VONE vs IWB: Holdings Overlap
VONEVanguard Russell 1000 Index Fund
Vanguard · 1003 holdings · $8.6B · as of 2026-05-31
iShares · 1005 holdings · $49.9B · as of 2026-03-31
Holdings snapshots are 61 days apart (VONE: 2026-05-31, IWB: 2026-03-31). 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 VONE and IWB?
Vanguard Russell 1000 Index Fund (VONE, by Vanguard) holds 1003 positions; iShares Russell 1000 ETF (IWB, by iShares) holds 1005. They have 998 holdings in common, and by portfolio weight the two funds are 91.8% identical. In practical terms the pair is essentially interchangeable, so holding both adds little diversification.
- Overlap by Weight
- 91.8%Sum of the smaller weight of each shared holding
- Shared Holdings
- 998VONE holds 1003 · IWB holds 1005
- Weight in Shared Holdings
- VONE 100%·IWB 100%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 VONE
5 of 1003 positions (0.1% of the fund) are not held by IWB.
Sector Breakdown
| Sector | VONE | IWB |
|---|---|---|
| Information Technology | 36.4% | 30.9% |
| Financials | 11.5% | 12.9% |
| Communication Services | 10.4% | 10.2% |
| Consumer Discretionary | 9.9% | 10.0% |
| Industrials | 9.2% | 9.9% |
| Other Sectors | 22.4% | 26.0% |
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 |
|---|---|---|---|---|---|---|---|
| VONE | +3.4% | +13.9% | +23.3% | +21.0% | +12.7% | +15.1% | 0.99% |
| IWB | +3.4% | +13.9% | +23.1% | +20.9% | +12.6% | +15.0% | 0.89% |
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 VONE vs IWB →
Shared Holdings(998)
The top 10 shared positions account for 36% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 7.15% | 6.81% | 6.81% |
|---|---|---|---|
 AAPLApple Inc. COM | 6.50% | 6.10% | 6.10% |
 MSFTMicrosoft Corp. COM | 4.83% | 4.58% | 4.58% |
 AMZNAmazon.com, Inc. COM | 3.76% | 3.33% | 3.33% |
 GOOGLAlphabet Inc. CAP STK CL A | 3.20% | 2.79% | 2.79% |
 AVGOBroadcom Inc COM | 2.98% | 2.39% | 2.39% |
 GOOGAlphabet Inc. CAP STK CL C | 2.57% | 2.27% | 2.27% |
 METAMeta Platforms, Inc., Class A | 2.00% | 2.08% | 2.00% |
 TSLATesla Inc COM | 1.78% | 1.75% | 1.75% |
 BRK-BBerkshire Hathaway, Inc., Class B | 1.27% | 1.47% | 1.27% |
 LLYEli Lilly & Co. COM | 1.28% | 1.23% | 1.23% |
 JPMJPMorgan Chase & Co. COM | 1.10% | 1.33% | 1.10% |
 XOMExxon Mobil Corp. COM | 0.89% | 1.20% | 0.89% |
 VVisa, Inc., Class A | 0.79% | 0.85% | 0.79% |
 JNJJohnson & Johnson COM | 0.78% | 0.98% | 0.78% |
 WMTWalmart Inc COM | 0.73% | 0.90% | 0.73% |
 MUMicron Technology Inc. COM | 1.57% | 0.63% | 0.63% |
 COSTCostco Wholesale Corporation COM | 0.61% | 0.74% | 0.61% |
 MAMasterCard Incorporated CL A | 0.58% | 0.67% | 0.58% |
 ABBVAbbVie Inc. COM | 0.56% | 0.64% | 0.56% |
 CATCaterpillar Inc COM | 0.59% | 0.55% | 0.55% |
 AMDAdvanced Micro Devices Inc. COM | 1.20% | 0.55% | 0.55% |
 NFLXNetflix, Inc. COM | 0.53% | 0.68% | 0.53% |
 CSCOCisco Systems, Inc. COM | 0.69% | 0.52% | 0.52% |
 PLTRPalantir Technologies, Inc., Class A | 0.49% | 0.53% | 0.49% |
Showing the top 250 of 998 shared holdings by overlap weight.
Frequently Asked Questions
How much do VONE and IWB overlap?
VONE and IWB overlap by 91.8% of portfolio weight. They share 998 holdings (VONE holds 1003 positions and IWB holds 1005), based on each fund's latest SEC-reported holdings.
Is it redundant to own both VONE and IWB?
The two portfolios are 91.8% 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 VONE and IWB?
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 VONE own that IWB doesn't?
5 positions (0.1% of VONE) are unique to VONE, led by CCL, CRBG and VGNT. In the other direction, 7 positions (0.1% of IWB) are unique to IWB.