ITOT vs TMAT: holdings overlap, shared companies and scores
As of October 9, 2026, ITOT and TMAT overlap 7.7% by weight. iShares Core S&P Total U.S. Stock Market ETF (ITOT): U.S. total market equities. Main Thematic Innovation ETF (TMAT): High-growth themes, dynamically rotated.
Updated October 9, 2026
Where ITOT and TMAT trade against their own history
ITOT trades at 24.2 times earnings, against its own median of 22.3, and is more expensive than 63% of its own 115 monthly readings since 2017.
TMAT trades at 33.4 times earnings, against its own median of 34.8, and is cheaper than 70% of its own 27 monthly readings since 2024.
What moved ITOT this week
ITOT rose 1.0% in the week to October 9, 2026. The holdings that moved it most were Microsoft (+3.4%), Amazon.com (+4.3%) and Alphabet (+2.4%); Nvidia (−2.0%) pushed the other way.
What do ITOT and TMAT each hold?
What's inside ITOT: Tech 43%, Magnificent 7 31%.
35% of ITOT is its ten largest holdings.
What's inside TMAT: Tech 55%, Semiconductors 15%.
30% of TMAT is its ten largest holdings.
How much do ITOT and TMAT overlap? 7.7% by weight
As of October 9, 2026, ITOT and TMAT overlap 7.7% by weight.
8% of ITOT is already inside TMAT.
93% of TMAT is already inside ITOT.
ITOT holds 2,425 companies and TMAT holds 85; 77 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 TMAT? 6.6 and 5.2 out of 10
As of October 9, 2026, ETF Copilot scores ITOT 6.6 out of 10 and TMAT 5.2 out of 10.
They differ most on Risk: ITOT 6.3 and TMAT 0.8.
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 | TMAT |
|---|---|---|
| Growth | 7.2 | 9.0 |
| Value | 3.0 | 6.4 |
| Risk | 6.3 | 0.8 |
| Quality | 7.7 | 2.8 |
| Return | 7.7 | 4.9 |
ITOT is the cheaper of the two at 0.03% a year
As of October 9, 2026, ITOT charges 0.03% a year, yields 0.99% and holds $97.8B in assets across 2425 positions.
As of October 9, 2026, TMAT charges 0.79% a year and holds $261M in assets across 85 positions.
| Measure | ITOT | TMAT |
|---|---|---|
| Expense ratio | 0.03% | 0.79% |
| Dividend yield | 0.99% | — |
| Assets under management | $97.8B | $261M |
| Holdings | 2425 | 85 |
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 TMAT holdings overlap and scores”, as of October 9, 2026.
https://etf-copilot.com/compare/itot-vs-tmat
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