IWF vs IWY: Holdings Overlap
IWFiShares Russell 1000 Growth ETF
iShares · 387 holdings · $127.3B · as of 2026-03-31
IWYiShares Russell Top 200 Growth ETF
iShares · 110 holdings · $16.6B · as of 2026-03-31
How similar are IWF and IWY?
iShares Russell 1000 Growth ETF (IWF, by iShares) holds 387 positions; iShares Russell Top 200 Growth ETF (IWY, by iShares) holds 110. They have 110 holdings in common, and by portfolio weight the two funds are 89.1% identical. In practical terms the pair is essentially interchangeable, so holding both adds little diversification.
- Overlap by Weight
- 89.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 110IWF holds 387 · IWY holds 110
- Weight in Shared Holdings
- IWF 90%·IWY 100%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 IWF
277 of 387 positions (10.0% of the fund) are not held by IWY. Showing the top 30 by weight.
Only in IWY
Every position in IWY is also held by IWF, so it brings nothing the other fund doesn’t already own.
Sector Breakdown
| Sector | IWF | IWY |
|---|---|---|
| Information Technology | 49.2% | 53.1% |
| Consumer Discretionary | 13.1% | 11.3% |
| Communication Services | 12.4% | 13.0% |
| Health Care | 8.0% | 7.5% |
| Industrials | 6.7% | 5.0% |
| Other Sectors | 10.4% | 10.0% |
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 |
|---|---|---|---|---|---|---|---|
| IWF | +2.7% | +5.5% | +13.1% | +22.0% | +12.6% | +17.8% | 0.35% |
| IWY | +2.5% | +5.3% | +13.9% | +22.5% | +13.7% | +18.8% | 0.34% |
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 IWF vs IWY →
Shared Holdings(110)
The top 10 shared positions account for 65% of the overlap, led by NVDA, AAPL and MSFT.
12.92% | 14.62% | 12.92% | |
11.64% | 13.13% | 11.64% | |
8.82% | 9.91% | 8.82% | |
4.66% | 4.46% | 4.46% | |
4.79% | 4.31% | 4.31% | |
3.54% | 3.93% | 3.54% | |
3.55% | 3.52% | 3.52% | |
3.46% | 3.42% | 3.42% | |
2.87% | 3.20% | 2.87% | |
2.66% | 2.88% | 2.66% | |
1.84% | 2.16% | 1.84% | |
1.60% | 1.88% | 1.60% | |
1.47% | 1.73% | 1.47% | |
1.45% | 1.71% | 1.45% | |
1.39% | 1.64% | 1.39% | |
1.15% | 1.36% | 1.15% | |
1.06% | 1.25% | 1.06% | |
0.97% | 1.14% | 0.97% | |
0.90% | 1.06% | 0.90% | |
0.89% | 1.05% | 0.89% | |
0.85% | 1.00% | 0.85% | |
0.70% | 0.82% | 0.70% | |
0.69% | 0.81% | 0.69% | |
0.59% | 0.69% | 0.59% | |
0.56% | 0.66% | 0.56% |
Frequently Asked Questions
How much do IWF and IWY overlap?
IWF and IWY overlap by 89.1% of portfolio weight. They share 110 holdings (IWF holds 387 positions and IWY holds 110), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWF and IWY?
The two portfolios are 89.1% 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 IWF and IWY?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and AVGO. Together the top 10 shared positions account for 65% of the total overlap.
What does IWF own that IWY doesn't?
277 positions (10.0% of IWF) are unique to IWF, led by VRT, HWM and RCL. In the other direction, 0 positions (0.0% of IWY) are unique to IWY.