MDY — SPDR S&P MidCap 400 ETF Trust

Data updated: 2026-06-01

MDY — SPDR S&P MidCap 400 ETF Trust data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Mid Cap Equity · 0.24% expense ratio · 18.9% 1-yr return. From SEC regulatory filings.

MDY Fund Overview

MDY — SPDR S&P MidCap 400 ETF Trust is a US ETF managed by SPDR S&P Midcap 400 ETF Trust, categorised as United States Mid Cap Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.

  • Type: US ETF
  • Manager: SPDR S&P Midcap 400 ETF Trust
  • Category: United States Mid Cap Equity
  • 1-year return: 18.9%
  • Ticker: MDY
  • SEC CIK: 0000936958
  • SEC series ID: RS0000936958
  • Share class ID: RC0000936958

MDY Holdings

Top 10 holdings of SPDR S&P MidCap 400 ETF Trust by percentage of net assets, from the fund's latest SEC N-PORT filing.

Holding% of net assets
TechnipFMC PLC0.87%
Casey'S General Stores Inc.0.84%
United Therapeutics Corporation0.79%
Curtiss-Wright Corp.0.78%
Flex Ltd.0.75%
XPO Inc0.71%
Woodward Inc.0.66%
Royal Gold, Inc.0.64%
US Foods Holding Corp0.63%
Burlington Stores Inc.0.63%

View all MDY holdings

MDY Portfolio Allocation

Asset-class allocation of SPDR S&P MidCap 400 ETF Trust by percentage of net assets, from the latest SEC N-PORT filing.

Asset classAllocation
Equity99.4%

MDY Performance

Total returns for MDY (as of 2026-08-01), from SEC filings.

PeriodTotal return
YTD4.2%
1 year18.9%
3 years (annualised)12.3%
5 years (annualised)6.9%

MDY Risk Information

Risk metrics for MDY, derived from monthly returns in SEC filings.

  • 1-year volatility (annualised): 11.0%

MDY Costs and Fees

MDY costs about $24 per $10,000 invested per year in fund expenses.

  • Net expense ratio: 0.24%
  • Gross expense ratio: 0.24%

MDY Debt Constituents

No individual debt constituents are reported in SPDR S&P MidCap 400 ETF Trust's latest SEC N-PORT filing.

MDY Prospectus and SEC Filings

Official SPDR S&P MidCap 400 ETF Trust filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.

Related Funds

Other United States Mid Cap Equity funds tracked on ABC INVEST:

Data Sources

ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.