MGK vs SOXX ETF holdings comparison
Vanguard Mega Cap Growth ETF (MGK) · iShares Semiconductor ETF (SOXX)
MGK and SOXX overlap by 20.9% by portfolio weight. The remaining 79.1 percentage points are not counted as shared holdings weight by this calculation. They share 8 stocks; the largest shared position is NVIDIA Corp (NVDA), contributing 6.81% to the overlap.
What this means
MGK and SOXX 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 MGK | in SOXX |
|---|---|---|---|
| NVIDIA Corp | NVDA | 13.27% | 6.81% |
| Broadcom Inc | AVGO | 4.27% | 6.08% |
| Advanced Micro Devices Inc | AMD | 3.19% | 8.09% |
| Lam Research Corp | LRCX | 1.92% | 4.89% |
| KLA Corp | KLAC | 1.48% | 5.64% |
| Applied Materials Inc | AMAT | 1.13% | 5.77% |
| Intel Corp | INTC | 1.10% | 6.33% |
| Marvell Technology Inc | MRVL | 1.03% | 5.22% |
Holdings only in MGK or SOXX
MGK has 48 fund-only positions representing approximately 72.4 percentage points of reported exposure; SOXX has 22 fund-only positions representing approximately 51.1 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 MGK
| Company | Ticker | Weight |
|---|---|---|
| Apple Inc | AAPL | 12.17% |
| Microsoft Corp | MSFT | 7.50% |
| Alphabet Inc | GOOGL | 5.92% |
| Alphabet Inc | GOOG | 4.66% |
| Amazon.com Inc | AMZN | 4.46% |
| Meta Platforms Inc | META | 4.08% |
| Tesla Inc | TSLA | 3.93% |
| Eli Lilly & Co | LLY | 3.40% |
| Visa Inc | V | 1.82% |
| Mastercard Inc | MA | 1.47% |
Largest positions only in SOXX
| Company | Ticker | Weight |
|---|---|---|
| Micron Technology, Inc. | MU | 8.54% |
| Taiwan Semiconductor Manufacturing Co. Ltd. | TSM | 4.26% |
| Texas Instruments, Inc. | TXN | 3.50% |
| Analog Devices, Inc. | ADI | 3.45% |
| Teradyne, Inc. | TER | 3.36% |
| NXP Semiconductors NV | NXPI | 3.14% |
| Astera Labs, Inc. | ALAB | 3.02% |
| Monolithic Power Systems, Inc. | MPWR | 2.93% |
| QUALCOMM, Inc. | QCOM | 2.65% |
| ASML Holding NV | ASML | 2.30% |
FAQ
How much do MGK and SOXX overlap?
MGK and SOXX have 20.9% overlap by weight, sharing 8 equity positions (out of 56 in MGK and 30 in SOXX). The official holdings files used are dated 2026-06-30 for MGK and 2026-06-30 for SOXX.
What does 20.9% overlap mean?
MGK and SOXX 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 MGK and SOXX both hold?
The largest shared positions are NVIDIA Corp, Broadcom Inc, Advanced Micro Devices Inc, Lam Research Corp, KLA Corp. The top shared holdings with weights in each fund are shown on this page.
What holdings are different between MGK and SOXX?
MGK has 48 positions not found in SOXX, while SOXX has 22 positions not found in MGK. The largest fund-only positions and their weights are shown on this page.