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Get the performance of the middle market in a single trade

MDY

Don’t Miss Out on a Mid-Cap Allocation

MDY — the first mid-cap ETF — delivers cost-efficient, liquid exposure to the S&P MidCap 400® — an index tracking the performance of 400 US-based mid-sized companies. Launched in 1995 the MidCap 400® boasts a market cap of $3.1 trillion.1

Why Invest in the SPDR® S&P MIDCAP 400® ETF Trust?

MDY offers potential benefits for investors seeking middle market equity exposure:

Historic Outperformance

Since 1994, mid caps have outperformed large caps 48% of the time and small caps 54%,2  yet many portfolios don’t include mid-cap exposures.

Broad Exposure

MDY provides instant diversification and broad exposure to 400 US medium-sized companies — balancing growth potential with stability in one powerful investment.

Trusted Providers

MDY is managed by State Street Global Advisors, an ETF pioneer and one of the world’s largest asset managers, and is benchmarked to S&P MidCap 400 Index from S&P Dow Jones Indices, one of the most trusted index providers.

Quick Quiz

True or False: MDY’s sector allocation matches the sector allocation of the S&P MidCap 400 Index, even down to the weight of each sector.

Correct!

MDY’s sector allocation matches the sector allocation of the S&P MidCap 400 Index, even down to the weight of each sector. 

Sorry, Wrong Answer

MDY’s sector allocation matches the sector allocation of the S&P MidCap 400 Index, even down to the weight of each sector.

What Holdings Make Up MDY?

MDY: Backed by an Indexing Leader

Frequently Asked Questions

MDY, or SPDR® S&P MidCap 400® ETF Trust, is an ETF designed to closely track the performance of the S&P MidCap 400 Index from S&P Dow Jones Indices. It allows investors to gain exposure to medium-sized companies, which are often considered a balance between growth potential and stability.

MDY is traded on major stock market exchanges and provides a convenient way to invest in the entire to S&P MidCap 400 as a single security.

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