Data as of Oct 28, 2026.

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ITOT vs IWB: Differences, Returns & Fees

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Over the year to Oct 28, 2026, ITOT returned +13.4% to IWB's +13.1%; 95% of their weight is in the same names.

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Net assets: $97.1bn on Oct 27, 2026 for iShares Core S&P Total U.S. Stock Market ETF, and $49.1bn on Oct 28, 2026 for iShares Russell 1000 ETF.

At a glance
+13.4%
ITOT total return, 1 year
+13.1%
IWB total return, 1 year
0.03%
ITOT expense ratio
0.15%
IWB expense ratio

Pair scorecard

ITOT costs 0.12 points a year less; their one-year returns differ by 0.3 points; ITOT is 2.0 times larger.

ITOT vs IWB: Differences, Returns & Fees
MeasureITOTIWB
Return
Total return, 1 year+13.4%+13.1%
Benchmark
What it tracksS&P Total Market Index (TMI)Russell 1000 Index
Cost and size
Expense ratio0.03%0.15%
Net assets, as of Oct 26, 2026$96.5bn$48.7bn
Holdings
Holdings in common95%
Top ten holdings, share of the fund33.9%35.3%

Holdings in common uses holdings dated Oct 27, 2026. Method

Risk and return

Jan 30, 2004 to Oct 23, 2026 · 1,186 weekly returns
ITOT IWB
Return
Total return edge IWB (slight) +886.3% +909.4%
Annualized edge Tie +10.6% +10.7%
Price return edge IWB (slight) +567.2% +583.0%
Risk
Volatility edge Tie 17.3% 17.4%
Max drawdown edge Tie −54.7% −54.8%
Risk-adjusted
Sharpe edge Tie 0.56 0.57
Sortino edge Tie 0.80 0.80
Calmar edge Tie 0.19 0.19
Reading

IWB returned slightly more: +909.4% to +886.3%. ITOT and IWB swung about the same: 17.3% and 17.4%. ITOT and IWB fell about the same at their worst: −54.7% and −54.8%.

Full scorecard

9 measures, with how each is measured
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Risk and return: ITOT vs IWB: Differences, Returns & Fees
MeasureITOTIWBEdgeHow it is measured
Return
Total return+886.3%+909.4%IWB (slight)Price change plus distributions, reinvested.
Annualized+10.6%+10.7%TieTotal return as a yearly rate.
Price return+567.2%+583.0%IWB (slight)Price change alone, distributions left out.
Risk
Volatility17.3%17.4%TieSpread of weekly returns, annualized. Lower is steadier.
Downside deviation12.2%12.3%TieLike volatility, counting only weeks below the Treasury bill rate.
Max drawdown−54.7%−54.8%TieDeepest fall from a high to the low after it.
Risk-adjusted
Sharpe0.560.57TieReturn above Treasury bills per unit of volatility.
Sortino0.800.80TieReturn above Treasury bills per unit of downside deviation.
Calmar0.190.19TieAnnualized return divided by the max drawdown.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 1,186 weekly returns. Cash rate: the 13-week Treasury bill.

What they share

95%

By the books each fund has filed, ITOT and IWB hold 95% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.

0 half 100%

half

95% in common

Positions both hold · largest shared weight first ITOT IWB
NVIDIA 7.06% 7.15%
APPLE 6.78% 7.06%
MICROSOFT 5.28% 5.56%
AMAZON.COM INC 3.32% 3.46%
ALPHABET CLASS A 2.52% 2.63%
BROADCOM INC 2.18% 2.24%
ALPHABET CLASS C 2.02% 2.12%
META PLATFORMS CLASS A 1.83% 1.92%
TESLA INC 1.54% 1.68%
MICRON TECHNOLOGY 1.40% 1.47%
ELI LILLY 1.37% 1.44%
BERKSHIRE HATHAWAY INC CLASS B 1.36% 1.42%
Only in one fund ↓
Only in ITOT
SEAGATE TECHNOLOGY HOLDINGS PLC 0.20%
NXP SEMICONDUCTORS NV 0.09%
TE CONNECTIVITY PLC 0.09%
AMRIZE AG 0.03%
10X GENOMICS CLASS A 0.01%
AAR 0.01%
ABERCROMBIE AND FITCH CLASS A 0.01%
ACADEMY SPORTS AND OUTDOORS 0.01%
Only in IWB
SPOTIFY TECHNOLOGY 0.12%
ANGLOGOLD ASHANTI PLC 0.06%
NU HOLDINGS CLASS A 0.06%
RESTAURANTS BRANDS INTERNATIONAL 0.04%
SOUTHERN COPPER CORP 0.03%
ASCENDIS PHARMA 0.02%
BROOKFIELD ASSET MANAGEMENT VOTING 0.02%
GFL ENVIRONMENTAL SUBORDINATE VOTI 0.02%
Check overlap with more funds →

Side by side

ITOT iShares Core S&P Total U.S. Stock Market ETF IWB iShares Russell 1000 ETF
Where it sits Stock ETF Stock ETF
What it is Tracks the S&P Total U.S. Stock Market Tracks the Russell 1000
Total return, 1 year +13.4% +13.1%
Its benchmark over the same days not measured +13.2% (VONE)
Gap to its benchmark not measured −0.1 pts vs VONE
Expense ratio 0.03% 0.15%
Already in the S&P 500 88.1% 91.7%
Holdings 2443 1025
Net assets, ITOT as of Oct 27, 2026 and IWB as of Oct 28, 2026 $97.1bn $49.1bn

ITOT and IWB on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

Client brief · page 1 of 2 Report BR-BB881D3BEC

ITOT and IWB are built for the same job. How do they differ in cost, holdings and results?

  1. What each follows. ITOT follows S&P Total Market Index (TMI) and IWB follows Russell 1000 Index.
  2. Cost. ITOT charges 0.03% of assets a year and IWB 0.15%, a gap of 0.12 points.
  3. Holdings in common (similar). 95% of the weight is in the same securities (holdings dated Oct 27, 2026).

Data as of Oct 28, 2026.

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About each fund
ITOT

ITOT tracks the S&P Total U.S. Stock Market. Over the year to Oct 28, 2026 it returned +13.4% with distributions reinvested. The prospectus expense ratio is 0.03% a year. By its holdings published by its issuer for Oct 27, 2026, 88% of the fund by weight is stocks the S&P 500 also holds, across 2,443 positions, with the top ten at 33.9%.

IWB

IWB tracks the Russell 1000. Over the year to Oct 28, 2026 it returned +13.1% with distributions reinvested, against +13.2% for its benchmark, the Russell 1000 Index. The prospectus expense ratio is 0.15% a year. By its holdings published by its issuer for Oct 27, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 1,025 positions, with the top ten at 35.3%.

Questions people ask

Which returned more over the last year, ITOT or IWB?
In the year to Oct 28, 2026, with distributions reinvested, ITOT returned +13.4% and IWB +13.1%.
Which is cheaper, ITOT or IWB?
ITOT is cheaper, by 0.12 percentage points a year. That is about $12 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do ITOT and IWB overlap with the S&P 500?
By their latest filed holdings, 88% of ITOT and 92% of IWB by weight is stocks the S&P 500 already holds.
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ETFIQ, ITOT against IWB, data as of Oct 28, 2026. https://etfiq.com/compare/any/itot-vs-iwb

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