SOXX vs VXUS: how much do they really overlap?
SOXX (iShares Semiconductor ETF, tracking the NYSE Semiconductor) and VXUS (Vanguard Total International Stock ETF, tracking the FTSE Global All Cap ex US) overlap by roughly 5% by weight. 0 of SOXX's top 10 holdings also appear in VXUS. A 50/50 blend of the two behaves like about 76 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 1 holdings appear in both SOXX and VXUS. The weight columns show how much of each fund each name represents.
| Holding | in SOXX | in VXUS |
|---|---|---|
| ASML ASML HOLDING ADR REPRESENTING NV | 2.30% | 1.38% |
Only in SOXX
iShares Semiconductor ETF — semiconductors. Its biggest holdings that VXUS doesn’t have:
| MU MICRON TECHNOLOGY INC | 8.54% |
| AMD ADVANCED MICRO DEVICES INC | 8.09% |
| NVDA NVIDIA CORP | 6.81% |
| INTC INTEL CORPORATION | 6.33% |
| AVGO BROADCOM INC | 6.08% |
| AMAT APPLIED MATERIAL INC | 5.77% |
| KLAC KLA CORP | 5.64% |
| LRCX LAM RESEARCH CORP | 4.89% |
Only in VXUS
Vanguard Total International Stock ETF — total ex-US. Its biggest holdings that SOXX doesn’t have:
| 2330 Taiwan Semiconductor Manufacturing Co. Ltd. | 3.95% |
| 005930 Samsung Electronics Co. Ltd. | 2.17% |
| 000660 SK hynix Inc | 1.85% |
| 700 Tencent Holdings Ltd. | 0.74% |
| HSBA HSBC Holdings plc | 0.71% |
| ROP Roche Holding AG | 0.65% |
| NOVN Novartis AG | 0.63% |
| AZN AstraZeneca plc | 0.61% |
So — essentially different. Should you hold both?
SOXX and VXUS hold almost none of the same securities — they are complementary, not redundant. Held together they genuinely broaden your exposure — a 50/50 blend reaches ~76 effective positions (grade A), because they hold largely different securities.
Holdings as of — SOXX: Jun 30, 2026 (iShares (BlackRock)); VXUS: 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 VXUS — FAQ
- How much do SOXX and VXUS overlap?
- SOXX and VXUS overlap by approximately 5% 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 VXUS. They share 1 of their listed top holdings in total.
- Is it redundant to hold both SOXX and VXUS?
- 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 76 positions and a A diversification grade.
- What does VXUS hold that SOXX doesn't?
- VXUS's largest holdings that SOXX doesn't hold include 2330, 005930, 000660, 700, HSBA. Its category is total ex-US, versus SOXX's semiconductors.
- Which is more concentrated, SOXX or VXUS?
- SOXX's top 10 holdings are 61% of its listed weight; VXUS's are 49%. The more concentrated fund leans harder on its largest names.