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SPDR S&P MIDCAP 400 ETF TRUST (MDY)

SEC CIK 936958 · Series CIK_936958 · Portfolio as of 2026-06-30

Net assets
$28.05B
Holdings
400
Snapshots
28
History since
2019-09-30

Top holdings

SecurityValueWeight
TWILIO INC · TWLO$240.9M0.86%
CARPENTER TECHNOLOGY CORP · CRS$235.8M0.84%
MKS INC · MKSI$231.2M0.83%
CURTISS-WRIGHT CORP · CW$215.4M0.77%
NVENT ELECTRIC PLC · NVT$211.0M0.76%
ENTEGRIS INC · ENTG$211.0M0.76%
ATI INC · ATI$207.0M0.74%
ILLUMINA INC · ILMN$204.7M0.73%
TECHNIPFMC PLC · FTI$203.4M0.73%
STERLING INFRASTRUCTURE INC · STRL$198.2M0.71%

Sector exposure

technology
25.6%
financials
20.8%
industrials
16.2%
healthcare
12.2%
consumer discretionary
7.3%
materials
5.8%
utilities
4.1%
energy
3.6%

Recent monthly returns

2026-01
+4.92%
2026-02
+4.94%
2026-03
-5.37%
2026-04
+7.79%
2026-05
+2.42%
2026-06
+3.60%

From N-PORT Part B, units verified by net-asset reconciliation.

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Full holdings, every historical snapshot, point-in-time queries, monthly returns and flows — free tier available, no card required.

Source: SEC EDGAR Form N-PORT. Data is quarterly with a regulatory filing lag; this page shows the most recent public filing. Not investment advice.