VBR vs VSMAX: 59% overlap
Vanguard Small-Cap Value ETF and Vanguard Small-Cap Index Admiral share 59.0% 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 1.4. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
VBR and VSMAX hold 839 of the same securities. The ten contributing most to the overlap figure:
| Holding | in VBR | in VSMAX | Δ |
|---|---|---|---|
| CASH | 0.8% | 1.7% | 0.9% |
| JBL | 0.9% | 0.5% | 0.4% |
| EME | 0.4% | 0.4% | 0.0% |
| NRG | 0.7% | 0.4% | 0.3% |
| TPR | 0.6% | 0.4% | 0.3% |
| ATO | 0.6% | 0.3% | 0.3% |
| WSM | 0.6% | 0.3% | 0.3% |
| MKSI | 0.3% | 0.4% | 0.0% |
| FLEX | 0.3% | 0.4% | 0.0% |
| MRNA | 0.5% | 0.3% | 0.2% |
Where VBR and VSMAX 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 | VBR | VSMAX | Δ |
|---|---|---|---|
| Information Technology | 9.4% | 16.1% | −6.7pp |
| Financials | 18.3% | 12.7% | +5.6pp |
| Health Care | 8.0% | 11.9% | −3.9pp |
| Real Estate | 9.8% | 7.1% | +2.7pp |
| Industrials | 18.8% | 21.0% | −2.2pp |
| Materials | 7.2% | 5.3% | +1.9pp |
| Utilities | 5.2% | 3.3% | +1.9pp |
| Consumer Discretionary | 11.4% | 9.9% | +1.4pp |
Δ is VBR minus VSMAX, 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
0.0% of VBR by weight, held in no part of VSMAX.
39.4% of VSMAX by weight, held in no part of VBR.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| VBR | VSMAX | |
|---|---|---|
| Top 10 holdings | 6.2% | 5.6% |
| Positions held | 839 | 1,308 |
| Cost per $10,000 held, per year | $5 | $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 VBR and VSMAX overlap?
VBR and VSMAX overlap 59.0% by portfolio weight — substantial duplication if you hold both. They share 839 holdings. The figure comes from current issuer holdings files (VBR as of 2026-06-30, VSMAX as of 2026-06-30).
How is the overlap between VBR and VSMAX calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If VBR holds a stock at 6% and VSMAX 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 VBR and VSMAX?
That depends on your goals — we state facts, not advice. At 59.0% overlap, each fund still contributes meaningfully distinct exposure.
What does VBR own that VSMAX doesn't?
VBR holds 839 positions and VSMAX holds 1,308; 0 of VBR's positions don't appear in VSMAX at all, and they are 0.0% of VBR by weight.
You probably hold more than two funds
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Related comparisons
Sources: issuer holdings files, VBR as of 2026-06-30, VSMAX as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.