IVW vs IWD: 31% overlap
iShares S&P 500 Growth ETF and iShares Russell 1000 Value ETF share 31.1% 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 1.7. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
IVW and IWD hold 85 of the same securities. The ten contributing most to the overlap figure:
| Holding | in IVW | in IWD | Δ |
|---|---|---|---|
| AAPL | 6.9% | 5.9% | 1.0% |
| MSFT | 8.2% | 3.9% | 4.3% |
| AMZN | 3.5% | 5.7% | 2.2% |
| BRK-B | 2.6% | 2.5% | 0.1% |
| JPM | 1.8% | 2.6% | 0.7% |
| JNJ | 1.1% | 1.7% | 0.7% |
| RTX | 0.8% | 0.8% | 0.0% |
| CSCO | 0.7% | 1.2% | 0.5% |
| META | 3.9% | 0.7% | 3.2% |
| ABBV | 0.6% | 1.2% | 0.6% |
Where IVW and IWD 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 | IVW | IWD | Δ |
|---|---|---|---|
| Information Technology | 52.5% | 18.0% | +34.5pp |
| Communication Services | 14.7% | 3.3% | +11.4pp |
| Financials | 9.2% | 19.6% | −10.4pp |
| Health Care | 6.3% | 12.7% | −6.4pp |
| Consumer Staples | 1.2% | 7.4% | −6.2pp |
| Energy | 0.0% | 6.1% | −6.1pp |
| Industrials | 6.6% | 11.3% | −4.6pp |
| Utilities | 0.4% | 3.9% | −3.5pp |
Δ is IVW minus IWD, 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
58.6% of IVW by weight, held in no part of IWD.
60.4% of IWD by weight, held in no part of IVW.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| IVW | IWD | |
|---|---|---|
| Top 10 holdings | 58.2% | 27.8% |
| Positions held | 149 | 872 |
| Cost per $10,000 held, per year | $18 | $19 |
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 IVW and IWD overlap?
IVW and IWD overlap 31.1% by portfolio weight — moderate overlap. They share 85 holdings. The figure comes from current issuer holdings files (IVW as of 2026-07-23, IWD as of 2026-07-23).
How is the overlap between IVW and IWD calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If IVW holds a stock at 6% and IWD 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 IVW and IWD?
That depends on your goals — we state facts, not advice. At 31.1% overlap, each fund still contributes meaningfully distinct exposure.
What does IVW own that IWD doesn't?
IVW holds 149 positions and IWD holds 872; 63 of IVW's positions don't appear in IWD at all, and they are 58.6% of IVW by weight.
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Related comparisons
Sources: issuer holdings files, IVW as of 2026-07-23, IWD as of 2026-07-23. Weights are fractions of each fund. Diagnostics, not advice.