IWBUS equity
iShares Russell 1000 ETF
1,023holdings
0.15%annual fee
USmarket
Valuation900 companies covered
26.5×P / E96% by weight
5.09×P / B85% by weight
3.8%Earnings yield
ETF comparisons / IWB vs VOO
US equity comparison · IWB 2026-09-11 · VOO 2026-06-30
IWB vs VOO
iShares Russell 1000 ETF compared with VANGUARD 500 INDEX FUND
These funds provide similar company exposure.IWB has 463 companies outside the overlap; VOO has 28.
Do IWB and VOO overlap?
IWB and VOO overlap by 87.2% by weight, across 477 shared companies.
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
Price development
Both lines rebased to 0% over their shared dates
Largest shared positions
477 companies held in both funds
IWB weight
VOO weight
| Shared company | IWB | VOO |
|---|---|---|
| NVIDIA CORP NVDA | 7.20% | 7.51% |
| Apple Inc AAPL | 6.79% | 6.58% |
| ALPHABET INC GOOGL 2 share classes | 5.04% | 5.83% |
| ↳ ALPHABET INC-CL A GOOGL | 2.78% | 3.25% |
| ↳ ALPHABET INC-CL C GOOG | 2.26% | 2.59% |
| Microsoft Corp MSFT | 5.20% | 4.29% |
| AMAZON.COM INC AMZN | 3.51% | 3.61% |
| BROADCOM INC AVGO | 2.38% | 2.77% |
| META PLATFORMS INC-CLASS A META | 2.02% | 1.92% |
| Micron Technology Inc MU | 1.56% | 2.02% |
| TESLA INC TSLA | 1.51% | 1.83% |
| BERKSHIRE HATHAWAY INC. BRK/B | 1.34% | 1.42% |
| ELI LILLY & CO LLY | 1.26% | 1.47% |
| JPMorgan Chase & Co JPM | 1.35% | 1.25% |
| ADVANCED MICRO DEVICES AMD | 1.19% | 1.47% |
| JOHNSON & JOHNSON JNJ | 0.91% | 0.95% |
| Visa Inc V | 0.87% | 0.86% |
| WALMART INC. WMT | 0.67% | 0.77% |
| Intel Corp INTC | 0.67% | 1.02% |
| Mastercard Inc MA | 0.65% | 0.64% |
| AbbVie Inc ABBV | 0.64% | 0.69% |
| CISCO SYSTEMS, INC. CSCO | 0.63% | 0.72% |
| Bank of America Corp BAC | 0.59% | 0.58% |
| Costco Wholesale Corp COST | 0.57% | 0.64% |
| LAM RESEARCH LRCX | 0.53% | 0.84% |
| Caterpillar Inc CAT | 0.53% | 0.76% |
| Applied Materials Inc AMAT | 0.51% | 0.89% |
IWB and VOO questions
Based on the holdings compared above
How much do IWB and VOO overlap?
IWB and VOO overlap by 87.2% by weight, across 477 shared companies.
Which companies do IWB 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 IWB and VOO?
Holding both means 87.2% 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 IWB or VOO cheaper?
IWB has a 0.15% expense ratio and VOO has 0.03%.
How do IWB and VOO compare on valuation?
IWB has a weighted P/E of 26.5 and VOO has a weighted P/E of 26.8.
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