VGIT vs VTIAX: 0% overlap
Vanguard Intermediate-Term Treasury ETF and Vanguard Total International Stock Index Admiral share 0.2% 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
VGIT and VTIAX hold 1 of the same securities. The ten contributing most to the overlap figure:
| Holding | in VGIT | in VTIAX | Δ |
|---|---|---|---|
| CASH | 0.2% | 2.4% | 2.2% |
Where VGIT and VTIAX 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 | VGIT | VTIAX | Δ |
|---|---|---|---|
| Treasuries | 99.8% | 0.0% | +99.8pp |
| Information Technology | 0.0% | 20.9% | −20.9pp |
| Financials | 0.0% | 19.7% | −19.7pp |
| Industrials | 0.0% | 13.8% | −13.8pp |
| Unclassified | 0.0% | 9.1% | −9.1pp |
| Consumer Discretionary | 0.0% | 7.5% | −7.5pp |
| Health Care | 0.0% | 5.3% | −5.3pp |
| Materials | 0.0% | 5.2% | −5.2pp |
Δ is VGIT minus VTIAX, 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
99.8% of VGIT by weight, held in no part of VTIAX.
97.6% of VTIAX by weight, held in no part of VGIT.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| VGIT | VTIAX | |
|---|---|---|
| Top 10 holdings | 100.0% | 16.3% |
| Positions held | 2 | 8,453 |
| Cost per $10,000 held, per year | $3 | $9 |
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 VGIT and VTIAX overlap?
VGIT and VTIAX overlap 0.2% by portfolio weight — largely distinct portfolios. They share 1 holdings. The figure comes from current issuer holdings files (VGIT as of 2026-06-30, VTIAX as of 2026-06-30).
How is the overlap between VGIT and VTIAX calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If VGIT holds a stock at 6% and VTIAX 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 VGIT and VTIAX?
That depends on your goals — we state facts, not advice. At 0.2% overlap, each fund still contributes meaningfully distinct exposure.
What does VGIT own that VTIAX doesn't?
VGIT holds 2 positions and VTIAX holds 8,453; 1 of VGIT's positions don't appear in VTIAX at all, and they are 99.8% of VGIT by weight.
You probably hold more than two funds
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Related comparisons
Sources: issuer holdings files, VGIT as of 2026-06-30, VTIAX as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.