ITOT vs MFUS: holdings overlap, shared companies and scores
As of October 9, 2026, ITOT and MFUS overlap 46.4% by weight. iShares Core S&P Total U.S. Stock Market ETF (ITOT): U.S. total market equities. PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF (MFUS): US multi-factor equities.
Updated October 9, 2026
Where ITOT and MFUS 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 last 9 years.
MFUS trades at 20.0 times earnings, against its own median of 19.6, and is more expensive than 57% of its own last 9 years.
What moved ITOT and MFUS 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.
MFUS rose 0.6% in the week to October 9, 2026. The holdings that moved it most were Walmart (+6.8%), Valero Energy (+6.8%) and Abbvie (+5.2%); Intel (−12.3%) pushed the other way.
What do ITOT and MFUS each hold?
What's inside ITOT: Tech 43%, Magnificent 7 31%.
35% of ITOT is its ten largest holdings.
What's inside MFUS: Tech 23%, Semiconductors 9%.
16% of MFUS is its ten largest holdings.
How much do ITOT and MFUS overlap? 46.4% by weight
As of October 9, 2026, ITOT and MFUS overlap 46.4% by weight.
66% of ITOT is already inside MFUS.
100% of MFUS is already inside ITOT.
ITOT holds 2,425 companies and MFUS holds 919; 910 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 MFUS? 6.6 and 6.0 out of 10
As of October 9, 2026, ETF Copilot scores ITOT 6.6 out of 10 and MFUS 6.0 out of 10.
They differ most on Growth: ITOT 7.2 and MFUS 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 | ITOT | MFUS |
|---|---|---|
| Growth | 7.2 | 4.2 |
| Value | 3.0 | 5.6 |
| Risk | 6.3 | 8.9 |
| Quality | 7.7 | 4.8 |
| Return | 7.7 | 7.1 |
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, MFUS charges 0.30% a year, yields 1.43% and holds $302M in assets across 919 positions.
| Measure | ITOT | MFUS |
|---|---|---|
| Expense ratio | 0.03% | 0.30% |
| Dividend yield | 0.99% | 1.43% |
| Assets under management | $97.8B | $302M |
| Holdings | 2425 | 919 |
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 MFUS holdings overlap and scores”, as of October 9, 2026.
https://etf-copilot.com/compare/itot-vs-mfus
- iShares Core S&P Total U.S. Stock Market ETF (ITOT)
- PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF (MFUS)
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