ITOT vs IYY: holdings overlap, shared companies and scores
As of October 28, 2026, ITOT and IYY overlap 95.5% by weight. iShares Core S&P Total U.S. Stock Market ETF (ITOT): U.S. total market equities. iShares Dow Jones U.S. ETF (IYY): U.S. large- and mid-cap stocks.
Updated October 28, 2026
Where ITOT and IYY 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.
IYY trades at 24.5 times earnings, against its own median of 22.4, and is more expensive than 63% of its own last 9 years.
What do ITOT and IYY each hold?
What's inside ITOT: Tech 41%, Magnificent 7 30%.
34% of ITOT is its ten largest holdings.
What's inside IYY: Tech 43%, Magnificent 7 32%.
35% of IYY is its ten largest holdings.
How much do ITOT and IYY overlap? 95.5% by weight
As of October 28, 2026, ITOT and IYY overlap 95.5% by weight.
96% of ITOT is already inside IYY.
100% of IYY is already inside ITOT.
ITOT holds 2,421 companies and IYY holds 943; 935 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 IYY? 6.7 and 6.8 out of 10
As of October 28, 2026, ETF Copilot scores ITOT 6.7 out of 10 and IYY 6.8 out of 10.
They differ most on Quality: ITOT 7.7 and IYY 8.1.
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 | IYY |
|---|---|---|
| Growth | 7.3 | 7.6 |
| Value | 3.5 | 3.4 |
| Risk | 6.4 | 6.5 |
| Quality | 7.7 | 8.1 |
| Return | 7.6 | 7.6 |
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, IYY charges 0.20% a year, yields 0.86% and holds $3.0B in assets across 943 positions.
| Measure | ITOT | IYY |
|---|---|---|
| Expense ratio | 0.03% | 0.20% |
| Dividend yield | 1.00% | 0.86% |
| Assets under management | $97.1B | $3.0B |
| Holdings | 2421 | 943 |
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 IYY holdings overlap and scores”, as of October 28, 2026.
https://etf-copilot.com/compare/itot-vs-iyy
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