IJH vs VTIAX: 1% overlap
iShares Core S&P Mid-Cap ETF and Vanguard Total International Stock Index Admiral share 1.4% 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
IJH and VTIAX hold 47 of the same securities. The ten contributing most to the overlap figure:
| Holding | in IJH | in VTIAX | Δ |
|---|---|---|---|
| CFR | 0.3% | 0.3% | 0.0% |
| ALV | 0.2% | 0.4% | 0.2% |
| AAL | 0.3% | 0.1% | 0.1% |
| G | 0.1% | 0.1% | 0.0% |
| CASH | 0.1% | 2.4% | 2.3% |
| ORA | 0.2% | 0.1% | 0.1% |
| CSL | 0.4% | 0.1% | 0.3% |
| NXT | 0.4% | 0.1% | 0.4% |
| MTN | 0.1% | 0.1% | 0.1% |
| RBA | 0.6% | 0.0% | 0.5% |
Where IJH 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 | IJH | VTIAX | Δ |
|---|---|---|---|
| Industrials | 25.5% | 13.8% | +11.7pp |
| Unclassified | 0.0% | 9.1% | −9.1pp |
| Information Technology | 13.9% | 20.9% | −7.0pp |
| Real Estate | 6.9% | 1.9% | +5.0pp |
| Health Care | 10.0% | 5.3% | +4.7pp |
| Financials | 15.1% | 19.7% | −4.6pp |
| Consumer Discretionary | 10.3% | 7.5% | +2.8pp |
| Cash and/or Derivatives | 0.1% | 2.5% | −2.4pp |
Δ is IJH 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
90.8% of IJH by weight, held in no part of VTIAX.
96.1% of VTIAX by weight, held in no part of IJH.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| IJH | VTIAX | |
|---|---|---|
| Top 10 holdings | 7.6% | 16.3% |
| Positions held | 404 | 8,453 |
| Cost per $10,000 held, per year | $5 | $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 IJH and VTIAX overlap?
IJH and VTIAX overlap 1.4% by portfolio weight — largely distinct portfolios. They share 47 holdings. The figure comes from current issuer holdings files (IJH as of 2026-07-23, VTIAX as of 2026-06-30).
How is the overlap between IJH and VTIAX calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If IJH 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 IJH and VTIAX?
That depends on your goals — we state facts, not advice. At 1.4% overlap, each fund still contributes meaningfully distinct exposure.
What does IJH own that VTIAX doesn't?
IJH holds 404 positions and VTIAX holds 8,453; 356 of IJH's positions don't appear in VTIAX at all, and they are 90.8% of IJH by weight.
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Related comparisons
Sources: issuer holdings files, IJH as of 2026-07-23, VTIAX as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.