DIA vs VOO ETF holdings comparison
SPDR Dow Jones Industrial Average ETF Trust (DIA) · Vanguard S&P 500 ETF (VOO)
DIA and VOO overlap by 28.6% by portfolio weight. The remaining 71.4 percentage points are not counted as shared holdings weight by this calculation. They share 29 stocks; the largest shared position is Microsoft Corp (MSFT), contributing 4.91% to the overlap.
The holdings dates differ. This can slightly understate overlap for funds tracking similar indexes.
What this means
DIA and VOO share a smaller portion of their portfolio weight in the same underlying stocks. OverlapCheck labels this "low holdings overlap" using house ranges of 70% or more, 30% to under 70%, and under 30%. These descriptive ranges are not industry standards or investment guidance. Holdings overlap does not measure correlation, volatility, geographic or factor exposure, fees, or suitability.
Overlap by weight sums the smaller of the two funds' weights for every stock they both hold. It answers "how much of my money is in the same stocks either way?" See methodology.
This comparison covers normalized equity positions represented in the dataset. Cash, derivatives, options, structured notes, and other non-equity assets are not included, so the result is not a complete comparison of every asset or risk in either fund.
Top shared holdings
| Company | Ticker | in DIA | in VOO |
|---|---|---|---|
| Microsoft Corp | MSFT | 5.45% | 4.91% |
| Apple Inc | AAPL | 3.43% | 6.66% |
| Alphabet Inc Cl A | GOOGL | 3.85% | 2.99% |
| Amazon.Com Inc | AMZN | 2.89% | 3.64% |
| Nvidia Corp | NVDA | 2.36% | 7.58% |
| Jpmorgan Chase + Co | JPM | 3.95% | 1.34% |
| Johnson + Johnson | JNJ | 3.03% | 1.05% |
| Walmart Inc | WMT | 1.17% | 0.97% |
| Visa Inc Class A Shares | V | 4.26% | 0.89% |
| Chevron Corp | CVX | 2.22% | 0.69% |
Holdings only in DIA or VOO
DIA has 1 fund-only positions representing approximately 2.4 percentage points of reported exposure; VOO has 474 fund-only positions representing approximately 62.0 percentage points of reported exposure. These are positions whose normalized security identifiers appear in one issuer file but not the other.
Largest positions only in DIA
| Company | Ticker | Weight |
|---|---|---|
| Honeywell International Inc | HON | 2.39% |
Largest positions only in VOO
| Company | Ticker | Weight |
|---|---|---|
| Broadcom Inc | AVGO | 2.62% |
| Alphabet Inc | GOOG | 2.40% |
| Meta Platforms Inc | META | 2.24% |
| Tesla Inc | TSLA | 1.87% |
| Berkshire Hathaway Inc | BRK.B | 1.57% |
| Eli Lilly & Co | LLY | 1.30% |
| Exxon Mobil Corp | XOM | 1.27% |
| Costco Wholesale Corp | COST | 0.79% |
| Mastercard Inc | MA | 0.73% |
| Netflix Inc | NFLX | 0.73% |
FAQ
How much do DIA and VOO overlap?
DIA and VOO have 28.6% overlap by weight, sharing 29 equity positions (out of 30 in DIA and 503 in VOO). The official holdings files used are dated 2026-08-25 for DIA and 2026-03-31 for VOO.
What does 28.6% overlap mean?
DIA and VOO share a smaller portion of their portfolio weight in the same underlying stocks. OverlapCheck labels this "low holdings overlap" using house ranges of 70% or more, 30% to under 70%, and under 30%. These descriptive ranges are not industry standards or investment guidance. Holdings overlap does not measure correlation, volatility, geographic or factor exposure, fees, or suitability.
Which stocks do DIA and VOO both hold?
The largest shared positions are Microsoft Corp, Apple Inc, Alphabet Inc Cl A, Amazon.Com Inc, Nvidia Corp. The top shared holdings with weights in each fund are shown on this page.
What holdings are different between DIA and VOO?
DIA has 1 positions not found in VOO, while VOO has 474 positions not found in DIA. The largest fund-only positions and their weights are shown on this page.