SOXX vs VT: how much do they really overlap?
SOXX (iShares Semiconductor ETF, tracking the NYSE Semiconductor) and VT (Vanguard Total World Stock ETF, tracking the FTSE Global All Cap) overlap by roughly 25% by weight. 7 of SOXX's top 10 holdings also appear in VT. A 50/50 blend of the two behaves like about 59 equally-weighted bets (diversification grade B). In short, the two funds have only a small shared core — they mostly hold different things and are largely complementary.
The same companies, in both funds
These 9 holdings appear in both SOXX and VT. The weight columns show how much of each fund each name represents.
| Holding | in SOXX | in VT |
|---|---|---|
| NVDA NVIDIA CORP | 6.81% | 4.17% |
| AVGO BROADCOM INC | 6.08% | 1.74% |
| MU MICRON TECHNOLOGY INC | 8.54% | 0.91% |
| AMD ADVANCED MICRO DEVICES INC | 8.09% | 0.70% |
| ASML ASML HOLDING ADR REPRESENTING NV | 2.30% | 0.53% |
| INTC INTEL CORPORATION | 6.33% | 0.43% |
| LRCX LAM RESEARCH CORP | 4.89% | 0.34% |
| AMAT APPLIED MATERIAL INC | 5.77% | 0.30% |
| TXN TEXAS INSTRUMENT INC | 3.50% | 0.23% |
Only in SOXX
iShares Semiconductor ETF — semiconductors. Its biggest holdings that VT doesn’t have:
| KLAC KLA CORP | 5.64% |
| MRVL MARVELL TECHNOLOGY INC | 4.88% |
| TSM TAIWAN SEMICONDUCTOR MANUFACTURING | 4.26% |
| ADI ANALOG DEVICES INC | 3.45% |
| TER TERADYNE INC | 3.36% |
| NXPI NXP SEMICONDUCTORS NV | 3.14% |
| ALAB ASTERA LABS INC | 3.02% |
| MPWR MONOLITHIC POWER SYSTEMS INC | 2.93% |
Only in VT
Vanguard Total World Stock ETF — global all-cap. Its biggest holdings that SOXX doesn’t have:
| AAPL Apple Inc. | 3.79% |
| MSFT Microsoft Corp. | 2.82% |
| AMZN Amazon.com Inc. | 2.19% |
| GOOGL Alphabet Inc. Class A | 1.89% |
| 2330 Taiwan Semiconductor Manufacturing Co. Ltd. | 1.52% |
| GOOG Alphabet Inc. Class C | 1.48% |
| META Facebook Inc. Class A | 1.16% |
| TSLA Tesla Inc. | 1.04% |
So — mostly different. Should you hold both?
SOXX and VT have only a small shared core — they mostly hold different things and are largely complementary. Held together they genuinely broaden your exposure — a 50/50 blend reaches ~59 effective positions (grade B), because they hold largely different securities.
Holdings as of — SOXX: Jun 30, 2026 (iShares (BlackRock)); VT: May 31, 2026 (Vanguard). Refreshed monthly. Overlap is measured across each fund’s largest holdings (top 50); the diffuse long tail barely moves the math.
See this for YOUR whole portfolio, free →SOXX vs VT — FAQ
- How much do SOXX and VT overlap?
- SOXX and VT overlap by approximately 25% measured by portfolio weight — that is the share of the smaller fund's holdings (by weight) that also sit inside the other. 7 of SOXX's 10 largest holdings are also held by VT. They share 9 of their listed top holdings in total.
- Is it redundant to hold both SOXX and VT?
- Because they have only a small shared core — they mostly hold different things and are largely complementary, holding both is not redundant — each fund covers largely different holdings, so together they broaden your exposure. A 50/50 blend has an effective 59 positions and a B diversification grade.
- What does VT hold that SOXX doesn't?
- VT's largest holdings that SOXX doesn't hold include AAPL, MSFT, AMZN, GOOGL, 2330. Its category is global all-cap, versus SOXX's semiconductors.
- Which is more concentrated, SOXX or VT?
- SOXX's top 10 holdings are 61% of its listed weight; VT's are 58%. The more concentrated fund leans harder on its largest names.