Skip to content

MDYState Street SPDR S&P MIDCAP 400 ETF Trust

Grow my money31y track recordRanked #101 of 2,999 in this goal

Seeks to provide investment results that correspond generally to the price and yield performance of the S&P MidCap 400 Index.

By State Street Investment Management · Launched 1995

Annual Cost

0.23%

#1,033 of 5,861 · low cost

Fund Size

$28.1B

#116 of 5,861 · large

Return (1Y)Goal

+19.2%

Track Record

31 years

#16 of 5,861 · established

Performance

Total-return NAV · USD
Growth of $10,000
$11,941+19.4%

Total-return NAV, USD. Net of fund fees, before tax.

What's inside

How Beacon categorizes this fund

Asset class

Equity

Cap

Mid

Strategy

Index tracking

Index tracked

S&P MidCap 400 Index

What it actually holds

By weight

Concentration

Top 10 holdings = 7.7% of fundwell diversified

Twilio Inc Class ATWLO
0.9%
Carpenter Technology CorpCRS
0.8%
MKS IncMKSI
0.8%
Curtiss-Wright CorpCW
0.8%
nVent Electric PLCNVT
0.8%
Entegris IncENTG
0.8%
ATI IncATI
0.7%
Illumina IncILMN
0.7%
TechnipFMC PLCFTI
0.7%
Sterling Infrastructure IncSTRL
0.7%

Asset allocation

Stocks
100.0%

By sector

Industrials
25.4%
Technology
16.9%
Financial Services
13.4%
Consumer Cyclical
10.7%
Healthcare
9.1%
Real Estate
7.4%
Basic Materials
4.9%
Energy
4.7%
Other
7.7%

Risk profile

Last 12 months · Sharpe & Sortino need 3+ years
Volatility (1Y)
15.7%Moderate

Year-on-year price swings

Max drawdown
-42.2%Severe

Worst peak-to-trough loss

Sharpe (3Y)
0.55Decent risk-adjusted returns
Sortino (3Y)
0.81Moderate downside risk

Listing

Exchange
NYSE Arca

Full fund details

Objective
Seeks to provide investment results that correspond generally to the price and yield performance of the S&P MidCap 400 Index.
Strategy
Invests primarily in common stocks of mid-capitalization companies included in the S&P MidCap 400 Index, aiming for a close correspondence between the performance of the Trust and the Index. The Trust is not actively managed and holds constituent securities regardless of market conditions.
Inception date
May 4, 1995
Fund family
State Street Investment Management

What's next?

You've looked at MDY. Save it to your watchlist to weigh it against other funds, then turn your shortlist into a portfolio.

Data updated on 2026-08-04