SMH vs VTI: how much do they really overlap?
SMH (VanEck Semiconductor ETF, tracking the MVIS US Listed Semiconductor 25) and VTI (Vanguard Total Stock Market ETF, tracking the CRSP US Total Market) overlap by roughly 27% by weight. 8 of SMH's top 10 holdings also appear in VTI. A 50/50 blend of the two behaves like about 33 equally-weighted bets (diversification grade B). In short, the two funds share a meaningful core of the same megacaps, but each also brings real exposure the other lacks.
The same companies, in both funds
These 10 holdings appear in both SMH and VTI. The weight columns show how much of each fund each name represents.
| Holding | in SMH | in VTI |
|---|---|---|
| NVDA NVIDIA Corporation | 18.16% | 6.70% |
| AVGO Broadcom Inc. | 5.49% | 2.91% |
| MU Micron Technology, Inc. | 5.99% | 1.50% |
| AMD Advanced Micro Devices, Inc. | 5.44% | 1.16% |
| INTC Intel Corporation | 5.09% | 0.63% |
| LRCX Lam Research Corporation | 5.00% | 0.55% |
| AMAT Applied Materials, Inc. | 5.35% | 0.49% |
| TXN Texas Instruments Incorporated | 4.29% | 0.38% |
| QCOM QUALCOMM Incorporated | 4.12% | 0.37% |
| KLAC KLA Corporation | 4.94% | 0.35% |
Only in SMH
VanEck Semiconductor ETF — semiconductors. Its biggest holdings that VTI doesn’t have:
| TSM Taiwan Semiconductor Manufacturing Company Limited | 9.04% |
| ASML ASML Holding N.V. | 4.89% |
| MRVL Marvell Technology, Inc. | 4.49% |
| ADI Analog Devices, Inc. | 4.19% |
| CDNS Cadence Design Systems, Inc. | 2.33% |
| SNPS Synopsys, Inc. | 1.96% |
| TER Teradyne, Inc. | 1.45% |
| STM STMicroelectronics N.V. | 1.29% |
Only in VTI
Vanguard Total Stock Market ETF — total US market. Its biggest holdings that SMH doesn’t have:
| AAPL Apple Inc. | 6.30% |
| MSFT Microsoft Corp. | 4.60% |
| AMZN Amazon.com Inc. | 3.60% |
| GOOGL Alphabet Inc. Class A | 3.05% |
| GOOG Alphabet Inc. Class C | 2.39% |
| META Facebook Inc. Class A | 1.90% |
| TSLA Tesla Inc. | 1.69% |
| LLY Eli Lilly & Co. | 1.29% |
So — partly overlapping. Should you hold both?
SMH and VTI share a meaningful core of the same megacaps, but each also brings real exposure the other lacks. Held together they keep a shared megacap core but each still pulls in exposure the other lacks, so a 50/50 blend spreads to ~33 effective positions (grade B).
Holdings as of — SMH: Jun 27, 2026 (VanEck); VTI: 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 →SMH vs VTI — FAQ
- How much do SMH and VTI overlap?
- SMH and VTI overlap by approximately 27% measured by portfolio weight — that is the share of the smaller fund's holdings (by weight) that also sit inside the other. 8 of SMH's 10 largest holdings are also held by VTI. They share 10 of their listed top holdings in total.
- Is it redundant to hold both SMH and VTI?
- Because they share a meaningful core of the same megacaps, but each also brings real exposure the other lacks, holding both is partly redundant: you double up on a shared core (NVDA) while each fund still adds distinct exposure. A 50/50 blend has an effective 33 positions and a B diversification grade.
- What does VTI hold that SMH doesn't?
- VTI's largest holdings that SMH doesn't hold include AAPL, MSFT, AMZN, GOOGL, GOOG. Its category is total US market, versus SMH's semiconductors.
- Which is more concentrated, SMH or VTI?
- SMH's top 10 holdings are 69% of its listed weight; VTI's are 61%. The more concentrated fund leans harder on its largest names.