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IJKvsMDYETF Comparison

ETF 1
IJK

iShares S&P Mid-Cap 400 Growth ETF

This fund is part of
US Mid Cap Growth
-2.71%
VS
ETF 2
MDY

State Street SPDR S&P MIDCAP 400 ETF Trust

This fund is part of
US Mid Cap
-1.18%

iShares S&P Mid-Cap 400 Growth ETF (IJK) belongs to the US Mid Cap Growth segment. State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) is part of the US Mid Cap segment. IJK's top 3 sector exposures are Technology, Industrials and Healthcare. In contrast, MDY's top sector exposures are Finance, Industrials and Technology. IJK is less expensive with a Total Expense Ratio (TER) of 0.16%, versus 0.23% for MDY. IJK is up 11.82% year-to-date (YTD) with +$171M in YTD flows. MDY performs worse with 11.68% YTD performance, and -$989M in YTD flows. Run a side-by-side ETF comparison of IJK 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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IJK vs MDY performance and flow charts

Performance

-3.0-2.0-1.00.01.02.03.0%Sep 30Oct 7Oct 14Oct 21Oct 28

Cumulative Flows

-100 M-50 M0 M50 M100 M150 M200 M250 MSep 30Oct 7Oct 14Oct 21Oct 28

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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 10/30/2026
1M3MYTD1Y3Y5Y
Perf.
IJK
MDY
-1.52%+1.87%
-3.41%-2.43%
+11.82%+11.68%
+13.68%+14.68%
+61.84%+61.64%
+29.94%+36.85%
Flows
IJK
MDY
+$245M+$18M
+$41M+$78M
+$171M-$989M
+$134M-$573M
-$543M-$969M
-$403M-$1.50B
Volatility and drawdown
3M1Y3Y5Y
Volatility
IJK
MDY
+15.18%+11.96%
+17.73%+14.90%
+18.91%+17.56%
+20.78%+19.62%
Max drawdown
IJK
MDY
-10.15%-8.21%
-10.15%-8.78%
-25.48%-23.91%
-29.27%-23.91%
Max drawdown duration
IJK
MDY
74d75d
74d53d
379d379d
834d379d
Trading data

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IJK
MDY
Last sale
11/2/2026 at 7:26 PM
$108.50
$675.15
Previous close
10/30/2026
$107.94
$668.88
Consolidated volume
10/30/2026
Average volume
30 days
Average discount or premium
30 days
Average Bid/Ask spread
30 days
Replication quality
Data as of October 30, 2026
1-year trailing difference

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IJK
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 11/2/2026 at 7:26 PM
Live
Closed
IJK
MDY
Last price
$108.50
$675.15
1D performance
+0.52%
+0.94%
AuM$10.37 B$25.79 B
E/R0.16%0.23%
Characteristics
IJK
MDY
Management strategyPassivePassive
ProvideriSharesState Street Investment Management
BenchmarkS&P MidCap 400 Growth IndexS&P MidCap 400 Index
N° of holdings248400
Asset classEquitiesEquities
Trailing 12m distribution yield
Join
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Inception dateJuly 24, 2000May 4, 1995
ESGNoNo
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Exposure

Countries

IJK
USA
94.71%
Other
5.29%
MDY
USA
95.38%
Other
4.62%

Sectors

IJK
Technology
21.77%
Industrials
19.09%
Healthcare
15.65%
Finance
14.46%
Non-Energy Materi.
9.29%
Other
19.74%
MDY
Finance
22.28%
Industrials
16.35%
Technology
15.65%
Non-Energy Materi.
10.03%
Healthcare
9.99%
Other
25.69%
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Diversification

IJK

Total weight of top 15 holdings out of 15

20.18%
MDY

Total weight of top 15 holdings out of 15

10.72%

Top 15 holdings

Data as of September 30, 2026
IJK
Twilio, Inc.
2.52%
Okta, Inc.
1.95%
TechnipFMC plc
1.50%
nVent Electric Plc
1.46%
ATI, Inc.
1.45%
United Therapeutics Corp.
1.31%
XPO, Inc.
1.16%
Tenet Healthcare Corp.
1.16%
Roku, Inc.
1.13%
Curtiss-Wright Corp.
1.13%
Royal Gold, Inc.
1.12%
MACOM Technology Solutions Holdings, Inc.
1.11%
Woodward, Inc.
1.09%
Carpenter Technology Corp.
1.08%
Coeur Mining, Inc.
1.02%
MDY
Twilio, Inc.
1.31%
Okta, Inc.
1.02%
TechnipFMC plc
0.78%
nVent Electric Plc
0.76%
ATI, Inc.
0.75%
Entegris, Inc.
0.69%
United Therapeutics Corp.
0.68%
XPO, Inc.
0.60%
Tenet Healthcare Corp.
0.60%
TD SYNNEX Corp.
0.60%
Roku, Inc.
0.59%
Curtiss-Wright Corp.
0.59%
Royal Gold, Inc.
0.58%
US Foods Holding Corp.
0.58%
Roivant Sciences Ltd.
0.58%
Frequently asked questions about IJK and MDY

How have the IJK and MDY ETFs performed in 2026?

As of October 30, 2026, IJK is up 11.82% year-to-date (YTD), while MDY has returned 11.68%. That puts IJK better performer ahead so far this year.

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

Year-to-date, the IJK ETF saw +$171M in flows, compared to -$989M for MDY.

Which ETF is more volatile: IJK or MDY?

Over the past year, IJK had a volatility of 17.73%, while MDY experienced 14.9%.

Which ETF is bigger: IJK or MDY?

As of October 30, 2026, IJK holds $10.37 B in assets under management (AUM), while MDY manages $25.79 B.

What sectors do the IJK and MDY ETFs invest in?

IJK leans toward sectors like Technology, Industrials and Healthcare. Meanwhile, MDY focuses on Finance, Industrials and Technology.

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

IJK top holdings include Twilio, Inc., Okta, Inc. and TechnipFMC plc. MDY holds in its top three: Twilio, Inc., Okta, Inc. and TechnipFMC plc.

Which ETF is more diversified: IJK or MDY?

IJK holds 248 securities with 20.18% of its assets in the top 15. MDY has 400 securities and a top 15 weight of 10.72%.

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