IWF vs VYM: 14% overlap
iShares Russell 1000 Growth ETF and Vanguard High Dividend Yield ETF share 13.7% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.
You would hold two tickers and get the diversification of 1.9. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
IWF and VYM hold 80 of the same securities. The ten contributing most to the overlap figure:
| Holding | in IWF | in VYM | Δ |
|---|---|---|---|
| AVGO | 5.7% | 7.3% | 1.6% |
| CAT | 1.3% | 2.0% | 0.7% |
| TXN | 0.8% | 1.1% | 0.3% |
| HD | 0.7% | 1.5% | 0.7% |
| ORCL | 0.6% | 1.0% | 0.4% |
| AMGN | 0.4% | 0.7% | 0.3% |
| LMT | 0.4% | 0.4% | 0.1% |
| BX | 0.2% | 0.4% | 0.1% |
| SBUX | 0.2% | 0.5% | 0.3% |
| TRGP | 0.2% | 0.2% | 0.0% |
Where IWF and VYM differ
Sector weights as a share of each fund, ordered by the size of the gap rather than the size of the sector — two funds that overlap heavily still usually diverge somewhere.
| Sector | IWF | VYM | Δ |
|---|---|---|---|
| Information Technology | 55.0% | 16.7% | +38.2pp |
| Financials | 4.7% | 20.9% | −16.2pp |
| Communication Services | 15.7% | 3.1% | +12.7pp |
| Energy | 0.5% | 8.5% | −8.0pp |
| Health Care | 5.6% | 13.1% | −7.5pp |
| Consumer Staples | 1.3% | 8.0% | −6.7pp |
| Utilities | 0.3% | 5.7% | −5.4pp |
| Industrials | 8.5% | 13.2% | −4.7pp |
Δ is IWF minus VYM, in percentage points. Sector data is not published by every issuer, so “Unclassified” is a real category rather than a gap in the table.
What each fund holds alone
86.3% of IWF by weight, held in no part of VYM.
66.6% of VYM by weight, held in no part of IWF.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| IWF | VYM | |
|---|---|---|
| Top 10 holdings | 56.1% | 26.0% |
| Positions held | 370 | 606 |
| Cost per $10,000 held, per year | $19 | $4 |
Cost is the expense ratio applied to $10,000; it excludes any brokerage commission, bid-ask spread or tax consequence. Figures are facts about the funds, not a suggestion about which to hold.
Frequently asked
How much do IWF and VYM overlap?
IWF and VYM overlap 13.7% by portfolio weight — largely distinct portfolios. They share 80 holdings. The figure comes from current issuer holdings files (IWF as of 2026-07-23, VYM as of 2026-06-30).
How is the overlap between IWF and VYM calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If IWF holds a stock at 6% and VYM holds the same stock at 4%, 4% counts as shared. The result is bounded between 0% and 100%, and it is computed after looking through any fund-of-funds to the underlying holdings.
Is it redundant to hold both IWF and VYM?
That depends on your goals — we state facts, not advice. At 13.7% overlap, each fund still contributes meaningfully distinct exposure.
What does IWF own that VYM doesn't?
IWF holds 370 positions and VYM holds 606; 289 of IWF's positions don't appear in VYM at all, and they are 86.3% of IWF by weight.
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Related comparisons
Sources: issuer holdings files, IWF as of 2026-07-23, VYM as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.