IWR ETF: What Is It? A Complete Guide to Returns, Expense Ratio, Holdings, and Alternative ETFs
The iShares Russell Mid-Cap ETF (IWR) is a core mid-cap holding with broad diversification across the Russell Midcap Index, and its strengths are a deep options market and steady quarterly dividends. Differences in index, options market, and AUM versus IJH, VO, MDY, and SPMD are the key selection criteria.
What Is the iShares Russell Mid-Cap ETF?
This is a passive ETF managed by BlackRock iShares that tracks the Russell Midcap Index. It holds the middle market-cap segment of the stocks included in the Russell 1000 Index, weighted by market capitalization.
It suits asset allocation investors who want Russell Midcap benchmark exposure together with institutional trading infrastructure, as well as investors who want a mid-cap ETF with a rich options market.
It is an ETF managed passively (index tracking) by BlackRock iShares.
How Does the iShares Russell Mid-Cap ETF Invest?
| Item | Details |
|---|---|
| Tracking Index | Russell Midcap |
| Management Style | Passive (index tracking) |
| Market Cap Segment | US mid-cap stocks (Russell Midcap) |
| Dividend Frequency | Quarterly |
| Expense Ratio | 0.18% |
| Issuer | BlackRock iShares |
It holds the middle market-cap segment of Russell 1000 Index stocks, weighted by market capitalization. Because its market-cap boundaries differ from those of IJH, MDY, and SPMD, which track the S&P MidCap 400, the number of holdings and the composition differ structurally.
- Directly tracks the Russell Midcap
- Deep options market
- The standard mid-cap ETF for institutional trading
iShares Russell Mid-Cap ETF Size and Costs (AUM and Expense Ratio)
Assets under management (AUM) stand at $58.8B, and the expense ratio is 0.18% per year.
In the table, IJH, MDY, and SPMD are variants tracking the S&P MidCap 400, VO is a variant tracking the CRSP US Mid Cap Index, and SCHM is a variant tracking the Schwab mid-cap index. Their holdings differ depending on the tracked index and market-cap boundaries.
iShares Russell Mid-Cap ETF Performance and Trends
Compared with large-cap core ETFs, it has a lower weighting in big tech, so its short-term gains in bull markets tend to be smaller, while it has shown relatively stable performance in cycles led by value stocks and industrials.
It belongs to the group of mega mid-cap ETFs that attract both asset allocation capital seeking to add market-cap diversification to a large-cap-heavy portfolio and options trading demand. Inflows can also be notable during mid-cap rallies.
iShares Russell Mid-Cap ETF Pros and Cons
Its main strengths are a deep options market and its standing as the Russell Midcap benchmark standard. The somewhat higher fee relative to IJH, VO, and SPMD and the absence of big tech should be considered in advance.
💪 Key Strengths
⚠️ Points to Watch
iShares Russell Mid-Cap ETF Alternatives and Related Products
In the table, IJH, MDY, and SPMD are variants tracking the S&P MidCap 400, VO is a variant tracking the CRSP US Mid Cap Index, and SCHM is a variant tracking the Schwab mid-cap index, with fees and tracked indexes being the main differences. To combine with a large-cap core, VOO and IVV are suitable pairings, IWM and IJR to add small caps, and VTI for broad market exposure.
| Ticker | Name | Price | Change | AUM | Total Expense Ratio | Dividend Yield | 1Y |
|---|---|---|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | $73.33 | -1.2% | $124.7B | 0.05% | 1.23% | +13.6% | |
| Vanguard Morningstar Mid-Cap ETF | $81.46 | -0.9% | $108.4B | 0.03% | 1.35% | +12.5% | |
| State Street SPDR S&P MIDCAP 400 ETF Trust | $668.88 | -1.2% | $26.2B | 0.23% | 1.05% | +13.5% | |
| State Street SPDR Portfolio S&P 400TM Mid Cap ETF | $64.24 | -1.2% | $18.9B | 0.03% | 1.31% | +13.6% | |
| Schwab U.S. Mid-Cap ETF | $34.92 | -1.2% | $15.0B | 0.03% | 1.27% | +18.7% |
| Ticker | Name | Weight | Price | Change | Market Cap | P/E | Dividend Yield |
|---|---|---|---|---|---|---|---|
| GLW | Corning Inc | 0.01% | $123.31 | -4.3% | $106.2B | 50.0 | 0.94% |
| VRT | Vertiv Holdings Co | 0.01% | $232.50 | -5.5% | $89.5B | 43.5 | 0.1% |
| WDC | Western Digital Corp | 0.01% | $366.11 | -7.4% | $137.0B | 14.2 | 0.18% |
| HWM | Howmet Aerospace Inc | 0.01% | $199.22 | -3.3% | $79.4B | 39.0 | 0.26% |
| SNDK | Sandisk Corp | 0.01% | $1150.89 | -13.5% | $166.3B | 15.8 | - |
| PWR | Quanta Services Inc | 0.01% | $620.73 | -2.3% | $93.3B | 56.2 | 0.07% |
| DDOG | Datadog Inc | 0.01% | $235.27 | -11.5% | $84.5B | 480.6 | - |
| SNOW | Snowflake Inc | 0.01% | $306.08 | -7.3% | $108.0B | - | - |
| VLO | Valero Energy Corp | 0.01% | $399.66 | +3.9% | $111.5B | 9.0 | 1.21% |
iShares Russell Mid-Cap ETF Investor Checkpoints
Here are the points to review before investing in IWR. A deep options market and its standing as the Russell Midcap benchmark standard are strengths, but the fee difference, the absence of big tech, and mid-cap volatility deserve another look before buying, along with a review of your position size and diversification strategy.
| Checkpoint | What to Check | Current Status |
|---|---|---|
| 💵 Expense Ratio | Fee difference versus IJH, VO, and SPMD | Somewhat higher |
| 💧 Liquidity | Depth of options and futures markets | Deep |
| 📊 Market Cap Segment | Weighting in combination with large-cap ETFs | Concentrated in mid caps |
| 💱 Exchange Rate | Impact on KRW-converted returns | Unhedged |
The fee difference, the absence of big tech, mid-cap volatility, and exchange rate movements are the main drivers of short-term volatility. Because it may lag core ETFs in the short term during tech-led bull markets, it is worth reviewing the allocation split with a large-cap core as well.
If you need options and hedging tools along with Russell Midcap benchmark exposure, IWR is regarded as the standard choice. If fees are the priority, IJH, VO, and SPMD are suitable variants, IWM and IJR for adding small caps, and VTI for broad market exposure.
Disclaimer: This content is for informational purposes only and does not constitute investment advice. All investment responsibility lies with the investor.
This article reflects information as of May 22, 2026.