IWY vs VOOG: Holdings Overlap
IWYiShares Russell Top 200 Growth ETF
iShares · 110 holdings · $16.6B · as of 2026-03-31
VOOGVanguard S&P 500 Growth Index Fund
Vanguard · 146 holdings · $27.2B · as of 2026-05-31
Holdings snapshots are 61 days apart (IWY: 2026-03-31, VOOG: 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 IWY and VOOG?
iShares Russell Top 200 Growth ETF (IWY, by iShares) holds 110 positions; Vanguard S&P 500 Growth Index Fund (VOOG, by Vanguard) holds 146. They have 61 holdings in common, and by portfolio weight the two funds are 69.5% identical. In practical terms the pair is heavily overlapping, with largely the same stocks driving both funds.
- Overlap by Weight
- 69.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 61IWY holds 110 · VOOG holds 146
- Weight in Shared Holdings
- IWY 90%·VOOG 80%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
49 of 110 positions (10.3% of the fund) are not held by VOOG. Showing the top 30 by weight.
Only in VOOG
85 of 146 positions (19.4% of the fund) are not held by IWY. Showing the top 30 by weight.
Sector Breakdown
| Sector | IWY | VOOG |
|---|---|---|
| Information Technology | 53.1% | 52.1% |
| Communication Services | 13.0% | 16.6% |
| Consumer Discretionary | 11.3% | 8.8% |
| Financials | 5.9% | 8.1% |
| Health Care | 7.5% | 5.7% |
| Other Sectors | 9.0% | 8.4% |
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% |
| VOOG | +4.5% | +15.6% | +25.4% | +26.8% | +14.1% | +17.8% | 0.44% |
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 VOOG →
Shared Holdings(61)
The top 10 shared positions account for 77% of the overlap, led by NVDA, MSFT and AAPL.
 NVDANVIDIA Corp. COM | 14.62% | 14.26% | 14.26% |
|---|---|---|---|
 MSFTMicrosoft Corp. COM | 9.91% | 9.29% | 9.29% |
 AAPLApple Inc. COM | 13.13% | 6.37% | 6.37% |
 AVGOBroadcom Inc COM | 4.31% | 5.89% | 4.31% |
 GOOGLAlphabet Inc. CAP STK CL A | 3.93% | 6.16% | 3.93% |
 AMZNAmazon.com, Inc. COM | 4.46% | 3.90% | 3.90% |
 METAMeta Platforms, Inc., Class A | 3.42% | 3.85% | 3.42% |
 GOOGAlphabet Inc. CAP STK CL C | 3.20% | 4.89% | 3.20% |
 LLYEli Lilly & Co. COM | 2.88% | 2.43% | 2.43% |
 TSLATesla Inc COM | 3.52% | 2.11% | 2.11% |
 LRCXLam Research Corporation COM NEW | 1.14% | 1.10% | 1.10% |
 NFLXNetflix, Inc. COM | 1.73% | 1.01% | 1.01% |
 PLTRPalantir Technologies, Inc., Class A | 1.36% | 0.99% | 0.99% |
 VVisa, Inc., Class A | 2.16% | 0.84% | 0.84% |
 AMDAdvanced Micro Devices Inc. COM | 0.81% | 2.34% | 0.81% |
 MAMasterCard Incorporated CL A | 1.71% | 0.75% | 0.75% |
 GEVGE Vernova Inc. COM | 1.00% | 0.73% | 0.73% |
 KLACKLA Corp. COM NEW | 0.82% | 0.70% | 0.70% |
 ORCLOracle Corp. COM | 1.05% | 0.55% | 0.55% |
 APHAmphenol Corporation CL A | 0.66% | 0.51% | 0.51% |
 ABBVAbbVie Inc. COM | 1.64% | 0.49% | 0.49% |
 GEGE Aerospace COM NEW | 1.25% | 0.49% | 0.49% |
 ANETArista Networks Inc COM SHS | 0.54% | 0.46% | 0.46% |
 ISRGIntuitive Surgical Inc. COM NEW | 0.69% | 0.42% | 0.42% |
 CRWDCrowdstrike Holdings, Inc., Class A | 0.41% | 0.51% | 0.41% |
Frequently Asked Questions
How much do IWY and VOOG overlap?
IWY and VOOG overlap by 69.5% of portfolio weight. They share 61 holdings (IWY holds 110 positions and VOOG holds 146), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWY and VOOG?
The two portfolios are 69.5% 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 IWY and VOOG?
The largest positions held by both funds are NVDA, MSFT, AAPL, AVGO and GOOGL. Together the top 10 shared positions account for 77% of the total overlap.
What does IWY own that VOOG doesn't?
49 positions (10.3% of IWY) are unique to IWY, led by COST, HD and VRTX. In the other direction, 85 positions (19.4% of VOOG) are unique to VOOG.