IWF vs VOO: fund overlap

ETF comparisons  /  IWF vs VOO

US growth comparison · IWF 2026-09-10 · VOO 2026-06-30

IWF vs VOO

iShares Russell 1000 Growth ETF compared with VANGUARD 500 INDEX FUND

The funds share a substantial core but differ outside it.IWF has 150 companies outside the overlap; VOO has 342.

Do IWF and VOO overlap?

IWF and VOO overlap by 57.0% by weight, across 163 shared companies.

IWFUS growth

iShares Russell 1000 Growth ETF

370holdings
0.18%annual fee
USmarket
Valuation288 companies covered
32.6×P / E96% by weight
14.77×P / B80% by weight
3.1%Earnings yield
IWF 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

163 companies held in both funds

IWF weight VOO weight
Shared companyIWF VOO
NVIDIA CORP NVDA
15.46%
7.51%
Apple Inc AAPL
7.77%
6.58%
ALPHABET INC GOOGL 2 share classes
10.65%
5.83%
↳ ALPHABET INC-CL A GOOGL5.88%3.25%
↳ ALPHABET INC-CL C GOOG4.77%2.59%
Microsoft Corp MSFT
5.55%
4.29%
BROADCOM INC AVGO
5.10%
2.77%
Micron Technology Inc MU
3.35%
2.02%
META PLATFORMS INC-CLASS A META
3.52%
1.92%
TESLA INC TSLA
3.22%
1.83%
ELI LILLY & CO LLY
2.72%
1.47%
ADVANCED MICRO DEVICES AMD
2.49%
1.47%
Applied Materials Inc AMAT
1.09%
0.89%
Visa Inc V
1.84%
0.86%
LAM RESEARCH LRCX
1.13%
0.84%
Caterpillar Inc CAT
1.11%
0.76%
Mastercard Inc MA
1.39%
0.64%
AMAZON.COM INC AMZN
0.62%
3.61%
KLA Corp KLAC
0.70%
0.61%
Home Depot Inc/The HD
0.69%
0.54%
Costco Wholesale Corp COST
0.53%
0.64%
SANDISK CORPORATION SNDK
0.75%
0.52%
GE VERNOVA INC. GEV
0.75%
0.49%
NETFLIX INC NFLX
0.97%
0.47%
Palo Alto Networks Inc PANW
0.83%
0.43%
Texas Instruments Inc TXN
0.71%
0.42%
PALANTIR TECHNOLOGIES INC-A PLTR
1.12%
0.42%

IWF and VOO questions

Based on the holdings compared above

How much do IWF and VOO overlap?

IWF and VOO overlap by 57.0% by weight, across 163 shared companies.

Which companies do IWF 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 IWF and VOO?

Holding both means 57.0% 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 IWF or VOO cheaper?

IWF has a 0.18% expense ratio and VOO has 0.03%.

How do IWF and VOO compare on valuation?

IWF has a weighted P/E of 32.6 and VOO has a weighted P/E of 26.8.

Compare your own portfolio

See the companies and duplicated exposure across every fund you hold.

Open the analyzer