IUSG vs VOO: fund overlap

ETF comparisons  /  IUSG vs VOO

equity comparison · IUSG 2026-10-12 · VOO 2026-06-30

IUSG vs VOO

iShares Core S&P U.S. Growth ETF compared with VANGUARD 500 INDEX FUND

The funds share a substantial core but differ outside it.IUSG has 239 companies outside the overlap; VOO has 365.

Do IUSG and VOO overlap?

IUSG and VOO overlap by 64.5% by weight, across 140 shared companies.

IUSGequity

iShares Core S&P U.S. Growth ETF

405holdings
0.04%annual fee
USmarket
Valuation372 companies covered
30.6×P / E98% by weight
9.90×P / B78% by weight
3.3%Earnings yield
IUSG holdings and fund profile
VOOUS equity

VANGUARD 500 INDEX FUND

520holdings
0.03%annual fee
USmarket
Valuation494 companies covered
26.7×P / E97% by weight
5.37×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

140 companies held in both funds

IUSG weight VOO weight
Shared companyIUSG VOO
NVIDIA CORP NVDA
13.92%
7.51%
Apple Inc AAPL
6.32%
6.58%
ALPHABET INC GOOGL 2 share classes
9.48%
5.83%
↳ ALPHABET INC-CL A GOOGL5.26%3.25%
↳ ALPHABET INC-CL C GOOG4.22%2.59%
Microsoft Corp MSFT
10.22%
4.29%
AMAZON.COM INC AMZN
3.44%
3.61%
BROADCOM INC AVGO
4.29%
2.77%
Micron Technology Inc MU
2.84%
2.02%
META PLATFORMS INC-CLASS A META
4.17%
1.92%
TESLA INC TSLA
1.68%
1.83%
ELI LILLY & CO LLY
2.41%
1.47%
ADVANCED MICRO DEVICES AMD
2.47%
1.47%
BERKSHIRE HATHAWAY INC. BRK/B
2.45%
1.42%
JPMorgan Chase & Co JPM
1.54%
1.25%
JOHNSON & JOHNSON JNJ
0.95%
0.95%
Applied Materials Inc AMAT
1.01%
0.89%
Visa Inc V
0.93%
0.86%
LAM RESEARCH LRCX
0.99%
0.84%
Caterpillar Inc CAT
0.94%
0.76%
Mastercard Inc MA
0.82%
0.64%
KLA Corp KLAC
0.63%
0.61%
CISCO SYSTEMS, INC. CSCO
0.61%
0.72%
AbbVie Inc ABBV
0.58%
0.69%
SANDISK CORPORATION SNDK
0.55%
0.52%
GE VERNOVA INC. GEV
0.68%
0.49%
NETFLIX INC NFLX
0.75%
0.47%

IUSG and VOO questions

Based on the holdings compared above

How much do IUSG and VOO overlap?

IUSG and VOO overlap by 64.5% by weight, across 140 shared companies.

Which companies do IUSG and VOO both hold?

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

Can I hold both IUSG and VOO?

Holding both means 64.5% 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 IUSG or VOO cheaper?

IUSG has a 0.04% expense ratio and VOO has 0.03%.

How do IUSG and VOO compare on valuation?

IUSG has a weighted P/E of 30.6 and VOO has a weighted P/E of 26.7.

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