State Street SPDR S&P 400 Mid Cap Growth ETF

1D
1W
1M
3M
YTD
1Y
5Y
ALL

Why Robinhood?

Robinhood gives you the tools you need to put your money in motion. You can buy or sell MDYG and other ETFs, options, and stocks.

About MDYG

MDYG tracks a market-cap-weighted index of growth companies selected from the S&P 400. 

Index-Tracked
S&P 500 TR USD
Index-TrackedS&P 500 TR USD
Category
Mid-Cap Growth
CategoryMid-Cap Growth
Number of holdings
248
Number of holdings248
Inception Date
Nov 8, 2005
Inception DateNov 8, 2005

What's in this fund

Sectors

As of October 9, 2026
Industrials26.21%
Technology23.88%
Healthcare16.12%
Consumer Cyclical7.38%
Financial Services7.05%
Real Estate5.87%
Basic Materials4.33%
Energy3.14%
Communication Services2.31%
Consumer Defensive1.87%
Utilities1.84%

MDYG Key Statistics

AUM
2.86B
AUM2.86B
Price-Earnings ratio
26.20
Price-Earnings ratio26.20
30-Day yield
0.61
30-Day yield0.61
Average volume
107.37K
Average volume107.37K
High today
$106.82
High today$106.82
Low today
$105.96
Low today$105.96
Open price
$106.64
Open price$106.64
Volume
83.12K
Volume83.12K
52 Week high
$113.93
52 Week high$113.93
52 Week low
$87.09
52 Week low$87.09
Expense ratio
0.15
Expense ratio0.15

Stock Snapshot

With a market cap of 2.86B, State Street SPDR S&P 400 Mid Cap Growth ETF(MDYG) trades at $106.00. The stock has a price-to-earnings ratio of 26.20 and currently yields dividends of 0.76%.

On 2026-10-13, State Street SPDR S&P 400 Mid Cap Growth ETF(MDYG) stock moved within a range of $105.96 to $106.82. With shares now at $106.00, the stock is trading +0.0% above its intraday low and -0.8% below the session's peak.

Trading volume for State Street SPDR S&P 400 Mid Cap Growth ETF(MDYG) stock has reached 83.12K, versus its average volume of 107.37K.

The stock's 52-week range extends from a low of $87.09 to a high of $113.93.

The stock's 52-week range extends from a low of $87.09 to a high of $113.93.

Average Annual Return

Similar Marketcap

This list is generated by looking at the six larger and six smaller companies by market cap in relation to this company.

Popular Stocks

This list is generated by looking at the top 100 stocks and ETFs most commonly held by Robinhood customers and showing a random subset

Newly Listed

This list is generated by showing companies that recently went public.

All investments involve risks, including the loss of principal. Performance data represents past performance and is no guarantee of future results. Investment returns and principal value will fluctuate and are subject to market volatility. An investment, when redeemed, may be worth more or less than the original cost. Current performance may be lower or higher than the performance data quoted. Options are risky and aren’t suitable for all investors. To learn more about risks, read the Options Disclosure Document.