IWBUS equity
iShares Russell 1000 ETF
1,029holdings
0.15%annual fee
USmarket
Valuation892 companies covered
26.4×P / E96% by weight
5.15×P / B85% by weight
3.8%Earnings yield
ETF comparisons / IWB vs SPY
US equity comparison · Holdings dated 2026-10-29
IWB vs SPY
iShares Russell 1000 ETF compared with State Street SPDR S&P 500 ETF Trust
These funds provide similar company exposure.IWB has 461 companies outside the overlap; SPY has 23.
Do IWB and SPY overlap?
IWB and SPY overlap by 91.1% by weight, across 478 shared companies.
SPYUS equity
State Street SPDR S&P 500 ETF Trust
504holdings
0.09%annual fee
USmarket
Valuation492 companies covered
27.0×P / E97% by weight
5.48×P / B86% by weight
3.7%Earnings yield
Price development
Both lines rebased to 0% over their shared dates
Largest shared positions
478 companies held in both funds
IWB weight
SPY weight
| Shared company | IWB | SPY |
|---|---|---|
| Apple Inc AAPL | 7.09% | 7.66% |
| NVIDIA CORP NVDA | 7.00% | 7.77% |
| Microsoft Corp MSFT | 5.54% | 5.92% |
| ALPHABET INC GOOGL 2 share classes | 4.22% | 4.52% |
| ↳ ALPHABET INC-CL A GOOGL | 2.33% | 2.50% |
| ↳ ALPHABET INC-CL C GOOG | 1.89% | 2.02% |
| AMAZON.COM INC AMZN | 3.33% | 3.60% |
| BROADCOM INC AVGO | 2.26% | 2.47% |
| META PLATFORMS INC-CLASS A META | 1.93% | 2.07% |
| TESLA INC TSLA | 1.66% | 1.71% |
| ELI LILLY & CO LLY | 1.54% | 1.65% |
| Micron Technology Inc MU | 1.48% | 1.59% |
| BERKSHIRE HATHAWAY INC. BRK/B | 1.42% | 1.52% |
| ADVANCED MICRO DEVICES AMD | 1.30% | 1.39% |
| JPMorgan Chase & Co JPM | 1.29% | 1.37% |
| ExxonMobil Holdings Corporation 2670549D | 1.06% | 1.13% |
| Visa Inc V | 0.98% | 1.05% |
| JOHNSON & JOHNSON JNJ | 0.93% | 1.00% |
| WALMART INC. WMT | 0.75% | 0.81% |
| AbbVie Inc ABBV | 0.72% | 0.77% |
| Mastercard Inc MA | 0.72% | 0.77% |
| Costco Wholesale Corp COST | 0.62% | 0.66% |
| PALANTIR TECHNOLOGIES INC-A PLTR | 0.61% | 0.68% |
| Chevron Corp CVX | 0.60% | 0.69% |
| CISCO SYSTEMS, INC. CSCO | 0.60% | 0.64% |
| Intel Corp INTC | 0.59% | 0.69% |
| THE PROCTER & GAMBLE COMPANY PG | 0.53% | 0.56% |
IWB and SPY questions
Based on the holdings compared above
How much do IWB and SPY overlap?
IWB and SPY overlap by 91.1% by weight, across 478 shared companies.
Which companies do IWB and SPY both hold?
The largest companies held in both funds are Apple Inc, NVIDIA CORP, Microsoft Corp, ALPHABET INC, AMAZON.COM INC.
Can I hold both IWB and SPY?
Holding both means 91.1% 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 SPY cheaper?
IWB has a 0.15% expense ratio and SPY has 0.09%.
How do IWB and SPY compare on valuation?
IWB has a weighted P/E of 26.4 and SPY has a weighted P/E of 27.0.
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