SOXX vs VIG: 12% overlap
iShares Semiconductor ETF and Vanguard Dividend Appreciation ETF share 11.8% 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 1.9. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
SOXX and VIG hold 8 of the same securities. The ten contributing most to the overlap figure:
| Holding | in SOXX | in VIG | Δ |
|---|---|---|---|
| AVGO | 7.3% | 4.5% | 2.8% |
| LRCX | 4.2% | 2.4% | 1.8% |
| KLAC | 4.8% | 1.7% | 3.0% |
| TXN | 3.9% | 1.2% | 2.7% |
| QCOM | 2.8% | 0.8% | 2.0% |
| ADI | 3.8% | 0.8% | 3.0% |
| MCHP | 2.2% | 0.2% | 2.0% |
| CASH | 0.1% | 0.6% | 0.5% |
Where SOXX and VIG 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 | SOXX | VIG | Δ |
|---|---|---|---|
| Information Technology | 99.9% | 26.3% | +73.6pp |
| Financials | 0.0% | 20.2% | −20.2pp |
| Health Care | 0.0% | 17.7% | −17.7pp |
| Industrials | 0.0% | 12.2% | −12.2pp |
| Consumer Staples | 0.0% | 9.3% | −9.3pp |
| Consumer Discretionary | 0.0% | 4.3% | −4.3pp |
| Materials | 0.0% | 3.4% | −3.4pp |
| Utilities | 0.0% | 3.0% | −3.0pp |
Δ is SOXX minus VIG, 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
70.8% of SOXX by weight, held in no part of VIG.
87.7% of VIG by weight, held in no part of SOXX.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| SOXX | VIG | |
|---|---|---|
| Top 10 holdings | 60.9% | 31.9% |
| Positions held | 32 | 333 |
| Cost per $10,000 held, per year | $34 | $4 |
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 SOXX and VIG overlap?
SOXX and VIG overlap 11.8% by portfolio weight — largely distinct portfolios. They share 8 holdings. The figure comes from current issuer holdings files (SOXX as of 2026-07-23, VIG as of 2026-06-30).
How is the overlap between SOXX and VIG calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If SOXX holds a stock at 6% and VIG 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 SOXX and VIG?
That depends on your goals — we state facts, not advice. At 11.8% overlap, each fund still contributes meaningfully distinct exposure.
What does SOXX own that VIG doesn't?
SOXX holds 32 positions and VIG holds 333; 23 of SOXX's positions don't appear in VIG at all, and they are 70.8% of SOXX by weight.
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Related comparisons
Sources: issuer holdings files, SOXX as of 2026-07-23, VIG as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.