iShares Russell 1000 ETF (IWB)
$416.77−1.09%close of Oct 16, 2026
iShares Russell 1000 ETF (IWB) is an exchange-traded fund (ETF) run by iShares (BlackRock). This fund owns about 1,000 of the largest companies in the United States. It charges 0.15% a year. From May 2000 to October 2026 it returned about 8.5% a year, and its worst drop was −55.4%.
Written by the Tactfolio research team. Fund facts checked October 16, 2026. Prices through October 16, 2026.
- Yearly fee
- 0.15%
- about $15 on $10,000
- 1-year return
- 16.1%
- to Oct 16, 2026
- Return per year
- 8.5%
- since May 2000
- Worst drop
- −55.4%
- since 2000
- Below its high
- −2.1%
- now
- Volatility
- 19.0%
- yearly swings
- Issuer
- iShares (BlackRock)
- Tracks
- Russell 1000 Index
- Started trading
- May 15, 2000
- Type
- US stocks, ETF
- Holdings
- 1,023 holdings as of October 15, 2026
- Expense ratio
- 0.15% a year
How has IWB done since 2000?#
From May 2000 to October 2026, IWB returned about 8.5% a year. The S&P 500 returned about 8.5% a year over the same dates. Say you put in $10,000 at the start. It would have been worth about $87,148 at the end, with every dividend reinvested.
| Period | IWB | S&P 500 (SPY) |
|---|---|---|
| 1 month | 1.3% | 1.5% |
| 3 months | 1.7% | 1.9% |
| 6 months | 9.0% | 9.3% |
| Year to date | 12.4% | 12.8% |
| 1 year | 16.1% | 16.8% |
| 3 years per year | 21.6% | 22.0% |
| 5 years per year | 12.0% | 12.8% |
| 10 years per year | 15.1% | 15.4% |
| Since 2000 per year | 8.5% | 8.5% |
Periods longer than a year show the return per year (CAGR). Prices through October 16, 2026. Figures use daily closing prices adjusted for splits, with dividends reinvested. They do not include taxes or the cost of buying and selling. Past results do not tell you what will happen next.
IWB returns by month and year#
IWB rose in 207 of its 318 months (65%). Its best month was April 2020, at 13.2%. Its worst was October 2008, at −17.1%.
| Year | Total | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 12.4% | 1.3 | −0.6 | −5.0 | 10.2 | 5.1 | −0.6 | −0.3 | 2.8 | −0.6 | 0.2 | ||
| 2025 | 17.2% | 3.1 | −1.7 | −5.8 | −0.7 | 6.4 | 5.1 | 2.3 | 2.1 | 3.3 | 2.3 | 0.2 | 0.0 |
| 2024 | 24.3% | 1.3 | 5.3 | 3.3 | −4.2 | 4.7 | 3.3 | 1.5 | 2.4 | 2.1 | −0.7 | 6.5 | −2.8 |
| 2023 | 26.4% | 6.6 | −2.4 | 3.2 | 1.2 | 0.5 | 6.7 | 3.5 | −1.7 | −4.8 | −2.4 | 9.3 | 5.0 |
| 2022 | −19.2% | −5.6 | −2.7 | 3.4 | −8.9 | −0.2 | −8.4 | 9.3 | −3.8 | −9.2 | 7.9 | 5.4 | −5.7 |
| 2021 | 26.3% | −0.8 | 2.9 | 3.8 | 5.3 | 0.5 | 2.4 | 2.1 | 2.9 | −4.6 | 6.9 | −1.3 | 4.0 |
| 2020 | 20.8% | 0.1 | −8.1 | −13.3 | 13.2 | 5.2 | 2.3 | 5.9 | 7.3 | −3.7 | −2.3 | 11.7 | 4.1 |
| 2019 | 31.1% | 8.2 | 3.4 | 1.8 | 3.9 | −6.3 | 6.9 | 1.6 | −1.9 | 1.8 | 2.1 | 3.8 | 2.8 |
| 2018 | −4.9% | 5.4 | −3.7 | −2.2 | 0.3 | 2.6 | 0.6 | 3.5 | 3.4 | 0.4 | −7.1 | 1.9 | −8.9 |
| 2017 | 21.5% | 1.9 | 3.8 | 0.1 | 1.0 | 1.3 | 0.7 | 1.9 | 0.3 | 2.1 | 2.3 | 3.0 | 1.2 |
| 2016 | 12.0% | −5.4 | 0.0 | 7.0 | 0.5 | 1.7 | 0.3 | 3.8 | 0.1 | 0.1 | −2.0 | 4.0 | 1.9 |
| 2015 | 0.8% | −2.7 | 5.7 | −1.3 | 0.8 | 1.3 | −1.9 | 2.0 | −6.0 | −2.8 | 8.1 | 0.4 | −1.9 |
| 2014 | 13.1% | −3.2 | 4.8 | 0.6 | 0.5 | 2.3 | 2.3 | −1.6 | 4.1 | −1.7 | 2.4 | 2.7 | −0.3 |
| 2013 | 32.8% | 5.4 | 1.1 | 3.9 | 1.9 | 1.7 | −0.5 | 4.9 | −2.8 | 3.6 | 4.4 | 2.7 | 2.7 |
| 2012 | 16.5% | 4.9 | 4.3 | 3.2 | −0.6 | −6.1 | 3.8 | 1.0 | 2.5 | 2.6 | −1.8 | 0.9 | 1.2 |
| 2011 | 1.2% | 2.3 | 3.5 | 0.2 | 3.0 | −1.1 | −1.8 | −2.1 | −5.8 | −7.3 | 11.0 | −0.4 | 0.9 |
| 2010 | 16.1% | −3.6 | 3.3 | 6.3 | 1.8 | −8.0 | −5.6 | 7.0 | −4.4 | 9.1 | 3.9 | 0.2 | 6.8 |
| 2009 | 28.3% | −7.9 | −10.4 | 8.2 | 10.5 | 5.9 | 0.1 | 7.5 | 3.7 | 3.9 | −2.2 | 6.0 | 2.4 |
| 2008 | −37.4% | −5.9 | −2.8 | −0.7 | 5.0 | 1.7 | −8.3 | −0.9 | 1.4 | −9.3 | −17.1 | −8.4 | 1.8 |
| 2007 | 5.3% | 1.9 | −1.7 | 1.0 | 4.3 | 3.6 | −1.9 | −3.2 | 1.2 | 4.1 | 1.6 | −4.1 | −1.1 |
| 2006 | 15.4% | 2.5 | 0.7 | 1.6 | 1.0 | −3.1 | 0.2 | 0.1 | 2.4 | 2.4 | 3.3 | 2.1 | 1.4 |
| 2005 | 6.3% | −2.2 | 2.1 | −1.4 | −1.8 | 3.5 | 0.3 | 4.1 | −0.9 | 1.1 | −2.2 | 4.0 | 0.0 |
| 2004 | 11.0% | 2.1 | 1.3 | −1.5 | −1.8 | 1.4 | 1.9 | −3.3 | 0.2 | 1.2 | 1.7 | 4.4 | 3.2 |
| 2003 | 30.1% | −2.5 | −1.1 | 0.4 | 8.0 | 6.0 | 1.3 | 2.0 | 1.8 | −0.8 | 5.7 | 1.3 | 5.0 |
| 2002 | −22.3% | −2.3 | −1.6 | 3.6 | −5.5 | −0.7 | −8.0 | −6.8 | 0.3 | −10.2 | 7.7 | 6.3 | −6.0 |
| 2001 | −12.1% | 3.3 | −9.5 | −7.1 | 8.7 | 0.4 | −1.9 | −1.6 | −6.1 | −8.4 | 2.1 | 7.6 | 1.8 |
| 2000 | −5.0% | −0.5 | 3.8 | −1.2 | 7.6 | −4.6 | −1.5 | −8.6 | 0.8 |
Each month runs from the last close of the month before. The first month counts from the first close.
How risky is IWB compared with the S&P 500?#
Measured from October 2021 to October 2026, on the days both traded.
- Beta 1.00. When the S&P 500 moved 1% in a day, IWB tended to move about 1.00%.
- Correlation 1.00. IWB mostly moved with the S&P 500.
- Up and down months. In months the S&P 500 rose, IWB rose 98% as much on average. In months it fell, IWB fell 102% as much.
| Measure | IWB | S&P 500 (SPY) |
|---|---|---|
| Return per year | 11.9% | 12.8% |
| Volatility | 17.2% | 17.1% |
| Worst drop | −25.2% | −24.5% |
| Sharpe ratio | 0.75 | 0.79 |
| Sortino ratio | 1.08 | 1.15 |
| Calmar ratio | 0.47 | 0.52 |
Volatility is how much the price swings in a year. The Sharpe ratio is return per unit of volatility, the Sortino ratio counts only the falls, and the Calmar ratio is the return per year over the worst drop. Higher ratios mean more return for the risk taken.
Is IWB above its 200-day average?#
IWB closed 5.5% above its 200-day average on October 16, 2026. A rule that holds IWB only above that average would hold it today.
- vs 200-day average
- +5.5%
- above it
- 50-day vs 200-day
- +6.2%
- trend rising
- vs 52-week high
- −2.1%
- high of $425.66
A moving average is the average close over the last so many days. Trend rules such as the 10-month moving average strategy hold a fund only while it is above one. You can build that rule for IWB and backtest it in a minute.
What was IWB’s worst drop?#
A drawdown is how far a fund falls from its last high point. IWB’s worst fall was −55.4%, from October 9, 2007 to March 9, 2009. It got back to that high on March 19, 2012. On October 16, 2026 it was 2.1% below its highest close.
| Drop | From the high | To the bottom | Back to the high |
|---|---|---|---|
| −55.4% | Oct 9, 2007 | Mar 9, 200917 months | Mar 19, 20123.0 years |
| −48.3% | Sep 1, 2000 | Oct 9, 20022.1 years | Oct 12, 20064.0 years |
| −34.6% | Feb 19, 2020 | Mar 23, 202033 days | Aug 6, 20204 months |
| −25.2% | Jan 3, 2022 | Oct 12, 20229 months | Dec 14, 202314 months |
| −19.7% | Sep 20, 2018 | Dec 24, 20183 months | Apr 12, 20194 months |
Big drops are normal for some funds. They matter because selling during a drop locks in the loss.
What does IWB hold?#
This fund owns about 1,000 of the largest companies in the United States. That covers big and medium sized companies across many kinds of businesses. Its value goes up and down with the US stock market.
It tracks the Russell 1000 Index. It had 1,023 holdings as of October 15, 2026, according to iShares (BlackRock).
What is the IWB expense ratio?#
IWB charges 0.15% a year. An expense ratio is the yearly fee a fund takes to run itself. On $10,000, a 0.15% fee comes to about $15 a year. Of the 162 ETFs on Tactfolio, 42% charge more.
You never get a bill for it. The fund takes the fee out of its own value a little each day.
Which Tactfolio strategies hold IWB?#
One classic strategy holds IWB at least some of the time. Each is a set of written rules you can open, test and copy.
- Mama Bear Portfolio (Muscular Portfolios), by Brian Livingston, 2018
How does IWB compare with similar ETFs?#
Funds that can stand in for IWB:
- SCHX: Schwab U.S. Large-Cap ETF, 0.03% a year
- VV: Vanguard Morningstar Large-Cap ETF, 0.03% a year
- DIA: State Street SPDR Dow Jones Industrial Average ETF Trust, 0.16% a year
- SPYM: State Street SPDR Portfolio S&P 500 ETF, 0.02% a year
See all 8 IWB alternatives, compared on the same dates as IWB.
Test IWB in your own rules#
Tactfolio is a platform where you build rules-based investing strategies, backtest them on decades of real prices, share them, and run them automatically in your own Alpaca account. Open the builder, add IWB, and see how a rule such as “hold it only above its 200-day average” would have done. Strategies run on daily prices and hold US stocks and ETFs only.
The details#
Prices come from Tactfolio’s stored daily prices for IWB and SPY. Each close is adjusted for splits, and dividends are reinvested on the day the fund pays them out. CAGR is the steady yearly return that turns the starting value into the ending value. Volatility is the yearly standard deviation of daily returns. Beta and correlation compare daily returns with the S&P 500 over the same dates.
Fund facts come from iShares (BlackRock). We checked them on October 16, 2026. Read what a backtest simulates and how to read drawdown and CAGR for more on these measures.
Common questions#
What is the expense ratio of IWB?#
IWB charges 0.15% a year, according to iShares (BlackRock) as of October 16, 2026. That is about $15 a year for every $10,000 you hold.
When did IWB start trading?#
IWB started trading on May 15, 2000. It is run by iShares (BlackRock).
What does IWB track?#
IWB tracks the Russell 1000 Index. This fund owns about 1,000 of the largest companies in the United States.
How much has IWB returned per year?#
From May 2000 to October 2026, IWB returned about 8.5% a year with dividends reinvested. Its worst drop was −55.4%. Past returns do not tell you what it will do next.
Is IWB above its 200-day moving average?#
On October 16, 2026, IWB closed 5.5% above its 200-day moving average. This page updates after each US market close.
Which strategies use IWB?#
One of Tactfolio’s classic strategies hold IWB, including Mama Bear Portfolio (Muscular Portfolios).