IJH vs MDYG: holdings overlap, shared companies and scores
As of September 11, 2026, IJH and MDYG overlap 65.3% by weight. iShares Core S&P Mid-Cap ETF (IJH): U.S. mid-cap equities. State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG): U.S. mid-cap growth stocks.
Updated September 11, 2026
How much do IJH and MDYG overlap?
As of September 11, 2026, IJH and MDYG overlap 65.3% by weight.
67% of IJH is already inside MDYG.
100% of MDYG is already inside IJH.
IJH holds 405 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 IJH and MDYG?
As of September 11, 2026, ETF Copilot scores IJH 4.4 out of 10 and MDYG 4.7 out of 10.
They differ most on Quality: IJH 1.9 and MDYG 3.4.
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 | IJH | MDYG |
|---|---|---|
| Growth | 6.1 | 7.3 |
| Valuation | 5.3 | 4.5 |
| Risk | 3.6 | 3.2 |
| Quality | 1.9 | 3.4 |
| Return | 4.3 | 4.2 |
IJH is the cheaper of the two at 0.05% a year
As of September 11, 2026, IJH charges 0.05% a year, yields 1.27% and holds $126.0B in assets across 405 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 | IJH | MDYG |
|---|---|---|
| Expense ratio | 0.05% | 0.15% |
| Dividend yield | 1.27% | 0.68% |
| Assets under management | $126.0B | $2.9B |
| Holdings | 405 | 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 IJH and MDYG trade against their own history
IJH trades at 20.2 times earnings, against its own median of 18.6, and is more expensive than 69% 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 IJH and MDYG this week
IJH fell 1.7% in the week to September 11, 2026. The holdings that moved it most were Guidewire Software (−30.5%), Illumina (−6.9%) and Twilio (−5.5%); 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 IJH and MDYG each hold?
What's inside IJH: Tech 16%, Semiconductors 4%.
8% of IJH is its ten largest holdings.
What's inside MDYG: Tech 22%, Semiconductors 5%.
15% of MDYG is its ten largest holdings.
Compare with similar funds
Cite this
ETF Copilot, “IJH vs MDYG holdings overlap and scores”, as of September 11, 2026.
https://etf-copilot.com/compare/ijh-vs-mdyg
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