iShares Russell Mid-Cap ETF
iShares Trust · Series S000004338 · 1 share classes
data updated 2026-08-10
Fund profile
As filed in the prospectus · 2025 Q3
The iShares Russell Mid-Cap ETF (the Fund ) seeks to track the investment results of an index composed of mid-capitalization U.S. equities.
The fund tracks the Russell Midcap Index, which comprises the 808 smallest constituents of the Russell 1000 Index, using representative sampling to hold a portfolio with similar investment characteristics to the index. Because the fund may not hold all index securities, its returns may diverge from the index.
| Share class | Expense ratio |
|---|---|
| IWR | 0.18% |
Portfolio turnover 11.00% · as of 2025 Q3
Allocation
Asset groups · long / short shown separately, never netted · 2026 Q1
| Stocks | 99.71% |
| Cash & short-term | 3.16% |
| Derivatives | 0.00% |
Derivatives are shown at market value, not notional exposure.
Latest quarter
What changed since the fund's previous filing
New: Amcor plc, MDLN, PNFP, QIAGEN NV, CBC
Largest exited: Amcor plc, Exact Sciences Corp., CMA, Dayforce, Inc., QIAGEN NV, Frontier Communications Parent, Inc., Confluent, Inc., Pinnacle Financial Partners, Inc.
Return profile
Total return as filed — price change plus distributions reinvested · trailing figures to Feb 2026
Mar 2026 has been filed since the trailing figures were struck, so it is not in the table above or the curve — every figure here shares one cut-off, which is what makes them comparable with other funds.
Holdings
By % of NAV · equity positions carry filed share counts · every resolvable issuer links to its company page
| Ticker | Issuer | %NAV | Value | Shares |
|---|---|---|---|---|
| — | BlackRock Funds III | 2.98% | $1.44B | — |
| GLW | Corning, Inc.GLW | 0.84% | $405.62M | 3.0M |
| VRT | Vertiv Holdings Co.VRT | 0.76% | $364.26M | 1.5M |
| HWM | Howmet Aerospace, Inc.HWM | 0.73% | $353.08M | 1.5M |
| WDC | Western Digital Corp.WDC | 0.73% | $351.62M | 1.3M |
| SNDK | Sandisk Corp.SNDK | 0.72% | $347.19M | 546.5K |
| BNY | Bank of New York Mellon Corp. (The)BNY | 0.65% | $312.12M | 2.6M |
| PWR | Quanta Services, Inc.PWR | 0.64% | $308.94M | 562.7K |
| VLO | Valero Energy Corp.VLO | 0.59% | $286.96M | 1.2M |
| CMI | Cummins, Inc.CMI | 0.59% | $282.91M | 525.8K |
Top 10 positions are 9.23% of net assets, top 25 16.93%, across 795 issuers.
See more of this fund's book
More positions with filed share counts, and the quarter-over-quarter change list rather than the largest few — free with an account, no card required.
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