Households
    • Fees and Expenses
    • IRAs
      • IRA Investors
      • The IRA Investor Database™
      • The Role of IRAs in US Households’ Saving for Retirement
    • Money Market Funds
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      • Mutual Fund Ownership
    • Publications
      • ICI Research Perspective
    • Global
      • Global Industry Research
    Featured Publication
    Image
    ici-web-photo-2231144916.jpg
    Publication

    A Close Look at Exchange-Traded Funds and Their Investors (pdf)

    October 1, 2025
    Latest Research
    Milken Center
    ICI Viewpoints

    Leadership Summit Highlights Policy Momentum Shaping Asset Management

    May 7, 2026
    Retired couple reviewing their finances
    Perspective

    Who Participates in Retirement Plans, 2020 (pdf)

    May 6, 2026
    Eric Pan President and CEO in fireside chat with Kevin Hassatt
    ICI Viewpoints

    At ICI Summit, Hassett Details New Trump Executive Order Expanding Retirement Saving

    May 1, 2026
  • Resource Hubs

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    View all Resource Hubs

    • 401(k)
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    • Disclosure
    • DOL Fiduciary Duty Rule
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    • Exchange-Traded Funds
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    • Global Retirement
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    Leadership Summit Highlights Policy Momentum Shaping Asset Management

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    The front of the EU Parliment building
    News Release

    EU Securitisation Framework Needs Stronger Reforms

    May 5, 2026
    A lady giving a talk to her office team colleagues
    News Release

    SEC Proposes Shift to Optional Semiannual Reporting

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    Stay informed of the policy priorities ICI champions on behalf of individual investors and the asset management industry.

    • Key Policies
      Key Policies
      • Ensuring Tax Fairness and Financial Security
      • Establishing Certainty in Financial Regulations
      • Expanding Access to Private Markets
      • Modernizing Disclosure for a Digital World
      • Retirement Fairness for Educators and Nonprofit Employees
      • Standing Up for Main Street Investors and Retirement Savers
    • Comment Letters
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  • Research
    Research

    Research

    Explore research from ICI’s experts on industry-related developments, trends, and policy issues.

    View all Research

    • Statistics
      Statistics
      • All Statistics
      • Combined ETF and Mutual Funds
        Combined ETF and Mutual Funds
        • Weekly Combined Estimated ETF and Long-Term Flows
        • Monthly Active and Index Data
        • Monthly ESG Investing Data
        • Quarterly Worldwide Regulated Open-End Fund Market
      • Mutual Funds
        Mutual Funds
        • Weekly Estimated Long-Term Mutual Fund Flows
        • Weekly Money Market Fund Assets
        • Monthly Money Market Fund Portfolio Data
        • Monthly Trends in Mutual Fund Investing
        • Monthly Mutual Fund Complex Assets
        • Quarterly Long-Term Mutual Fund Asset Composition
        • Quarterly Mutual Fund Assets in Retirement Accounts
        • Quarterly Mutual Fund Distributions
        • Annual Institutional Mutual Fund Shareholder Data
      • Exchange Traded Funds
        Exchange Traded Funds
        • Weekly Estimated ETF Net Issuance
        • Monthly Exchange-Traded Fund Data
      • Closed-End Funds
        Closed-End Funds
        • Quarterly Closed-End Fund Assets
      • UITs
        UITs
        • Monthly Unit Investment Trust Deposits
      • More Statistics
        More Statistics
        • 529 Plan Program Statistics
        • Quarterly Retirement Market Data
    • Investment Company Fact Book
    • Closed-End Funds
    • Defined Contribution Plans
      Defined Contribution Plans
      • 401(k)s
        401(k)s
        • Employee Benefit Research Institute (EBRI) /ICI 401(k) Database
        • The ICI/ISS Defined Contribution Plan Profile
        • 401(k) Plan Services, Fees, and Expenses
      • Defined Contribution Plan Investors
      • Defined Contribution Plan Participant Activities
      • Households' Views on Retirement Savings
      • Income from Retirement Plans
      • Retirement Plan Coverage and Participation
    • Exchange-Traded Funds
      Exchange-Traded Funds
      • ETF Owning Households
    • Fees and Expenses
    • IRAs
      IRAs
      • IRA Investors
      • The IRA Investor Database™
      • The Role of IRAs in US Households’ Saving for Retirement
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    • 401(k)
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    • Commodity Investments
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    • Cybersecurity
    • Disclosure
    • DOL Fiduciary Duty Rule
    • ESG
    • Exchange-Traded Funds
    • Financial Services Regulatory
    • Financial Transaction Tax
    • Fraud Prevention
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    • Individual Retirement Account
    • Innovation
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  1. HOME
  2. LEI LI
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Lei Li
Author

Lei Li
Senior Economist

Areas of Expertise:

Common Ownership Theory
Fees and Expenses
Money Market Funds

Lei Li is a Senior Economist at ICI.

Viewpoints by this Author

The Repo Market Has Vulnerabilities. Mutual Funds Aren’t One of Them
Time to Move on from Prime Money Market Fund Alarmism
GAO Analysis Misrepresents Case for DOL Fiduciary Rule
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