Which returned more over the last year, ITOT or VO?

In the year to Oct 28, 2026, with distributions reinvested, ITOT returned +13.4% and VO +12.8%.

Which is cheaper, ITOT or VO?

Neither: ITOT and VO both charge 0.03% a year. Fees come from each fund's prospectus.

How much do ITOT and VO overlap with the S&P 500?

By their latest filed holdings, 88% of ITOT and 91% of VO by weight is stocks the S&P 500 already holds.

Data as of Oct 28, 2026.

Across categories

ITOT vs VO: Differences, Returns & Fees

Share on X Download as PDF

Over the year to Oct 28, 2026, ITOT returned +13.4% to VO's +12.8%; 15% of their weight is in the same names.

askIQ about this page

askIQ about ITOT and VO

Net assets: $97.1bn on Oct 27, 2026 for iShares Core S&P Total U.S. Stock Market ETF, and $103.4bn on Sep 30, 2026 for Vanguard Morningstar Mid-Cap ETF.

ITOT on its own →VO on its own →

At a glance

+13.4%

ITOT total return, 1 year

+12.8%

VO total return, 1 year

0.03%

ITOT expense ratio

0.03%

VO expense ratio

Pair scorecard

Both cost 0.03% a year; their one-year returns differ by 0.6 points; VO is 1.1 times larger.

ITOT vs VO: Differences, Returns & Fees
Measure	ITOT	VO
Return
Measure	ITOT	VO
Total return, 1 year	+13.4%	+12.8%
Drawdown
Measure	ITOT	VO
Below its high		3.1%, high on Aug 14, 2026
Benchmark
Measure	ITOT	VO
What it tracks	S&P Total Market Index (TMI)	Morningstar US Mid Cap Index (formerly CRSP US Mid Cap Index)
Cost and size
Measure	ITOT	VO
Expense ratio	0.03%	0.03%
Net assets, as of Sep 30, 2026	$95.9bn	$103.4bn
Holdings
Measure	ITOT	VO
Holdings in common	15%
Top ten holdings, share of the fund	33.9%	9.7%

Holdings in common uses holdings dated Sep 30, 2026 and Oct 27, 2026. Method

Risk and return

Feb 6, 2004 to Oct 23, 2026 · 1,185 weekly returns

ITOT VO

Return

Total return edge ITOT (slight) +879.9% +797.9%

Annualized edge ITOT (slight) +10.5% +10.1%

Price return edge ITOT (slight) +562.8% +546.9%

Risk

Volatility edge ITOT 17.4% 19.6%

Max drawdown edge ITOT (slight) −54.7% −58.4%

Risk-adjusted

Sharpe edge ITOT 0.56 0.50

Sortino edge ITOT 0.80 0.71

Calmar edge ITOT 0.19 0.17

Reading

ITOT returned slightly more: +879.9% to +797.9%. ITOT swung less: 17.4% to 19.6%. ITOT fell slightly less at its worst: −54.7% to −58.4%.

Full scorecard

9 measures, with how each is measured Open ↓

Risk and return: ITOT vs VO: Differences, Returns & Fees
Measure	ITOT	VO	Edge	How it is measured
Return
Total return	+879.9%	+797.9%	ITOT (slight)	Price change plus distributions, reinvested.
Annualized	+10.5%	+10.1%	ITOT (slight)	Total return as a yearly rate.
Price return	+562.8%	+546.9%	ITOT (slight)	Price change alone, distributions left out.
Risk
Volatility	17.4%	19.6%	ITOT	Spread of weekly returns, annualized. Lower is steadier.
Downside deviation	12.2%	13.8%	ITOT	Like volatility, counting only weeks below the Treasury bill rate.
Max drawdown	−54.7%	−58.4%	ITOT (slight)	Deepest fall from a high to the low after it.
Risk-adjusted
Sharpe	0.56	0.50	ITOT	Return above Treasury bills per unit of volatility.
Sortino	0.80	0.71	ITOT	Return above Treasury bills per unit of downside deviation.
Calmar	0.19	0.17	ITOT	Annualized return divided by the max drawdown.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 1,185 weekly returns. Cash rate: the 13-week Treasury bill.

What they share

15%

By the books each fund has filed, ITOT and VO hold 15% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.

50%

0 half 100%

half

15% in common

Positions both hold · largest shared weight first ITOT VO

MARATHON PETROLEUM 0.16% 1.10%

NEWMONT 0.16% 0.60%

SNOWFLAKE 0.16% 0.55%

FORTINET 0.15% 0.55%

VALERO ENERGY CORP 0.15% 1.10%

CLOUDFLARE CLASS A 0.14% 1.11%

PHILLIPS 66 0.14% 1.01%

DATADOG INC CLASS A 0.13% 0.91%

JOHNSON CONTROLS INTERNATIONAL PLC 0.13% 0.45%

QUANTA SERVICES INC 0.12% 0.95%

WILLIAMS 0.12% 0.41%

CONSTELLATION ENERGY CORP 0.11% 0.84%

Only in one fund ↓

Only in ITOT

NVIDIA 7.06%

APPLE 6.78%

MICROSOFT 5.28%

AMAZON.COM INC 3.32%

ALPHABET CLASS A 2.52%

BROADCOM INC 2.18%

ALPHABET CLASS C 2.02%

META PLATFORMS CLASS A 1.83%

Only in VO

Warner Bros Discovery Inc 0.73%

Waste Connections Inc 0.38%

Ingersoll Rand Inc 0.29%

MKTLIQ 0.17%

SLCMT1142 0.12%

Check overlap with more funds →

Side by side

ITOT iShares Core S&P Total U.S. Stock Market ETF VO Vanguard Morningstar Mid-Cap ETF

Where it sits Stock ETF Stock ETF

Issuer iShares Vanguard

What it is Tracks the S&P Total U.S. Stock Market Tracks an index of Mid-Cap

Total return, 1 year +13.4% +12.8%

Expense ratio 0.03% 0.03%

Already in the S&P 500 88.1% 91.1%

Holdings 2443 273

Net assets, ITOT as of Oct 27, 2026 and VO as of Sep 30, 2026 $97.1bn $103.4bn

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

Client brief · page 1 of 2 Report BR-3FAD7D8A04

ITOT and VO do different jobs. What does each one do in a portfolio?

What each follows. ITOT follows S&P Total Market Index (TMI) and VO follows Morningstar US Mid Cap Index (formerly CRSP US Mid Cap Index).
Holdings in common. 15% of the weight is in the same securities (holdings dated Oct 27, 2026 and Sep 30, 2026).
Number of holdings. ITOT holds 2,443 positions and VO holds 273.

Data as of Oct 28, 2026.

The two-page PDF for this pair is coming. Save the comparison to follow its changes. Free. It needs an email sign-in, once.

Your saved page · Privacy.

Alert

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%.

VO tracks an index of Mid-Cap. Over the year to Oct 28, 2026 it returned +12.8% with distributions reinvested. By its holdings published by its issuer as of Sep 30, 2026, 91% of the fund by weight is stocks the S&P 500 also holds, across 273 positions, with the top ten at 9.7%. It sat 3.1% below its high of Aug 14, 2026 on Oct 28, 2026.

Questions people ask

Which returned more over the last year, ITOT or VO?: In the year to Oct 28, 2026, with distributions reinvested, ITOT returned +13.4% and VO +12.8%.
Which is cheaper, ITOT or VO?: Neither: ITOT and VO both charge 0.03% a year. Fees come from each fund's prospectus.
How much do ITOT and VO overlap with the S&P 500?: By their latest filed holdings, 88% of ITOT and 91% of VO by weight is stocks the S&P 500 already holds.

Other comparisons

ITOT vs VXF ITOT vs MDY ITOT vs MOAT FTGS vs ITOT VIG vs VO SCHX vs VO SPYM vs VO IWB vs VO

Where to next

ITOT on its own →VO on its own →Hold both: look the portfolio through →Rankings →ITOT dividend history →ITOT holdings →VO dividend history →VO holdings →Standards and sources →

Sources and dates

ITOT filings on SEC EDGAR ↗

ITOT prospectus with the expense ratio (SEC) ↗

iShares page for ITOT ↗

VO filings on SEC EDGAR ↗

VO prospectus with the expense ratio (SEC) ↗

Vanguard page for VO ↗

Links are sources, not endorsements. 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 VO, data as of Oct 28, 2026. https://etfiq.com/compare/any/itot-vs-vo

Open data →

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