SOXX vs VBR: how much do they really overlap?
SOXX (iShares Semiconductor ETF, tracking the NYSE Semiconductor) and VBR (Vanguard Small-Cap Value ETF, tracking the CRSP US Small Cap Value) overlap by roughly 0% by weight. 0 of SOXX's top 10 holdings also appear in VBR. A 50/50 blend of the two behaves like about 77 equally-weighted bets (diversification grade A). In short, the two funds hold almost none of the same securities — they are complementary, not redundant.
The same companies, in both funds
These 0 holdings appear in both SOXX and VBR. The weight columns show how much of each fund each name represents.
| Holding | in SOXX | in VBR |
|---|
Only in SOXX
iShares Semiconductor ETF — semiconductors. Its biggest holdings that VBR doesn’t have:
| AMD ADVANCED MICRO DEVICES INC | 8.57% |
| NVDA NVIDIA CORP | 8.42% |
| MU MICRON TECHNOLOGY INC | 8.21% |
| AVGO BROADCOM INC | 7.91% |
| INTC INTEL CORPORATION | 5.24% |
| AMAT APPLIED MATERIAL INC | 5.08% |
| TSM TAIWAN SEMICONDUCTOR MANUFACTURING | 4.57% |
| KLAC KLA CORP | 4.28% |
Only in VBR
Vanguard Small-Cap Value ETF — US small-cap value. Its biggest holdings that SOXX doesn’t have:
| JBL Jabil Inc. | 0.87% |
| NRG NRG Energy Inc. | 0.66% |
| TPR Tapestry Inc. | 0.63% |
| ATO Atmos Energy Corp. | 0.61% |
| WSM Williams-Sonoma Inc. | 0.58% |
| MRNA Moderna Inc. | 0.53% |
| SW Smurfit Westrock plc | 0.52% |
| FFIV F5 Networks Inc. | 0.50% |
So — essentially different. Should you hold both?
SOXX and VBR hold almost none of the same securities — they are complementary, not redundant. Held together they genuinely broaden your exposure — a 50/50 blend reaches ~77 effective positions (grade A), because they hold largely different securities.
Holdings as of — SOXX: Jul 30, 2026 (iShares (BlackRock)); VBR: Jun 30, 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 VBR — FAQ
- How much do SOXX and VBR overlap?
- SOXX and VBR overlap by approximately 0% measured by portfolio weight — that is the share of the smaller fund's holdings (by weight) that also sit inside the other. 0 of SOXX's 10 largest holdings are also held by VBR. They share 0 of their listed top holdings in total.
- Is it redundant to hold both SOXX and VBR?
- Because they hold almost none of the same securities — they are complementary, not redundant, holding both is not redundant — each fund covers largely different holdings, so together they broaden your exposure. A 50/50 blend has an effective 77 positions and a A diversification grade.
- What does VBR hold that SOXX doesn't?
- VBR's largest holdings that SOXX doesn't hold include JBL, NRG, TPR, ATO, WSM. Its category is US small-cap value, versus SOXX's semiconductors.
- Which is more concentrated, SOXX or VBR?
- SOXX's top 10 holdings are 61% of its listed weight; VBR's are 29%. The more concentrated fund leans harder on its largest names.