iShares Morningstar Mid-Cap ETF (IMCB) Performance
IMCB total return
Distributions reinvested · as of Oct 23, 2026- YTD
- +18.9% since Dec 31, 2025
- 1 year
- +18.8% total return
- 5 years
- +8.2% a year
- 10 years
- +11.6% a year
- Since first price
- +10.3% a year since 2004
IMCB trailing returns vs SPY, QQQ, AGG
| Period | IMCB total return | Price only | S&P 500 (SPY) | Nasdaq-100 (QQQ) | U.S. bonds (AGG) |
|---|---|---|---|---|---|
| 1 month | +1.6% | +1.6% | −1.0% | −5.0% | +0.9% |
| 3 months | +1.5% | +1.2% | +3.2% | +1.9% | −0.4% |
| 6 months | +9.2% | +8.5% | +7.8% | +8.4% | −1.5% |
| YTD | +18.9% | +17.8% | +12.3% | +15.1% | −1.0% |
| 1 year | +18.8% | +17.3% | +14.4% | +15.9% | −1.1% |
| 3 years | +77.5%+21.1%/yr | +70.0% | +87.4%+23.3%/yr | +101.4%+26.3%/yr | +16.6%+5.2%/yr |
| 5 years | +48.4%+8.2%/yr | +37.6% | +79.3%+12.4%/yr | +94.0%+14.2%/yr | −0.8%−0.2%/yr |
| 10 years | +199.5%+11.6%/yr | +158.3% | +315.9%+15.3%/yr | +538.9%+20.4%/yr | +14.0%+1.3%/yr |
| 15 years | +488.6%+12.5%/yr | +372.4% | +696.0%+14.8%/yr | +1,299.3%+19.2%/yr | +32.2%+1.9%/yr |
| 20 years | +557.8%+9.9%/yr | +392.1% | +696.9%+10.9%/yr | +1,839.9%+16.0%/yr | +79.6%+3.0%/yr |
| Since inceptionJul 2, 2004 | +794.9%+10.3%/yr | +554.2% | — | — | — |
Total return from adjusted closes (distributions reinvested, before tax). Periods of 3 years or more are also shown annualized. Price only excludes distributions.
Growth of $10,000: IMCB vs SPY
From Jul 2, 2004: IMCB grew to $89,488, SPY to $101,216.
Year-end values with distributions reinvested, no taxes or trading costs. Start: first common trading day of both funds.
IMCB returns by calendar year
17 of 21 full years positive. Best 2009 (+38.7%), worst 2008 (−38.7%). 2026 is year to date.
IMCB annual returns table
| Year | IMCB | Largest drop | SPY | QQQ | AGG |
|---|---|---|---|---|---|
| 2026YTD | +18.9% | −8.0% | +12.3% | +15.1% | −1.0% |
| 2025 | +10.2% | −17.9% | +17.7% | +20.8% | +7.2% |
| 2024 | +15.1% | −7.4% | +24.9% | +25.6% | +1.3% |
| 2023 | +16.4% | −13.8% | +26.2% | +54.9% | +5.7% |
| 2022 | −16.1% | −23.8% | −18.2% | −32.6% | −13.0% |
| 2021 | +22.8% | −7.7% | +28.7% | +27.4% | −1.8% |
| 2020 | +13.4% | −41.0% | +18.3% | +48.6% | +7.5% |
| 2019 | +31.5% | −7.4% | +31.2% | +39.0% | +8.5% |
| 2018 | −11.5% | −20.3% | −4.6% | −0.1% | +0.1% |
| 2017 | +19.7% | −3.3% | +21.7% | +32.7% | +3.6% |
| 2016 | +12.0% | −11.2% | +12.0% | +7.1% | +2.4% |
| 2015 | −1.6% | −13.2% | +1.2% | +9.4% | +0.5% |
| 2014 | +15.6% | −10.1% | +13.5% | +19.2% | +6.0% |
| 2013 | +32.9% | −7.9% | +32.3% | +36.6% | −2.0% |
| 2012 | +17.4% | −10.6% | +16.0% | +18.1% | +3.8% |
| 2011 | +1.6% | −24.1% | +1.9% | +3.4% | +7.7% |
| 2010 | +26.5% | −17.1% | +15.1% | +19.9% | +6.4% |
| 2009 | +38.7% | −27.7% | +26.4% | +54.7% | +3.0% |
| 2008 | −38.7% | −55.3% | −36.8% | −41.7% | +7.9% |
| 2007 | +1.5% | −14.7% | +5.1% | +19.0% | +6.6% |
| 2006 | +14.2% | −11.1% | +15.8% | +7.1% | +3.9% |
| 2005 | +9.6% | −8.7% | +4.8% | +1.6% | +2.3% |
Largest drop = deepest fall from a high within that calendar year.
Calendar-year return vs largest drop within the year
Most years include a sizable fall at some point even when the year ends higher.
IMCB largest drawdowns
Now 3.4% below the high| Peak | Decline | Bottom | Recovered | Fall | Underwater |
|---|---|---|---|---|---|
| Jul 13, 2007 | −58.8% | Mar 9, 2009 | Feb 7, 2011 | 1.7 years | 3.6 years |
| Feb 20, 2020 | −41.0% | Mar 23, 2020 | Nov 9, 2020 | 32 days | 9 months |
| Nov 16, 2021 | −25.2% | Oct 14, 2022 | Mar 1, 2024 | 11 months | 2.3 years |
| Apr 29, 2011 | −24.1% | Oct 3, 2011 | Feb 3, 2012 | 5 months | 9 months |
| Aug 29, 2018 | −20.3% | Dec 24, 2018 | Apr 3, 2019 | 4 months | 7 months |
| Nov 25, 2024 | −19.8% | Apr 8, 2025 | Jul 22, 2025 | 4 months | 8 months |
Declines from a closing high (distributions reinvested) of 10% or more. Underwater = time from the peak until the old high was regained.
IMCB risk statistics
| Statistic | 3 years | 5 years | 10 years | Since 2004 |
|---|---|---|---|---|
| Annualized return | +18.2% | +8.9% | +11.0% | +10.4% |
| Volatility (annualized) | 14.3% | 17.1% | 17.2% | 17.2% |
| Sharpe ratio | 0.94 | 0.37 | 0.56 | — |
| Sortino ratio | 1.66 | 0.58 | 0.84 | — |
| Best month | +10.3% | +10.3% | +13.8% | +15.6% |
| Worst month | −6.8% | −9.8% | −18.4% | −22.7% |
| Best 12 months | +34.8% | +34.8% | +66.1% | +68.4% |
| Worst 12 months | +2.8% | −17.8% | −17.8% | −45.2% |
| Positive months | 64% | 55% | 62% | 62% |
| Beta vs S&P 500 | 0.97 | 0.99 | 1.05 | — |
| Correlation with S&P 500 | 0.84 | 0.91 | 0.94 | — |
From monthly total returns. Sharpe and Sortino use 1–3 month T-bills (BIL) as the risk-free rate, so they need history from 2007 on.
IMCB rolling returns
| Holding period | Periods | Worst | Median | Best | Positive |
|---|---|---|---|---|---|
| 1-year | 256 | −45.2% | +13.4% | +68.4% | 80% |
| 3-year (a year) | 232 | −17.3% | +9.9% | +33.4% | 88% |
| 5-year (a year) | 208 | +0.4% | +9.6% | +28.3% | 100% |
| 10-year (a year) | 148 | +7.2% | +10.3% | +18.0% | 100% |
Every holding period starting at a month-end since 2004. Returns for 3 years and longer are annualized.
IMCB performance overview
iShares Morningstar Mid-Cap ETF (IMCB) returned +18.8% over the past year and +11.6% a year over ten years, with distributions reinvested. Since its first recorded price in 2004 it has returned +10.3% a year, turning $10,000 into about $89,488. Over the same year S&P 500 (SPY) returned +14.4%.
The deepest decline was −58.8%, from Jul 13, 2007 to Mar 9, 2009, and it took 1.9 years to get back to the old high. IMCB finished 17 of its 21 full calendar years with a gain; the best year was 2009 (+38.7%) and the worst 2008 (−38.7%). Volatility has been 17.2% a year.
Related: IMCB chart, IMCB holdings, IMCB dividends, IMCB valuation. See the IMCB overview for the latest quote and fund facts.
IMCB performance FAQ
What is the IMCB return over the past year?
IMCB returned +18.8% over the 12 months to October 23, 2026, including reinvested distributions. On price alone it rose 17.3%.
What is the average annual return of IMCB?
IMCB has returned +8.2% a year over 5 years, +11.6% a year over 10 years, +10.3% a year since July 2, 2004 (total return, distributions reinvested).
How much would $10,000 invested in IMCB be worth?
$10,000 invested in IMCB at its first recorded close on July 2, 2004 would be worth about $89,488 on October 23, 2026 with distributions reinvested.
What was the worst year for IMCB?
The worst calendar year was 2008, with a total return of −38.7%. The best was 2009 at +38.7%.
What is the biggest drawdown of IMCB?
The largest peak-to-trough decline was −58.8% between July 13, 2007 and March 9, 2009. It recovered to the old high on February 7, 2011, 1.9 years after the bottom.
How volatile is IMCB?
Over the past 3 years IMCB had an annualized volatility of 14.3% and a Sharpe ratio of 0.94 (excess return over 1–3 month T-bills per unit of risk).