ITOT vs VONE: Holdings Overlap
ITOTiShares Core S&P Total U.S. Stock Market ETF
iShares · 2487 holdings · $97.6B · as of 2026-03-31
VONEVanguard Russell 1000 Index Fund
Vanguard · 1003 holdings · $8.6B · as of 2026-05-31
Holdings snapshots are 61 days apart (ITOT: 2026-03-31, VONE: 2026-05-31). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are ITOT and VONE?
iShares Core S&P Total U.S. Stock Market ETF (ITOT, by iShares) holds 2487 positions; Vanguard Russell 1000 Index Fund (VONE, by Vanguard) holds 1003. They have 974 holdings in common, and by portfolio weight the two funds are 89.3% identical. In practical terms the pair is essentially interchangeable, so holding both adds little diversification.
- Overlap by Weight
- 89.3%Sum of the smaller weight of each shared holding
- Shared Holdings
- 974ITOT holds 2487 · VONE holds 1003
- Weight in Shared Holdings
- ITOT 94%·VONE 99%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in ITOT
1513 of 2487 positions (5.3% of the fund) are not held by VONE. Showing the top 30 by weight.
Only in VONE
29 of 1003 positions (0.5% of the fund) are not held by ITOT.
Sector Breakdown
| Sector | ITOT | VONE |
|---|---|---|
| Information Technology | 30.8% | 36.4% |
| Financials | 12.9% | 11.5% |
| Communication Services | 9.7% | 10.4% |
| Industrials | 10.2% | 9.2% |
| Health Care | 9.9% | 8.5% |
| Other Sectors | 26.2% | 23.8% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| ITOT | +3.3% | +14.6% | +24.1% | +20.9% | +12.3% | +14.9% | 0.97% |
| VONE | +3.4% | +13.9% | +23.3% | +21.0% | +12.7% | +15.1% | 0.99% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in ITOT vs VONE →
Shared Holdings(974)
The top 10 shared positions account for 36% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 6.69% | 7.15% | 6.69% |
|---|---|---|---|
 AAPLApple Inc. COM | 5.88% | 6.50% | 5.88% |
 MSFTMicrosoft Corp. COM | 4.34% | 4.83% | 4.34% |
 AMZNAmazon.com, Inc. COM | 3.21% | 3.76% | 3.21% |
 GOOGLAlphabet Inc. CAP STK CL A | 2.64% | 3.20% | 2.64% |
 AVGOBroadcom Inc COM | 2.32% | 2.98% | 2.32% |
 GOOGAlphabet Inc. CAP STK CL C | 2.12% | 2.57% | 2.12% |
 METAMeta Platforms, Inc., Class A | 1.98% | 2.00% | 1.98% |
 TSLATesla Inc COM | 1.65% | 1.78% | 1.65% |
 BRK-BBerkshire Hathaway, Inc., Class B | 1.39% | 1.27% | 1.27% |
 LLYEli Lilly & Co. COM | 1.15% | 1.28% | 1.15% |
 JPMJPMorgan Chase & Co. COM | 1.25% | 1.10% | 1.10% |
 XOMExxon Mobil Corp. COM | 1.12% | 0.89% | 0.89% |
 VVisa, Inc., Class A | 0.80% | 0.79% | 0.79% |
 JNJJohnson & Johnson COM | 0.93% | 0.78% | 0.78% |
 WMTWalmart Inc COM | 0.86% | 0.73% | 0.73% |
 COSTCostco Wholesale Corporation COM | 0.70% | 0.61% | 0.61% |
 MUMicron Technology Inc. COM | 0.60% | 1.57% | 0.60% |
 MAMasterCard Incorporated CL A | 0.64% | 0.58% | 0.58% |
 ABBVAbbVie Inc. COM | 0.61% | 0.56% | 0.56% |
 NFLXNetflix, Inc. COM | 0.64% | 0.53% | 0.53% |
 AMDAdvanced Micro Devices Inc. COM | 0.52% | 1.20% | 0.52% |
 CATCaterpillar Inc COM | 0.52% | 0.59% | 0.52% |
 PLTRPalantir Technologies, Inc., Class A | 0.53% | 0.49% | 0.49% |
 CVXChevron Corp. COM | 0.61% | 0.49% | 0.49% |
Showing the top 250 of 974 shared holdings by overlap weight.
Frequently Asked Questions
How much do ITOT and VONE overlap?
ITOT and VONE overlap by 89.3% of portfolio weight. They share 974 holdings (ITOT holds 2487 positions and VONE holds 1003), based on each fund's latest SEC-reported holdings.
Is it redundant to own both ITOT and VONE?
The two portfolios are 89.3% identical by weight. Owning both is largely redundant: they are close to the same portfolio, so a second position mostly duplicates the first.
What are the biggest shared holdings of ITOT and VONE?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 36% of the total overlap.
What does ITOT own that VONE doesn't?
1513 positions (5.3% of ITOT) are unique to ITOT, led by STX, TEL and NXPI. In the other direction, 29 positions (0.5% of VONE) are unique to VONE.