IWD vs XLI: 9% overlap
iShares Russell 1000 Value ETF and Industrial Select Sector SPDR Fund share 9.1% 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 1.9. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
IWD and XLI hold 69 of the same securities. The ten contributing most to the overlap figure:
| Holding | in IWD | in XLI | Δ |
|---|---|---|---|
| RTX | 0.8% | 5.0% | 4.2% |
| UNP | 0.5% | 3.2% | 2.7% |
| DE | 0.4% | 2.7% | 2.3% |
| ETN | 0.4% | 2.9% | 2.5% |
| PH | 0.3% | 2.2% | 1.9% |
| UBER | 0.3% | 2.5% | 2.1% |
| CSX | 0.3% | 1.7% | 1.5% |
| GD | 0.3% | 1.7% | 1.4% |
| UPS | 0.2% | 1.5% | 1.3% |
| JCI | 0.2% | 1.5% | 1.3% |
Where IWD and XLI 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 | IWD | XLI | Δ |
|---|---|---|---|
| Industrials | 11.3% | 99.9% | −88.7pp |
| Financials | 19.6% | 0.0% | +19.6pp |
| Information Technology | 18.0% | 0.0% | +18.0pp |
| Health Care | 12.7% | 0.0% | +12.7pp |
| Consumer Discretionary | 10.2% | 0.0% | +10.2pp |
| Consumer Staples | 7.4% | 0.0% | +7.4pp |
| Energy | 6.1% | 0.0% | +6.1pp |
| Utilities | 3.9% | 0.0% | +3.9pp |
Δ is IWD minus XLI, 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
90.7% of IWD by weight, held in no part of XLI.
32.2% of XLI by weight, held in no part of IWD.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| IWD | XLI | |
|---|---|---|
| Top 10 holdings | 27.8% | 40.0% |
| Positions held | 872 | 83 |
| Cost per $10,000 held, per year | $19 | $8 |
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 IWD and XLI overlap?
IWD and XLI overlap 9.1% by portfolio weight — largely distinct portfolios. They share 69 holdings. The figure comes from current issuer holdings files (IWD as of 2026-07-23, XLI as of 2026-07-23).
How is the overlap between IWD and XLI calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If IWD holds a stock at 6% and XLI 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 IWD and XLI?
That depends on your goals — we state facts, not advice. At 9.1% overlap, each fund still contributes meaningfully distinct exposure.
What does IWD own that XLI doesn't?
IWD holds 872 positions and XLI holds 83; 802 of IWD's positions don't appear in XLI at all, and they are 90.7% of IWD by weight.
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Related comparisons
Sources: issuer holdings files, IWD as of 2026-07-23, XLI as of 2026-07-23. Weights are fractions of each fund. Diagnostics, not advice.