IVV vs VOO
iShares Core S&P 500 ETF against Vanguard S&P 500 ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
91%
491 shared positions
Fee gap
0 bp
same fee
1-year return gap
0.1 pts
VOO is ahead
Larger fund
VOO
$1.06T
Side by side
| IVV | VOO | |
|---|---|---|
| Fund | iShares Core S&P 500 ETF | Vanguard S&P 500 ETF |
| Issuer | iShares | Vanguard |
| Category | Large Cap Blend | Large Cap Blend |
| Expense ratio | 0.03% | 0.03% |
| Assets | $896.4B | $1.06T |
| Average daily dollar volume | $6.6B | $6.0B |
| Listed | May 15, 2000 | Sep 7, 2010 |
| FrenzyCap score | 93 | 94 |
| 1-month return | +2.7% | +2.7% |
| 3-month return | +3.9% | +3.9% |
| Year to date | +14.2% | +14.1% |
| 1-year return | +15.6% | +15.7% |
| 30-day volatility | 10.1% | 10.1% |
| Worst drawdown, 1 year | −9.1% | −9.2% |
| Trailing 12-month yield | 1.07% | 1.04% |
| Holdings | 508 | 520 |
| Top 10 weight | 39.0% | 36.4% |
| Look-through P/E | 26.6 | 26.0 |
| Holdings vs fair value | +1.3% | +1.3% |
| Holdings above 200-day average | 74% | 71% |
| Net flow, latest 3 reported months | +$60.6B thru Jun 2026 | +$34.1B thru Jun 2026 |
| 30-day implied volatility | 12.7% | 12.4% |
| Holdings as of | as of Oct 8, 2026issuer data | as of Jun 30, 2026SEC filing |
Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.
Largest shared holdings
98% of IVV · 98% of VOO| Holding | IVV | VOO |
|---|---|---|
| NVDA | 8.32% | 7.51% |
| AAPL | 7.41% | 6.59% |
| MSFT | 5.79% | 4.30% |
| AMZN | 3.72% | 3.62% |
| GOOGL | 3.05% | 3.25% |
| AVGO | 2.56% | 2.77% |
| GOOG | 2.45% | 2.59% |
| META | 2.37% | 1.92% |
| MU | 1.75% | 2.02% |
| TSLA | 1.58% | 1.84% |
| AMD | 1.51% | 1.47% |
| LLY | 1.40% | 1.47% |
| JPM | 1.31% | 1.26% |
| JNJ | 0.92% | 0.95% |
| XOM | 1.03% | 0.88% |
| V | 0.95% | 0.86% |
| INTC | 0.79% | 1.02% |
| WMT | 0.73% | 0.77% |
| ABBV | 0.72% | 0.69% |
| CSCO | 0.68% | 0.72% |
| MA | 0.69% | 0.64% |
| COST | 0.63% | 0.64% |
| AMAT | 0.60% | 0.89% |
| LRCX | 0.60% | 0.84% |
| CAT | 0.55% | 0.76% |
Sector mix of the stock holdings
| Sector | IVV | VOO | Gap |
|---|---|---|---|
| Technology | 48.2% | 46.0% | +2.2% |
| Industrials | 10.7% | 11.6% | −1.0% |
| Consumer Discretionary | 10.1% | 10.6% | −0.5% |
| Financials | 7.7% | 9.5% | −1.7% |
| Health Care | 8.2% | 8.1% | +0.1% |
| Consumer Staples | 3.2% | 3.3% | −0.1% |
| Energy | 3.0% | 2.4% | +0.6% |
| Utilities | 2.5% | 2.8% | −0.3% |
| Materials | 1.8% | 2.1% | −0.3% |
| Real Estate | 1.6% | 1.8% | −0.2% |
| Communication Services | 1.3% | 1.4% | −0.1% |
More: full overlap table · IVV holdings · VOO holdings
Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.