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SPMDvsMDYETF Comparison

ETF 1
SPMD

State Street SPDR Portfolio S&P 400 Mid Cap ETF

This fund is part of
US Mid Cap
+0.06%
VS
ETF 2
MDY

State Street SPDR S&P MIDCAP 400 ETF Trust

This fund is part of
US Mid Cap
+0.06%

The ETFs State Street SPDR Portfolio S&P 400 Mid Cap ETF (SPMD) and State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) 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. SPMD is less expensive with a Total Expense Ratio (TER) of 0.03%, versus 0.23% for MDY. SPMD is up 10.58% year-to-date (YTD) with +$468M in YTD flows. MDY performs worse with 10.24% YTD performance, and -$549M in YTD flows. Run a side-by-side ETF comparison of SPMD and MDY 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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SPMD vs MDY performance and flow charts

Performance

-20246810%Mar 23Mar 30Apr 7Apr 14Apr 21

Cumulative Flows

-100 M-50 M0 M50 M100 MMar 23Mar 30Apr 7Apr 14Apr 21

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Historic performance and flows
Data as of 04/24/2026
1M3MYTD1Y3Y5Y
Perf.
SPMD
MDY
+7.69%+8.22%
+4.89%+3.47%
+10.58%+10.24%
+29.87%+33.55%
+52.45%+50.86%
+42.37%+43.40%
Flows
SPMD
MDY
+$100M+$17M
+$255M-$186M
+$468M-$549M
+$1.80B-$1.13B
+$6.76B-$931M
+$8.61B-$2.08B
Volatility and drawdown
3M1Y3Y5Y
Volatility
SPMD
MDY
+17.96%+17.97%
+15.83%+15.96%
+18.00%+18.00%
+19.64%+19.86%
Max drawdown
SPMD
MDY
-8.82%-8.78%
-8.82%-8.78%
-23.98%-23.91%
-23.98%-23.91%
Max drawdown duration
SPMD
MDY
53d53d
53d53d
379d379d
379d379d
Trading data

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SPMD
MDY
Last sale
4/24/2026 at 1:30 PM
$63.83
$664.47
Previous close
04/23/2026
$63.69
$663.01
Consolidated volume
04/23/2026
Average volume
30 days
Average discount or premium
30 days
Average Bid/Ask spread
30 days
Replication quality
Data as of March 31, 2026
1-year trailing difference

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SPMD
MDY
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst
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Main metrics
Last update 4/24/2026 at 1:30 PM
Live
Closed
SPMD
MDY
Last price
$63.83
$664.47
1D performance
+0.22%
+0.22%
AuM$17.04 B$26.01 B
E/R0.03%0.23%
Characteristics
SPMD
MDY
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 dateNovember 8, 2005May 4, 1995
ESGNoNo
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Exposure

Countries

SPMD
USA
92.97%
Other
7.03%
MDY
USA
92.34%
Other
7.66%

Sectors

SPMD
Industrials
21.7%
Information Techn.
13.18%
Financials
13.09%
Consumer Discreti.
10.66%
Health Care
8.91%
Other
32.47%
MDY
Industrials
21.55%
Information Techn.
13.08%
Financials
13%
Consumer Discreti.
10.58%
Health Care
8.85%
Other
32.94%
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Diversification

SPMD

Total weight of top 15 holdings out of 15

10.39%
MDY

Total weight of top 15 holdings out of 15

10.32%

Top 15 holdings

Data as of March 31, 2026
SPMD
TECHNIPFMC PLC
0.87%
CASEYS GENERAL STORES
0.84%
UTD THERAPEUT
0.80%
CURTISS WRIGHT
0.79%
FLEX LTD
0.75%
XPO LOGISTICS
0.71%
WOODWARD
0.67%
ROYAL GOLD
0.64%
US FOODS HOLDING CORP
0.64%
BURLINGTON STORES
0.63%
ATI INC
0.62%
MICHAEL STORES
0.62%
CARPENTER TECHNOLOGY
0.61%
NVENT ELECTRIC PLC
0.60%
TWILIO
0.60%
MDY
TECHNIPFMC PLC
0.87%
CASEYS GENERAL STORES
0.84%
UTD THERAPEUT
0.79%
CURTISS WRIGHT
0.78%
FLEX LTD
0.75%
XPO LOGISTICS
0.71%
WOODWARD
0.66%
ROYAL GOLD
0.64%
US FOODS HOLDING CORP
0.63%
BURLINGTON STORES
0.63%
ATI INC
0.61%
MICHAEL STORES
0.61%
CARPENTER TECHNOLOGY
0.61%
NVENT ELECTRIC PLC
0.59%
TWILIO
0.59%
Frequently asked questions about SPMD and MDY

How have the SPMD and MDY ETFs performed in 2026?

As of April 24, 2026, SPMD is up 10.58% year-to-date (YTD), while MDY has returned 10.24%. That puts SPMD better performer ahead so far this year.

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

Year-to-date, the SPMD ETF saw +$468M in flows, compared to -$549M for MDY.

Which ETF is more volatile: SPMD or MDY?

Over the past year, SPMD had a volatility of 15.83%, while MDY experienced 15.96%.

Which ETF is bigger: SPMD or MDY?

As of April 24, 2026, SPMD holds $17.04 B in assets under management (AUM), while MDY manages $26.01 B.

What sectors do the SPMD and MDY ETFs invest in?

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

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

SPMD top holdings include TECHNIPFMC PLC, CASEYS GENERAL STORES and UTD THERAPEUT. MDY holds in its top three: TECHNIPFMC PLC, CASEYS GENERAL STORES and UTD THERAPEUT.

Which ETF is more diversified: SPMD or MDY?

SPMD holds 399 securities with 10.39% of its assets in the top 15. MDY has 399 securities and a top 15 weight of 10.32%.

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