State Street SPDR S&P MIDCAP 400 ETF Trust
MDY US IndexUpdated: Jul 5, 2026, 21:17 UTC
Key Metrics
Top 10 Holdings
| Holding | Ticker | Weight | Bar |
|---|---|---|---|
| Flex Ltd | FLEX | 1.58% | |
| Twilio Inc Class A | TWLO | 0.82% | |
| TechnipFMC PLC | FTI | 0.79% | |
| Curtiss-Wright Corp | CW | 0.79% | |
| nVent Electric PLC | NVT | 0.77% | |
| Sterling Infrastructure Inc | STRL | 0.75% | |
| XPO Inc | XPO | 0.72% | |
| Everpure Inc Class A | P | 0.71% | |
| Illumina Inc | ILMN | 0.71% | |
| United Therapeutics Corp | UTHR | 0.68% |
Sector Allocation
About This ETF
The State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) is a US Index ETF with an expense ratio (TER) of 0.23% and $26.4B in assets under management., with its largest holdings being Flex Ltd, Twilio Inc Class A, TechnipFMC PLC. The ETF currently yields 1.05% in dividends. Year-to-date, MDY has returned +14.04%.
The Trust seeks to achieve its investment objective by holding a portfolio of the common stocks that are included in the index (the “Portfolio”), with the weight of each stock in the Portfolio substantially corresponding to the weight of such stock in the index.
FAQ — MDY
What is the TER of MDY (State Street SPDR S&P MIDCAP 400 ETF Trust)?
MDY has a Total Expense Ratio (TER) of 0.23 % per year. That sits above the us index category median (0.05 % across 14 peer ETFs). The TER is deducted directly from the fund and lowers your effective return.
What return has MDY delivered?
Performance for MDY: YTD: +14.04 % · 3-year p.a.: +14.46 % · 5-year p.a.: +8.37 %. Over 5 years, MDY underperforms the us index category median of +12.07 % by -3.70 pp. Past performance is no guarantee of future returns.
What are the top holdings of MDY?
The five largest positions in MDY are: FLEX, TWLO, FTI, CW, NVT. The full holdings list is updated daily on this page.
Does MDY pay dividends?
MDY has a current dividend yield of 1.05 %. Distributing ETFs pay this out in cash; accumulating versions reinvest it inside the fund. Check the share class on your broker before buying.
Where can I buy or set up a savings plan for MDY?
MDY is available at most major brokers. For a free monthly savings plan from €1, look at Trade Republic, Scalable Capital or Flatex. The broker comparison on this site shows fees, free-savings-plan ETFs and execution exchanges side by side.
What is the SPDR S&P MIDCAP 400 ETF?
The State Street SPDR S&P MIDCAP 400 ETF Trust (ticker MDY) tracks the S&P MidCap 400, bundling 400 mid-sized US companies into a single security. With $26.0B in assets and an expense ratio of 0.23%, it gives investors access to the often overlooked mid-cap segment that sits between large caps and small caps. Unlike pure mega-cap indices, MDY emphasizes broadly diversified, growth-oriented businesses, with no single holding exceeding roughly one percent of the portfolio.
Performance in Context
MDY has returned 11.39% year to date, with an annualized three-year return of 16.37% and a five-year return of 7.74%. These figures reflect the cyclical nature of the mid-cap segment: mid-sized companies are sensitive to the US economy, interest rates and industrial activity. With heavy weightings in industrials (25.11%), technology (15.4%) and financial services (13.91%), performance is driven largely by domestic demand and investment cycles. The price trades near its 52-week high of $685.50, well above the low of $540.43. The dividend yield stands at 1.07%.
Risk Profile
As a broadly diversified equity ETF, MDY is subject to ordinary market fluctuations. Mid-cap stocks tend to be more volatile than large caps because they are more sensitive to the business cycle. The large allocation to industrials (25.11%) and consumer cyclicals (10.82%) increases reliance on the US economic cycle.
- Currency risk: The ETF is denominated in US dollars. For euro-area investors a weaker dollar can erode returns, while a stronger dollar can enhance them.
- Concentration risk: A purely US exposure without international diversification.
- Cyclical risk: Sensitivity to interest rates and industrial activity.
Who Is This ETF For?
MDY suits long-horizon investors who want to extend their US exposure beyond pure mega-cap indices into mid-sized companies. Those seeking growth potential and a complement to a classic S&P 500 core will find a diversified instrument with moderate costs.
It is less suitable for investors with a short time horizon, low risk tolerance, or a need for high current income, since the 1.07% dividend yield is modest. Anyone who wants to avoid currency risk or invest with broad global diversification should consider additional building blocks. This text is not investment advice.
How It Compares to Similar ETFs
In the mid-cap segment, MDY competes with several products:
- iShares Core S&P Mid-Cap ETF (IJH): Tracks the same S&P MidCap 400 but at a notably lower cost, making it a direct alternative.
- Vanguard Mid-Cap ETF (VO): Follows a CRSP mid-cap index, includes some slightly larger names and is known for being very inexpensive.
- iShares Russell Mid-Cap ETF (IWR): Offers broader coverage of the mid-cap universe via the Russell index.
MDY stands out for deep liquidity and a long track record, but at 0.23% it is pricier than many competitors.
Where can I buy MDY?
Compare the best brokers for ETF savings plans — low fees, trusted providers, fully regulated.