IVV vs VONE: Holdings Overlap
iShares · 503 holdings · $901.0B · 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 (IVV: 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 IVV and VONE?
iShares Core S&P 500 ETF (IVV, by iShares) holds 503 positions; Vanguard Russell 1000 Index Fund (VONE, by Vanguard) holds 1003. They have 494 holdings in common, and by portfolio weight the two funds are 87.9% identical. In practical terms the pair is essentially interchangeable, so holding both adds little diversification.
- Overlap by Weight
- 87.9%Sum of the smaller weight of each shared holding
- Shared Holdings
- 494IVV holds 503 · VONE holds 1003
- Weight in Shared Holdings
- IVV 99%·VONE 92%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 IVV
9 of 503 positions (0.5% of the fund) are not held by VONE.
Only in VONE
509 of 1003 positions (7.3% of the fund) are not held by IVV. Showing the top 30 by weight.
Sector Breakdown
| Sector | IVV | VONE |
|---|---|---|
| Information Technology | 32.6% | 36.4% |
| Financials | 12.6% | 11.5% |
| Communication Services | 10.5% | 10.4% |
| Consumer Discretionary | 9.8% | 9.9% |
| Health Care | 9.4% | 8.5% |
| Other Sectors | 24.8% | 23.1% |
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 |
|---|---|---|---|---|---|---|---|
| IVV | +3.4% | +14.0% | +23.7% | +21.3% | +13.4% | +15.4% | 1.05% |
| 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 IVV vs VONE →
Shared Holdings(494)
The top 10 shared positions account for 40% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 7.56% | 7.15% | 7.15% |
|---|---|---|---|
 AAPLApple Inc. COM | 6.65% | 6.50% | 6.50% |
 MSFTMicrosoft Corp. COM | 4.91% | 4.83% | 4.83% |
 AMZNAmazon.com, Inc. COM | 3.63% | 3.76% | 3.63% |
 GOOGLAlphabet Inc. CAP STK CL A | 2.99% | 3.20% | 2.99% |
 AVGOBroadcom Inc COM | 2.62% | 2.98% | 2.62% |
 GOOGAlphabet Inc. CAP STK CL C | 2.39% | 2.57% | 2.39% |
 METAMeta Platforms, Inc., Class A | 2.23% | 2.00% | 2.00% |
 TSLATesla Inc COM | 1.87% | 1.78% | 1.78% |
 LLYEli Lilly & Co. COM | 1.30% | 1.28% | 1.28% |
 BRK-BBerkshire Hathaway, Inc., Class B | 1.57% | 1.27% | 1.27% |
 JPMJPMorgan Chase & Co. COM | 1.42% | 1.10% | 1.10% |
 XOMExxon Mobil Corp. COM | 1.27% | 0.89% | 0.89% |
 VVisa, Inc., Class A | 0.91% | 0.79% | 0.79% |
 JNJJohnson & Johnson COM | 1.05% | 0.78% | 0.78% |
 WMTWalmart Inc COM | 0.97% | 0.73% | 0.73% |
 MUMicron Technology Inc. COM | 0.68% | 1.57% | 0.68% |
 COSTCostco Wholesale Corporation COM | 0.79% | 0.61% | 0.61% |
 AMDAdvanced Micro Devices Inc. COM | 0.59% | 1.20% | 0.59% |
 CATCaterpillar Inc COM | 0.59% | 0.59% | 0.59% |
 MAMasterCard Incorporated CL A | 0.73% | 0.58% | 0.58% |
 ABBVAbbVie Inc. COM | 0.69% | 0.56% | 0.56% |
 CSCOCisco Systems, Inc. COM | 0.55% | 0.69% | 0.55% |
 NFLXNetflix, Inc. COM | 0.72% | 0.53% | 0.53% |
 PLTRPalantir Technologies, Inc., Class A | 0.60% | 0.49% | 0.49% |
Showing the top 250 of 494 shared holdings by overlap weight.
Frequently Asked Questions
How much do IVV and VONE overlap?
IVV and VONE overlap by 87.9% of portfolio weight. They share 494 holdings (IVV holds 503 positions and VONE holds 1003), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IVV and VONE?
The two portfolios are 87.9% 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 IVV and VONE?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 40% of the total overlap.
What does IVV own that VONE doesn't?
9 positions (0.5% of IVV) are unique to IVV, led by STX, TEL and NXPI. In the other direction, 509 positions (7.3% of VONE) are unique to VONE.