iShares Russell 2000 Growth ETF (IWO) Performance

NYSE Arca: IWOTotal returns, calendar years, drawdowns and risk since 2000.

IWO total return

Distributions reinvested · as of Oct 23, 2026
YTD
+7.2%
since Dec 31, 2025
1 year
+6.1%
total return
5 years
+3.3%
a year
10 years
+9.9%
a year
Since first price
+6.7%
a year since 2000

IWO trailing returns vs SPY, QQQ, AGG

IWO trailing returns
PeriodIWO total returnPrice onlyS&P 500 (SPY)Nasdaq-100 (QQQ)U.S. bonds (AGG)
1 month−4.2%−4.2%−1.0%−5.0%+0.9%
3 months−7.5%−7.6%+3.2%+1.9%−0.4%
6 months−2.7%−3.0%+7.8%+8.4%−1.5%
YTD+7.2%+6.9%+12.3%+15.1%−1.0%
1 year+6.1%+5.6%+14.4%+15.9%−1.1%
3 years+68.8%+19.1%/yr+65.6%+87.4%+23.3%/yr+101.4%+26.3%/yr+16.6%+5.2%/yr
5 years+17.5%+3.3%/yr+13.7%+79.3%+12.4%/yr+94.0%+14.2%/yr−0.8%−0.2%/yr
10 years+156.7%+9.9%/yr+140.2%+315.9%+15.3%/yr+538.9%+20.4%/yr+14.0%+1.3%/yr
15 years+376.5%+11.0%/yr+324.7%+696.0%+14.8%/yr+1,299.3%+19.2%/yr+32.2%+1.9%/yr
20 years+422.3%+8.6%/yr+350.3%+696.9%+10.9%/yr+1,839.9%+16.0%/yr+79.6%+3.0%/yr
Since inceptionJul 28, 2000+442.1%+6.7%/yr+357.3%———

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: IWO vs SPY

IWOS&P 500 (SPY)

From Jul 28, 2000: IWO grew to $54,208, SPY to $85,152.

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

IWO returns by calendar year

IWOSPY

18 of 25 full years positive. Best 2003 (+49.4%), worst 2008 (−38.5%). 2026 is year to date.

IWO annual returns table

IWO calendar-year returns
YearIWOLargest dropSPYQQQAGG
2026YTD+7.2%−14.9%+12.3%+15.1%−1.0%
2025+12.9%−25.9%+17.7%+20.8%+7.2%
2024+15.0%−11.5%+24.9%+25.6%+1.3%
2023+18.5%−19.5%+26.2%+54.9%+5.7%
2022−26.3%−34.4%−18.2%−32.6%−13.0%
2021+2.5%−17.1%+28.7%+27.4%−1.8%
2020+34.7%−39.8%+18.3%+48.6%+7.5%
2019+28.5%−9.2%+31.2%+39.0%+8.5%
2018−9.4%−28.8%−4.6%−0.1%+0.1%
2017+22.2%−6.1%+21.7%+32.7%+3.6%
2016+11.7%−16.7%+12.0%+7.1%+2.4%
2015−1.3%−17.4%+1.2%+9.4%+0.5%
2014+5.9%−14.4%+13.5%+19.2%+6.0%
2013+43.3%−5.4%+32.3%+36.6%−2.0%
2012+14.8%−13.7%+16.0%+18.1%+3.8%
2011−3.0%−29.2%+1.9%+3.4%+7.7%
2010+29.4%−18.1%+15.1%+19.9%+6.4%
2009+34.6%−28.4%+26.4%+54.7%+3.0%
2008−38.5%−51.6%−36.8%−41.7%+7.9%
2007+6.9%−12.1%+5.1%+19.0%+6.6%
2006+13.2%−17.4%+15.8%+7.1%+3.9%
2005+4.0%−12.1%+4.8%+1.6%+2.3%
2004+13.9%−19.5%+10.7%+10.5%+3.8%
2003+49.4%−13.8%+28.2%+49.7%—
2002−30.3%−42.5%−21.6%−37.4%—
2001−10.4%−38.0%−11.8%−33.3%—

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.

IWO largest drawdowns

Now 12.6% below the high
IWO largest drawdowns
PeakDeclineBottomRecoveredFallUnderwater
Sep 1, 2000−60.1%Oct 9, 2002Feb 22, 20072.1 years6.5 years
Oct 10, 2007−57.6%Mar 9, 2009Dec 21, 20101.4 years3.2 years
Feb 9, 2021−42.0%Jun 16, 2022Oct 6, 20251.3 years4.7 years
Feb 19, 2020−39.8%Mar 18, 2020Aug 7, 202028 days6 months
Apr 29, 2011−29.2%Oct 3, 2011Sep 14, 20125 months1.4 years
Aug 31, 2018−28.8%Dec 24, 2018Jan 15, 20204 months1.4 years

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

IWO risk statistics

IWO risk statistics
Statistic3 years5 years10 yearsSince 2000
Annualized return+17.5%+4.7%+9.9%+6.8%
Volatility (annualized)21.2%22.1%21.5%21.6%
Sharpe ratio0.660.150.44—
Sortino ratio1.140.230.67—
Best month+14.7%+14.7%+17.7%+17.7%
Worst month−8.4%−13.4%−19.6%−21.7%
Best 12 months+42.6%+42.6%+91.1%+91.1%
Worst 12 months−4.9%−29.2%−33.5%−43.7%
Positive months56%52%60%59%
Beta vs S&P 5001.461.211.21—
Correlation with S&P 5000.860.860.86—

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.

IWO rolling returns

IWO rolling returns
Holding periodPeriodsWorstMedianBestPositive
1-year304−43.7%+10.4%+91.1%71%
3-year (a year)280−17.1%+9.7%+31.0%82%
5-year (a year)256−6.9%+7.9%+28.0%94%
10-year (a year)196−2.1%+9.2%+17.7%98%

Every holding period starting at a month-end since 2000. Returns for 3 years and longer are annualized.

IWO performance overview

iShares Russell 2000 Growth ETF (IWO) returned +6.1% over the past year and +9.9% a year over ten years, with distributions reinvested. Since its first recorded price in 2000 it has returned +6.7% a year, turning $10,000 into about $54,208. Over the same year S&P 500 (SPY) returned +14.4%.

The deepest decline was −60.1%, from Sep 1, 2000 to Oct 9, 2002, and it took 4.4 years to get back to the old high. IWO finished 18 of its 25 full calendar years with a gain; the best year was 2003 (+49.4%) and the worst 2008 (−38.5%). Volatility has been 21.6% a year.

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

IWO performance FAQ

What is the IWO return over the past year?

IWO returned +6.1% over the 12 months to October 23, 2026, including reinvested distributions. On price alone it rose 5.6%.

What is the average annual return of IWO?

IWO has returned +3.3% a year over 5 years, +9.9% a year over 10 years, +6.7% a year since July 28, 2000 (total return, distributions reinvested).

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

$10,000 invested in IWO at its first recorded close on July 28, 2000 would be worth about $54,208 on October 23, 2026 with distributions reinvested.

What was the worst year for IWO?

The worst calendar year was 2008, with a total return of −38.5%. The best was 2003 at +49.4%.

What is the biggest drawdown of IWO?

The largest peak-to-trough decline was −60.1% between September 1, 2000 and October 9, 2002. It recovered to the old high on February 22, 2007, 4.4 years after the bottom.

How volatile is IWO?

Over the past 3 years IWO had an annualized volatility of 21.2% and a Sharpe ratio of 0.66 (excess return over 1–3 month T-bills per unit of risk).