IJK vs MDYG: holdings overlap, shared companies and scores
As of September 11, 2026, IJK and MDYG overlap 99.6% by weight. iShares S&P Mid-Cap 400 Growth ETF (IJK): U.S. mid-cap growth stocks. State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG): U.S. mid-cap growth stocks.
Updated September 11, 2026
How much do IJK and MDYG overlap?
As of September 11, 2026, IJK and MDYG overlap 99.6% by weight.
100% of IJK is already inside MDYG.
100% of MDYG is already inside IJK.
IJK holds 250 companies and MDYG holds 246; 246 are in both.
Computed by ETF Copilot from both funds' holdings rather than quoted from a data provider, and rebuilt nightly.
How does ETF Copilot score IJK and MDYG?
As of September 11, 2026, ETF Copilot scores IJK 4.7 out of 10 and MDYG 4.7 out of 10.
They differ most on Return: IJK 4.1 and MDYG 4.2.
The five factor scores behind them are set out below, 0–10 and higher is better, ranked against every US equity ETF we track.
| Factor | IJK | MDYG |
|---|---|---|
| Growth | 7.3 | 7.3 |
| Valuation | 4.5 | 4.5 |
| Risk | 3.3 | 3.2 |
| Quality | 3.5 | 3.4 |
| Return | 4.1 | 4.2 |
MDYG is the cheaper of the two at 0.15% a year
As of September 11, 2026, IJK charges 0.16% a year, yields 0.67% and holds $10.7B in assets across 250 positions.
As of September 11, 2026, MDYG charges 0.15% a year, yields 0.68% and holds $2.9B in assets across 246 positions.
| Measure | IJK | MDYG |
|---|---|---|
| Expense ratio | 0.16% | 0.15% |
| Dividend yield | 0.67% | 0.68% |
| Assets under management | $10.7B | $2.9B |
| Holdings | 250 | 246 |
Expense ratio, dividend yield and assets under management are reported by the fund and refreshed daily. Every other figure on this page is computed by ETF Copilot.
Where IJK and MDYG trade against their own history
IJK trades at 25.4 times earnings, against its own median of 23.0, and is more expensive than 68% of its own 114 monthly readings since 2017.
MDYG trades at 25.4 times earnings, against its own median of 23.0, and is more expensive than 69% of its own 114 monthly readings since 2017.
What moved IJK and MDYG this week
IJK fell 1.6% in the week to September 11, 2026. The holdings that moved it most were Guidewire Software (−30.5%), Twilio (−5.5%) and Technipfmc (−4.7%); Semtech (+23.5%) pushed the other way.
MDYG fell 1.6% in the week to September 11, 2026. The holdings that moved it most were Guidewire Software (−30.5%), Twilio (−5.5%) and Technipfmc (−4.7%); Semtech (+23.5%) pushed the other way.
What do IJK and MDYG each hold?
What's inside IJK: Tech 22%, Semiconductors 5%.
15% of IJK is its ten largest holdings.
What's inside MDYG: Tech 22%, Semiconductors 5%.
15% of MDYG is its ten largest holdings.
Cite this
ETF Copilot, “IJK vs MDYG holdings overlap and scores”, as of September 11, 2026.
https://etf-copilot.com/compare/ijk-vs-mdyg
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