DIA vs ITOT ETF holdings comparison
SPDR Dow Jones Industrial Average ETF Trust (DIA) · iShares Core S&P Total U.S. Stock Market ETF (ITOT)
DIA and ITOT overlap by 25.6% by portfolio weight. The remaining 74.4 percentage points are not counted as shared holdings weight by this calculation. They share 30 stocks; the largest shared position is Microsoft Corp (MSFT), contributing 3.79% to the overlap.
The holdings dates differ. This can slightly understate overlap for funds tracking similar indexes.
What this means
DIA and ITOT 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 ITOT |
|---|---|---|---|
| Microsoft Corp | MSFT | 5.45% | 3.79% |
| Apple Inc | AAPL | 3.43% | 5.81% |
| Amazon.Com Inc | AMZN | 2.89% | 3.19% |
| Alphabet Inc Cl A | GOOGL | 3.85% | 2.86% |
| Nvidia Corp | NVDA | 2.36% | 6.63% |
| Jpmorgan Chase + Co | JPM | 3.95% | 1.20% |
| Johnson + Johnson | JNJ | 3.03% | 0.84% |
| Visa Inc Class A Shares | V | 4.26% | 0.78% |
| Walmart Inc | WMT | 1.17% | 0.68% |
| Caterpillar Inc | CAT | 8.99% | 0.67% |
Holdings only in DIA or ITOT
DIA has 0 fund-only positions representing approximately 0.0 percentage points of reported exposure; ITOT has 2420 fund-only positions representing approximately 67.3 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
No fund-only positions in this holdings snapshot.
Largest positions only in ITOT
| Company | Ticker | Weight |
|---|---|---|
| Broadcom, Inc. | AVGO | 2.45% |
| Alphabet, Inc. | GOOG | 2.29% |
| Micron Technology, Inc. | MU | 1.78% |
| Meta Platforms, Inc. | META | 1.69% |
| Tesla, Inc. | TSLA | 1.62% |
| Eli Lilly & Co. | LLY | 1.30% |
| Advanced Micro Devices, Inc. | AMD | 1.30% |
| Berkshire Hathaway, Inc. | BRK.B | 1.25% |
| Intel Corp. | INTC | 0.90% |
| Applied Materials, Inc. | AMAT | 0.78% |
FAQ
How much do DIA and ITOT overlap?
DIA and ITOT have 25.6% overlap by weight, sharing 30 equity positions (out of 30 in DIA and 2450 in ITOT). The official holdings files used are dated 2026-08-25 for DIA and 2026-06-30 for ITOT.
What does 25.6% overlap mean?
DIA and ITOT 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 ITOT both hold?
The largest shared positions are Microsoft Corp, Apple Inc, Amazon.Com Inc, Alphabet Inc Cl A, Nvidia Corp. The top shared holdings with weights in each fund are shown on this page.
What holdings are different between DIA and ITOT?
DIA has 0 positions not found in ITOT, while ITOT has 2420 positions not found in DIA. The largest fund-only positions and their weights are shown on this page.