IMCB vs IWR
iShares Morningstar Mid-Cap ETF against iShares Russell Mid-Cap ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
67%
327 shared positions
Fee gap
14 bp
IMCB is cheaper
1-year return gap
3.8 pts
IMCB is ahead
Larger fund
IWR
$56.8B
Side by side
| IMCB | IWR | |
|---|---|---|
| Fund | iShares Morningstar Mid-Cap ETF | iShares Russell Mid-Cap ETF |
| Issuer | iShares | iShares |
| Category | Mid Cap Blend | Mid Cap Blend |
| Expense ratio | 0.04% | 0.18% |
| Assets | $1.7B | $56.8B |
| Average daily dollar volume | $3.8M | $143M |
| Listed | Jun 28, 2004 | Jul 17, 2001 |
| FrenzyCap score | 82 | 90 |
| 1-month return | +1.0% | +0.8% |
| 3-month return | +0.5% | +0.0% |
| Year to date | +17.9% | +14.1% |
| 1-year return | +16.7% | +12.9% |
| 30-day volatility | 10.8% | 11.3% |
| Worst drawdown, 1 year | −8.3% | −8.4% |
| Trailing 12-month yield | 1.23% | 1.16% |
| Holdings | 398 | 830 |
| Top 10 weight | 8.2% | 7.1% |
| Look-through P/E | 25.9 | 26.4 |
| Holdings vs fair value | +7.6% | +10.4% |
| Holdings above 200-day average | 56% | 52% |
| Net flow, latest 3 reported months | −$2.5M thru Jul 2026 | +$2.1B thru Jun 2026 |
| 30-day implied volatility | — | 13.0% |
| Holdings as of | as of Oct 8, 2026issuer data | as of Oct 8, 2026issuer data |
Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.
Largest shared holdings
67% of IMCB · 71% of IWR| Holding | IMCB | IWR |
|---|---|---|
| MPC | 0.90% | 1.01% |
| SNOW | 0.81% | 0.85% |
| PSX | 0.78% | 0.83% |
| NET | 0.76% | 0.81% |
| HPE | 0.66% | 0.70% |
| DDOG | 0.63% | 0.67% |
| LITE | 0.65% | 0.60% |
| HOOD | 0.58% | 0.61% |
| RCL | 0.49% | 0.52% |
| MRNA | 0.49% | 0.53% |
| URI | 0.46% | 0.48% |
| DLR | 0.45% | 0.48% |
| KEYS | 0.44% | 0.47% |
| KMI | 0.44% | 0.46% |
| SPG | 0.43% | 0.47% |
| TER | 0.43% | 0.46% |
| TRGP | 0.43% | 0.45% |
| COR | 0.43% | 0.44% |
| FIX | 0.41% | 0.44% |
| ALL | 0.41% | 0.44% |
| LNG | 0.40% | 0.43% |
| AME | 0.40% | 0.42% |
| OKE | 0.39% | 0.42% |
| GWW | 0.39% | 0.41% |
| CAH | 0.39% | 0.41% |
Sector mix of the stock holdings
| Sector | IMCB | IWR | Gap |
|---|---|---|---|
| Technology | 19.8% | 21.3% | −1.5% |
| Industrials | 20.3% | 18.9% | +1.4% |
| Financials | 13.6% | 12.3% | +1.3% |
| Health Care | 9.1% | 10.2% | −1.1% |
| Utilities | 8.5% | 7.7% | +0.8% |
| Consumer Discretionary | 8.2% | 7.2% | +1.0% |
| Materials | 5.2% | 5.7% | −0.5% |
| Real Estate | 3.9% | 6.3% | −2.4% |
| Energy | 5.3% | 4.3% | +1.0% |
| Consumer Staples | 4.9% | 4.2% | +0.7% |
| Communication Services | 0.8% | 1.4% | −0.6% |
| Other | 0.0% | 0.1% | −0.1% |
More: full overlap table · IMCB holdings · IWR holdings
Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.