DIA vs MGK ETF holdings comparison
SPDR Dow Jones Industrial Average ETF Trust (DIA) · Vanguard Mega Cap Growth ETF (MGK)
DIA and MGK overlap by 22.3% by portfolio weight. The remaining 77.7 percentage points are not counted as shared holdings weight by this calculation. They share 10 stocks; the largest shared position is Microsoft Corp (MSFT), contributing 5.51% to the overlap.
The holdings dates differ. This can slightly understate overlap for funds tracking similar indexes.
What this means
DIA and MGK 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 MGK |
|---|---|---|---|
| Microsoft Corp | MSFT | 5.51% | 9.01% |
| Alphabet Inc Cl A | GOOGL | 3.80% | 5.51% |
| Apple Inc | AAPL | 3.48% | 12.60% |
| Amazon.Com Inc | AMZN | 2.89% | 4.59% |
| Nvidia Corp | NVDA | 2.33% | 13.75% |
| Visa Inc Class A Shares | V | 4.26% | 1.97% |
| Boeing Co/The | BA | 2.36% | 0.78% |
| Mcdonald S Corp | MCD | 2.96% | 0.63% |
| Salesforce Inc | CRM | 2.28% | 0.51% |
| Sherwin Williams Co/The | SHW | 3.87% | 0.36% |
Holdings only in DIA or MGK
DIA has 20 fund-only positions representing approximately 66.2 percentage points of reported exposure; MGK has 49 fund-only positions representing approximately 50.1 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 | 11.56% |
| Caterpillar Inc | CAT | 9.13% |
| Amgen Inc | AMGN | 4.89% |
| Unitedhealth Group Inc | UNH | 4.45% |
| Travelers Cos Inc/The | TRV | 4.12% |
| Jpmorgan Chase + Co | JPM | 3.96% |
| American Express Co | AXP | 3.73% |
| Home Depot Inc | HD | 3.72% |
| Johnson + Johnson | JNJ | 3.00% |
| Intl Business Machines Corp | IBM | 2.55% |
Largest positions only in MGK
| Company | Ticker | Weight |
|---|---|---|
| Broadcom Inc | AVGO | 4.40% |
| Alphabet Inc | GOOG | 4.37% |
| Tesla Inc | TSLA | 4.18% |
| Meta Platforms Inc | META | 4.17% |
| Eli Lilly & Co | LLY | 3.17% |
| Netflix Inc | NFLX | 1.76% |
| Mastercard Inc | MA | 1.72% |
| Advanced Micro Devices Inc | AMD | 1.49% |
| Palantir Technologies Inc | PLTR | 1.42% |
| Lam Research Corp | LRCX | 1.25% |
FAQ
How much do DIA and MGK overlap?
DIA and MGK have 22.3% overlap by weight, sharing 10 equity positions (out of 30 in DIA and 59 in MGK). The official holdings files used are dated 2026-08-26 for DIA and 2026-03-31 for MGK.
What does 22.3% overlap mean?
DIA and MGK 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 MGK both hold?
The largest shared positions are Microsoft Corp, Alphabet Inc Cl A, Apple Inc, 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 MGK?
DIA has 20 positions not found in MGK, while MGK has 49 positions not found in DIA. The largest fund-only positions and their weights are shown on this page.