MDY – SPDR® S&P MIDCAP 400 ETF Trust
SPDR® S&P MIDCAP 400 ETF Trust (MDY) is a Mid-Cap Blend ETF, issued by State Street Investment Management, $25.6B in assets, 0.24% expense ratio.
Returns as of Oct 23, 2026: 1 week +0.0%, 1 year +11.5%.
Holds portfolio of stocks included in S&P MIDCAP 400 Index. Weights correspond to index weightings.
Top holdings
- TWLO – Twilio Inc, 1.4%
- OKTA – Okta Inc, 1.0%
- ATI – Allegheny Technologies Incorporated, 0.8%
- NVT – nVent Electric PLC, 0.8%
- FTI – TechnipFMC PLC, 0.8%
- UTHR – United Therapeutics Corporation, 0.7%
- ENTG – Entegris Inc, 0.7%
- THC – Tenet Healthcare Corporation, 0.6%
- SNX – TD SYNNEX Corporation, 0.6%
- MTSI – MACOM Technology Solutions Holdings Inc, 0.6%
- ROKU – Roku Inc, 0.6%
- RGLD – Royal Gold Inc, 0.6%
- XPO – XPO Logistics Inc, 0.6%
- ROIV – Roivant Sciences Ltd, 0.6%
- CW – Curtiss-Wright Corporation, 0.6%
- CRS – Carpenter Technology Corporation, 0.6%
- WWD – Woodward Inc, 0.6%
- USFD – US Foods Holding Corp, 0.6%
- RS – Reliance Steel & Aluminum Co, 0.6%
- ITT – ITT Inc, 0.6%
- MKSI – MKS Instruments Inc, 0.5%
- NTNX – Nutanix Inc, 0.5%
- CDE – Coeur Mining Inc, 0.5%
- LSCC – Lattice Semiconductor Corporation, 0.5%
- WCC – WESCO International Inc, 0.5%