ITOT vs MDYG: holdings overlap, shared companies and scores
As of October 28, 2026, ITOT and MDYG overlap 3.0% by weight. iShares Core S&P Total U.S. Stock Market ETF (ITOT): U.S. total market equities. State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG): U.S. mid-cap growth stocks.
Updated October 28, 2026
Where ITOT and MDYG trade against their own history
ITOT trades at 24.3 times earnings, against its own median of 22.3, and is more expensive than 63% of its own last 9 years.
MDYG trades at 25.2 times earnings, against its own median of 23.4, and is more expensive than 65% of its own last 9 years.
What moved MDYG this week
MDYG fell 0.8% in the week to October 28, 2026. The holdings that moved it most were Carpenter Technology (−23.9%), Corcept Therapeutics (−25.8%) and ATI (−8.5%); Okta (+6.7%) pushed the other way.
What do ITOT and MDYG each hold?
What's inside ITOT: Tech 41%, Magnificent 7 30%.
34% of ITOT is its ten largest holdings.
What's inside MDYG: Tech 22%, Semiconductors 5%.
14% of MDYG is its ten largest holdings.
How much do ITOT and MDYG overlap? 3.0% by weight
As of October 28, 2026, ITOT and MDYG overlap 3.0% by weight.
3% of ITOT is already inside MDYG.
100% of MDYG is already inside ITOT.
ITOT holds 2,421 companies and MDYG holds 247; 247 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 ITOT and MDYG? 6.7 and 4.6 out of 10
As of October 28, 2026, ETF Copilot scores ITOT 6.7 out of 10 and MDYG 4.6 out of 10.
They differ most on Quality: ITOT 7.7 and MDYG 4.0.
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 | ITOT | MDYG |
|---|---|---|
| Growth | 7.3 | 6.8 |
| Value | 3.5 | 3.3 |
| Risk | 6.4 | 3.8 |
| Quality | 7.7 | 4.0 |
| Return | 7.6 | 4.2 |
ITOT is the cheaper of the two at 0.03% a year
As of October 28, 2026, ITOT charges 0.03% a year, yields 1.00% and holds $97.1B in assets across 2421 positions.
As of October 28, 2026, MDYG charges 0.15% a year, yields 0.68% and holds $2.8B in assets across 247 positions.
| Measure | ITOT | MDYG |
|---|---|---|
| Expense ratio | 0.03% | 0.15% |
| Dividend yield | 1.00% | 0.68% |
| Assets under management | $97.1B | $2.8B |
| Holdings | 2421 | 247 |
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.
Compare with similar funds
Cite this
ETF Copilot, “ITOT vs MDYG holdings overlap and scores”, as of October 28, 2026.
https://etf-copilot.com/compare/itot-vs-mdyg
- iShares Core S&P Total U.S. Stock Market ETF (ITOT)
- State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG)
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