ITOT
ITOT
iShares Core S&P Total U.S. Stock Market ETF
VS
VTI
VTI
Vanguard Morningstar Total Stock Market ETF

ITOT vs VTI: Which Should You Buy?

Same 0.03% fee, about 95% the same holdings.

The verdict

For most investors it barely matters. ITOT and VTI have returned effectively the same amount per year and overlap about 95% by weight. Pick ITOT for the tighter 2,436-holding portfolio; pick VTI to own 3,598 instead. Both cost 0.03% per year.

This is purely for informational purposes, not investment advice. Always consult a professional before making investment decisions.

ITOT wins if...

You want the tighter portfolio: 2,436 holdings rather than 3,598.

VTI wins if...

You want maximum diversification: 3,598 holdings covering the broader market, tracking the CRSP US Total Market Index.

ITOT vs VTI, side by side

The numbers that actually differ are highlighted.

MetricITOTiShares Core S&P Total U.S. Stock Market ETFVTIVanguard Morningstar Total Stock Market ETF
Index trackedCRSP US Total Market Index
Number of holdings2,4363,598
Expense ratio0.03%0.03%
Dividend yield1.01%1.04%
AUM$95.94B$2.30T
Top 10 concentration34.1%33.5%
10-yr total return14.8%14.9%
5-yr total return12.4%12.3%
Beta (vs S&P 500)1.021.02
Max drawdown (10yr)-35.0%-35.0%
Market-cap coverageLarge + mid + smallLarge + mid + small
Inception20042001

means the figure is not reported for that fund.

The difference in one line

ITOT holds 2,436 positions. VTI holds 3,598, a broader slice of the same market.

How much do ITOT and VTI overlap?

The single most decision-relevant fact, and the one most comparisons skip.

95%overlap
Shared
95.0%
VTI-only
5.0%

~95% identical by weight

2,136 weighted positions appear in both funds, and by weight about 95% of the two portfolios is the same exposure. Where a stock sits in both, the shared share is whichever weight is smaller. That is the part of a dollar that behaves identically in either fund.

The difference is VTI's remaining 1,162 positions, which ITOT does not hold at all. They are smaller by weight, which is why the two track each other closely and drift apart only at the margins.

Growth of $10,000: ITOT vs VTI

Growth of $10,000

10 years

ITOT $41,994VTI $40,948
$10k$20k$30k$40kY2Y4Y6Y8Y10
Year 10ITOT: $41,994VTI: $40,948Spread: $1,046

Which should you choose?

ITITOTChoose if you want...
  • You want concentrated exposure: 2,436 holdings, not 3,598
VTIVTIChoose if you want...
  • You want the wider net: 3,598 holdings against 2,436
  • You want to track the CRSP US Total Market Index
  • You want the higher yield: 1.04% against 1.01%
  • You want the larger, more heavily traded fund ($2.3T)
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ITOT vs VTI frequently asked questions

For most investors the choice barely matters: ITOT and VTI have returned effectively the same amount per year and they overlap roughly 95% by weight. Both charge 0.03%, so cost is not the deciding factor.

ITOT holds 2,436 positions. VTI holds 3,598, a broader slice of the same market.

Yes, by about 95% by weight. 2,136 weighted positions appear in both funds. Because the largest positions dominate both portfolios, the two behave similarly day to day.

You can, but there is little reason to. At about 95% overlap, owning both mostly duplicates the same positions and adds little diversification.