- Sector
- Financial Services
- Industry
- Asset Management - Global
- Address
- 400 Howard Street San Francisco DE United States of America 94105-2618
- IPO Date
- Aug 27, 2001
- Business
- iShares Russell Mid-Cap ETF (IWR) is an exchange-traded fund that seeks to track the investment results of the Russell Midcap Index, a capitalization-weighted benchmark composed of the 800 smallest companies in the Russell 1000 Index, providing exposure to mid-capitalization U.S. equities across diversified sectors including industrials, financials, information technology, consumer discretionary, and healthcare. The fund employs a representative sampling technique to replicate the index's performance, holding a broad portfolio of mid-cap stocks with market capitalizations typically ranging from approximately $3 billion to $23 billion; it offers investors low-cost access to this segment with an expense ratio of 0.18%, quarterly distributions, and daily liquidity on the NYSE Arca exchange. Managed by BlackRock Fund Advisors, a subsidiary of BlackRock, Inc., IWR targets institutional and retail investors seeking diversified mid-cap equity exposure without pursuing sustainable, impact, or ESG strategies.
Launched on July 17, 2001, and headquartered in New York City at BlackRock's principal offices, the ETF operates primarily in the U.S. equity markets with no significant international geographic focus beyond domestic holdings. As part of the iShares family of ETFs, it benefits from BlackRock's extensive platform managing trillions in assets, though it maintains independent operations as a unit investment trust domiciled in the United States. The fund has grown to manage approximately $45 billion in net assets, reflecting sustained investor interest in mid-cap strategies.
In recent developments, IWR underwent a 4-for-1 share split on October 26, 2018, enhancing accessibility for investors; more contemporarily, the fund experienced notable asset outflows of $1.4 billion in mid-2025 amid broader market rotations, while institutional holders such as Rhumbline Advisers increased stakes by 39.8% and Mesirow Financial by 103.7% during the first quarter of 2025. Management saw portfolio manager additions including Peter Sietsema, Matt Waldron, and Steven White effective April 1, 2025, alongside Jennifer Hsui, ensuring continuity in index-tracking execution. No major acquisitions, partnerships, or strategic shifts specific to IWR were reported in 2024 or 2025, with the ETF maintaining its core passive strategy amid stable benchmark reconstitution by FTSE Russell.