IVW vs VOO: Holdings Overlap
iShares · 143 holdings · $77.3B · as of 2026-03-31
Vanguard · 504 holdings · $1.03T · as of 2026-03-31
How similar are IVW and VOO?
iShares S&P 500 Growth ETF (IVW, by iShares) holds 143 positions; Vanguard 500 Index Fund (VOO, by Vanguard) holds 504. They have 143 holdings in common, and by portfolio weight the two funds are 63.8% identical. In practical terms the pair is heavily overlapping, with largely the same stocks driving both funds.
- Overlap by Weight
- 63.8%Sum of the smaller weight of each shared holding
- Shared Holdings
- 143IVW holds 143 · VOO holds 504
- Weight in Shared Holdings
- IVW 100%·VOO 64%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 IVW
Every position in IVW is also held by VOO, so it brings nothing the other fund doesn’t already own.
Sector Breakdown
| Sector | IVW | VOO |
|---|---|---|
| Information Technology | 47.7% | 32.7% |
| Communication Services | 16.8% | 10.5% |
| Financials | 9.8% | 12.4% |
| Consumer Discretionary | 9.4% | 9.9% |
| Health Care | 6.8% | 9.5% |
| Other Sectors | 9.4% | 24.9% |
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 |
|---|---|---|---|---|---|---|---|
| IVW | +4.4% | +15.5% | +25.3% | +26.7% | +14.0% | +17.7% | 0.35% |
| VOO | +3.4% | +14.0% | +23.7% | +21.3% | +13.4% | +15.4% | 1.03% |
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 IVW vs VOO →
Shared Holdings(143)
The top 10 shared positions account for 57% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 14.62% | 7.58% | 7.58% |
|---|---|---|---|
 AAPLApple Inc. COM | 6.43% | 6.66% | 6.43% |
 MSFTMicrosoft Corp. COM | 9.48% | 4.91% | 4.91% |
 AMZNAmazon.com, Inc. COM | 3.72% | 3.64% | 3.64% |
 GOOGLAlphabet Inc. CAP STK CL A | 5.78% | 2.99% | 2.99% |
 AVGOBroadcom Inc COM | 5.06% | 2.62% | 2.62% |
 GOOGAlphabet Inc. CAP STK CL C | 4.63% | 2.40% | 2.40% |
 METAMeta Platforms, Inc., Class A | 4.32% | 2.24% | 2.24% |
 TSLATesla Inc COM | 2.24% | 1.87% | 1.87% |
 BRK-BBerkshire Hathaway, Inc., Class B | 3.03% | 1.57% | 1.57% |
 JPMJPMorgan Chase & Co. COM | 1.86% | 1.34% | 1.34% |
 LLYEli Lilly & Co. COM | 2.51% | 1.30% | 1.30% |
 JNJJohnson & Johnson COM | 1.20% | 1.05% | 1.05% |
 VVisa, Inc., Class A | 0.96% | 0.89% | 0.89% |
 MAMasterCard Incorporated CL A | 0.94% | 0.73% | 0.73% |
 NFLXNetflix, Inc. COM | 1.40% | 0.73% | 0.73% |
 MUMicron Technology Inc. COM | 1.31% | 0.68% | 0.68% |
 ABBVAbbVie Inc. COM | 0.61% | 0.69% | 0.61% |
 PLTRPalantir Technologies, Inc., Class A | 1.15% | 0.60% | 0.60% |
 AMDAdvanced Micro Devices Inc. COM | 1.14% | 0.59% | 0.59% |
 CATCaterpillar Inc COM | 1.14% | 0.59% | 0.59% |
 CSCOCisco Systems, Inc. COM | 0.56% | 0.55% | 0.55% |
 GEGE Aerospace COM NEW | 0.53% | 0.53% | 0.53% |
 AMATApplied Materials Inc. COM | 0.94% | 0.48% | 0.48% |
 LRCXLam Research Corporation COM NEW | 0.92% | 0.48% | 0.48% |
Frequently Asked Questions
How much do IVW and VOO overlap?
IVW and VOO overlap by 63.8% of portfolio weight. They share 143 holdings (IVW holds 143 positions and VOO holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IVW and VOO?
The two portfolios are 63.8% identical by weight. Owning both mostly doubles down on the shared core rather than diversifying: the same large positions drive both funds.
What are the biggest shared holdings of IVW and VOO?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 57% of the total overlap.
What does IVW own that VOO doesn't?
Nothing. Every position in IVW is also held by VOO. In the other direction, 361 positions (35.3% of VOO) are unique to VOO.