ITOTUS equity
iShares Core S&P Total U.S. Stock Market ETF
2,462holdings
0.03%annual fee
USmarket
Valuation1,094 companies covered
27.0×P / E95% by weight
5.09×P / B84% by weight
3.7%Earnings yield
ETF comparisons / ITOT vs VOO
US equity comparison · ITOT 2026-10-12 · VOO 2026-06-30
ITOT vs VOO
iShares Core S&P Total U.S. Stock Market ETF compared with VANGUARD 500 INDEX FUND
These funds provide similar company exposure.ITOT has 667 companies outside the overlap; VOO has 24.
Do ITOT and VOO overlap?
ITOT and VOO overlap by 85.3% by weight, across 481 shared companies.
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
Price development
Both lines rebased to 0% over their shared dates
Largest shared positions
481 companies held in both funds
ITOT weight
VOO weight
| Shared company | ITOT | VOO |
|---|---|---|
| NVIDIA CORP NVDA | 7.38% | 7.51% |
| Apple Inc AAPL | 6.71% | 6.58% |
| ALPHABET INC GOOGL 2 share classes | 5.02% | 5.83% |
| ↳ ALPHABET INC-CL A GOOGL | 2.79% | 3.25% |
| ↳ ALPHABET INC-CL C GOOG | 2.24% | 2.59% |
| Microsoft Corp MSFT | 5.42% | 4.29% |
| AMAZON.COM INC AMZN | 3.44% | 3.61% |
| BROADCOM INC AVGO | 2.28% | 2.77% |
| META PLATFORMS INC-CLASS A META | 2.21% | 1.92% |
| Micron Technology Inc MU | 1.50% | 2.02% |
| TESLA INC TSLA | 1.43% | 1.83% |
| ADVANCED MICRO DEVICES AMD | 1.31% | 1.47% |
| BERKSHIRE HATHAWAY INC. BRK/B | 1.30% | 1.42% |
| ELI LILLY & CO LLY | 1.27% | 1.47% |
| JPMorgan Chase & Co JPM | 1.20% | 1.25% |
| Visa Inc V | 0.89% | 0.86% |
| JOHNSON & JOHNSON JNJ | 0.85% | 0.95% |
| WALMART INC. WMT | 0.68% | 0.77% |
| Intel Corp INTC | 0.68% | 1.02% |
| AbbVie Inc ABBV | 0.67% | 0.69% |
| Mastercard Inc MA | 0.65% | 0.64% |
| CISCO SYSTEMS, INC. CSCO | 0.61% | 0.72% |
| Costco Wholesale Corp COST | 0.57% | 0.64% |
| Applied Materials Inc AMAT | 0.53% | 0.89% |
| LAM RESEARCH LRCX | 0.52% | 0.84% |
| Caterpillar Inc CAT | 0.50% | 0.76% |
| Merck & Co Inc MRK | 0.49% | 0.49% |
ITOT and VOO questions
Based on the holdings compared above
How much do ITOT and VOO overlap?
ITOT and VOO overlap by 85.3% by weight, across 481 shared companies.
Which companies do ITOT 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 ITOT and VOO?
Holding both means 85.3% 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 ITOT or VOO cheaper?
ITOT has a 0.03% expense ratio and VOO has 0.03%.
How do ITOT and VOO compare on valuation?
ITOT has a weighted P/E of 27.0 and VOO has a weighted P/E of 26.7.
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