ITOTvsIYYETF Comparison
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iShares Core S&P Total U.S. Stock Market ETF (ITOT) and iShares Dow Jones U.S. ETF (IYY) belong to the same industry segment: US All Cap. Both ETFs have the same top 3 sector exposures: Technology, Finance and Healthcare. ITOT is less expensive with a Total Expense Ratio (TER) of 0.03%, versus 0.2% for IYY. ITOT is up 14.46% year-to-date (YTD) with +$5.74B in YTD flows. IYY performs worse with 14.24% YTD performance, and -$23M in YTD flows. Run a side-by-side ETF comparison of ITOT and IYY below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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ITOT vs IYY performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/22/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | ITOT IYY | +1.18%+1.33% | +3.65%+3.99% | +14.46%+14.24% | +16.91%+16.67% | +85.07%+85.00% | +80.06%+81.24% |
| Flows | ITOT IYY | -$366M- | +$948M-$9M | +$5.74B-$23M | +$6.39B-$15M | +$15.39B+$170M | +$19.12B+$139M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | ITOT IYY | +11.48%+11.40% | +13.38%+13.22% | +15.44%+15.30% | +17.55%+17.42% |
| Max drawdown | ITOT IYY | -3.40%-3.32% | -8.91%-8.91% | -19.43%-19.25% | -25.39%-25.44% |
| Max drawdown duration | ITOT IYY | 40d19d | 76d76d | 127d126d | 711d709d |
Trading data
ITOT | IYY | |
Last sale 9/22/2026 at 1:30 PM | $168.88 | $188.22 |
| Previous close 09/22/2026 | $168.81 | $188.07 |
| Consolidated volume 09/22/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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ITOT | IYY | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/22/2026 at 1:30 PM
Live
Closed
ITOT | IYY | |
|---|---|---|
| Last price | $168.88 | $188.22 |
| 1D performance | +0.04% | +0.08% |
| AuM | $97.34 B | $3.07 B |
| E/R | 0.03% | 0.2% |
Exposure
Countries
ITOT
USA
97.44%
Other
2.56%
IYY
USA
97.4%
Other
2.6%
Sectors
ITOT
Technology
41.62%
Finance
15%
Healthcare
9.6%
Industrials
8.6%
Consumer Non-Cycl.
8.42%
Other
16.75%
IYY
Technology
43.1%
Finance
14.57%
Healthcare
9.07%
Consumer Non-Cycl.
8.67%
Industrials
8.2%
Other
16.4%
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Diversification
ITOT
Total weight of top 15 holdings out of 15
38.63%
IYY
Total weight of top 15 holdings out of 15
40.61%
Top 15 holdings
Data as of July 31, 2026
ITOT
Apple, Inc.
6.78%
NVIDIA Corp.
6.54%
Microsoft Corp.
4.64%
Amazon.com, Inc.
3.19%
Alphabet, Inc.
2.71%
Broadcom Inc.
2.54%
Alphabet, Inc.
2.18%
Meta Platforms, Inc.
1.64%
Micron Technology, Inc.
1.36%
JPMorgan Chase & Co.
1.30%
Berkshire Hathaway, Inc.
1.30%
Eli Lilly & Co.
1.26%
Tesla, Inc.
1.20%
Advanced Micro Devices, Inc.
1.09%
ExxonMobil Holdings Corp.
0.90%
IYY
Apple, Inc.
7.12%
NVIDIA Corp.
6.87%
Microsoft Corp.
4.87%
Amazon.com, Inc.
3.35%
Alphabet, Inc.
2.85%
Broadcom Inc.
2.67%
Alphabet, Inc.
2.29%
Meta Platforms, Inc.
1.72%
Micron Technology, Inc.
1.43%
JPMorgan Chase & Co.
1.37%
Berkshire Hathaway, Inc.
1.36%
Eli Lilly & Co.
1.33%
Tesla, Inc.
1.26%
Advanced Micro Devices, Inc.
1.15%
ExxonMobil Holdings Corp.
0.95%
Frequently asked questions about ITOT and IYY
How have the ITOT and IYY ETFs performed in 2026?
As of September 22, 2026, ITOT is up 14.46% year-to-date (YTD), while IYY has returned 14.24%. That puts ITOT better performer ahead so far this year.
Which ETF is attracting more investor money: ITOT or IYY?
Year-to-date, the ITOT ETF saw +$5.74B in flows, compared to -$23M for IYY.
Which ETF is more volatile: ITOT or IYY?
Over the past year, ITOT had a volatility of 13.38%, while IYY experienced 13.22%.
Which ETF is bigger: ITOT or IYY?
As of September 22, 2026, ITOT holds $97.34 B in assets under management (AUM), while IYY manages $3.07 B.
What sectors do the ITOT and IYY ETFs invest in?
ITOT leans toward sectors like Technology, Finance and Healthcare. Meanwhile, IYY focuses on Technology, Finance and Healthcare.
What are the top holdings of the ITOT ETF and IYY ETF?
ITOT top holdings include Apple, Inc., NVIDIA Corp. and Microsoft Corp.. IYY holds in its top three: Apple, Inc., NVIDIA Corp. and Microsoft Corp..
Which ETF is more diversified: ITOT or IYY?
ITOT holds 2428 securities with 38.63% of its assets in the top 15. IYY has 966 securities and a top 15 weight of 40.61%.
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Latest news about ITOT & IYY
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