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
241
Number of holdings241
Inception Date
Nov 8, 2005
Inception DateNov 8, 2005

What's in this fund

Sectors

As of February 5, 2026
Industrials28.73%
Technology23.18%
Healthcare13.14%
Consumer Cyclical9.81%
Financial Services7.63%
Real Estate4.82%
Basic Materials3.48%
Energy2.89%
Communication Services2.26%
Consumer Defensive2.19%
Utilities1.87%

Top 10 Holdings (15.15% of total assets)

As of February 5, 2026
NameSymbol% Assets
LumentumLITE2.07%
CienaCIEN2.06%
CoherentCOHR1.90%
Casey's General StoresCASY1.40%
Curtiss WrightCW1.32%
TechnipFMCFTI1.32%
WoodwardWWD1.30%
FlexFLEX1.29%
XPOXPO1.26%
RB Global IncRBA (XTSE)1.23%

MDYG Key Statistics

AUM
2.58B
AUM2.58B
Price-Earnings ratio
31.21
Price-Earnings ratio31.21
30-Day yield
0.54
30-Day yield0.54
Average volume
171.20K
Average volume171.20K
High today
$99.98
High today$99.98
Low today
$98.27
Low today$98.27
Open price
$98.27
Open price$98.27
Volume
72.85K
Volume72.85K
52 Week high
$99.98
52 Week high$99.98
52 Week low
$68.59
52 Week low$68.59
Expense ratio
0.15
Expense ratio0.15

Stock Snapshot

With a market cap of 2.58B, State Street SPDR S&P 400 Mid Cap Growth ETF(MDYG) trades at $99.89. The stock has a price-to-earnings ratio of 31.21 and currently yields dividends of 63.4%.

On 2026-02-07, State Street SPDR S&P 400 Mid Cap Growth ETF(MDYG) stock moved within a range of $98.27 to $99.98. With shares now at $99.89, the stock is trading +1.6% above its intraday low and -0.1% below the session's peak.

Trading activity shows a volume of 72.85K, compared to an average daily volume of 171.2K.

Over the past 52 weeks, State Street SPDR S&P 400 Mid Cap Growth ETF(MDYG) stock has traded between a high of $99.98 and a low of $68.59.

Over the past 52 weeks, State Street SPDR S&P 400 Mid Cap Growth ETF(MDYG) stock has traded between a high of $99.98 and a low of $68.59.

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.