Russell Microcap Index

The Russell Microcap Index measures the performance of the microcap segment of the U.S. equity market. It makes up less than 3% of the U.S. equity market. It includes 1,000 of the smallest securities in the Russell 2000 Index based on a combination of their market cap and current index membership and it also includes up to the next 1,000 stocks. As of 31 December 2016^[update], the weighted average market capitalization for a company in the index was $535 million; the median market cap was $228 million. The market cap of the largest company in the index was $3.6 billion.

The index, which was launched on June 1, 2005, is maintained by FTSE Russell, a subsidiary of the London Stock Exchange Group. Its ticker symbol is ^RUMIC.

Records

In February 2021, during the everything bubble, a record 14 members of the index exceeded the market capitalization of the smallest member of the S&P 500 Index.^[1]

Investing

The Russell Microcap Index is tracked by the iShares Micro-Cap ETF (NYSE Arca: IWC).^[2]

Top 10 holdings

• Mercury Systems (Nasdaq: MRCY)
• Centerstate Banks (Nasdaq: CSFL)
• Lakeland Financial (Nasdaq: LKFN)
• Merit Medical Systems (Nasdaq: MMSI)
• Team Inc (NYSE: TISI)
• Patrick Industries (Nasdaq: PATK)
• Synergy Pharmaceuticals (Nasdaq: SGYP)
• Hanmi Financial (NYSE: HAFC)
• Aerie Pharmaceuticals (Nasdaq: AERI)
• Stewart Information Services (NYSE: STC)

(as of December 31, 2016)^[3]

Top sectors by weight

• Financial Services
• Health Care
• Consumer Discretionary
• Technology
• Producer Durables

See also

• Russell Investments
• Russell 2000 Index
• Russell 1000 Index