VOO vs IVV: Vanguard S&P 500 ETF and iShares Core S&P 500 ETF compared

Near-identical rides: over the past five years, $10,000 became $18,725 in VOO and $18,724 in IVV. What separates them is cost and structure, not performance.

etf head-to-headdividends reinvesteddata through Oct 2026

growth of $10,000
as of Oct 2026VOO $18,725IVV $18,724

the gap between themdead even

VOO solid · IVV dashed · weekly closes, dividends reinvested

who comes out aheadVOO 0 · 0 IVV

Even at 0 each. The difference is in the details below.

  • Grew more over five yearsVOO +87% · IVV +87%tie
  • Fell less at its worstVOO −24% · IVV −24%tie
  • Calmer rideVOO 16% vol · IVV 16% voltie
  • Cheaper to holdVOO 0.03% a year · IVV 0.03% a yeartie

near twins · correlation 1.00

01The numbers

Side by side, line by line

head to head11 lines
VOO and IVV compared on price, size, returns, risk and cost
MetricVanguard S&P 500 ETF logoVOOiShares Core S&P 500 ETF logoIVV
Price$715.59$781.97
Fund size$1.73T$881.27B
1-year return+20.5%+20.6% (ahead)
3-year return, a year+23.3%+23.3%
5-year return, a year+13.4%+13.4%
Volatility, a year16%16%
Worst drawdown−24%−24%
Worst week−8.9% (ahead)Mar 2025−9.1%Mar 2025
Beta1.001.00
Dividend yield1.06%1.10%
Expense ratio0.03%0.03%
marks the side ahead on lines with a direction: higher return, lower volatility, shallower fall, lower fee
02Together

Do VOO and IVV move together?

correlationnear twins
1.00Near twins: they rise and fall in lockstep, so holding both adds almost no diversification.

Correlation compares VOO’s and IVV’s weekly returns from Oct 2021 to Oct 2026. Two holdings near +1 fall on the same weeks, so owning both doesn’t cushion anything. Your portfolio has more than two lines, and Portfolio Terminal runs this check across every pair you hold.

Pearson correlation of weekly returns|+1 always together, 0 unrelated, −1 always opposite
03Drawdowns

How far each one fell

drawdownsbelow each one’s previous high
as of Oct 2026VOO 0.0%IVV 0.0%

VOO

−24%

From its Dec 2021 high to Sep 2022. Back at that high by Dec 2023.

IVV

−24%

From its Dec 2021 high to Sep 2022. Back at that high by Dec 2023.

Worst peak-to-trough fall on weekly closes · dividends reinvested

04Holdings

How much of it is the same money

overlapfull holdings, by weight
97%of each fund is money the other holds at the same weight, across 499 shared companies.
VOO
97%
IVV
97%
  • same money
  • same companies, extra weight
  • only in this fund
Overlap = the sum, over companies both funds hold, of the smaller of the two weights. Cash and derivatives excluded.
Every shared holding, company by company →
05Questions

VOO vs IVV: what people ask

questions6 answered

Is VOO better than IVV?

Over the past five years, VOO delivered the higher return: +13.4% a year against +13.4% for IVV, dividends reinvested. Both fell about as far at their worst (−24% and −24%). Which is better depends on the job it does in your portfolio, and past returns don’t predict future ones.

What is the difference between VOO and IVV?

VOO is Vanguard S&P 500 ETF, a fund with $1.73T in assets. IVV is iShares Core S&P 500 ETF, a fund with $881.27B in assets. VOO charges 0.03% a year and IVV 0.03%.

Should I own both VOO and IVV?

Their weekly returns had a correlation of 1.00 over the past five years. They rise and fall in lockstep, so holding both adds almost no diversification. Whether that suits you depends on everything else you hold, which is the check Portfolio Terminal runs across a whole portfolio.

Which is riskier, VOO or IVV?

IVV swung more: 16% annual volatility against 16% for VOO. At their worst, VOO fell 24% and IVV 24% from a previous high. Against the broad market, their betas are 1.00 and 1.00.

Which pays a higher dividend, VOO or IVV?

IVV currently yields 1.10%, against 1.06% for VOO. Yields move with price, so a higher yield can also mean a falling price.

Which is cheaper to hold, VOO or IVV?

Both charge 0.03% a year, so cost doesn’t separate them.

Compare something else

Any two stocks or ETFs. Keep VOO or swap both.

Vanguard S&P 500 ETF logo
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Returns use weekly closes adjusted for dividends and splits, from Oct 2021 to Oct 2026. Quotes, fees and holdings come from public market data and refresh daily. This page describes what happened; it is not investment advice, and past performance doesn’t predict future returns.