MDYGvsIJKETF Comparison
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The ETFs State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG) and iShares S&P Mid-Cap 400 Growth ETF (IJK) track the S&P MidCap 400 Growth Total Return Index - USD and belong to the same industry segment: US Mid Cap Growth. Both ETFs have the same top 3 sector exposures: Technology, Industrials and Healthcare. MDYG is less expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.16% for IJK. MDYG is up 12.35% year-to-date (YTD) with +$78M in YTD flows. IJK performs worse with 12.26% YTD performance, and +$144M in YTD flows. Run a side-by-side ETF comparison of MDYG and IJK 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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MDYG vs IJK performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 11/02/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MDYG IJK | -3.07%-3.07% | -4.20%-4.21% | +12.35%+12.26% | +13.65%+13.57% | +57.15%+57.03% | +30.71%+30.61% |
| Flows | MDYG IJK | +$42M+$229M | +$85M+$25M | +$78M+$144M | +$105M+$112M | +$64M-$570M | +$464M-$430M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MDYG IJK | +15.07%+15.08% | +17.67%+17.76% | +18.86%+18.90% | +20.76%+20.78% |
| Max drawdown | MDYG IJK | -10.14%-10.15% | -10.14%-10.15% | -25.46%-25.48% | -29.25%-29.27% |
| Max drawdown duration | MDYG IJK | 77d77d | 77d77d | 379d379d | 834d834d |
Trading data
MDYG | IJK | |
Last sale 11/3/2026 at 2:30 PM | $104.47 | $109.52 |
| Previous close 11/02/2026 | $103.30 | $108.29 |
| Consolidated volume 11/02/2026 | ||
| 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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MDYG | IJK | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 11/3/2026 at 2:30 PM
Live
Closed
MDYG | IJK | |
|---|---|---|
| Last price | $104.47 | $109.52 |
| 1D performance | +1.13% | +1.14% |
| AuM | $2.81 B | $10.38 B |
| E/R | 0.15% | 0.16% |
Characteristics
MDYG | IJK | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | State Street Investment Management | iShares |
| Benchmark | S&P MidCap 400 Growth Index | S&P MidCap 400 Growth Index |
| N° of holdings | 247 | 248 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | November 8, 2005 | July 24, 2000 |
| ESG | No | No |
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Exposure
Countries
MDYG
USA
94.63%
Other
5.37%
IJK
USA
94.71%
Other
5.29%
Sectors
MDYG
Technology
21.77%
Industrials
19.09%
Healthcare
15.65%
Finance
14.45%
Non-Energy Materi.
9.29%
Other
19.74%
IJK
Technology
21.77%
Industrials
19.09%
Healthcare
15.65%
Finance
14.46%
Non-Energy Materi.
9.29%
Other
19.74%
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Diversification
MDYG
Total weight of top 15 holdings out of 15
20.18%
IJK
Total weight of top 15 holdings out of 15
20.18%
Top 15 holdings
Data as of September 30, 2026
MDYG
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%
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%
Frequently asked questions about MDYG and IJK
How have the MDYG and IJK ETFs performed in 2026?
As of November 2, 2026, MDYG is up 12.35% year-to-date (YTD), while IJK has returned 12.26%. That puts MDYG better performer ahead so far this year.
Which ETF is attracting more investor money: MDYG or IJK?
Year-to-date, the MDYG ETF saw +$78M in flows, compared to +$144M for IJK.
Which ETF is more volatile: MDYG or IJK?
Over the past year, MDYG had a volatility of 17.67%, while IJK experienced 17.76%.
Which ETF is bigger: MDYG or IJK?
As of November 2, 2026, MDYG holds $2.81 B in assets under management (AUM), while IJK manages $10.38 B.
What sectors do the MDYG and IJK ETFs invest in?
MDYG leans toward sectors like Technology, Industrials and Healthcare. Meanwhile, IJK focuses on Technology, Industrials and Healthcare.
What are the top holdings of the MDYG ETF and IJK ETF?
MDYG top holdings include Twilio, Inc., Okta, Inc. and TechnipFMC plc. IJK holds in its top three: Twilio, Inc., Okta, Inc. and TechnipFMC plc.
Which ETF is more diversified: MDYG or IJK?
MDYG holds 247 securities with 20.18% of its assets in the top 15. IJK has 248 securities and a top 15 weight of 20.18%.
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