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ETF · holdings as filed 2026-03-31

What's inside MDY?

State Street SPDR S&P MidCap 400SM ETF Trust
Holdings
400
positions in the fund
Top 10
7%
of fund assets
Expense ratio
—
net, per year
Fund size
$24B
total net assets
Top 15 holdings
1
FTITECHNIPFMC PLC
0.87%
2
CASYCASEY'S GENERAL STORES INC
0.84%
3
UTHRUNITED THERAPEUTICS CORP
0.79%
4
CWCURTISS-WRIGHT CORP
0.78%
5
FLEXFLEX LTD
0.75%
6
XPOXPO INC
0.71%
7
WWDWOODWARD INC
0.66%
8
RGLDROYAL GOLD INC
0.64%
9
USFDUS FOODS HOLDING CORP
0.63%
10
BURLBURLINGTON STORES INC
0.63%
11
ATIATI INC
0.62%
12
MTZMASTEC INC
0.61%
13
CRSCARPENTER TECHNOLOGY
0.61%
14
NVTNVENT ELECTRIC PLC
0.59%
15
TWLOTWILIO INC - A
0.59%
Sectors
1Information Technology
23%
2Financials
21%
3Industrials
13%
4Consumer Discretionary
12%
5Health Care
11%
6Materials
6%
7Utilities
5%
8Energy
3%
Geography
1United States
93%
2Bermuda
2%
3Ireland
1%
4United Kingdom
1%
5Singapore
1%
6Canada
1%
7Cayman Islands
1%
8Netherlands
0%
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Data source: official SEC Form N-PORT filings (as of 2026-03-31); expense ratio from SEC prospectus (risk/return) filings. Fund holdings are disclosed quarterly and may reflect a 60-day reporting delay.
Informational and educational only — not investment advice.