Russell 2000 Index
Historical returns and performance of the U.S. small-cap benchmark
What is the Russell 2000?
The Russell 2000 is a stock market index that tracks the performance of 2,000 small-cap U.S. companies. It is a subset of the Russell 3000 Index and represents approximately 7% of the total U.S. equity market capitalization.
Small-cap stocks (typically companies with market caps between $300 million and $2 billion) are often younger companies with higher growth potential but also higher risk compared to large-cap stocks.
On StocksBio, we use IWM (iShares Russell 2000 ETF) as our Russell 2000 benchmark. IWM is the most popular small-cap ETF with an expense ratio of 0.19%.
Russell 2000 Historical Returns
Based on IWM ETF data. $1,000 invested at the start of each period.
Growth of $10,000 in the Russell 2000
How a $10,000 investment in IWM would have grown over time. Small-caps experienced sharp drawdowns in 2008 and 2020 but rebounded strongly each time.
Russell 2000 Annual Returns by Year
Year-by-year performance via IWM. Small-cap returns tend to be more volatile than large-cap indices.
| Year | Return | Performance |
|---|---|---|
| 2026 (YTD) | +0.2% | |
| 2025 | +12.7% | |
| 2024 | +11.4% | |
| 2023 | +16.8% | |
| 2022 | -20.5% | |
| 2021 | +14.5% | |
| 2020 | +20.0% | |
| 2019 | +25.4% | |
| 2018 | -11.1% | |
| 2017 | +14.6% | |
| 2016 | +21.6% | |
| 2015 | -4.5% | |
| 2014 | +5.0% | |
| 2013 | +38.7% | |
| 2012 | +16.7% | |
| 2011 | -4.4% | |
| 2010 | +26.9% | |
| 2009 | +28.5% | |
| 2008 | -34.1% | |
| 2007 | -1.8% | |
| 2006 | +18.3% | |
| 2005 | +4.5% | |
| 2004 | +18.1% | |
| 2003 | +47.9% | |
| 2002 | -20.4% | |
| 2001 | +1.8% | |
| 2000 (YTD) | +1.5% |
Russell 2000 CAGR (Compound Annual Growth Rate)
Small-cap stocks have historically provided higher long-term returns than large-caps, but with significantly more volatility. The Russell 2000 often outperforms during economic recoveries and underperforms during recessions.
Russell 2000 Best and Worst Years
Best Years
Worst Years
Small-cap drawdowns tend to be deeper than large-cap declines, but recoveries are often sharper. The best year for small-caps usually follows a severe downturn.
Russell 2000 Monthly Statistics
Russell 2000 Monthly Returns Heatmap
Month-by-month returns for the last 10 years. Small-caps tend to show stronger seasonality than large-caps, with December and January historically among the strongest months.
Russell 2000 Major Crashes and Bear Markets
Every major drawdown over 15% from peak to trough. Small-caps typically fall harder than large-caps during bear markets due to lower liquidity and weaker balance sheets.
| Peak | Trough | Decline | Context |
|---|---|---|---|
| 2000-08 | 2002-09 | -31.7% | Dot-com bubble |
| 2007-05 | 2009-02 | -52.5% | Financial Crisis |
| 2011-04 | 2011-09 | -25.1% | Market correction |
| 2015-06 | 2016-02 | -16.8% | Market correction |
| 2018-08 | 2020-03 | -32.3% | COVID-19 crash |
| 2021-06 | 2022-09 | -27.0% | Fed rate hikes |
| 2024-11 | 2025-04 | -19.0% | Market correction |
When Small-Caps Shine: The Economic Cycle
Small-cap performance is closely tied to the economic cycle. Understanding where we are in the cycle can help set expectations for Russell 2000 returns.
Early Recovery
Small-caps lead. Coming out of recession, smaller companies with domestic revenue focus and cyclical business models benefit first. Their earnings snap back faster than large multinationals, and historically the Russell 2000 has outperformed the S&P 500 by 10-15% in the first year of recovery.
Mid-Cycle Expansion
Performance converges. As the economy matures, small and large-caps tend to deliver similar returns. Large-caps benefit from scale and global revenue, while small-caps ride domestic growth. Both can do well in this phase.
Late Cycle / Rate Hikes
Small-caps struggle. Rising interest rates disproportionately hurt small-cap companies, which tend to carry more floating-rate debt relative to their earnings. Profit margins get squeezed, and investors shift toward the safety of large-cap quality names.
Recession
Small-caps fall harder. With less financial cushion, weaker credit access, and narrower business moats, small-cap stocks typically decline more than large-caps in recessions. However, this sets up the conditions for the next phase of outperformance.
Valuation note: As of 2026, the Russell 2000 trades at a significant discount to the S&P 500 on a price-to-earnings basis. Historically, periods of wide valuation gaps between small and large-caps have been followed by extended periods of small-cap outperformance. This does not guarantee future returns, but it provides context for the current opportunity.
Understanding the Russell 2000
Why Invest in Small-Cap Stocks?
Small-cap stocks offer several potential advantages:
- Growth potential: Smaller companies have more room to grow
- Diversification: Different risk/return profile from large-caps
- Undervalued opportunities: Less analyst coverage may create mispricings
- Economic sensitivity: Often first to benefit from economic recovery
Russell 2000 vs S&P 500
Key differences between these indices:
- Company size: Small-cap (Russell 2000) vs large-cap (S&P 500)
- Number of stocks: 2,000 vs 500
- Volatility: Higher for Russell 2000
- Sector mix: More financials and industrials in Russell 2000
Annual Reconstitution
The Russell 2000 is reconstituted annually in June. Companies that have grown too large move to the Russell 1000 (large-cap), while smaller companies are added. This "graduation effect" means successful companies leave the index.
Frequently Asked Questions
What is the Russell 2000 index?
The Russell 2000 is a stock market index that tracks the performance of 2,000 small-cap U.S. companies. It is a subset of the broader Russell 3000 Index and represents approximately 7% of total U.S. equity market capitalization. It is the most widely used benchmark for small-cap stocks.
Is IWM a good investment?
IWM (iShares Russell 2000 ETF) provides broad exposure to 2,000 small-cap U.S. stocks with a low expense ratio of 0.19%. It is a good option for investors seeking diversification beyond large-cap stocks and wanting exposure to the small-cap premium. However, it comes with higher volatility than large-cap ETFs like SPY.
What is the average annual return of the Russell 2000?
The Russell 2000 has historically returned around 7-8% per year on average. Over the past 10 years via IWM, the CAGR has been +9.7%. Small-caps tend to have higher variance than large-caps, with bigger swings in both directions.
Why has the Russell 2000 underperformed the S&P 500?
Since 2010, large-cap tech stocks have dominated market returns, pulling the S&P 500 far ahead of small-caps. The Russell 2000 also suffers from the "graduation effect" where its best-performing companies move up to large-cap indices. Additionally, higher interest rates disproportionately hurt small-caps, which tend to carry more floating-rate debt.
When do small-cap stocks outperform large-caps?
Small-caps tend to outperform during early economic recoveries when their domestic revenue focus and cyclical sensitivity give them an edge. They also tend to do well when the Fed is cutting rates, when the U.S. dollar is weakening, and when value stocks are in favor. Historically, periods of small-cap underperformance have been followed by strong reversals.