VSMAX vs XLI: 4% overlap
Vanguard Small-Cap Index Admiral and Industrial Select Sector SPDR Fund share 3.9% 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 2.0. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
VSMAX and XLI hold 22 of the same securities. The ten contributing most to the overlap figure:
| Holding | in VSMAX | in XLI | Δ |
|---|---|---|---|
| EME | 0.4% | 0.6% | 0.2% |
| JBHT | 0.3% | 0.4% | 0.1% |
| CHRW | 0.3% | 0.4% | 0.2% |
| LII | 0.2% | 0.3% | 0.1% |
| GNRC | 0.2% | 0.2% | 0.0% |
| IEX | 0.2% | 0.3% | 0.1% |
| MAS | 0.2% | 0.3% | 0.1% |
| FDXF | 0.2% | 0.3% | 0.1% |
| NDSN | 0.2% | 0.3% | 0.1% |
| TXT | 0.2% | 0.3% | 0.1% |
Where VSMAX 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 | VSMAX | XLI | Δ |
|---|---|---|---|
| Industrials | 21.0% | 99.9% | −78.9pp |
| Information Technology | 16.1% | 0.0% | +16.1pp |
| Financials | 12.7% | 0.0% | +12.7pp |
| Health Care | 11.9% | 0.0% | +11.9pp |
| Consumer Discretionary | 9.9% | 0.0% | +9.9pp |
| Real Estate | 7.1% | 0.0% | +7.1pp |
| Materials | 5.3% | 0.0% | +5.3pp |
| Energy | 3.7% | 0.0% | +3.7pp |
Δ is VSMAX 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
94.4% of VSMAX by weight, held in no part of XLI.
93.9% of XLI by weight, held in no part of VSMAX.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| VSMAX | XLI | |
|---|---|---|
| Top 10 holdings | 5.6% | 40.0% |
| Positions held | 1,308 | 83 |
| Cost per $10,000 held, per year | $5 | $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 VSMAX and XLI overlap?
VSMAX and XLI overlap 3.9% by portfolio weight — largely distinct portfolios. They share 22 holdings. The figure comes from current issuer holdings files (VSMAX as of 2026-06-30, XLI as of 2026-07-23).
How is the overlap between VSMAX and XLI calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If VSMAX 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 VSMAX and XLI?
That depends on your goals — we state facts, not advice. At 3.9% overlap, each fund still contributes meaningfully distinct exposure.
What does VSMAX own that XLI doesn't?
VSMAX holds 1,308 positions and XLI holds 83; 1,286 of VSMAX's positions don't appear in XLI at all, and they are 94.4% of VSMAX by weight.
You probably hold more than two funds
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Related comparisons
Sources: issuer holdings files, VSMAX as of 2026-06-30, XLI as of 2026-07-23. Weights are fractions of each fund. Diagnostics, not advice.