IVV vs VXUS: 1% overlap
iShares Core S&P 500 ETF and Vanguard Total International Stock ETF share 1.0% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.
Different holding dates. These holdings were published 35 days apart — VXUS as of 2026-07-31, the rest through 2026-09-04. Each fund is compared using its most recent file, so any trading in between shows up as a difference.
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
IVV and VXUS hold 60 of the same securities. The ten contributing most to the overlap figure:
| Holding | in IVV | in VXUS | Δ |
|---|---|---|---|
| CASH | 0.2% | 2.5% | 2.3% |
| PRU | 0.1% | 0.1% | 0.0% |
| ROP | 0.1% | 0.7% | 0.6% |
| ALL | 0.1% | 0.1% | 0.0% |
| MRK | 0.6% | 0.0% | 0.5% |
| HBAN | 0.1% | 0.0% | 0.0% |
| DG | 0.0% | 0.2% | 0.1% |
| DTE | 0.0% | 0.2% | 0.2% |
| EQT | 0.1% | 0.0% | 0.0% |
| PPL | 0.0% | 0.1% | 0.0% |
Where IVV 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 | IVV | VXUS | Δ |
|---|---|---|---|
| Information Technology | 37.9% | 17.6% | +20.3pp |
| Unclassified | 0.0% | 9.0% | −9.0pp |
| Financials | 12.3% | 21.2% | −8.9pp |
| Communication Services | 9.5% | 3.4% | +6.1pp |
| Industrials | 8.3% | 14.0% | −5.7pp |
| Health Care | 9.3% | 5.3% | +3.9pp |
| Materials | 1.8% | 5.3% | −3.5pp |
| Cash and/or Derivatives | 0.2% | 2.5% | −2.3pp |
Δ is IVV 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
94.6% of IVV by weight, held in no part of VXUS.
95.5% of VXUS by weight, held in no part of IVV.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| IVV | VXUS | |
|---|---|---|
| Top 10 holdings | 38.0% | 14.8% |
| Positions held | 506 | 8,468 |
| 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 IVV and VXUS overlap?
IVV and VXUS overlap 1.0% by portfolio weight — largely distinct portfolios. They share 60 holdings. The figure comes from current issuer holdings files (IVV as of 2026-09-04, VXUS as of 2026-07-31).
How is the overlap between IVV and VXUS calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If IVV 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 IVV and VXUS?
That depends on your goals — we state facts, not advice. At 1.0% overlap, each fund still contributes meaningfully distinct exposure.
What does IVV own that VXUS doesn't?
IVV holds 506 positions and VXUS holds 8,468; 445 of IVV's positions don't appear in VXUS at all, and they are 94.6% of IVV by weight.
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Related comparisons
Sources: issuer holdings files, IVV as of 2026-09-04, VXUS as of 2026-07-31. Weights are fractions of each fund. Diagnostics, not advice.