iShares Micro-Cap ETF (IWC) Performance

NYSE Arca: IWCTotal returns, calendar years, drawdowns and risk since 2005.

IWC total return

Distributions reinvested · as of Oct 23, 2026
YTD
+12.6%
since Dec 31, 2025
1 year
+14.7%
total return
5 years
+4.9%
a year
10 years
+10.0%
a year
Since first price
+7.3%
a year since 2005

IWC trailing returns vs SPY, QQQ, AGG

IWC trailing returns
PeriodIWC total returnPrice onlyS&P 500 (SPY)Nasdaq-100 (QQQ)U.S. bonds (AGG)
1 month−6.1%−6.1%−1.0%−5.0%+0.9%
3 months−6.2%−6.5%+3.2%+1.9%−0.4%
6 months−0.8%−1.3%+7.8%+8.4%−1.5%
YTD+12.6%+11.8%+12.3%+15.1%−1.0%
1 year+14.7%+13.4%+14.4%+15.9%−1.1%
3 years+98.4%+25.7%/yr+91.9%+87.4%+23.3%/yr+101.4%+26.3%/yr+16.6%+5.2%/yr
5 years+27.3%+4.9%/yr+20.1%+79.3%+12.4%/yr+94.0%+14.2%/yr−0.8%−0.2%/yr
10 years+159.8%+10.0%/yr+132.3%+315.9%+15.3%/yr+538.9%+20.4%/yr+14.0%+1.3%/yr
15 years+393.2%+11.2%/yr+310.9%+696.0%+14.8%/yr+1,299.3%+19.2%/yr+32.2%+1.9%/yr
20 years+293.3%+7.1%/yr+213.0%+696.9%+10.9%/yr+1,839.9%+16.0%/yr+79.6%+3.0%/yr
Since inceptionAug 16, 2005+346.8%+7.3%/yr+253.9%———

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: IWC vs SPY

IWCS&P 500 (SPY)

From Aug 16, 2005: IWC grew to $44,683, SPY to $91,659.

Year-end values with distributions reinvested, no taxes or trading costs. Start: first common trading day of both funds.

IWC returns by calendar year

IWCSPY

14 of 20 full years positive. Best 2013 (+45.2%), worst 2008 (−39.0%). 2026 is year to date.

IWC annual returns table

IWC calendar-year returns
YearIWCLargest dropSPYQQQAGG
2026YTD+12.6%−13.5%+12.3%+15.1%−1.0%
2025+22.5%−26.8%+17.7%+20.8%+7.2%
2024+13.6%−12.7%+24.9%+25.6%+1.3%
2023+9.0%−24.8%+26.2%+54.9%+5.7%
2022−21.9%−28.0%−18.2%−32.6%−13.0%
2021+18.7%−14.8%+28.7%+27.4%−1.8%
2020+20.9%−43.6%+18.3%+48.6%+7.5%
2019+22.2%−12.8%+31.2%+39.0%+8.5%
2018−13.1%−28.9%−4.6%−0.1%+0.1%
2017+12.8%−6.9%+21.7%+32.7%+3.6%
2016+20.6%−15.5%+12.0%+7.1%+2.4%
2015−5.0%−17.7%+1.2%+9.4%+0.5%
2014+3.6%−16.7%+13.5%+19.2%+6.0%
2013+45.2%−5.0%+32.3%+36.6%−2.0%
2012+19.5%−12.2%+16.0%+18.1%+3.8%
2011−9.8%−30.7%+1.9%+3.4%+7.7%
2010+29.6%−22.7%+15.1%+19.9%+6.4%
2009+23.7%−34.3%+26.4%+54.7%+3.0%
2008−39.0%−51.2%−36.8%−41.7%+7.9%
2007−9.0%−17.0%+5.1%+19.0%+6.6%
2006+14.9%−15.0%+15.8%+7.1%+3.9%

Largest drop = deepest fall from a high within that calendar year.

Calendar-year return vs largest drop within the year

Calendar-year returnLargest drop within the year

Most years include a sizable fall at some point even when the year ends higher.

IWC largest drawdowns

Now 12.0% below the high
IWC largest drawdowns
PeakDeclineBottomRecoveredFallUnderwater
Jun 19, 2007−64.6%Mar 9, 2009Mar 8, 20131.7 years5.7 years
Aug 31, 2018−47.2%Mar 18, 2020Nov 23, 20201.5 years2.2 years
Mar 12, 2021−41.1%Oct 27, 2023Sep 18, 20252.6 years4.5 years
Jun 23, 2015−28.7%Feb 11, 2016Nov 21, 20168 months1.4 years
Mar 5, 2014−16.7%Oct 10, 2014Mar 18, 20157 months1.0 years
May 5, 2006−15.0%Aug 11, 2006Dec 27, 20063 months8 months

Declines from a closing high (distributions reinvested) of 10% or more. Underwater = time from the peak until the old high was regained.

IWC risk statistics

IWC risk statistics
Statistic3 years5 years10 yearsSince 2005
Annualized return+24.0%+6.3%+10.2%+7.5%
Volatility (annualized)22.0%22.6%22.9%21.6%
Sharpe ratio0.890.220.44—
Sortino ratio1.640.340.68—
Best month+14.3%+14.3%+20.5%+20.5%
Worst month−9.7%−10.4%−23.8%−23.8%
Best 12 months+63.8%+63.8%+121.5%+121.5%
Worst 12 months−7.4%−27.5%−31.2%−47.5%
Positive months61%55%57%58%
Beta vs S&P 5001.361.121.17—
Correlation with S&P 5000.770.780.78—

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.

IWC rolling returns

IWC rolling returns
Holding periodPeriodsWorstMedianBestPositive
1-year243−47.5%+8.1%+121.5%67%
3-year (a year)219−23.5%+8.7%+27.7%78%
5-year (a year)195−5.1%+7.1%+27.7%86%
10-year (a year)135+2.4%+8.8%+16.0%100%

Every holding period starting at a month-end since 2005. Returns for 3 years and longer are annualized.

IWC performance overview

iShares Micro-Cap ETF (IWC) returned +14.7% over the past year and +10.0% a year over ten years, with distributions reinvested. Since its first recorded price in 2005 it has returned +7.3% a year, turning $10,000 into about $44,683. Over the same year S&P 500 (SPY) returned +14.4%.

The deepest decline was −64.6%, from Jun 19, 2007 to Mar 9, 2009, and it took 4.0 years to get back to the old high. IWC finished 14 of its 20 full calendar years with a gain; the best year was 2013 (+45.2%) and the worst 2008 (−39.0%). Volatility has been 21.6% a year.

Related: IWC chart, IWC holdings, IWC dividends. See the IWC overview for the latest quote and fund facts.

IWC performance FAQ

What is the IWC return over the past year?

IWC returned +14.7% over the 12 months to October 23, 2026, including reinvested distributions. On price alone it rose 13.4%.

What is the average annual return of IWC?

IWC has returned +4.9% a year over 5 years, +10.0% a year over 10 years, +7.3% a year since August 16, 2005 (total return, distributions reinvested).

How much would $10,000 invested in IWC be worth?

$10,000 invested in IWC at its first recorded close on August 16, 2005 would be worth about $44,683 on October 23, 2026 with distributions reinvested.

What was the worst year for IWC?

The worst calendar year was 2008, with a total return of −39.0%. The best was 2013 at +45.2%.

What is the biggest drawdown of IWC?

The largest peak-to-trough decline was −64.6% between June 19, 2007 and March 9, 2009. It recovered to the old high on March 8, 2013, 4.0 years after the bottom.

How volatile is IWC?

Over the past 3 years IWC had an annualized volatility of 22.0% and a Sharpe ratio of 0.89 (excess return over 1–3 month T-bills per unit of risk).