A
vs
B
Share
Compare their flowsAsk IQ about these two funds

ITOT vs IYZ: Differences, Returns & Fees

ITOT and IYZ hold 2% of their weight in the same names, and IYZ returned +31.6% over the year. Net assets on Oct 9, 2026: $98.1bn for iShares Core S&P Total U.S. Stock Market ETF and $1.1bn for iShares U.S. Telecommunications ETF.

ITOT costs 0.34 points a year less; their one-year returns differ by 14.8 points; ITOT is far larger, $98.1bn against $1.1bn.

ITOT vs IYZ: Differences, Returns & Fees
ITOTIYZ
Expense ratio0.03%0.37%
Net assets$98.1bn$1.1bn
Total return, 1 year+16.8%+31.6%
What it tracksS&P Total U.S. Stock MarketRussell 1000 Telecommunications RIC 22
Holdings in common2%
Top ten holdings, share of the fund34.8%71.3%
Below its high6.4%, high on Jun 2, 2026

Holdings in common uses holdings dated Oct 9, 2026.

+16.8%
ITOT total return, 1 year
+31.6%
IYZ total return, 1 year
0.03%
ITOT expense ratio
0.37%
IYZ expense ratio

What they hold in common

By the books each fund has filed, ITOT and IYZ hold 2% 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

2% in common

Positions both hold, largest shared weight first
Holding ITOT IYZ
CISCO SYSTEMS INC 0.62% 24.08%
ARISTA NETWORKS 0.30% 12.31%
SPACE EXPLORATION TECHNOLOGIES COR 0.30% 3.94%
VERIZON COMMUNICATIONS INC 0.23% 9.46%
AT&T 0.20% 3.93%
LUMENTUM HOLDINGS 0.13% 3.82%
COMCAST CLASS A 0.10% 2.98%
MOTOROLA SOLUTIONS INC 0.10% 3.30%
T MOBILE US INC 0.09% 2.96%
CIENA 0.08% 4.12%
ROKU CLASS A 0.03% 2.79%
AST SPACEMOBILE CLASS A 0.02% 2.24%
Only in ITOT
NVIDIA 7.35%
APPLE 6.51%
MICROSOFT 5.26%
AMAZON.COM INC 3.41%
ALPHABET CLASS A 2.73%
BROADCOM INC 2.28%
ALPHABET CLASS C 2.19%
META PLATFORMS CLASS A 2.10%
Only in IYZ
MILLICOM INTERNATIONAL CELLULAR 2.26%
RUSSELL1000 VALUE MINI CME DEC 26 0.00%

Check overlap with more funds →

On the same fields

ITOT
iShares Core S&P Total U.S. Stock Market ETF
IYZ
iShares U.S. Telecommunications ETF
Where it sits Stock ETF Stock ETF
Issuer iShares iShares
What it is Tracks the S&P Total U.S. Stock Market Tracks an index
Total return, 1 year +16.8% +31.6%
Expense ratio 0.03% 0.37%
Already in the S&P 500 88.1% 71.2%
Holdings 2459 23
Net assets $98.1bn $1.1bn

ITOT and IYZ 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 IYZ

IYZ tracks an index. Over the year to Oct 9, 2026 it returned +31.6% with distributions reinvested. The prospectus expense ratio is 0.37% a year. By its holdings published by its issuer for Oct 9, 2026, 71% of the fund by weight is stocks the S&P 500 also holds, across 23 positions, with the top ten at 71.3%. It sat 6.4% below its high of Jun 2, 2026 on Oct 9, 2026.

Questions people ask

Which returned more over the last year, ITOT or IYZ?
In the year to Oct 9, 2026, with distributions reinvested, ITOT returned +16.8% and IYZ +31.6%.
Which is cheaper, ITOT or IYZ?
ITOT is cheaper, by 0.34 percentage points a year. That is about $34 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do ITOT and IYZ overlap with the S&P 500?
By their latest filed holdings, 88% of ITOT and 71% of IYZ by weight is stocks the S&P 500 already holds.
Other comparisons
ITOT vs MODLITOT vs QLCITOT vs VOTEITOT vs SPHBIYZ vs VIGIYZ vs SCHXIYZ vs VVIYZ vs SPYM
ITOT on its own →IYZ on its own →Hold both: look the portfolio through →Rankings →Standards and sources →
Where these figures came from
ITOT and IYZ filings on SEC EDGAR ↗ITOT and IYZ prospectus with the expense ratio (SEC) ↗iShares page for ITOT ↗iShares page for IYZ ↗

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 IYZ, data as of Oct 9, 2026. https://etfiq.com/compare/any/itot-vs-iyz

Open data

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