FTIHX vs VBIAX: 2% overlap
Fidelity Total International Index and Vanguard Balanced Index Admiral share 1.8% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.
Different holding dates. These holdings were published 30 days apart — VBIAX as of 2026-03-31, the rest through 2026-04-30. 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
FTIHX and VBIAX hold 3 of the same securities. The ten contributing most to the overlap figure:
| Holding | in FTIHX | in VBIAX | Δ |
|---|---|---|---|
| CASH | 2.7% | 1.8% | 1.0% |
| UST | 0.1% | 19.1% | 19.1% |
| UUUU | 0.0% | 0.0% | 0.0% |
Where FTIHX and VBIAX 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 | FTIHX | VBIAX | Δ |
|---|---|---|---|
| Unclassified | 94.6% | 55.1% | +39.5pp |
| Treasuries | 0.1% | 19.1% | −19.1pp |
| MBS Pass-Through | 0.0% | 8.1% | −8.1pp |
| Corporate — industrial & other | 0.0% | 5.8% | −5.8pp |
| Financials | 1.3% | 3.6% | −2.3pp |
| Health Care | 0.0% | 1.2% | −1.2pp |
| Utilities | 0.1% | 1.2% | −1.1pp |
| Cash and/or Derivatives | 2.7% | 1.8% | +1.0pp |
Δ is FTIHX minus VBIAX, 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 FTIHX by weight, held in no part of VBIAX.
79.9% of VBIAX by weight, held in no part of FTIHX.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| FTIHX | VBIAX | |
|---|---|---|
| Top 10 holdings | 14.4% | 45.2% |
| Positions held | 5,057 | 5,119 |
| Cost per $10,000 held, per year | $6 | $7 |
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 FTIHX and VBIAX overlap?
FTIHX and VBIAX overlap 1.8% by portfolio weight — largely distinct portfolios. They share 3 holdings. The figure comes from current issuer holdings files (FTIHX as of 2026-04-30, VBIAX as of 2026-03-31).
How is the overlap between FTIHX and VBIAX calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If FTIHX holds a stock at 6% and VBIAX 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 FTIHX and VBIAX?
That depends on your goals — we state facts, not advice. At 1.8% overlap, each fund still contributes meaningfully distinct exposure.
What does FTIHX own that VBIAX doesn't?
FTIHX holds 5,057 positions and VBIAX holds 5,119; 5,053 of FTIHX's positions don't appear in VBIAX at all, and they are 97.6% of FTIHX by weight.
You probably hold more than two funds
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Related comparisons
Sources: issuer holdings files, FTIHX as of 2026-04-30, VBIAX as of 2026-03-31. Weights are fractions of each fund. Diagnostics, not advice.