SOXX vs VOO: fund overlap

ETF comparisons  /  SOXX vs VOO

equity comparison · SOXX 2026-08-27 · VOO 2026-06-30

SOXX vs VOO

iShares PHLX SOX Semiconductor Sector Index Fund compared with VANGUARD 500 INDEX FUND

Most company exposure is different between these funds.SOXX has 14 companies outside the overlap; VOO has 487.
SOXXequity

iShares PHLX SOX Semiconductor Sector Index Fund

34holdings
0.34%annual fee
USmarket
Valuation30 companies covered
34.9×P / E93% by weight
10.56×P / B100% by weight
2.9%Earnings yield
SOXX holdings and fund profile
VOOUS equity

VANGUARD 500 INDEX FUND

520holdings
0.03%annual fee
USmarket
Valuation494 companies covered
27.2×P / E97% by weight
5.57×P / B85% by weight
3.7%Earnings yield
VOO holdings and fund profile

Price development

Both lines rebased to 0% over their shared dates

Largest shared positions

18 companies held in both funds

SOXX weight VOO weight
Shared companySOXX VOO
NVIDIA CORP NVDA
9.46%
7.51%
BROADCOM INC AVGO
7.28%
2.77%
Micron Technology Inc MU
8.44%
2.02%
ADVANCED MICRO DEVICES AMD
8.09%
1.47%
Intel Corp INTC
5.09%
1.02%
Applied Materials Inc AMAT
4.69%
0.89%
LAM RESEARCH LRCX
4.38%
0.84%
KLA Corp KLAC
4.19%
0.61%
Texas Instruments Inc TXN
3.82%
0.42%
MARVELL TECHNOLOGY, INC. MRVL
5.16%
0.40%
QUALCOMM Inc QCOM
2.87%
0.30%
ANALOG DEVICES, INC. ADI
3.96%
0.30%
TERADYNE INC TER
3.15%
0.12%
NXP Semiconductors N.V. NXPI
3.08%
0.11%
MONOLITHIC POWER SYSTEMS, INC. MPWR US
3.38%
0.11%
MICROCHIP TECHNOLOGY INCORPORATED MCHP
2.19%
0.08%
ON Semiconductor Corp ON
1.59%
0.06%
Skyworks Solutions Inc SWKS
0.55%
0.02%

SOXX and VOO questions

Based on the holdings compared above

How much do SOXX and VOO overlap?

SOXX and VOO overlap by 19.0% by weight, across 18 shared companies.

Which companies do SOXX and VOO both hold?

The largest companies held in both funds are NVIDIA CORP, BROADCOM INC, Micron Technology Inc, ADVANCED MICRO DEVICES, Intel Corp.

Can I hold both SOXX and VOO?

Holding both means 19.0% of that part of your portfolio is the same companies counted twice. That can suit you or not depending on your goals; this tool reports the overlap rather than giving advice.

Is SOXX or VOO cheaper?

SOXX has a 0.34% expense ratio and VOO has 0.03%.

How do SOXX and VOO compare on valuation?

SOXX has a weighted P/E of 34.9 and VOO has a weighted P/E of 27.2.

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