Table of Contents
The Russell 2000 Index is a stock market index that tracks approximately 2,000 small-capitalization (small-cap) U.S. companies. It represents the small-cap segment of the broader Russell 3000 Index, which measures the performance of roughly 3,000 of the largest publicly traded U.S. companies. Because it focuses on smaller companies, the Russell 2000 Index is widely used as a benchmark for the U.S. small-cap stock market. Investors can also use funds that track the index to gain exposure to a broad group of small-cap stocks.
Key Points
• The Russell 2000 index tracks approximately 2,000 small-cap U.S. companies to provide a performance benchmark for the small-cap equity market.
• Smaller companies in this index are often more sensitive to economic shifts, which can lead to higher volatility compared to large-cap benchmarks like the S&P 500.
• Investors cannot purchase the index directly, but they can gain exposure to it by investing in ETFs or index mutual funds that track its performance.
• FTSE Russell manages the index by performing a semi-annual reconstitution in June and December to reflect changes in company size and eligibility.
• Market capitalization weighting means that the largest companies within the index have a greater impact on its overall performance than the smallest ones.
Understanding the Russell 2000 Index
A stock market index is a tool that tracks a specific group of stocks to measure how a segment of the market — or the broader market — is performing. Instead of looking at thousands of individual companies, you can look at an index to get a general sense of whether a particular segment of the market is rising or falling.
The Russell 2000 Index tracks approximately 2,000 small-cap companies and is designed to represent a broad cross-section of the U.S. small-cap equity market. A company’s market capitalization is the total market value of its outstanding shares. It’s generally calculated by multiplying the current share price by the number of outstanding shares.
The Russell 2000 was created and is maintained by FTSE Russell, a subsidiary of the London Stock Exchange Group (LSEG). Many exchange-traded funds (ETFs) and mutual funds track the Russell 2000 or use it as a benchmark.
How the Index Is Constructed
The Russell 2000 is a subset of the broader Russell 3000. The Russell 3000 Index includes approximately 3,000 of the largest eligible U.S. companies by market cap and is designed to represent about 98% of the U.S. investable equity market. It includes large-, mid- and small-cap stocks. The Russell 1000 consists of the largest 1000 companies in the Russell 3000, while the Russell 2000 consists of the next 2,000 companies.
The Russell 2000 is market-capitalization-weighted, meaning companies with larger market capitalizations generally have a greater effect on the index than small companies. The index uses a free-float adjusted approach, which takes into account the shares that are available for public trading.
FTSE Russell regularly recalibrates the Russell U.S. indexes to account for changes in company size and eligibility. Beginning in 2026, the index moved from an annual reconstitution to a semi-annual reconstitution in June and December. Eligible initial public offerings (IPOs) are also added quarterly.
Top Russell 2000 Companies by Weight
According to the FTSE Russell Index factsheet, these were the top ten individual constituents in the Russell 2000 Index as of July 31 2026:
• Moog Inc. (Industrials)
• Hut 8 Corp. (technology)
• UMB Financial Corporation (financials)
• Cytokinetics, Inc. (health care)
• Viasat, Inc. (telecommunications)
• BrightSpring Health Services, Inc. (health care)
• Glaukos Corporation (health care)
• CareTrust REIT, Inc. (real estate)
• Old National Bancorp (financials)
• Brinker International, Inc. (consumer discretionary)
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Russell 2000 vs S&P 500 and Other Indexes
The Russell 2000 Index differs from large-cap indexes such as the S&P 500 and the Dow Jones Industrial Average because it focuses on smaller U.S. companies within the U.S. stock market. Small-cap stocks can experience greater price fluctuations than large-cap stocks, so the Russell 2000 has historically tended to be more volatile than large-cap benchmarks.
Compared to the technology-heavy Nasdaq Composite, the Russell 2000 generally provides exposure to a broader mix of industries. Sectors represented in the index include financial, health care, real estate, telecommunications, and consumer discretionary companies.
Here’s a quick comparison of several major stock indexes:
• Russell 2000: Tracks approximately 2,000 small-cap U.S. companies, with an average market cap around $4 billion.
• S&P 500: Tracks approximately 500 large-cap U.S. companies and is widely used as a benchmark for large-cap U.S. stocks.
• Nasdaq Composite: Tracks roughly 3,000 stocks (both large and small) listed on the Nasdaq Stock Market and has a relatively large concentration in technology and other growth-oriented companies.
• Dow Jones Industrial Average: Also known as the Dow, this price-weighted index tracks 30 large, established U.S companies across multiple industries.
What the Russell 2000 Tells Us About the Economy
The Russell 2000 is sometimes viewed as an indicator of how smaller U.S. companies are responding to economic conditions. Small businesses can be particularly sensitive to changes in consumer demand, borrowing costs, wages, and other operating expenses.
However, the Russell 2000 generally shouldn’t be used as a direct measure of the overall health of the U.S. economy. The companies in the index operate across many industries and can have different levels of exposure to domestic and international markets. In addition, stock prices reflect investors’ expectations about future business conditions as well as current economic conditions.
How to Invest in the Russell 2000
You cannot invest directly in a market index. However, you can buy shares of an ETF or mutual fund designed to track the Russell 2000 through a brokerage account, including self-directed investing accounts and robo-advisors. These funds provide exposure to many of the companies in the index through a single investment.
For investors interested in Russell 2000 funds, here are the basic steps:
Step 1: Open a Brokerage Account
If you don’t already have a brokerage account, you’ll need to choose a brokerage firm or investing app. It’s wise to shop around and compare factors such as account fees, investment choices, trading costs, and whether fractional-share trading is available.
Step 2: Choose a Russell 2000 ETF or Mutual Fund
Two common ways to gain exposure to the Russell 2000 are through an ETF or an index mutual fund that tracks the index.
ETFs trade through the day during market hours, with their prices changing as the market moves. They generally charge an expenses ratio, which is an annual fee expressed as a percentage of the fund’s assets.
Index mutual funds pool money from many investors to purchase a portfolio designed to track a particular index. Unlike ETFs, mutual funds are generally bought and sold at the fund’s net asset value (NAV), which is calculated once per trading day.
Before choosing a fund, it’s a good idea to compare factors such as its expense ratio, how closely it tracks the index, and any account or transaction fees.
Step 3: Determine Your Investment Amount
Consider how much you want to allocate to a Russell 2000 fund based on your financial situation, investment goals, time horizon, and tolerance for market volatility. Because small-cap stocks can experience significant price fluctuations, you’ll want to consider how this type of exposure fits into your broader portfolio.
You may have the option to make a one-time purchase or establish a recurring investment schedule. If your budget is limited, check whether your brokerage allows you to purchase fractional shares of a fund.
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Step 4: Execute Your Trade
Enter the ticker symbol for the fund you want to purchase, then select the type of order you want to place. A market order generally executes at the best available price, while a limit order allows you to specify the maximum price you are willing to pay.
Enter the number of shares or dollar amount (if supported by your brokerage) you want to purchase, review your order, then submit the trade.
The Takeaway
The Russell 2000 is a widely followed benchmark for U.S. small-cap stocks. It tracks approximately 2,000 companies and provides exposure to a broad range of industries, although small-cap stocks can be more volatile than large-cap stocks. The index is also regularly updated as companies grow, shrink, or otherwise become eligible or ineligible for inclusion.
If you’re considering a Russsell 200 fund, understand how the index works, compare available funds and consider how small-cap exposure fits with your overall financial goals and tolerance for market fluctuations.
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FAQ
What is a good alternative to the Russell 2000?
One alternative to the Russell 2000 is the S&P SmallCap 600, which tracks small-capitalization stocks meeting Standard & Poor’s criteria for liquidity and stability. Unlike the Russell 2000 Index, the S&P 600 covers a relatively small group of stocks (approximately 600) and has stricter inclusion criteria, such as specific positive-earnings and liquidity requirements.
Are small-cap stocks riskier than large-cap stocks?
Small-cap stocks can be riskier than large-cap stocks. They may experience higher price volatility since smaller companies tend to have less stable revenues and limited financial reserves to survive economic downturns. While small-caps can provide significant long-term growth potential, they generally carry a higher risk of capital loss.
Does the Russell 2000 index pay dividends?
You cannot invest directly in the Russell 2000 index itself, so the index does not pay dividends directly to investors. However, you can gain exposure to the index by purchasing shares of exchange-traded funds (ETFs) or mutual funds that track its performance. Because many of the underlying small-cap companies within the index pay dividends, the funds tracking it historically pass these aggregated yields along to shareholders, typically via quarterly distributions.
How often do companies enter or leave the index?
FTSE Russell recalibrates the index to account for changes in company size and eligibility. As of 2026, the index moved from an annual reconstitution to a semiannual reconstitution, which occurs in June and December. Additionally, eligible initial public offerings (IPOs) are added to the index on a quarterly basis.
Can you buy the Russell 2000 directly?
No, you cannot invest directly in a market index. The index serves as a measurement tool rather than a tradable asset. However, you can buy shares of an exchange-traded fund (ETF) or index mutual fund designed to track the Russell 2000 through a brokerage account, which provides exposure to many of the companies included in the index.
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