VTIAX vs XLRE: 0% overlap
Vanguard Total International Stock Index Admiral and Real Estate Select Sector SPDR Fund share 0.0% 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
VTIAX and XLRE hold 5 of the same securities. The ten contributing most to the overlap figure:
| Holding | in VTIAX | in XLRE | Δ |
|---|---|---|---|
| CASH | 2.4% | 0.0% | 2.4% |
| ARE | 0.0% | 0.8% | 0.8% |
| DOC | 0.0% | 1.5% | 1.5% |
| SPG | 0.0% | 4.9% | 4.9% |
| REG | 0.0% | 1.4% | 1.4% |
Where VTIAX and XLRE 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 | VTIAX | XLRE | Δ |
|---|---|---|---|
| Real Estate | 1.9% | 99.9% | −98.0pp |
| Information Technology | 20.9% | 0.0% | +20.9pp |
| Financials | 19.7% | 0.0% | +19.7pp |
| Industrials | 13.8% | 0.0% | +13.8pp |
| Unclassified | 9.1% | 0.0% | +9.1pp |
| Consumer Discretionary | 7.5% | 0.0% | +7.5pp |
| Health Care | 5.3% | 0.0% | +5.3pp |
| Materials | 5.2% | 0.0% | +5.2pp |
Δ is VTIAX minus XLRE, 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
97.6% of VTIAX by weight, held in no part of XLRE.
91.3% of XLRE by weight, held in no part of VTIAX.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| VTIAX | XLRE | |
|---|---|---|
| Top 10 holdings | 16.3% | 60.6% |
| Positions held | 8,453 | 34 |
| Cost per $10,000 held, per year | $9 | $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 VTIAX and XLRE overlap?
VTIAX and XLRE overlap 0.0% by portfolio weight — largely distinct portfolios. They share 5 holdings. The figure comes from current issuer holdings files (VTIAX as of 2026-06-30, XLRE as of 2026-07-23).
How is the overlap between VTIAX and XLRE calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If VTIAX holds a stock at 6% and XLRE 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 VTIAX and XLRE?
That depends on your goals — we state facts, not advice. At 0.0% overlap, each fund still contributes meaningfully distinct exposure.
What does VTIAX own that XLRE doesn't?
VTIAX holds 8,453 positions and XLRE holds 34; 8,448 of VTIAX's positions don't appear in XLRE at all, and they are 97.6% of VTIAX by weight.
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Related comparisons
Sources: issuer holdings files, VTIAX as of 2026-06-30, XLRE as of 2026-07-23. Weights are fractions of each fund. Diagnostics, not advice.