Mid-Cap Stock

Market & Trading
Updated Apr 2026

A company with a market capitalization typically between $2 billion and $10 billion, offering a blend of growth potential and relative stability.

What is Mid-Cap?

A mid-cap stock refers to shares of a company with a market capitalization generally between $2 billion and $10 billion. Mid-cap companies occupy the space between the established stability of large caps and the high-growth potential of small caps, often at an inflection point of rapid expansion with more institutional following than small caps but more room to grow than blue chips. Many mid-cap companies are sector leaders in niche markets, and investors frequently use mid-caps to balance a portfolio's growth and risk profile. The S&P MidCap 400 index tracks this segment of the market.

Example

Example

In 2024, Watts Water Technologies had a market capitalization of approximately $6 billion, placing it firmly in mid-cap territory. It was too large to be considered a high-risk small cap but still grew revenue at double-digit rates — illustrating the blend of growth momentum and financial stability that attracts investors to the mid-cap segment.

Source: Investopedia — Mid-Cap