iShares Russell 2000 Small-Cap Index Fund
MASKX
NASDAQ- -
USD
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- -
Capital Structure
FRC
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in mil. unless spec.Working Capital
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in mil. unless spec.Growth Rates
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in mil. unless spec.Quarterly Revenue
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in mil. unless spec.Quarterly Earnings Per Share
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in mil. unless spec.- Sector
- Financial Services
- Industry
- Asset Management
- Address
- WILMINGTON DE 19809 Wilmington DE United States of America 19809
- IPO Date
- Apr 8, 1997
- CIK
- 0001100663
- Website
- ishares.com
- Similar Companies
- Business
- iShares Russell 2000 Small-Cap Index Fund (MASKX) is an open-end index mutual fund managed by BlackRock that seeks to match the performance of the Russell 2000 Index prior to the deduction of fund expenses; under normal circumstances, the fund invests at least 80% of its assets in securities that are components of the Russell 2000 Index or financial instruments that have economic characteristics similar to those components. Launched on April 9, 1997, and domiciled in the United States with institutional shares requiring a minimum initial investment of $2 million, MASKX operates as a "feeder" fund, allocating all assets to a corresponding master portfolio series of BlackRock Index Funds, Inc.; the fund emphasizes small-cap U.S. equities in a blend style across sectors such as financial services (17.62%), technology (15.65%), industrials (15.63%), and healthcare (15.28%), with approximately 97% in U.S. stocks, 3% in non-U.S. stocks, and minimal cash holdings. As of late 2025, the fund maintains total net assets of approximately $3.05 billion for the share class, a net expense ratio of 0.12%, and portfolio managers including Jennifer Hsui (since 2016) alongside Peter Sietsema, Matt Waldron, and Steven White (each since April 2025). Geographically focused on U.S. markets (96.76% allocation) with minor exposure to regions like Latin America, developed Asia, and Europe, the fund targets institutional investors seeking small-blend exposure without ESG considerations. Recent portfolio management additions in April 2025 enhance BlackRock's index-tracking capabilities amid broader firm initiatives, including the rebranding of select BlackRock ETFs to iShares in October 2024 to streamline product offerings.