VOO vs VXUS: 1% overlap
Vanguard S&P 500 ETF and Vanguard Total International Stock ETF share 0.8% 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
VOO and VXUS hold 58 of the same securities. The ten contributing most to the overlap figure:
| Holding | in VOO | in VXUS | Δ |
|---|---|---|---|
| PRU | 0.1% | 0.1% | 0.0% |
| ROP | 0.1% | 0.7% | 0.6% |
| CASH | 0.1% | 2.2% | 2.2% |
| ALL | 0.1% | 0.0% | 0.0% |
| MRK | 0.5% | 0.0% | 0.5% |
| HBAN | 0.0% | 0.0% | 0.0% |
| DG | 0.0% | 0.1% | 0.1% |
| DTE | 0.0% | 0.2% | 0.2% |
| PPL | 0.0% | 0.1% | 0.0% |
| EL | 0.0% | 0.1% | 0.1% |
Where VOO and VXUS 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 | VOO | VXUS | Δ |
|---|---|---|---|
| Information Technology | 39.7% | 19.7% | +20.1pp |
| Financials | 11.3% | 20.7% | −9.3pp |
| Unclassified | 0.0% | 9.1% | −9.1pp |
| Communication Services | 9.8% | 3.3% | +6.5pp |
| Industrials | 8.2% | 13.9% | −5.7pp |
| Health Care | 9.3% | 5.3% | +4.0pp |
| Materials | 1.7% | 5.3% | −3.6pp |
| Cash and/or Derivatives | 0.1% | 2.3% | −2.2pp |
Δ is VOO minus VXUS, 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
95.2% of VOO by weight, held in no part of VXUS.
95.9% of VXUS by weight, held in no part of VOO.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| VOO | VXUS | |
|---|---|---|
| Top 10 holdings | 39.1% | 15.2% |
| Positions held | 504 | 8,589 |
| Cost per $10,000 held, per year | $3 | $5 |
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 VOO and VXUS overlap?
VOO and VXUS overlap 0.8% by portfolio weight — largely distinct portfolios. They share 58 holdings. The figure comes from current issuer holdings files (VOO as of 2026-09-30, VXUS as of 2026-09-30).
How is the overlap between VOO and VXUS calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If VOO holds a stock at 6% and VXUS 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 VOO and VXUS?
That depends on your goals — we state facts, not advice. At 0.8% overlap, each fund still contributes meaningfully distinct exposure.
What does VOO own that VXUS doesn't?
VOO holds 504 positions and VXUS holds 8,589; 446 of VOO's positions don't appear in VXUS at all, and they are 95.2% of VOO by weight.
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Related comparisons
Sources: issuer holdings files, VOO as of 2026-09-30, VXUS as of 2026-09-30. Weights are fractions of each fund. Diagnostics, not advice.