IWY vs VOO: Holdings Overlap
IWYiShares Russell Top 200 Growth ETF
iShares · 110 holdings · $16.6B · as of 2026-03-31
Vanguard · 504 holdings · $1.03T · as of 2026-03-31
How similar are IWY and VOO?
iShares Russell Top 200 Growth ETF (IWY, by iShares) holds 110 positions; Vanguard 500 Index Fund (VOO, by Vanguard) holds 504. They have 103 holdings in common, and by portfolio weight the two funds are 54.6% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 54.6%Sum of the smaller weight of each shared holding
- Shared Holdings
- 103IWY holds 110 · VOO holds 504
- Weight in Shared Holdings
- IWY 99%·VOO 60%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 IWY
7 of 110 positions (0.8% of the fund) are not held by VOO.
Sector Breakdown
| Sector | IWY | VOO |
|---|---|---|
| Information Technology | 53.1% | 32.7% |
| Communication Services | 13.0% | 10.5% |
| Financials | 5.9% | 12.4% |
| Consumer Discretionary | 11.3% | 9.9% |
| Health Care | 7.5% | 9.5% |
| Other Sectors | 9.0% | 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 |
|---|---|---|---|---|---|---|---|
| IWY | +2.5% | +5.3% | +13.9% | +22.5% | +13.7% | +18.8% | 0.34% |
| 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 IWY vs VOO →
Shared Holdings(103)
The top 10 shared positions account for 66% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 14.62% | 7.58% | 7.58% |
|---|---|---|---|
 AAPLApple Inc. COM | 13.13% | 6.66% | 6.66% |
 MSFTMicrosoft Corp. COM | 9.91% | 4.91% | 4.91% |
 AMZNAmazon.com, Inc. COM | 4.46% | 3.64% | 3.64% |
 GOOGLAlphabet Inc. CAP STK CL A | 3.93% | 2.99% | 2.99% |
 AVGOBroadcom Inc COM | 4.31% | 2.62% | 2.62% |
 GOOGAlphabet Inc. CAP STK CL C | 3.20% | 2.40% | 2.40% |
 METAMeta Platforms, Inc., Class A | 3.42% | 2.24% | 2.24% |
 TSLATesla Inc COM | 3.52% | 1.87% | 1.87% |
 LLYEli Lilly & Co. COM | 2.88% | 1.30% | 1.30% |
 VVisa, Inc., Class A | 2.16% | 0.89% | 0.89% |
 COSTCostco Wholesale Corporation COM | 1.88% | 0.79% | 0.79% |
 MAMasterCard Incorporated CL A | 1.71% | 0.73% | 0.73% |
 NFLXNetflix, Inc. COM | 1.73% | 0.73% | 0.73% |
 ABBVAbbVie Inc. COM | 1.64% | 0.69% | 0.69% |
 PLTRPalantir Technologies, Inc., Class A | 1.36% | 0.60% | 0.60% |
 AMDAdvanced Micro Devices Inc. COM | 0.81% | 0.59% | 0.59% |
 HDHome Depot, Inc. (The) | 1.06% | 0.59% | 0.59% |
 GEGE Aerospace COM NEW | 1.25% | 0.53% | 0.53% |
 KOCoca-Cola Co (The) COM | 0.61% | 0.53% | 0.53% |
 LRCXLam Research Corporation COM NEW | 1.14% | 0.48% | 0.48% |
 ORCLOracle Corp. COM | 1.05% | 0.45% | 0.45% |
 GEVGE Vernova Inc. COM | 1.00% | 0.42% | 0.42% |
 KLACKLA Corp. COM NEW | 0.82% | 0.35% | 0.35% |
 AMGNAmgen Inc. COM | 0.59% | 0.34% | 0.34% |
Frequently Asked Questions
How much do IWY and VOO overlap?
IWY and VOO overlap by 54.6% of portfolio weight. They share 103 holdings (IWY holds 110 positions and VOO holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWY and VOO?
The two portfolios are 54.6% 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 IWY and VOO?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 66% of the total overlap.
What does IWY own that VOO doesn't?
7 positions (0.8% of IWY) are unique to IWY, led by SPOT, SNOW and NU. In the other direction, 401 positions (39.3% of VOO) are unique to VOO.