DIA vs IWM ETF holdings comparison
SPDR Dow Jones Industrial Average ETF Trust (DIA) · iShares Russell 2000 ETF (IWM)
DIA and IWM overlap by 0% by portfolio weight. The remaining 100.0 percentage points are not counted as shared holdings weight by this calculation. They share 0 stocks;
The holdings dates differ. This can slightly understate overlap for funds tracking similar indexes.
What this means
DIA and IWM 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
No shared stocks were found in the normalized issuer holdings used for this comparison. That result applies only to the holdings files and dates shown above.
Holdings only in DIA or IWM
DIA has 30 fund-only positions representing approximately 99.9 percentage points of reported exposure; IWM has 1986 fund-only positions representing approximately 99.8 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 |
|---|---|---|
| Goldman Sachs Group Inc | GS | 11.74% |
| Caterpillar Inc | CAT | 8.99% |
| Microsoft Corp | MSFT | 5.45% |
| Amgen Inc | AMGN | 4.90% |
| Unitedhealth Group Inc | UNH | 4.40% |
| Visa Inc Class A Shares | V | 4.26% |
| Travelers Cos Inc/The | TRV | 4.10% |
| Jpmorgan Chase + Co | JPM | 3.95% |
| Sherwin Williams Co/The | SHW | 3.88% |
| Alphabet Inc Cl A | GOOGL | 3.85% |
Largest positions only in IWM
| Company | Ticker | Weight |
|---|---|---|
| Moog, Inc. | MOG.A | 0.38% |
| Hut 8 Corp. | HUT | 0.37% |
| Viasat, Inc. | VSAT | 0.35% |
| BrightSpring Health Services, Inc. | BTSG | 0.35% |
| Cytokinetics, Inc. | CYTK | 0.35% |
| MaxLinear, Inc. | MXL | 0.34% |
| Argan, Inc. | AGX | 0.34% |
| UMB Financial Corp. | UMBF | 0.33% |
| JFrog Ltd. | FROG | 0.31% |
| Riot Platforms, Inc. | RIOT | 0.30% |
FAQ
How much do DIA and IWM overlap?
DIA and IWM have 0% overlap by weight, sharing 0 equity positions (out of 30 in DIA and 1986 in IWM). The official holdings files used are dated 2026-08-25 for DIA and 2026-06-30 for IWM.
What does 0% overlap mean?
DIA and IWM 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 IWM both hold?
DIA and IWM have no shared stock positions in the normalized issuer holdings used for this comparison.
What holdings are different between DIA and IWM?
DIA has 30 positions not found in IWM, while IWM has 1986 positions not found in DIA. The largest fund-only positions and their weights are shown on this page.