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State Street Investment ManagementMid-Cap GrowthMDYG · NYSE Arca

State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG)

Price
$102.87
—30 Oct 2026
Assets
$2.8B
Total net assets
Expense ratio
0.15%
Category 1.05%
Yield
0.67%
Trailing distributions
3Y CAGR
17.4%-3.6%
Category 21.0%
5Y CAGR
5.8%+3.4%
Category 2.3%
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State Street SPDR S&P 400 Mid Cap Growth ETF

Calendar-year returns

Fund only: no comparison series covers this fund's history.

Risk statistics

Five years of daily closes. Risk-free rate 4% a year.

Standard deviation
—
Maximum drawdown
—
Sharpe ratio
—
Sortino ratio
—
Beta
—
Alpha
—
R²
—
Information ratio
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Upside capture
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Downside capture
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Tracking error
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Trailing returns compared with benchmark
Period1M3M6MYTD1Y3YCAGR5YCAGR10YCAGRLaunchCAGR
ETF-1.6%-3.5%-0.8%+11.8%+13.5%+17.4%+5.8%+11.0%+9.9%
Mid-Cap Growth average-3.0%-2.5%-1.2%6.1%4.1%21.0%2.3%12.7%6.8%
Difference+1.5%-1.0%+0.4%+5.8%+9.5%-3.6%+3.4%-1.7%+3.1%

Holdings

The 10 largest positions make up 14.8% of the fund.

Top holdings

Largest holdings by weight
TickerHoldingWeight
TWLOTwilio Inc Class A2.52%
OKTAOkta Inc Class A1.95%
FTITechnipFMC PLC1.50%
NVTnVent Electric PLC1.46%
ATIATI Inc1.45%
UTHRUnited Therapeutics Corp1.31%
XPOXPO Inc1.16%
THCTenet Healthcare Corp1.16%
ROKURoku Inc Class A1.13%
CWCurtiss-Wright Corp1.13%

Portfolio valuation

Weighted averages of what the fund holds.

P/E
24.3
P/B
4.2
P/S
3.0
P/CF
17.1

Sector allocation

Share of the equity the fund holds.

11sectors
  1. Industrials26.1%
  2. Technology24.7%
  3. Health care16.0%
  4. Consumer discretionary7.3%
  5. Financial services6.9%
  6. Real estate5.9%
  7. Materials4.4%
  8. Energy3.1%
  9. Communication services2.3%
  10. Consumer staples1.8%
  11. Utilities1.7%

Asset mix

  • Stocks99.9%
  • Cash0.1%

ETF details

Issuer
State Street Investment Management
Category
Equity · Mid-Cap Growth
Ticker
MDYG
Exchange
NYSE Arca
Inception
8 Nov 2005 (21.0 years)
Structure
Exchange Traded Fund
Expense ratio
0.15% (category 1.05%)
Holdings turnover
53% (category 91%)
Distribution yield
0.67%
Beta, 3 years
1.06
Total net assets
$2.8B

Prices and returns as of 30 Oct 2026; total return with distributions reinvested, before brokerage and taxes. Not investment advice.

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