IYW vs VOO: fund overlap

ETF comparisons  /  IYW vs VOO

equity comparison · IYW 2026-09-10 · VOO 2026-06-30

IYW vs VOO

iShares U.S. Technology ETF compared with VANGUARD 500 INDEX FUND

The funds share a substantial core but differ outside it.IYW has 86 companies outside the overlap; VOO has 441.

Do IYW and VOO overlap?

IYW and VOO overlap by 43.8% by weight, across 64 shared companies.

IYWequity

iShares U.S. Technology ETF

154holdings
0.38%annual fee
USmarket
Valuation136 companies covered
33.7×P / E94% by weight
11.71×P / B80% by weight
3.0%Earnings yield
IYW holdings and fund profile
VOOUS equity

VANGUARD 500 INDEX FUND

520holdings
0.03%annual fee
USmarket
Valuation494 companies covered
26.8×P / E97% by weight
5.46×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

64 companies held in both funds

IYW weight VOO weight
Shared companyIYW VOO
NVIDIA CORP NVDA
14.10%
7.51%
Apple Inc AAPL
13.20%
6.58%
ALPHABET INC GOOGL 2 share classes
9.91%
5.83%
↳ ALPHABET INC-CL A GOOGL5.48%3.25%
↳ ALPHABET INC-CL C GOOG4.44%2.59%
Microsoft Corp MSFT
10.75%
4.29%
BROADCOM INC AVGO
4.07%
2.77%
Micron Technology Inc MU
3.35%
2.02%
META PLATFORMS INC-CLASS A META
4.17%
1.92%
ADVANCED MICRO DEVICES AMD
3.08%
1.47%
Intel Corp INTC
2.27%
1.02%
Applied Materials Inc AMAT
1.78%
0.89%
LAM RESEARCH LRCX
1.85%
0.84%
KLA Corp KLAC
1.15%
0.61%
SANDISK CORPORATION SNDK
1.22%
0.52%
Palo Alto Networks Inc PANW
1.35%
0.43%
Texas Instruments Inc TXN
1.17%
0.42%
PALANTIR TECHNOLOGIES INC-A PLTR
1.83%
0.42%
INTERNATIONAL BUSINESS MACHINES CORPORATION IBM
1.09%
0.41%
MARVELL TECHNOLOGY, INC. MRVL
0.98%
0.40%
Oracle Corp ORCL
1.30%
0.39%
WESTERN DIGITAL CORPORATION WDC
0.77%
0.34%
Amphenol Corp APH
0.98%
0.34%
CORNING INCORPORATED GLW
0.64%
0.31%
QUALCOMM Inc QCOM
0.92%
0.30%
CROWDSTRIKE HOLDINGS INC - A CRWD
1.04%
0.30%
ANALOG DEVICES, INC. ADI
0.87%
0.30%

IYW and VOO questions

Based on the holdings compared above

How much do IYW and VOO overlap?

IYW and VOO overlap by 43.8% by weight, across 64 shared companies.

Which companies do IYW and VOO both hold?

The largest companies held in both funds are NVIDIA CORP, Apple Inc, ALPHABET INC, Microsoft Corp, BROADCOM INC.

Can I hold both IYW and VOO?

Holding both means 43.8% 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 IYW or VOO cheaper?

IYW has a 0.38% expense ratio and VOO has 0.03%.

How do IYW and VOO compare on valuation?

IYW has a weighted P/E of 33.7 and VOO has a weighted P/E of 26.8.

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