IVV vs VONG: Holdings Overlap
iShares · 503 holdings · $901.0B · as of 2026-03-31
VONGVanguard Russell 1000 Growth Index Fund
Vanguard · 387 holdings · $45.7B · as of 2026-05-31
Holdings snapshots are 61 days apart (IVV: 2026-03-31, VONG: 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 VONG?
iShares Core S&P 500 ETF (IVV, by iShares) holds 503 positions; Vanguard Russell 1000 Growth Index Fund (VONG, by Vanguard) holds 387. They have 188 holdings in common, and by portfolio weight the two funds are 57.0% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 57.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 188IVV holds 503 · VONG holds 387
- Weight in Shared Holdings
- IVV 65%·VONG 95%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
315 of 503 positions (34.5% of the fund) are not held by VONG. Showing the top 30 by weight.
Only in VONG
199 of 387 positions (4.5% of the fund) are not held by IVV. Showing the top 30 by weight.
Sector Breakdown
| Sector | IVV | VONG |
|---|---|---|
| Information Technology | 32.6% | 52.8% |
| Consumer Discretionary | 9.8% | 12.7% |
| Financials | 12.6% | 5.1% |
| Communication Services | 10.5% | 12.5% |
| Health Care | 9.4% | 6.9% |
| Other Sectors | 24.8% | 9.9% |
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% |
| VONG | +2.7% | +5.6% | +13.3% | +22.2% | +12.8% | +17.9% | 0.45% |
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 VONG →
Shared Holdings(188)
The top 10 shared positions account for 63% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 7.56% | 13.07% | 7.56% |
|---|---|---|---|
 AAPLApple Inc. COM | 6.65% | 11.95% | 6.65% |
 MSFTMicrosoft Corp. COM | 4.91% | 8.96% | 4.91% |
 AMZNAmazon.com, Inc. COM | 3.63% | 5.06% | 3.63% |
 GOOGLAlphabet Inc. CAP STK CL A | 2.99% | 3.91% | 2.99% |
 AVGOBroadcom Inc COM | 2.62% | 5.77% | 2.62% |
 GOOGAlphabet Inc. CAP STK CL C | 2.39% | 3.15% | 2.39% |
 METAMeta Platforms, Inc., Class A | 2.23% | 3.19% | 2.23% |
 TSLATesla Inc COM | 1.87% | 3.48% | 1.87% |
 LLYEli Lilly & Co. COM | 1.30% | 2.67% | 1.30% |
 VVisa, Inc., Class A | 0.91% | 1.57% | 0.91% |
 COSTCostco Wholesale Corporation COM | 0.79% | 1.28% | 0.79% |
 MAMasterCard Incorporated CL A | 0.73% | 1.20% | 0.73% |
 NFLXNetflix, Inc. COM | 0.72% | 1.10% | 0.72% |
 ABBVAbbVie Inc. COM | 0.69% | 1.16% | 0.69% |
 PLTRPalantir Technologies, Inc., Class A | 0.60% | 1.03% | 0.60% |
 AMDAdvanced Micro Devices Inc. COM | 0.59% | 1.47% | 0.59% |
 HDHome Depot, Inc. (The) | 0.58% | 0.73% | 0.58% |
 GEGeneral Electric Co. | 0.53% | 1.01% | 0.53% |
 LRCXLam Research Corporation COM NEW | 0.48% | 1.20% | 0.48% |
 KOCoca-Cola Co (The) COM | 0.53% | 0.45% | 0.45% |
 ORCLOracle Corp. COM | 0.45% | 1.15% | 0.45% |
 GEVGE Vernova Inc. COM | 0.42% | 0.79% | 0.42% |
 KLACKLA Corp. COM NEW | 0.34% | 0.76% | 0.34% |
 AMGNAmgen Inc. COM | 0.34% | 0.40% | 0.34% |
Frequently Asked Questions
How much do IVV and VONG overlap?
IVV and VONG overlap by 57.0% of portfolio weight. They share 188 holdings (IVV holds 503 positions and VONG holds 387), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IVV and VONG?
The two portfolios are 57.0% identical by weight. Owning both is defensible: they share a meaningful core, but each fund adds exposure the other lacks.
What are the biggest shared holdings of IVV and VONG?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 63% of the total overlap.
What does IVV own that VONG doesn't?
315 positions (34.5% of IVV) are unique to IVV, led by BRK-B, JPM and XOM. In the other direction, 199 positions (4.5% of VONG) are unique to VONG.