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MDYvsSPMDETF Comparison

ETF 1
MDY

State Street SPDR S&P MIDCAP 400 ETF Trust

This fund is part of
US Mid Cap
+0.7%
VS
ETF 2
SPMD

State Street SPDR Portfolio S&P 400 Mid Cap ETF

This fund is part of
US Mid Cap
+0.7%

The ETFs State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) and State Street SPDR Portfolio S&P 400 Mid Cap ETF (SPMD) track the S&P MidCap 400 Total Return Index - USD and belong to the same industry segment: US Mid Cap. Both ETFs have the same top 3 sector exposures: Industrials, Information Technology and Financials. MDY is more expensive with a Total Expense Ratio (TER) of 0.23%, versus 0.03% for SPMD. MDY is up 13.34% year-to-date (YTD) with -$542M in YTD flows. SPMD performs better with 13.53% YTD performance, and +$612M in YTD flows. Run a side-by-side ETF comparison of MDY and SPMD below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.

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MDY vs SPMD performance and flow charts

Performance

-3.0-2.0-1.00.01.02.0%May 11May 18May 25Jun 1Jun 8

Cumulative Flows

-300 M-200 M-100 M0 M100 MMay 11May 18May 25Jun 1Jun 8

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Historic performance and flows
Data as of 06/09/2026
1M3MYTD1Y3Y5Y
Perf.
MDY
SPMD
+1.30%+1.32%
+8.65%+8.76%
+13.34%+13.53%
+23.31%+23.71%
+52.18%+53.49%
+45.52%+47.31%
Flows
MDY
SPMD
-$11M+$95M
+$288M+$296M
-$542M+$612M
-$448M+$1.78B
-$605M+$6.66B
-$2.06B+$8.74B
Volatility and drawdown
3M1Y3Y5Y
Volatility
MDY
SPMD
+17.52%+17.07%
+15.67%+15.54%
+17.84%+17.83%
+19.87%+19.64%
Max drawdown
MDY
SPMD
-4.53%-4.55%
-8.78%-8.82%
-23.91%-23.98%
-23.91%-23.98%
Max drawdown duration
MDY
SPMD
29d29d
53d53d
379d379d
379d379d
Trading data

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MDY
SPMD
Last sale
6/10/2026 at 1:30 PM
$671.84
$64.57
Previous close
06/09/2026
$681.68
$65.52
Consolidated volume
06/09/2026
Average volume
30 days
Average discount or premium
30 days
Average Bid/Ask spread
30 days
Replication quality
Data as of May 29, 2026
1-year trailing difference

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MDY
SPMD
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst
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Main metrics
Last update 6/10/2026 at 1:30 PM
Live
Closed
MDY
SPMD
Last price
$671.84
$64.57
1D performance
-1.44%
-1.45%
AuM$26.74 B$17.64 B
E/R0.23%0.03%
Characteristics
MDY
SPMD
Management strategyPassivePassive
ProviderState Street Investment ManagementState Street Investment Management
BenchmarkS&P MidCap 400 IndexS&P MidCap 400 Index
N° of holdings381381
Asset classEquitiesEquities
Trailing 12m distribution yield
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Inception dateMay 4, 1995November 8, 2005
ESGNoNo
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Exposure

Countries

MDY
USA
92.53%
Other
7.47%
SPMD
USA
93.04%
Other
6.96%

Sectors

MDY
Industrials
22.12%
Information Techn.
14.67%
Financials
13.09%
Consumer Discreti.
10.5%
Health Care
8.3%
Other
31.31%
SPMD
Industrials
22.25%
Information Techn.
14.75%
Financials
13.17%
Consumer Discreti.
10.55%
Health Care
8.35%
Other
30.93%
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Diversification

MDY

Total weight of top 15 holdings out of 15

10.57%
SPMD

Total weight of top 15 holdings out of 15

10.63%

Top 15 holdings

Data as of April 30, 2026
MDY
FLEX LTD
0.98%
TECHNIPFMC PLC
0.89%
CURTISS WRIGHT
0.77%
XPO LOGISTICS
0.75%
UTD THERAPEUT
0.71%
FABRINET
0.71%
MICHAEL STORES
0.70%
NVENT ELECTRIC PLC
0.67%
TWILIO
0.65%
PURE STORAGE
0.65%
WOODWARD
0.63%
ENTEGRIS
0.62%
CARPENTER TECHNOLOGY
0.62%
ATI INC
0.61%
US FOODS HOLDING CORP
0.60%
SPMD
FLEX LTD
0.98%
TECHNIPFMC PLC
0.89%
CURTISS WRIGHT
0.78%
XPO LOGISTICS
0.75%
UTD THERAPEUT
0.72%
FABRINET
0.72%
MICHAEL STORES
0.71%
NVENT ELECTRIC PLC
0.67%
TWILIO
0.66%
PURE STORAGE
0.65%
WOODWARD
0.63%
ENTEGRIS
0.63%
CARPENTER TECHNOLOGY
0.62%
ATI INC
0.62%
US FOODS HOLDING CORP
0.60%
Frequently asked questions about MDY and SPMD

How have the MDY and SPMD ETFs performed in 2026?

As of June 9, 2026, MDY is up 13.34% year-to-date (YTD), while SPMD has returned 13.53%. That puts SPMD better performer ahead so far this year.

Which ETF is attracting more investor money: MDY or SPMD?

Year-to-date, the MDY ETF saw -$542M in flows, compared to +$612M for SPMD.

Which ETF is more volatile: MDY or SPMD?

Over the past year, MDY had a volatility of 15.67%, while SPMD experienced 15.54%.

Which ETF is bigger: MDY or SPMD?

As of June 9, 2026, MDY holds $26.74 B in assets under management (AUM), while SPMD manages $17.64 B.

What sectors do the MDY and SPMD ETFs invest in?

MDY leans toward sectors like Industrials, Information Technology and Financials. Meanwhile, SPMD focuses on Industrials, Information Technology and Financials.

What are the top holdings of the MDY ETF and SPMD ETF?

MDY top holdings include FLEX LTD, TECHNIPFMC PLC and CURTISS WRIGHT. SPMD holds in its top three: FLEX LTD, TECHNIPFMC PLC and CURTISS WRIGHT.

Which ETF is more diversified: MDY or SPMD?

MDY holds 400 securities with 10.57% of its assets in the top 15. SPMD has 400 securities and a top 15 weight of 10.63%.

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