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ITOT vs PBUS: Differences, Returns & Fees

ITOT and PBUS hold 90% of their weight in the same names. Net assets on Oct 9, 2026: $98.1bn for iShares Core S&P Total U.S. Stock Market ETF and $10.8bn for Invesco MSCI USA ETF.

ITOT costs 0.01 points a year less; their one-year returns differ by 0.1 points; ITOT is 9.1 times larger.

ITOT vs PBUS: Differences, Returns & Fees
ITOTPBUS
Expense ratio0.03%0.04%
Net assets$98.1bn$10.8bn
Total return, 1 year+16.8%+16.9%
What it tracksS&P Total U.S. Stock MarketMSCI USA Index
Holdings in common90%
Holdings datedOct 9, 2026Oct 10, 2026
Top ten holdings, share of the fund34.8%38.2%

Holdings in common uses holdings dated Oct 9, 2026.

+16.8%
ITOT total return, 1 year
+16.9%
PBUS total return, 1 year
0.03%
ITOT expense ratio
0.04%
PBUS expense ratio

What they hold in common

By the books each fund has filed, ITOT and PBUS hold 90% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated Oct 9, 2026.

half

90% in common

Positions both hold, largest shared weight first
Holding ITOT PBUS
NVIDIA 7.35% 7.83%
APPLE 6.51% 7.34%
MICROSOFT 5.26% 5.61%
AMAZON.COM INC 3.41% 3.77%
ALPHABET CLASS A 2.73% 3.06%
BROADCOM INC 2.28% 2.43%
ALPHABET CLASS C 2.19% 2.42%
META PLATFORMS CLASS A 2.10% 2.34%
MICRON TECHNOLOGY 1.54% 1.73%
TESLA INC 1.43% 1.63%
ADVANCED MICRO DEVICES 1.31% 1.47%
ELI LILLY 1.25% 1.40%
Only in ITOT
MODERNA 0.11%
COUPANG CLASS A 0.03%
GUARDANT HEALTH 0.03%
MACOM TECHNOLOGY SOLUTIONS 0.03%
NUTANIX CLASS A 0.03%
PERMIAN RESOURCES CLASS A 0.03%
ROKU CLASS A 0.03%
ROYAL GOLD 0.03%
Only in PBUS
MercadoLibre Inc 0.13%
Waste Connections Inc 0.06%
IREN Ltd 0.02%
SECURITIES LENDING - BNYM 0.00%

Check overlap with more funds →

On the same fields

ITOT
iShares Core S&P Total U.S. Stock Market ETF
PBUS
Invesco MSCI USA ETF
Where it sits Stock ETF Stock ETF
Issuer iShares Invesco
What it is Tracks the S&P Total U.S. Stock Market Tracks an index
Total return, 1 year +16.8% +16.9%
Expense ratio 0.03% 0.04%
Already in the S&P 500 88.1% 96.7%
Holdings 2459 516
Net assets $98.1bn $10.8bn

ITOT and PBUS on the fields both publish, as of Oct 9, 2026. Source: ETFIQ.

About ITOT

ITOT tracks the S&P Total U.S. Stock Market. Over the year to Oct 9, 2026 it returned +16.8% with distributions reinvested. The prospectus expense ratio is 0.03% a year. By its holdings published by its issuer for Oct 9, 2026, 88% of the fund by weight is stocks the S&P 500 also holds, across 2,459 positions, with the top ten at 34.8%.

About PBUS

PBUS tracks an index. Over the year to Oct 9, 2026 it returned +16.9% with distributions reinvested. The prospectus expense ratio is 0.04% a year. By its holdings published by its issuer for Oct 10, 2026, 97% of the fund by weight is stocks the S&P 500 also holds, across 516 positions, with the top ten at 38.2%.

Questions people ask

Which returned more over the last year, ITOT or PBUS?
In the year to Oct 9, 2026, with distributions reinvested, ITOT returned +16.8% and PBUS +16.9%.
Which is cheaper, ITOT or PBUS?
ITOT is cheaper, by 0.01 percentage points a year. That is about $1 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do ITOT and PBUS overlap with the S&P 500?
By their latest filed holdings, 88% of ITOT and 97% of PBUS by weight is stocks the S&P 500 already holds.
Other comparisons
ITOT vs MGCITOT vs XLGBBUS vs ITOTCGUS vs ITOTPBUS vs VIGPBUS vs SCHXPBUS vs VVPBUS vs SPYM
ITOT on its own →PBUS on its own →Hold both: look the portfolio through →Rankings →Standards and sources →
Where these figures came from
ITOT filings on SEC EDGAR ↗ITOT prospectus with the expense ratio (SEC) ↗iShares page for ITOT ↗PBUS filings on SEC EDGAR ↗PBUS prospectus with the expense ratio (SEC) ↗Invesco page for PBUS ↗

ETFIQ links to the documents behind every figure; a link is not an endorsement. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Cite this pageCitation, APA and Markdown

ETFIQ, ITOT against PBUS, data as of Oct 9, 2026. https://etfiq.com/compare/any/itot-vs-pbus

Open data

Free to use with attribution for figures ETFIQ computes; issuer data stays under its owner's terms.